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-rw-r--r--arch/v850/kernel/Makefile40
-rw-r--r--arch/v850/kernel/anna-rom.ld16
-rw-r--r--arch/v850/kernel/anna.c202
-rw-r--r--arch/v850/kernel/anna.ld20
-rw-r--r--arch/v850/kernel/as85ep1-rom.ld21
-rw-r--r--arch/v850/kernel/as85ep1.c234
-rw-r--r--arch/v850/kernel/as85ep1.ld49
-rw-r--r--arch/v850/kernel/asm-offsets.c58
-rw-r--r--arch/v850/kernel/bug.c142
-rw-r--r--arch/v850/kernel/entry.S1121
-rw-r--r--arch/v850/kernel/fpga85e2c.c167
-rw-r--r--arch/v850/kernel/fpga85e2c.ld62
-rw-r--r--arch/v850/kernel/gbus_int.c271
-rw-r--r--arch/v850/kernel/head.S128
-rw-r--r--arch/v850/kernel/highres_timer.c132
-rw-r--r--arch/v850/kernel/init_task.c48
-rw-r--r--arch/v850/kernel/intv.S87
-rw-r--r--arch/v850/kernel/irq.c123
-rw-r--r--arch/v850/kernel/ma.c69
-rw-r--r--arch/v850/kernel/mach.c17
-rw-r--r--arch/v850/kernel/mach.h56
-rw-r--r--arch/v850/kernel/me2.c73
-rw-r--r--arch/v850/kernel/memcons.c135
-rw-r--r--arch/v850/kernel/module.c237
-rw-r--r--arch/v850/kernel/process.c217
-rw-r--r--arch/v850/kernel/procfs.c67
-rw-r--r--arch/v850/kernel/ptrace.c235
-rw-r--r--arch/v850/kernel/rte_cb.c193
-rw-r--r--arch/v850/kernel/rte_cb_leds.c137
-rw-r--r--arch/v850/kernel/rte_cb_multi.c121
-rw-r--r--arch/v850/kernel/rte_ma1_cb-rom.ld14
-rw-r--r--arch/v850/kernel/rte_ma1_cb.c107
-rw-r--r--arch/v850/kernel/rte_ma1_cb.ld57
-rw-r--r--arch/v850/kernel/rte_mb_a_pci.c819
-rw-r--r--arch/v850/kernel/rte_me2_cb.c298
-rw-r--r--arch/v850/kernel/rte_me2_cb.ld30
-rw-r--r--arch/v850/kernel/rte_nb85e_cb-multi.ld57
-rw-r--r--arch/v850/kernel/rte_nb85e_cb.c81
-rw-r--r--arch/v850/kernel/rte_nb85e_cb.ld22
-rw-r--r--arch/v850/kernel/setup.c330
-rw-r--r--arch/v850/kernel/signal.c523
-rw-r--r--arch/v850/kernel/sim.c172
-rw-r--r--arch/v850/kernel/sim.ld13
-rw-r--r--arch/v850/kernel/sim85e2.c195
-rw-r--r--arch/v850/kernel/sim85e2.ld36
-rw-r--r--arch/v850/kernel/simcons.c161
-rw-r--r--arch/v850/kernel/syscalls.c196
-rw-r--r--arch/v850/kernel/teg.c62
-rw-r--r--arch/v850/kernel/time.c106
-rw-r--r--arch/v850/kernel/v850_ksyms.c51
-rw-r--r--arch/v850/kernel/v850e2_cache.c127
-rw-r--r--arch/v850/kernel/v850e_cache.c174
-rw-r--r--arch/v850/kernel/v850e_intc.c104
-rw-r--r--arch/v850/kernel/v850e_timer_d.c54
-rw-r--r--arch/v850/kernel/v850e_utils.c62
-rw-r--r--arch/v850/kernel/vmlinux.lds.S306
56 files changed, 0 insertions, 8635 deletions
diff --git a/arch/v850/kernel/Makefile b/arch/v850/kernel/Makefile
deleted file mode 100644
index da5889c5357..00000000000
--- a/arch/v850/kernel/Makefile
+++ /dev/null
@@ -1,40 +0,0 @@
-#
-# arch/v850/kernel/Makefile
-#
-# Copyright (C) 2001,02,03 NEC Electronics Corporation
-# Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
-#
-# This file is subject to the terms and conditions of the GNU General Public
-# License. See the file "COPYING" in the main directory of this archive
-# for more details.
-#
-
-extra-y := head.o init_task.o vmlinux.lds
-
-obj-y += intv.o entry.o process.o syscalls.o time.o setup.o \
- signal.o irq.o mach.o ptrace.o bug.o
-obj-$(CONFIG_MODULES) += module.o v850_ksyms.o
-# chip-specific code
-obj-$(CONFIG_V850E_MA1) += ma.o
-obj-$(CONFIG_V850E_ME2) += me2.o
-obj-$(CONFIG_V850E_TEG) += teg.o
-obj-$(CONFIG_V850E_AS85EP1) += as85ep1.o
-obj-$(CONFIG_V850E2_ANNA) += anna.o
-# platform-specific code
-obj-$(CONFIG_V850E_SIM) += sim.o simcons.o
-obj-$(CONFIG_V850E2_SIM85E2) += sim85e2.o memcons.o
-obj-$(CONFIG_V850E2_FPGA85E2C) += fpga85e2c.o memcons.o
-obj-$(CONFIG_RTE_CB) += rte_cb.o rte_cb_leds.o
-obj-$(CONFIG_RTE_CB_MA1) += rte_ma1_cb.o
-obj-$(CONFIG_RTE_CB_ME2) += rte_me2_cb.o
-obj-$(CONFIG_RTE_CB_NB85E) += rte_nb85e_cb.o
-obj-$(CONFIG_RTE_CB_MULTI) += rte_cb_multi.o
-obj-$(CONFIG_RTE_MB_A_PCI) += rte_mb_a_pci.o
-obj-$(CONFIG_RTE_GBUS_INT) += gbus_int.o
-# feature-specific code
-obj-$(CONFIG_V850E_INTC) += v850e_intc.o
-obj-$(CONFIG_V850E_TIMER_D) += v850e_timer_d.o v850e_utils.o
-obj-$(CONFIG_V850E_CACHE) += v850e_cache.o
-obj-$(CONFIG_V850E2_CACHE) += v850e2_cache.o
-obj-$(CONFIG_V850E_HIGHRES_TIMER) += highres_timer.o
-obj-$(CONFIG_PROC_FS) += procfs.o
diff --git a/arch/v850/kernel/anna-rom.ld b/arch/v850/kernel/anna-rom.ld
deleted file mode 100644
index 7c54e7e3f1b..00000000000
--- a/arch/v850/kernel/anna-rom.ld
+++ /dev/null
@@ -1,16 +0,0 @@
-/* Linker script for the Midas labs Anna V850E2 evaluation board
- (CONFIG_V850E2_ANNA), with kernel in ROM (CONFIG_ROM_KERNEL). */
-
-MEMORY {
- /* 8MB of flash ROM. */
- ROM : ORIGIN = 0, LENGTH = 0x00800000
-
- /* 1MB of static RAM. This memory is mirrored 64 times. */
- SRAM : ORIGIN = SRAM_ADDR, LENGTH = SRAM_SIZE
- /* 64MB of DRAM. */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-SECTIONS {
- ROMK_SECTIONS(ROM, SRAM)
-}
diff --git a/arch/v850/kernel/anna.c b/arch/v850/kernel/anna.c
deleted file mode 100644
index 5978a25170f..00000000000
--- a/arch/v850/kernel/anna.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- * arch/v850/kernel/anna.c -- Anna V850E2 evaluation chip/board
- *
- * Copyright (C) 2002,03 NEC Electronics Corporation
- * Copyright (C) 2002,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/major.h>
-#include <linux/irq.h>
-
-#include <asm/machdep.h>
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/v850e_timer_d.h>
-#include <asm/v850e_uart.h>
-
-#include "mach.h"
-
-
-/* SRAM and SDRAM are vaguely contiguous (with a big hole in between; see
- mach_reserve_bootmem for details); use both as one big area. */
-#define RAM_START SRAM_ADDR
-#define RAM_END (SDRAM_ADDR + SDRAM_SIZE)
-
-/* The bits of this port are connected to an 8-LED bar-graph. */
-#define LEDS_PORT 0
-
-
-static void anna_led_tick (void);
-
-
-void __init mach_early_init (void)
-{
- ANNA_ILBEN = 0;
-
- V850E2_CSC(0) = 0x402F;
- V850E2_CSC(1) = 0x4000;
- V850E2_BPC = 0;
- V850E2_BSC = 0xAAAA;
- V850E2_BEC = 0;
-
-#if 0
- V850E2_BHC = 0xFFFF; /* icache all memory, dcache all */
-#else
- V850E2_BHC = 0; /* cache no memory */
-#endif
- V850E2_BCT(0) = 0xB088;
- V850E2_BCT(1) = 0x0008;
- V850E2_DWC(0) = 0x0027;
- V850E2_DWC(1) = 0;
- V850E2_BCC = 0x0006;
- V850E2_ASC = 0;
- V850E2_LBS = 0x0089;
- V850E2_SCR(3) = 0x21A9;
- V850E2_RFS(3) = 0x8121;
-
- v850e_intc_disable_irqs ();
-}
-
-void __init mach_setup (char **cmdline)
-{
- ANNA_PORT_PM (LEDS_PORT) = 0; /* Make all LED pins output pins. */
- mach_tick = anna_led_tick;
-}
-
-void __init mach_get_physical_ram (unsigned long *ram_start,
- unsigned long *ram_len)
-{
- *ram_start = RAM_START;
- *ram_len = RAM_END - RAM_START;
-}
-
-void __init mach_reserve_bootmem ()
-{
- /* The space between SRAM and SDRAM is filled with duplicate
- images of SRAM. Prevent the kernel from using them. */
- reserve_bootmem (SRAM_ADDR + SRAM_SIZE,
- SDRAM_ADDR - (SRAM_ADDR + SRAM_SIZE),
- BOOTMEM_DEFAULT);
-}
-
-void mach_gettimeofday (struct timespec *tv)
-{
- tv->tv_sec = 0;
- tv->tv_nsec = 0;
-}
-
-void __init mach_sched_init (struct irqaction *timer_action)
-{
- /* Start hardware timer. */
- v850e_timer_d_configure (0, HZ);
- /* Install timer interrupt handler. */
- setup_irq (IRQ_INTCMD(0), timer_action);
-}
-
-static struct v850e_intc_irq_init irq_inits[] = {
- { "IRQ", 0, NUM_MACH_IRQS, 1, 7 },
- { "PIN", IRQ_INTP(0), IRQ_INTP_NUM, 1, 4 },
- { "CCC", IRQ_INTCCC(0), IRQ_INTCCC_NUM, 1, 5 },
- { "CMD", IRQ_INTCMD(0), IRQ_INTCMD_NUM, 1, 5 },
- { "DMA", IRQ_INTDMA(0), IRQ_INTDMA_NUM, 1, 2 },
- { "DMXER", IRQ_INTDMXER,1, 1, 2 },
- { "SRE", IRQ_INTSRE(0), IRQ_INTSRE_NUM, 3, 3 },
- { "SR", IRQ_INTSR(0), IRQ_INTSR_NUM, 3, 4 },
- { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 3, 5 },
- { 0 }
-};
-#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1)
-
-static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS];
-
-void __init mach_init_irqs (void)
-{
- v850e_intc_init_irq_types (irq_inits, hw_itypes);
-}
-
-void machine_restart (char *__unused)
-{
-#ifdef CONFIG_RESET_GUARD
- disable_reset_guard ();
-#endif
- asm ("jmp r0"); /* Jump to the reset vector. */
-}
-
-void machine_halt (void)
-{
-#ifdef CONFIG_RESET_GUARD
- disable_reset_guard ();
-#endif
- local_irq_disable (); /* Ignore all interrupts. */
- ANNA_PORT_IO(LEDS_PORT) = 0xAA; /* Note that we halted. */
- for (;;)
- asm ("halt; nop; nop; nop; nop; nop");
-}
-
-void machine_power_off (void)
-{
- machine_halt ();
-}
-
-/* Called before configuring an on-chip UART. */
-void anna_uart_pre_configure (unsigned chan, unsigned cflags, unsigned baud)
-{
- /* The Anna connects some general-purpose I/O pins on the CPU to
- the RTS/CTS lines of UART 1's serial connection. I/O pins P07
- and P37 are RTS and CTS respectively. */
- if (chan == 1) {
- ANNA_PORT_PM(0) &= ~0x80; /* P07 in output mode */
- ANNA_PORT_PM(3) |= 0x80; /* P37 in input mode */
- }
-}
-
-/* Minimum and maximum bounds for the moving upper LED boundary in the
- clock tick display. We can't use the last bit because it's used for
- UART0's CTS output. */
-#define MIN_MAX_POS 0
-#define MAX_MAX_POS 6
-
-/* There are MAX_MAX_POS^2 - MIN_MAX_POS^2 cycles in the animation, so if
- we pick 6 and 0 as above, we get 49 cycles, which is when divided into
- the standard 100 value for HZ, gives us an almost 1s total time. */
-#define TICKS_PER_FRAME \
- (HZ / (MAX_MAX_POS * MAX_MAX_POS - MIN_MAX_POS * MIN_MAX_POS))
-
-static void anna_led_tick ()
-{
- static unsigned counter = 0;
-
- if (++counter == TICKS_PER_FRAME) {
- static int pos = 0, max_pos = MAX_MAX_POS, dir = 1;
-
- if (dir > 0 && pos == max_pos) {
- dir = -1;
- if (max_pos == MIN_MAX_POS)
- max_pos = MAX_MAX_POS;
- else
- max_pos--;
- } else {
- if (dir < 0 && pos == 0)
- dir = 1;
-
- if (pos + dir <= max_pos) {
- /* Each bit of port 0 has a LED. */
- clear_bit (pos, &ANNA_PORT_IO(LEDS_PORT));
- pos += dir;
- set_bit (pos, &ANNA_PORT_IO(LEDS_PORT));
- }
- }
-
- counter = 0;
- }
-}
diff --git a/arch/v850/kernel/anna.ld b/arch/v850/kernel/anna.ld
deleted file mode 100644
index df7f80f2833..00000000000
--- a/arch/v850/kernel/anna.ld
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Linker script for the Midas labs Anna V850E2 evaluation board
- (CONFIG_V850E2_ANNA). */
-
-MEMORY {
- /* 256KB of internal memory (followed by one mirror). */
- iMEM0 : ORIGIN = 0, LENGTH = 0x00040000
- /* 256KB of internal memory (followed by one mirror). */
- iMEM1 : ORIGIN = 0x00040000, LENGTH = 0x00040000
-
- /* 1MB of static RAM. This memory is mirrored 64 times. */
- SRAM : ORIGIN = SRAM_ADDR, LENGTH = SRAM_SIZE
- /* 64MB of DRAM. */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-SECTIONS {
- .intv : { INTV_CONTENTS } > iMEM0
- .sram : { RAMK_KRAM_CONTENTS } > SRAM
- .root : { ROOT_FS_CONTENTS } > SDRAM
-}
diff --git a/arch/v850/kernel/as85ep1-rom.ld b/arch/v850/kernel/as85ep1-rom.ld
deleted file mode 100644
index fe2a9a3ab52..00000000000
--- a/arch/v850/kernel/as85ep1-rom.ld
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Linker script for the NEC AS85EP1 V850E evaluation board
- (CONFIG_V850E_AS85EP1), with kernel in ROM (CONFIG_ROM_KERNEL). */
-
-MEMORY {
- /* 4MB of flash ROM. */
- ROM : ORIGIN = 0, LENGTH = 0x00400000
-
- /* 1MB of static RAM. */
- SRAM : ORIGIN = SRAM_ADDR, LENGTH = SRAM_SIZE
-
- /* About 58MB of DRAM. This can actually be at one of two
- positions, determined by jumper JP3; we have to use the first
- position because the second is partially out of processor
- instruction addressing range (though in the second position
- there's actually 64MB available). */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-SECTIONS {
- ROMK_SECTIONS(ROM, SRAM)
-}
diff --git a/arch/v850/kernel/as85ep1.c b/arch/v850/kernel/as85ep1.c
deleted file mode 100644
index b525ecf3aea..00000000000
--- a/arch/v850/kernel/as85ep1.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * arch/v850/kernel/as85ep1.c -- AS85EP1 V850E evaluation chip/board
- *
- * Copyright (C) 2002,03 NEC Electronics Corporation
- * Copyright (C) 2002,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/major.h>
-#include <linux/irq.h>
-
-#include <asm/machdep.h>
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/v850e_timer_d.h>
-#include <asm/v850e_uart.h>
-
-#include "mach.h"
-
-
-/* SRAM and SDRAM are vaguely contiguous (with a big hole in between; see
- mach_reserve_bootmem for details); use both as one big area. */
-#define RAM_START SRAM_ADDR
-#define RAM_END (SDRAM_ADDR + SDRAM_SIZE)
-
-/* The bits of this port are connected to an 8-LED bar-graph. */
-#define LEDS_PORT 4
-
-
-static void as85ep1_led_tick (void);
-
-extern char _intv_copy_src_start, _intv_copy_src_end;
-extern char _intv_copy_dst_start;
-
-
-void __init mach_early_init (void)
-{
-#ifndef CONFIG_ROM_KERNEL
- const u32 *src;
- register u32 *dst asm ("ep");
-#endif
-
- AS85EP1_CSC(0) = 0x0403;
- AS85EP1_BCT(0) = 0xB8B8;
- AS85EP1_DWC(0) = 0x0104;
- AS85EP1_BCC = 0x0012;
- AS85EP1_ASC = 0;
- AS85EP1_LBS = 0x00A9;
-
- AS85EP1_PORT_PMC(6) = 0xFF; /* valid A0,A1,A20-A25 */
- AS85EP1_PORT_PMC(7) = 0x0E; /* valid CS1-CS3 */
- AS85EP1_PORT_PMC(9) = 0xFF; /* valid D16-D23 */
- AS85EP1_PORT_PMC(10) = 0xFF; /* valid D24-D31 */
-
- AS85EP1_RFS(1) = 0x800c;
- AS85EP1_RFS(3) = 0x800c;
- AS85EP1_SCR(1) = 0x20A9;
- AS85EP1_SCR(3) = 0x20A9;
-
-#ifndef CONFIG_ROM_KERNEL
- /* The early chip we have is buggy, and writing the interrupt
- vectors into low RAM may screw up, so for non-ROM kernels, we
- only rely on the reset vector being downloaded, and copy the
- rest of the interrupt vectors into place here. The specific bug
- is that writing address N, where (N & 0x10) == 0x10, will _also_
- write to address (N - 0x10). We avoid this (effectively) by
- writing in 16-byte chunks backwards from the end. */
-
- AS85EP1_IRAMM = 0x3; /* "write-mode" for the internal instruction memory */
-
- src = (u32 *)(((u32)&_intv_copy_src_end - 1) & ~0xF);
- dst = (u32 *)&_intv_copy_dst_start
- + (src - (u32 *)&_intv_copy_src_start);
- do {
- u32 t0 = src[0], t1 = src[1], t2 = src[2], t3 = src[3];
- dst[0] = t0; dst[1] = t1; dst[2] = t2; dst[3] = t3;
- dst -= 4;
- src -= 4;
- } while (src > (u32 *)&_intv_copy_src_start);
-
- AS85EP1_IRAMM = 0x0; /* "read-mode" for the internal instruction memory */
-#endif /* !CONFIG_ROM_KERNEL */
-
- v850e_intc_disable_irqs ();
-}
-
-void __init mach_setup (char **cmdline)
-{
- AS85EP1_PORT_PMC (LEDS_PORT) = 0; /* Make the LEDs port an I/O port. */
- AS85EP1_PORT_PM (LEDS_PORT) = 0; /* Make all the bits output pins. */
- mach_tick = as85ep1_led_tick;
-}
-
-void __init mach_get_physical_ram (unsigned long *ram_start,
- unsigned long *ram_len)
-{
- *ram_start = RAM_START;
- *ram_len = RAM_END - RAM_START;
-}
-
-/* Convenience macros. */
-#define SRAM_END (SRAM_ADDR + SRAM_SIZE)
-#define SDRAM_END (SDRAM_ADDR + SDRAM_SIZE)
-
-void __init mach_reserve_bootmem ()
-{
- if (SDRAM_ADDR < RAM_END && SDRAM_ADDR > RAM_START)
- /* We can't use the space between SRAM and SDRAM, so
- prevent the kernel from trying. */
- reserve_bootmem(SRAM_END, SDRAM_ADDR - SRAM_END,
- BOOTMEM_DEFAULT);
-}
-
-void mach_gettimeofday (struct timespec *tv)
-{
- tv->tv_sec = 0;
- tv->tv_nsec = 0;
-}
-
-void __init mach_sched_init (struct irqaction *timer_action)
-{
- /* Start hardware timer. */
- v850e_timer_d_configure (0, HZ);
- /* Install timer interrupt handler. */
- setup_irq (IRQ_INTCMD(0), timer_action);
-}
-
-static struct v850e_intc_irq_init irq_inits[] = {
- { "IRQ", 0, NUM_MACH_IRQS, 1, 7 },
- { "CCC", IRQ_INTCCC(0), IRQ_INTCCC_NUM, 1, 5 },
- { "CMD", IRQ_INTCMD(0), IRQ_INTCMD_NUM, 1, 5 },
- { "SRE", IRQ_INTSRE(0), IRQ_INTSRE_NUM, 3, 3 },
- { "SR", IRQ_INTSR(0), IRQ_INTSR_NUM, 3, 4 },
- { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 3, 5 },
- { 0 }
-};
-#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1)
-
-static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS];
-
-void __init mach_init_irqs (void)
-{
- v850e_intc_init_irq_types (irq_inits, hw_itypes);
-}
-
-void machine_restart (char *__unused)
-{
-#ifdef CONFIG_RESET_GUARD
- disable_reset_guard ();
-#endif
- asm ("jmp r0"); /* Jump to the reset vector. */
-}
-
-void machine_halt (void)
-{
-#ifdef CONFIG_RESET_GUARD
- disable_reset_guard ();
-#endif
- local_irq_disable (); /* Ignore all interrupts. */
- AS85EP1_PORT_IO (LEDS_PORT) = 0xAA; /* Note that we halted. */
- for (;;)
- asm ("halt; nop; nop; nop; nop; nop");
-}
-
-void machine_power_off (void)
-{
- machine_halt ();
-}
-
-/* Called before configuring an on-chip UART. */
-void as85ep1_uart_pre_configure (unsigned chan, unsigned cflags, unsigned baud)
-{
- /* Make the shared uart/port pins be uart pins. */
- AS85EP1_PORT_PMC(3) |= (0x5 << chan);
-
- /* The AS85EP1 connects some general-purpose I/O pins on the CPU to
- the RTS/CTS lines of UART 1's serial connection. I/O pins P53
- and P54 are RTS and CTS respectively. */
- if (chan == 1) {
- /* Put P53 & P54 in I/O port mode. */
- AS85EP1_PORT_PMC(5) &= ~0x18;
- /* Make P53 an output, and P54 an input. */
- AS85EP1_PORT_PM(5) |= 0x10;
- }
-}
-
-/* Minimum and maximum bounds for the moving upper LED boundary in the
- clock tick display. */
-#define MIN_MAX_POS 0
-#define MAX_MAX_POS 7
-
-/* There are MAX_MAX_POS^2 - MIN_MAX_POS^2 cycles in the animation, so if
- we pick 6 and 0 as above, we get 49 cycles, which is when divided into
- the standard 100 value for HZ, gives us an almost 1s total time. */
-#define TICKS_PER_FRAME \
- (HZ / (MAX_MAX_POS * MAX_MAX_POS - MIN_MAX_POS * MIN_MAX_POS))
-
-static void as85ep1_led_tick ()
-{
- static unsigned counter = 0;
-
- if (++counter == TICKS_PER_FRAME) {
- static int pos = 0, max_pos = MAX_MAX_POS, dir = 1;
-
- if (dir > 0 && pos == max_pos) {
- dir = -1;
- if (max_pos == MIN_MAX_POS)
- max_pos = MAX_MAX_POS;
- else
- max_pos--;
- } else {
- if (dir < 0 && pos == 0)
- dir = 1;
-
- if (pos + dir <= max_pos) {
- /* Each bit of port 0 has a LED. */
- set_bit (pos, &AS85EP1_PORT_IO(LEDS_PORT));
- pos += dir;
- clear_bit (pos, &AS85EP1_PORT_IO(LEDS_PORT));
- }
- }
-
- counter = 0;
- }
-}
diff --git a/arch/v850/kernel/as85ep1.ld b/arch/v850/kernel/as85ep1.ld
deleted file mode 100644
index ef2c4399063..00000000000
--- a/arch/v850/kernel/as85ep1.ld
+++ /dev/null
@@ -1,49 +0,0 @@
-/* Linker script for the NEC AS85EP1 V850E evaluation board
- (CONFIG_V850E_AS85EP1). */
-
-MEMORY {
- /* 1MB of internal instruction memory. */
- iMEM0 : ORIGIN = 0, LENGTH = 0x00100000
-
- /* 1MB of static RAM. */
- SRAM : ORIGIN = SRAM_ADDR, LENGTH = SRAM_SIZE
-
- /* About 58MB of DRAM. This can actually be at one of two
- positions, determined by jump JP3; we have to use the first
- position because the second is partially out of processor
- instruction addressing range (though in the second position
- there's actually 64MB available). */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-SECTIONS {
- .resetv : {
- __intv_start = . ;
- *(.intv.reset) /* Reset vector */
- } > iMEM0
-
- .sram : {
- RAMK_KRAM_CONTENTS
-
- /* We stick most of the interrupt vectors here; they'll be
- copied into the proper location by the early init code (we
- can't put them directly in the right place because of
- hardware bugs). The vectors shouldn't need to be
- relocated, so we don't have to use `> ... AT> ...' to
- split the load/vm addresses (and we can't because of
- problems with the loader). */
- . = ALIGN (0x10) ;
- __intv_copy_src_start = . ;
- *(.intv.common) /* Vectors common to all v850e proc. */
- *(.intv.mach) /* Machine-specific int. vectors. */
- . = ALIGN (0x10) ;
- __intv_copy_src_end = . ;
- } > SRAM
-
- /* Where we end up putting the vectors. */
- __intv_copy_dst_start = 0x10 ;
- __intv_copy_dst_end = __intv_copy_dst_start + (__intv_copy_src_end - __intv_copy_src_start) ;
- __intv_end = __intv_copy_dst_end ;
-
- .root : { ROOT_FS_CONTENTS } > SDRAM
-}
diff --git a/arch/v850/kernel/asm-offsets.c b/arch/v850/kernel/asm-offsets.c
deleted file mode 100644
index 581e6986a77..00000000000
--- a/arch/v850/kernel/asm-offsets.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * This program is used to generate definitions needed by
- * assembly language modules.
- *
- * We use the technique used in the OSF Mach kernel code:
- * generate asm statements containing #defines,
- * compile this file to assembler, and then extract the
- * #defines from the assembly-language output.
- */
-
-#include <linux/stddef.h>
-#include <linux/sched.h>
-#include <linux/kernel_stat.h>
-#include <linux/ptrace.h>
-#include <linux/hardirq.h>
-#include <linux/kbuild.h>
-
-#include <asm/irq.h>
-#include <asm/errno.h>
-
-int main (void)
-{
- /* offsets into the task struct */
- DEFINE (TASK_STATE, offsetof (struct task_struct, state));
- DEFINE (TASK_FLAGS, offsetof (struct task_struct, flags));
- DEFINE (TASK_PTRACE, offsetof (struct task_struct, ptrace));
- DEFINE (TASK_BLOCKED, offsetof (struct task_struct, blocked));
- DEFINE (TASK_THREAD, offsetof (struct task_struct, thread));
- DEFINE (TASK_THREAD_INFO, offsetof (struct task_struct, stack));
- DEFINE (TASK_MM, offsetof (struct task_struct, mm));
- DEFINE (TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm));
- DEFINE (TASK_PID, offsetof (struct task_struct, pid));
-
- /* offsets into the kernel_stat struct */
- DEFINE (STAT_IRQ, offsetof (struct kernel_stat, irqs));
-
-
- /* signal defines */
- DEFINE (SIGSEGV, SIGSEGV);
- DEFINE (SEGV_MAPERR, SEGV_MAPERR);
- DEFINE (SIGTRAP, SIGTRAP);
- DEFINE (SIGCHLD, SIGCHLD);
- DEFINE (SIGILL, SIGILL);
- DEFINE (TRAP_TRACE, TRAP_TRACE);
-
- /* ptrace flag bits */
- DEFINE (PT_PTRACED, PT_PTRACED);
- DEFINE (PT_DTRACE, PT_DTRACE);
-
- /* error values */
- DEFINE (ENOSYS, ENOSYS);
-
- /* clone flag bits */
- DEFINE (CLONE_VFORK, CLONE_VFORK);
- DEFINE (CLONE_VM, CLONE_VM);
-
- return 0;
-}
diff --git a/arch/v850/kernel/bug.c b/arch/v850/kernel/bug.c
deleted file mode 100644
index c78cf750915..00000000000
--- a/arch/v850/kernel/bug.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * arch/v850/kernel/bug.c -- Bug reporting functions
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/reboot.h>
-#include <linux/sched.h>
-#include <linux/module.h>
-
-#include <asm/errno.h>
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/current.h>
-
-/* We should use __builtin_return_address, but it doesn't work in gcc-2.90
- (which is currently our standard compiler on the v850). */
-#define ret_addr() ({ register u32 lp asm ("lp"); lp; })
-#define stack_addr() ({ register u32 sp asm ("sp"); sp; })
-
-void __bug ()
-{
- printk (KERN_CRIT "kernel BUG at PC 0x%x (SP ~0x%x)!\n",
- ret_addr() - 4, /* - 4 for `jarl' */
- stack_addr());
- machine_halt ();
-}
-
-int bad_trap (int trap_num, struct pt_regs *regs)
-{
- printk (KERN_CRIT
- "unimplemented trap %d called at 0x%08lx, pid %d!\n",
- trap_num, regs->pc, current->pid);
- return -ENOSYS;
-}
-
-#ifdef CONFIG_RESET_GUARD
-void unexpected_reset (unsigned long ret_addr, unsigned long kmode,
- struct task_struct *task, unsigned long sp)
-{
- printk (KERN_CRIT
- "unexpected reset in %s mode, pid %d"
- " (ret_addr = 0x%lx, sp = 0x%lx)\n",
- kmode ? "kernel" : "user",
- task ? task->pid : -1,
- ret_addr, sp);
-
- machine_halt ();
-}
-#endif /* CONFIG_RESET_GUARD */
-
-
-
-struct spec_reg_name {
- const char *name;
- int gpr;
-};
-
-struct spec_reg_name spec_reg_names[] = {
- { "sp", GPR_SP },
- { "gp", GPR_GP },
- { "tp", GPR_TP },
- { "ep", GPR_EP },
- { "lp", GPR_LP },
- { 0, 0 }
-};
-
-void show_regs (struct pt_regs *regs)
-{
- int gpr_base, gpr_offs;
-
- printk (" pc 0x%08lx psw 0x%08lx kernel_mode %d\n",
- regs->pc, regs->psw, regs->kernel_mode);
- printk (" ctpc 0x%08lx ctpsw 0x%08lx ctbp 0x%08lx\n",
- regs->ctpc, regs->ctpsw, regs->ctbp);
-
- for (gpr_base = 0; gpr_base < NUM_GPRS; gpr_base += 4) {
- for (gpr_offs = 0; gpr_offs < 4; gpr_offs++) {
- int gpr = gpr_base + gpr_offs;
- long val = regs->gpr[gpr];
- struct spec_reg_name *srn;
-
- for (srn = spec_reg_names; srn->name; srn++)
- if (srn->gpr == gpr)
- break;
-
- if (srn->name)
- printk ("%7s 0x%08lx", srn->name, val);
- else
- printk (" r%02d 0x%08lx", gpr, val);
- }
-
- printk ("\n");
- }
-}
-
-/*
- * TASK is a pointer to the task whose backtrace we want to see (or NULL
- * for current task), SP is the stack pointer of the first frame that
- * should be shown in the back trace (or NULL if the entire call-chain of
- * the task should be shown).
- */
-void show_stack (struct task_struct *task, unsigned long *sp)
-{
- unsigned long addr, end;
-
- if (sp)
- addr = (unsigned long)sp;
- else if (task)
- addr = task_sp (task);
- else
- addr = stack_addr ();
-
- addr = addr & ~3;
- end = (addr + THREAD_SIZE - 1) & THREAD_MASK;
-
- while (addr < end) {
- printk ("%8lX: ", addr);
- while (addr < end) {
- printk (" %8lX", *(unsigned long *)addr);
- addr += sizeof (unsigned long);
- if (! (addr & 0xF))
- break;
- }
- printk ("\n");
- }
-}
-
-void dump_stack ()
-{
- show_stack (0, 0);
-}
-
-EXPORT_SYMBOL(dump_stack);
diff --git a/arch/v850/kernel/entry.S b/arch/v850/kernel/entry.S
deleted file mode 100644
index e4327a8d6bc..00000000000
--- a/arch/v850/kernel/entry.S
+++ /dev/null
@@ -1,1121 +0,0 @@
-/*
- * arch/v850/kernel/entry.S -- Low-level system-call handling, trap handlers,
- * and context-switching
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/sys.h>
-
-#include <asm/entry.h>
-#include <asm/current.h>
-#include <asm/thread_info.h>
-#include <asm/clinkage.h>
-#include <asm/processor.h>
-#include <asm/irq.h>
-#include <asm/errno.h>
-
-#include <asm/asm-offsets.h>
-
-
-/* Make a slightly more convenient alias for C_SYMBOL_NAME. */
-#define CSYM C_SYMBOL_NAME
-
-
-/* The offset of the struct pt_regs in a state-save-frame on the stack. */
-#define PTO STATE_SAVE_PT_OFFSET
-
-
-/* Save argument registers to the state-save-frame pointed to by EP. */
-#define SAVE_ARG_REGS \
- sst.w r6, PTO+PT_GPR(6)[ep]; \
- sst.w r7, PTO+PT_GPR(7)[ep]; \
- sst.w r8, PTO+PT_GPR(8)[ep]; \
- sst.w r9, PTO+PT_GPR(9)[ep]
-/* Restore argument registers from the state-save-frame pointed to by EP. */
-#define RESTORE_ARG_REGS \
- sld.w PTO+PT_GPR(6)[ep], r6; \
- sld.w PTO+PT_GPR(7)[ep], r7; \
- sld.w PTO+PT_GPR(8)[ep], r8; \
- sld.w PTO+PT_GPR(9)[ep], r9
-
-/* Save value return registers to the state-save-frame pointed to by EP. */
-#define SAVE_RVAL_REGS \
- sst.w r10, PTO+PT_GPR(10)[ep]; \
- sst.w r11, PTO+PT_GPR(11)[ep]
-/* Restore value return registers from the state-save-frame pointed to by EP. */
-#define RESTORE_RVAL_REGS \
- sld.w PTO+PT_GPR(10)[ep], r10; \
- sld.w PTO+PT_GPR(11)[ep], r11
-
-
-#define SAVE_CALL_CLOBBERED_REGS_BEFORE_ARGS \
- sst.w r1, PTO+PT_GPR(1)[ep]; \
- sst.w r5, PTO+PT_GPR(5)[ep]
-#define SAVE_CALL_CLOBBERED_REGS_AFTER_RVAL \
- sst.w r12, PTO+PT_GPR(12)[ep]; \
- sst.w r13, PTO+PT_GPR(13)[ep]; \
- sst.w r14, PTO+PT_GPR(14)[ep]; \
- sst.w r15, PTO+PT_GPR(15)[ep]; \
- sst.w r16, PTO+PT_GPR(16)[ep]; \
- sst.w r17, PTO+PT_GPR(17)[ep]; \
- sst.w r18, PTO+PT_GPR(18)[ep]; \
- sst.w r19, PTO+PT_GPR(19)[ep]
-#define RESTORE_CALL_CLOBBERED_REGS_BEFORE_ARGS \
- sld.w PTO+PT_GPR(1)[ep], r1; \
- sld.w PTO+PT_GPR(5)[ep], r5
-#define RESTORE_CALL_CLOBBERED_REGS_AFTER_RVAL \
- sld.w PTO+PT_GPR(12)[ep], r12; \
- sld.w PTO+PT_GPR(13)[ep], r13; \
- sld.w PTO+PT_GPR(14)[ep], r14; \
- sld.w PTO+PT_GPR(15)[ep], r15; \
- sld.w PTO+PT_GPR(16)[ep], r16; \
- sld.w PTO+PT_GPR(17)[ep], r17; \
- sld.w PTO+PT_GPR(18)[ep], r18; \
- sld.w PTO+PT_GPR(19)[ep], r19
-
-/* Save `call clobbered' registers to the state-save-frame pointed to by EP. */
-#define SAVE_CALL_CLOBBERED_REGS \
- SAVE_CALL_CLOBBERED_REGS_BEFORE_ARGS; \
- SAVE_ARG_REGS; \
- SAVE_RVAL_REGS; \
- SAVE_CALL_CLOBBERED_REGS_AFTER_RVAL
-/* Restore `call clobbered' registers from the state-save-frame pointed to
- by EP. */
-#define RESTORE_CALL_CLOBBERED_REGS \
- RESTORE_CALL_CLOBBERED_REGS_BEFORE_ARGS; \
- RESTORE_ARG_REGS; \
- RESTORE_RVAL_REGS; \
- RESTORE_CALL_CLOBBERED_REGS_AFTER_RVAL
-
-/* Save `call clobbered' registers except for the return-value registers
- to the state-save-frame pointed to by EP. */
-#define SAVE_CALL_CLOBBERED_REGS_NO_RVAL \
- SAVE_CALL_CLOBBERED_REGS_BEFORE_ARGS; \
- SAVE_ARG_REGS; \
- SAVE_CALL_CLOBBERED_REGS_AFTER_RVAL
-/* Restore `call clobbered' registers except for the return-value registers
- from the state-save-frame pointed to by EP. */
-#define RESTORE_CALL_CLOBBERED_REGS_NO_RVAL \
- RESTORE_CALL_CLOBBERED_REGS_BEFORE_ARGS; \
- RESTORE_ARG_REGS; \
- RESTORE_CALL_CLOBBERED_REGS_AFTER_RVAL
-
-/* Save `call saved' registers to the state-save-frame pointed to by EP. */
-#define SAVE_CALL_SAVED_REGS \
- sst.w r2, PTO+PT_GPR(2)[ep]; \
- sst.w r20, PTO+PT_GPR(20)[ep]; \
- sst.w r21, PTO+PT_GPR(21)[ep]; \
- sst.w r22, PTO+PT_GPR(22)[ep]; \
- sst.w r23, PTO+PT_GPR(23)[ep]; \
- sst.w r24, PTO+PT_GPR(24)[ep]; \
- sst.w r25, PTO+PT_GPR(25)[ep]; \
- sst.w r26, PTO+PT_GPR(26)[ep]; \
- sst.w r27, PTO+PT_GPR(27)[ep]; \
- sst.w r28, PTO+PT_GPR(28)[ep]; \
- sst.w r29, PTO+PT_GPR(29)[ep]
-/* Restore `call saved' registers from the state-save-frame pointed to by EP. */
-#define RESTORE_CALL_SAVED_REGS \
- sld.w PTO+PT_GPR(2)[ep], r2; \
- sld.w PTO+PT_GPR(20)[ep], r20; \
- sld.w PTO+PT_GPR(21)[ep], r21; \
- sld.w PTO+PT_GPR(22)[ep], r22; \
- sld.w PTO+PT_GPR(23)[ep], r23; \
- sld.w PTO+PT_GPR(24)[ep], r24; \
- sld.w PTO+PT_GPR(25)[ep], r25; \
- sld.w PTO+PT_GPR(26)[ep], r26; \
- sld.w PTO+PT_GPR(27)[ep], r27; \
- sld.w PTO+PT_GPR(28)[ep], r28; \
- sld.w PTO+PT_GPR(29)[ep], r29
-
-
-/* Save the PC stored in the special register SAVEREG to the state-save-frame
- pointed to by EP. r19 is clobbered. */
-#define SAVE_PC(savereg) \
- stsr SR_ ## savereg, r19; \
- sst.w r19, PTO+PT_PC[ep]
-/* Restore the PC from the state-save-frame pointed to by EP, to the special
- register SAVEREG. LP is clobbered (it is used as a scratch register
- because the POP_STATE macro restores it, and this macro is usually used
- inside POP_STATE). */
-#define RESTORE_PC(savereg) \
- sld.w PTO+PT_PC[ep], lp; \
- ldsr lp, SR_ ## savereg
-/* Save the PSW register stored in the special register SAVREG to the
- state-save-frame pointed to by EP. r19 is clobbered. */
-#define SAVE_PSW(savereg) \
- stsr SR_ ## savereg, r19; \
- sst.w r19, PTO+PT_PSW[ep]
-/* Restore the PSW register from the state-save-frame pointed to by EP, to
- the special register SAVEREG. LP is clobbered (it is used as a scratch
- register because the POP_STATE macro restores it, and this macro is
- usually used inside POP_STATE). */
-#define RESTORE_PSW(savereg) \
- sld.w PTO+PT_PSW[ep], lp; \
- ldsr lp, SR_ ## savereg
-
-/* Save CTPC/CTPSW/CTBP registers to the state-save-frame pointed to by REG.
- r19 is clobbered. */
-#define SAVE_CT_REGS \
- stsr SR_CTPC, r19; \
- sst.w r19, PTO+PT_CTPC[ep]; \
- stsr SR_CTPSW, r19; \
- sst.w r19, PTO+PT_CTPSW[ep]; \
- stsr SR_CTBP, r19; \
- sst.w r19, PTO+PT_CTBP[ep]
-/* Restore CTPC/CTPSW/CTBP registers from the state-save-frame pointed to by EP.
- LP is clobbered (it is used as a scratch register because the POP_STATE
- macro restores it, and this macro is usually used inside POP_STATE). */
-#define RESTORE_CT_REGS \
- sld.w PTO+PT_CTPC[ep], lp; \
- ldsr lp, SR_CTPC; \
- sld.w PTO+PT_CTPSW[ep], lp; \
- ldsr lp, SR_CTPSW; \
- sld.w PTO+PT_CTBP[ep], lp; \
- ldsr lp, SR_CTBP
-
-
-/* Push register state, except for the stack pointer, on the stack in the
- form of a state-save-frame (plus some extra padding), in preparation for
- a system call. This macro makes sure that the EP, GP, and LP
- registers are saved, and TYPE identifies the set of extra registers to
- be saved as well. Also copies (the new value of) SP to EP. */
-#define PUSH_STATE(type) \
- addi -STATE_SAVE_SIZE, sp, sp; /* Make room on the stack. */ \
- st.w ep, PTO+PT_GPR(GPR_EP)[sp]; \
- mov sp, ep; \
- sst.w gp, PTO+PT_GPR(GPR_GP)[ep]; \
- sst.w lp, PTO+PT_GPR(GPR_LP)[ep]; \
- type ## _STATE_SAVER
-/* Pop a register state pushed by PUSH_STATE, except for the stack pointer,
- from the stack. */
-#define POP_STATE(type) \
- mov sp, ep; \
- type ## _STATE_RESTORER; \
- sld.w PTO+PT_GPR(GPR_GP)[ep], gp; \
- sld.w PTO+PT_GPR(GPR_LP)[ep], lp; \
- sld.w PTO+PT_GPR(GPR_EP)[ep], ep; \
- addi STATE_SAVE_SIZE, sp, sp /* Clean up our stack space. */
-
-
-/* Switch to the kernel stack if necessary, and push register state on the
- stack in the form of a state-save-frame. Also load the current task
- pointer if switching from user mode. The stack-pointer (r3) should have
- already been saved to the memory location SP_SAVE_LOC (the reason for
- this is that the interrupt vectors may be beyond a 22-bit signed offset
- jump from the actual interrupt handler, and this allows them to save the
- stack-pointer and use that register to do an indirect jump). This macro
- makes sure that `special' registers, system registers, and the stack
- pointer are saved; TYPE identifies the set of extra registers to be
- saved as well. SYSCALL_NUM is the register in which the system-call
- number this state is for is stored (r0 if this isn't a system call).
- Interrupts should already be disabled when calling this. */
-#define SAVE_STATE(type, syscall_num, sp_save_loc) \
- tst1 0, KM; /* See if already in kernel mode. */ \
- bz 1f; \
- ld.w sp_save_loc, sp; /* ... yes, use saved SP. */ \
- br 2f; \
-1: ld.w KSP, sp; /* ... no, switch to kernel stack. */ \
-2: PUSH_STATE(type); \
- ld.b KM, r19; /* Remember old kernel-mode. */ \
- sst.w r19, PTO+PT_KERNEL_MODE[ep]; \
- ld.w sp_save_loc, r19; /* Remember old SP. */ \
- sst.w r19, PTO+PT_GPR(GPR_SP)[ep]; \
- mov 1, r19; /* Now definitely in kernel-mode. */ \
- st.b r19, KM; \
- GET_CURRENT_TASK(CURRENT_TASK); /* Fetch the current task pointer. */ \
- /* Save away the syscall number. */ \
- sst.w syscall_num, PTO+PT_CUR_SYSCALL[ep]
-
-
-/* Save register state not normally saved by PUSH_STATE for TYPE, to the
- state-save-frame on the stack; also copies SP to EP. r19 may be trashed. */
-#define SAVE_EXTRA_STATE(type) \
- mov sp, ep; \
- type ## _EXTRA_STATE_SAVER
-/* Restore register state not normally restored by POP_STATE for TYPE,
- from the state-save-frame on the stack; also copies SP to EP.
- r19 may be trashed. */
-#define RESTORE_EXTRA_STATE(type) \
- mov sp, ep; \
- type ## _EXTRA_STATE_RESTORER
-
-/* Save any call-clobbered registers not normally saved by PUSH_STATE for
- TYPE, to the state-save-frame on the stack.
- EP may be trashed, but is not guaranteed to contain a copy of SP
- (unlike after most SAVE_... macros). r19 may be trashed. */
-#define SAVE_EXTRA_STATE_FOR_SCHEDULE(type) \
- type ## _SCHEDULE_EXTRA_STATE_SAVER
-/* Restore any call-clobbered registers not normally restored by
- POP_STATE for TYPE, to the state-save-frame on the stack.
- EP may be trashed, but is not guaranteed to contain a copy of SP
- (unlike after most RESTORE_... macros). r19 may be trashed. */
-#define RESTORE_EXTRA_STATE_FOR_SCHEDULE(type) \
- type ## _SCHEDULE_EXTRA_STATE_RESTORER
-
-
-/* These are extra_state_saver/restorer values for a user trap. Note
- that we save the argument registers so that restarted syscalls will
- function properly (otherwise it wouldn't be necessary), and we must
- _not_ restore the return-value registers (so that traps can return a
- value!), but call-clobbered registers are not saved at all, as the
- caller of the syscall function should have saved them. */
-
-#define TRAP_RET reti
-/* Traps don't save call-clobbered registers (but do still save arg regs).
- We preserve PSw to keep long-term state, namely interrupt status (for traps
- from kernel-mode), and the single-step flag (for user traps). */
-#define TRAP_STATE_SAVER \
- SAVE_ARG_REGS; \
- SAVE_PC(EIPC); \
- SAVE_PSW(EIPSW)
-/* When traps return, they just leave call-clobbered registers (except for arg
- regs) with whatever value they have from the kernel. Traps don't preserve
- the PSW, but we zero EIPSW to ensure it doesn't contain anything dangerous
- (in particular, the single-step flag). */
-#define TRAP_STATE_RESTORER \
- RESTORE_ARG_REGS; \
- RESTORE_PC(EIPC); \
- RESTORE_PSW(EIPSW)
-/* Save registers not normally saved by traps. We need to save r12, even
- though it's nominally call-clobbered, because it's used when restarting
- a system call (the signal-handling path uses SAVE_EXTRA_STATE, and
- expects r12 to be restored when the trap returns). */
-#define TRAP_EXTRA_STATE_SAVER \
- SAVE_RVAL_REGS; \
- sst.w r12, PTO+PT_GPR(12)[ep]; \
- SAVE_CALL_SAVED_REGS; \
- SAVE_CT_REGS
-#define TRAP_EXTRA_STATE_RESTORER \
- RESTORE_RVAL_REGS; \
- sld.w PTO+PT_GPR(12)[ep], r12; \
- RESTORE_CALL_SAVED_REGS; \
- RESTORE_CT_REGS
-/* Save registers prior to calling scheduler (just before trap returns).
- We have to save the return-value registers to preserve the trap's return
- value. Note that ..._SCHEDULE_EXTRA_STATE_SAVER, unlike most ..._SAVER
- macros, is required to setup EP itself if EP is needed (this is because
- in many cases, the macro is empty). */
-#define TRAP_SCHEDULE_EXTRA_STATE_SAVER \
- mov sp, ep; \
- SAVE_RVAL_REGS
-/* Note that ..._SCHEDULE_EXTRA_STATE_RESTORER, unlike most ..._RESTORER
- macros, is required to setup EP itself if EP is needed (this is because
- in many cases, the macro is empty). */
-#define TRAP_SCHEDULE_EXTRA_STATE_RESTORER \
- mov sp, ep; \
- RESTORE_RVAL_REGS
-
-/* Register saving/restoring for maskable interrupts. */
-#define IRQ_RET reti
-#define IRQ_STATE_SAVER \
- SAVE_CALL_CLOBBERED_REGS; \
- SAVE_PC(EIPC); \
- SAVE_PSW(EIPSW)
-#define IRQ_STATE_RESTORER \
- RESTORE_CALL_CLOBBERED_REGS; \
- RESTORE_PC(EIPC); \
- RESTORE_PSW(EIPSW)
-#define IRQ_EXTRA_STATE_SAVER \
- SAVE_CALL_SAVED_REGS; \
- SAVE_CT_REGS
-#define IRQ_EXTRA_STATE_RESTORER \
- RESTORE_CALL_SAVED_REGS; \
- RESTORE_CT_REGS
-#define IRQ_SCHEDULE_EXTRA_STATE_SAVER /* nothing */
-#define IRQ_SCHEDULE_EXTRA_STATE_RESTORER /* nothing */
-
-/* Register saving/restoring for non-maskable interrupts. */
-#define NMI_RET reti
-#define NMI_STATE_SAVER \
- SAVE_CALL_CLOBBERED_REGS; \
- SAVE_PC(FEPC); \
- SAVE_PSW(FEPSW);
-#define NMI_STATE_RESTORER \
- RESTORE_CALL_CLOBBERED_REGS; \
- RESTORE_PC(FEPC); \
- RESTORE_PSW(FEPSW);
-#define NMI_EXTRA_STATE_SAVER \
- SAVE_CALL_SAVED_REGS; \
- SAVE_CT_REGS
-#define NMI_EXTRA_STATE_RESTORER \
- RESTORE_CALL_SAVED_REGS; \
- RESTORE_CT_REGS
-#define NMI_SCHEDULE_EXTRA_STATE_SAVER /* nothing */
-#define NMI_SCHEDULE_EXTRA_STATE_RESTORER /* nothing */
-
-/* Register saving/restoring for debug traps. */
-#define DBTRAP_RET .long 0x014607E0 /* `dbret', but gas doesn't support it. */
-#define DBTRAP_STATE_SAVER \
- SAVE_CALL_CLOBBERED_REGS; \
- SAVE_PC(DBPC); \
- SAVE_PSW(DBPSW)
-#define DBTRAP_STATE_RESTORER \
- RESTORE_CALL_CLOBBERED_REGS; \
- RESTORE_PC(DBPC); \
- RESTORE_PSW(DBPSW)
-#define DBTRAP_EXTRA_STATE_SAVER \
- SAVE_CALL_SAVED_REGS; \
- SAVE_CT_REGS
-#define DBTRAP_EXTRA_STATE_RESTORER \
- RESTORE_CALL_SAVED_REGS; \
- RESTORE_CT_REGS
-#define DBTRAP_SCHEDULE_EXTRA_STATE_SAVER /* nothing */
-#define DBTRAP_SCHEDULE_EXTRA_STATE_RESTORER /* nothing */
-
-/* Register saving/restoring for a context switch. We don't need to save
- too many registers, because context-switching looks like a function call
- (via the function `switch_thread'), so callers will save any
- call-clobbered registers themselves. We do need to save the CT regs, as
- they're normally not saved during kernel entry (the kernel doesn't use
- them). We save PSW so that interrupt-status state will correctly follow
- each thread (mostly NMI vs. normal-IRQ/trap), though for the most part
- it doesn't matter since threads are always in almost exactly the same
- processor state during a context switch. The stack pointer and return
- value are handled by switch_thread itself. */
-#define SWITCH_STATE_SAVER \
- SAVE_CALL_SAVED_REGS; \
- SAVE_PSW(PSW); \
- SAVE_CT_REGS
-#define SWITCH_STATE_RESTORER \
- RESTORE_CALL_SAVED_REGS; \
- RESTORE_PSW(PSW); \
- RESTORE_CT_REGS
-
-
-/* Restore register state from the state-save-frame on the stack, switch back
- to the user stack if necessary, and return from the trap/interrupt.
- EXTRA_STATE_RESTORER is a sequence of assembly language statements to
- restore anything not restored by this macro. Only registers not saved by
- the C compiler are restored (that is, R3(sp), R4(gp), R31(lp), and
- anything restored by EXTRA_STATE_RESTORER). */
-#define RETURN(type) \
- ld.b PTO+PT_KERNEL_MODE[sp], r19; \
- di; /* Disable interrupts */ \
- cmp r19, r0; /* See if returning to kernel mode, */\
- bne 2f; /* ... if so, skip resched &c. */ \
- \
- /* We're returning to user mode, so check for various conditions that \
- trigger rescheduling. */ \
- GET_CURRENT_THREAD(r18); \
- ld.w TI_FLAGS[r18], r19; \
- andi _TIF_NEED_RESCHED, r19, r0; \
- bnz 3f; /* Call the scheduler. */ \
-5: andi _TIF_SIGPENDING, r19, r18; \
- ld.w TASK_PTRACE[CURRENT_TASK], r19; /* ptrace flags */ \
- or r18, r19; /* see if either is non-zero */ \
- bnz 4f; /* if so, handle them */ \
- \
-/* Return to user state. */ \
-1: st.b r0, KM; /* Now officially in user state. */ \
- \
-/* Final return. The stack-pointer fiddling is not needed when returning \
- to kernel-mode, but they don't hurt, and this way we can share the \
- (sometimes rather lengthy) POP_STATE macro. */ \
-2: POP_STATE(type); \
- st.w sp, KSP; /* Save the kernel stack pointer. */ \
- ld.w PT_GPR(GPR_SP)-PT_SIZE[sp], sp; /* Restore stack pointer. */ \
- type ## _RET; /* Return from the trap/interrupt. */ \
- \
-/* Call the scheduler before returning from a syscall/trap. */ \
-3: SAVE_EXTRA_STATE_FOR_SCHEDULE(type); /* Prepare to call scheduler. */ \
- jarl call_scheduler, lp; /* Call scheduler */ \
- di; /* The scheduler enables interrupts */\
- RESTORE_EXTRA_STATE_FOR_SCHEDULE(type); \
- GET_CURRENT_THREAD(r18); \
- ld.w TI_FLAGS[r18], r19; \
- br 5b; /* Continue with return path. */ \
- \
-/* Handle a signal or ptraced process return. \
- r18 should be non-zero if there are pending signals. */ \
-4: /* Not all registers are saved by the normal trap/interrupt entry \
- points (for instance, call-saved registers (because the normal \
- C-compiler calling sequence in the kernel makes sure they're \
- preserved), and call-clobbered registers in the case of \
- traps), but signal handlers may want to examine or change the \
- complete register state. Here we save anything not saved by \
- the normal entry sequence, so that it may be safely restored \
- (in a possibly modified form) after do_signal returns. */ \
- SAVE_EXTRA_STATE(type); /* Save state not saved by entry. */ \
- jarl handle_signal_or_ptrace_return, lp; \
- RESTORE_EXTRA_STATE(type); /* Restore extra regs. */ \
- br 1b
-
-
-/* Jump to the appropriate function for the system call number in r12
- (r12 is not preserved), or return an error if r12 is not valid. The
- LP register should point to the location where the called function
- should return. [note that MAKE_SYS_CALL uses label 1] */
-#define MAKE_SYS_CALL \
- /* Figure out which function to use for this system call. */ \
- shl 2, r12; \
- /* See if the system call number is valid. */ \
- addi lo(CSYM(sys_call_table) - sys_call_table_end), r12, r0; \
- bnh 1f; \
- mov hilo(CSYM(sys_call_table)), r19; \
- add r19, r12; \
- ld.w 0[r12], r12; \
- /* Make the system call. */ \
- jmp [r12]; \
- /* The syscall number is invalid, return an error. */ \
-1: addi -ENOSYS, r0, r10; \
- jmp [lp]
-
-
- .text
-
-/*
- * User trap.
- *
- * Trap 0 system calls are also handled here.
- *
- * The stack-pointer (r3) should have already been saved to the memory
- * location ENTRY_SP (the reason for this is that the interrupt vectors may be
- * beyond a 22-bit signed offset jump from the actual interrupt handler, and
- * this allows them to save the stack-pointer and use that register to do an
- * indirect jump).
- *
- * Syscall protocol:
- * Syscall number in r12, args in r6-r9
- * Return value in r10
- */
-G_ENTRY(trap):
- SAVE_STATE (TRAP, r12, ENTRY_SP) // Save registers.
- stsr SR_ECR, r19 // Find out which trap it was.
- ei // Enable interrupts.
- mov hilo(ret_from_trap), lp // where the trap should return
-
- // The following two shifts (1) clear out extraneous NMI data in the
- // upper 16-bits, (2) convert the 0x40 - 0x5f range of trap ECR
- // numbers into the (0-31) << 2 range we want, (3) set the flags.
- shl 27, r19 // chop off all high bits
- shr 25, r19 // scale back down and then << 2
- bnz 2f // See if not trap 0.
-
- // Trap 0 is a `short' system call, skip general trap table.
- MAKE_SYS_CALL // Jump to the syscall function.
-
-2: // For other traps, use a table lookup.
- mov hilo(CSYM(trap_table)), r18
- add r19, r18
- ld.w 0[r18], r18
- jmp [r18] // Jump to the trap handler.
-END(trap)
-
-/* This is just like ret_from_trap, but first restores extra registers
- saved by some wrappers. */
-L_ENTRY(restore_extra_regs_and_ret_from_trap):
- RESTORE_EXTRA_STATE(TRAP)
- // fall through
-END(restore_extra_regs_and_ret_from_trap)
-
-/* Entry point used to return from a syscall/trap. */
-L_ENTRY(ret_from_trap):
- RETURN(TRAP)
-END(ret_from_trap)
-
-
-/* This the initial entry point for a new child thread, with an appropriate
- stack in place that makes it look that the child is in the middle of an
- syscall. This function is actually `returned to' from switch_thread
- (copy_thread makes ret_from_fork the return address in each new thread's
- saved context). */
-C_ENTRY(ret_from_fork):
- mov r10, r6 // switch_thread returns the prev task.
- jarl CSYM(schedule_tail), lp // ...which is schedule_tail's arg
- mov r0, r10 // Child's fork call should return 0.
- br ret_from_trap // Do normal trap return.
-C_END(ret_from_fork)
-
-
-/*
- * Trap 1: `long' system calls
- * `Long' syscall protocol:
- * Syscall number in r12, args in r6-r9, r13-r14
- * Return value in r10
- */
-L_ENTRY(syscall_long):
- // Push extra arguments on the stack. Note that by default, the trap
- // handler reserves enough stack space for 6 arguments, so we don't
- // have to make any additional room.
- st.w r13, 16[sp] // arg 5
- st.w r14, 20[sp] // arg 6
-
- // Make sure r13 and r14 are preserved, in case we have to restart a
- // system call because of a signal (ep has already been set by caller).
- st.w r13, PTO+PT_GPR(13)[sp]
- st.w r14, PTO+PT_GPR(13)[sp]
- mov hilo(ret_from_long_syscall), lp
-
- MAKE_SYS_CALL // Jump to the syscall function.
-END(syscall_long)
-
-/* Entry point used to return from a long syscall. Only needed to restore
- r13/r14 if the general trap mechanism doesnt' do so. */
-L_ENTRY(ret_from_long_syscall):
- ld.w PTO+PT_GPR(13)[sp], r13 // Restore the extra registers
- ld.w PTO+PT_GPR(13)[sp], r14
- br ret_from_trap // The rest is the same as other traps
-END(ret_from_long_syscall)
-
-
-/* These syscalls need access to the struct pt_regs on the stack, so we
- implement them in assembly (they're basically all wrappers anyway). */
-
-L_ENTRY(sys_fork_wrapper):
-#ifdef CONFIG_MMU
- addi SIGCHLD, r0, r6 // Arg 0: flags
- ld.w PTO+PT_GPR(GPR_SP)[sp], r7 // Arg 1: child SP (use parent's)
- movea PTO, sp, r8 // Arg 2: parent context
- mov r0, r9 // Arg 3/4/5: 0
- st.w r0, 16[sp]
- st.w r0, 20[sp]
- mov hilo(CSYM(do_fork)), r18 // Where the real work gets done
- br save_extra_state_tramp // Save state and go there
-#else
- // fork almost works, enough to trick you into looking elsewhere :-(
- addi -EINVAL, r0, r10
- jmp [lp]
-#endif
-END(sys_fork_wrapper)
-
-L_ENTRY(sys_vfork_wrapper):
- addi CLONE_VFORK | CLONE_VM | SIGCHLD, r0, r6 // Arg 0: flags
- ld.w PTO+PT_GPR(GPR_SP)[sp], r7 // Arg 1: child SP (use parent's)
- movea PTO, sp, r8 // Arg 2: parent context
- mov r0, r9 // Arg 3/4/5: 0
- st.w r0, 16[sp]
- st.w r0, 20[sp]
- mov hilo(CSYM(do_fork)), r18 // Where the real work gets done
- br save_extra_state_tramp // Save state and go there
-END(sys_vfork_wrapper)
-
-L_ENTRY(sys_clone_wrapper):
- ld.w PTO+PT_GPR(GPR_SP)[sp], r19// parent's stack pointer
- cmp r7, r0 // See if child SP arg (arg 1) is 0.
- cmov z, r19, r7, r7 // ... and use the parent's if so.
- movea PTO, sp, r8 // Arg 2: parent context
- mov r0, r9 // Arg 3/4/5: 0
- st.w r0, 16[sp]
- st.w r0, 20[sp]
- mov hilo(CSYM(do_fork)), r18 // Where the real work gets done
- br save_extra_state_tramp // Save state and go there
-END(sys_clone_wrapper)
-
-
-L_ENTRY(sys_execve_wrapper):
- movea PTO, sp, r9 // add user context as 4th arg
- jr CSYM(sys_execve) // Do real work (tail-call).
-END(sys_execve_wrapper)
-
-
-L_ENTRY(sys_sigsuspend_wrapper):
- movea PTO, sp, r7 // add user context as 2nd arg
- mov hilo(CSYM(sys_sigsuspend)), r18 // syscall function
- jarl save_extra_state_tramp, lp // Save state and do it
- br restore_extra_regs_and_ret_from_trap
-END(sys_sigsuspend_wrapper)
-L_ENTRY(sys_rt_sigsuspend_wrapper):
- movea PTO, sp, r8 // add user context as 3rd arg
- mov hilo(CSYM(sys_rt_sigsuspend)), r18 // syscall function
- jarl save_extra_state_tramp, lp // Save state and do it
- br restore_extra_regs_and_ret_from_trap
-END(sys_rt_sigsuspend_wrapper)
-
-L_ENTRY(sys_sigreturn_wrapper):
- movea PTO, sp, r6 // add user context as 1st arg
- mov hilo(CSYM(sys_sigreturn)), r18 // syscall function
- jarl save_extra_state_tramp, lp // Save state and do it
- br restore_extra_regs_and_ret_from_trap
-END(sys_sigreturn_wrapper)
-L_ENTRY(sys_rt_sigreturn_wrapper):
- movea PTO, sp, r6 // add user context as 1st arg
- mov hilo(CSYM(sys_rt_sigreturn)), r18// syscall function
- jarl save_extra_state_tramp, lp // Save state and do it
- br restore_extra_regs_and_ret_from_trap
-END(sys_rt_sigreturn_wrapper)
-
-
-/* Save any state not saved by SAVE_STATE(TRAP), and jump to r18.
- It's main purpose is to share the rather lengthy code sequence that
- SAVE_STATE expands into among the above wrapper functions. */
-L_ENTRY(save_extra_state_tramp):
- SAVE_EXTRA_STATE(TRAP) // Save state not saved by entry.
- jmp [r18] // Do the work the caller wants
-END(save_extra_state_tramp)
-
-
-/*
- * Hardware maskable interrupts.
- *
- * The stack-pointer (r3) should have already been saved to the memory
- * location ENTRY_SP (the reason for this is that the interrupt vectors may be
- * beyond a 22-bit signed offset jump from the actual interrupt handler, and
- * this allows them to save the stack-pointer and use that register to do an
- * indirect jump).
- */
-G_ENTRY(irq):
- SAVE_STATE (IRQ, r0, ENTRY_SP) // Save registers.
-
- stsr SR_ECR, r6 // Find out which interrupt it was.
- movea PTO, sp, r7 // User regs are arg2
-
- // All v850 implementations I know about encode their interrupts as
- // multiples of 0x10, starting at 0x80 (after NMIs and software
- // interrupts). Convert this number into a simple IRQ index for the
- // rest of the kernel. We also clear the upper 16 bits, which hold
- // NMI info, and don't appear to be cleared when a NMI returns.
- shl 16, r6 // clear upper 16 bits
- shr 20, r6 // shift back, and remove lower nibble
- add -8, r6 // remove bias for irqs
-
- // Call the high-level interrupt handling code.
- jarl CSYM(handle_irq), lp
-
- RETURN(IRQ)
-END(irq)
-
-
-/*
- * Debug trap / illegal-instruction exception
- *
- * The stack-pointer (r3) should have already been saved to the memory
- * location ENTRY_SP (the reason for this is that the interrupt vectors may be
- * beyond a 22-bit signed offset jump from the actual interrupt handler, and
- * this allows them to save the stack-pointer and use that register to do an
- * indirect jump).
- */
-G_ENTRY(dbtrap):
- SAVE_STATE (DBTRAP, r0, ENTRY_SP)// Save registers.
-
- /* First see if we came from kernel mode; if so, the dbtrap
- instruction has a special meaning, to set the DIR (`debug
- information register') register. This is because the DIR register
- can _only_ be manipulated/read while in `debug mode,' and debug
- mode is only active while we're inside the dbtrap handler. The
- exact functionality is: { DIR = (DIR | r6) & ~r7; return DIR; }. */
- ld.b PTO+PT_KERNEL_MODE[sp], r19
- cmp r19, r0
- bz 1f
-
- stsr SR_DIR, r10
- or r6, r10
- not r7, r7
- and r7, r10
- ldsr r10, SR_DIR
- stsr SR_DIR, r10 // Confirm the value we set
- st.w r10, PTO+PT_GPR(10)[sp] // return it
- br 3f
-
-1: ei // Enable interrupts.
-
- /* The default signal type we raise. */
- mov SIGTRAP, r6
-
- /* See if it's a single-step trap. */
- stsr SR_DBPSW, r19
- andi 0x0800, r19, r19
- bnz 2f
-
- /* Look to see if the preceding instruction was is a dbtrap or not,
- to decide which signal we should use. */
- stsr SR_DBPC, r19 // PC following trapping insn
- ld.hu -2[r19], r19
- ori 0xf840, r0, r20 // DBTRAP insn
- cmp r19, r20 // Was this trap caused by DBTRAP?
- cmov ne, SIGILL, r6, r6 // Choose signal appropriately
-
- /* Raise the desired signal. */
-2: mov CURRENT_TASK, r7 // Arg 1: task
- jarl CSYM(send_sig), lp // tail call
-
-3: RETURN(DBTRAP)
-END(dbtrap)
-
-
-/*
- * Hardware non-maskable interrupts.
- *
- * The stack-pointer (r3) should have already been saved to the memory
- * location ENTRY_SP (the reason for this is that the interrupt vectors may be
- * beyond a 22-bit signed offset jump from the actual interrupt handler, and
- * this allows them to save the stack-pointer and use that register to do an
- * indirect jump).
- */
-G_ENTRY(nmi):
- SAVE_STATE (NMI, r0, NMI_ENTRY_SP); /* Save registers. */
-
- stsr SR_ECR, r6; /* Find out which nmi it was. */
- shr 20, r6; /* Extract NMI code in bits 20-24. */
- movea PTO, sp, r7; /* User regs are arg2. */
-
- /* Non-maskable interrupts always lie right after maskable interrupts.
- Call the generic IRQ handler, with two arguments, the IRQ number,
- and a pointer to the user registers, to handle the specifics.
- (we subtract one because the first NMI has code 1). */
- addi FIRST_NMI - 1, r6, r6
- jarl CSYM(handle_irq), lp
-
- RETURN(NMI)
-END(nmi)
-
-
-/*
- * Trap with no handler
- */
-L_ENTRY(bad_trap_wrapper):
- mov r19, r6 // Arg 0: trap number
- movea PTO, sp, r7 // Arg 1: user regs
- jr CSYM(bad_trap) // tail call handler
-END(bad_trap_wrapper)
-
-
-/*
- * Invoke the scheduler, called from the trap/irq kernel exit path.
- *
- * This basically just calls `schedule', but also arranges for extra
- * registers to be saved for ptrace'd processes, so ptrace can modify them.
- */
-L_ENTRY(call_scheduler):
- ld.w TASK_PTRACE[CURRENT_TASK], r19 // See if task is ptrace'd
- cmp r19, r0
- bnz 1f // ... yes, do special stuff
- jr CSYM(schedule) // ... no, just tail-call scheduler
-
- // Save extra regs for ptrace'd task. We want to save anything
- // that would otherwise only be `implicitly' saved by the normal
- // compiler calling-convention.
-1: mov sp, ep // Setup EP for SAVE_CALL_SAVED_REGS
- SAVE_CALL_SAVED_REGS // Save call-saved registers to stack
- mov lp, r20 // Save LP in a callee-saved register
-
- jarl CSYM(schedule), lp // Call scheduler
-
- mov r20, lp
- mov sp, ep // We can't rely on EP after return
- RESTORE_CALL_SAVED_REGS // Restore (possibly modified) regs
- jmp [lp] // Return to the return path
-END(call_scheduler)
-
-
-/*
- * This is an out-of-line handler for two special cases during the kernel
- * trap/irq exit sequence:
- *
- * (1) If r18 is non-zero then a signal needs to be handled, which is
- * done, and then the caller returned to.
- *
- * (2) If r18 is non-zero then we're returning to a ptraced process, which
- * has several special cases -- single-stepping and trap tracing, both
- * of which require using the `dbret' instruction to exit the kernel
- * instead of the normal `reti' (this is because the CPU not correctly
- * single-step after a reti). In this case, of course, this handler
- * never returns to the caller.
- *
- * In either case, all registers should have been saved to the current
- * state-save-frame on the stack, except for callee-saved registers.
- *
- * [These two different cases are combined merely to avoid bloating the
- * macro-inlined code, not because they really make much sense together!]
- */
-L_ENTRY(handle_signal_or_ptrace_return):
- cmp r18, r0 // See if handling a signal
- bz 1f // ... nope, go do ptrace return
-
- // Handle a signal
- mov lp, r20 // Save link-pointer
- mov r10, r21 // Save return-values (for trap)
- mov r11, r22
-
- movea PTO, sp, r6 // Arg 1: struct pt_regs *regs
- mov r0, r7 // Arg 2: sigset_t *oldset
- jarl CSYM(do_signal), lp // Handle the signal
- di // sig handling enables interrupts
-
- mov r20, lp // Restore link-pointer
- mov r21, r10 // Restore return-values (for trap)
- mov r22, r11
- ld.w TASK_PTRACE[CURRENT_TASK], r19 // check ptrace flags too
- cmp r19, r0
- bnz 1f // ... some set, so look more
-2: jmp [lp] // ... none set, so return normally
-
- // ptrace return
-1: ld.w PTO+PT_PSW[sp], r19 // Look at user-processes's flags
- andi 0x0800, r19, r19 // See if single-step flag is set
- bz 2b // ... nope, return normally
-
- // Return as if from a dbtrap insn
- st.b r0, KM // Now officially in user state.
- POP_STATE(DBTRAP) // Restore regs
- st.w sp, KSP // Save the kernel stack pointer.
- ld.w PT_GPR(GPR_SP)-PT_SIZE[sp], sp // Restore user stack pointer.
- DBTRAP_RET // Return from the trap/interrupt.
-END(handle_signal_or_ptrace_return)
-
-
-/*
- * This is where we switch between two threads. The arguments are:
- * r6 -- pointer to the struct thread for the `current' process
- * r7 -- pointer to the struct thread for the `new' process.
- * when this function returns, it will return to the new thread.
- */
-C_ENTRY(switch_thread):
- // Return the previous task (r10 is not clobbered by restore below)
- mov CURRENT_TASK, r10
- // First, push the current processor state on the stack
- PUSH_STATE(SWITCH)
- // Now save the location of the kernel stack pointer for this thread;
- // since we've pushed all other state on the stack, this is enough to
- // restore it all later.
- st.w sp, THREAD_KSP[r6]
- // Now restore the stack pointer from the new process
- ld.w THREAD_KSP[r7], sp
- // ... and restore all state from that
- POP_STATE(SWITCH)
- // Update the current task pointer
- GET_CURRENT_TASK(CURRENT_TASK)
- // Now return into the new thread
- jmp [lp]
-C_END(switch_thread)
-
-
- .data
-
- .align 4
-C_DATA(trap_table):
- .long bad_trap_wrapper // trap 0, doesn't use trap table.
- .long syscall_long // trap 1, `long' syscall.
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
- .long bad_trap_wrapper
-C_END(trap_table)
-
-
- .section .rodata
-
- .align 4
-C_DATA(sys_call_table):
- .long CSYM(sys_restart_syscall) // 0
- .long CSYM(sys_exit)
- .long sys_fork_wrapper
- .long CSYM(sys_read)
- .long CSYM(sys_write)
- .long CSYM(sys_open) // 5
- .long CSYM(sys_close)
- .long CSYM(sys_waitpid)
- .long CSYM(sys_creat)
- .long CSYM(sys_link)
- .long CSYM(sys_unlink) // 10
- .long sys_execve_wrapper
- .long CSYM(sys_chdir)
- .long CSYM(sys_time)
- .long CSYM(sys_mknod)
- .long CSYM(sys_chmod) // 15
- .long CSYM(sys_chown)
- .long CSYM(sys_ni_syscall) // was: break
- .long CSYM(sys_ni_syscall) // was: oldstat (aka stat)
- .long CSYM(sys_lseek)
- .long CSYM(sys_getpid) // 20
- .long CSYM(sys_mount)
- .long CSYM(sys_oldumount)
- .long CSYM(sys_setuid)
- .long CSYM(sys_getuid)
- .long CSYM(sys_stime) // 25
- .long CSYM(sys_ptrace)
- .long CSYM(sys_alarm)
- .long CSYM(sys_ni_syscall) // was: oldfstat (aka fstat)
- .long CSYM(sys_pause)
- .long CSYM(sys_utime) // 30
- .long CSYM(sys_ni_syscall) // was: stty
- .long CSYM(sys_ni_syscall) // was: gtty
- .long CSYM(sys_access)
- .long CSYM(sys_nice)
- .long CSYM(sys_ni_syscall) // 35, was: ftime
- .long CSYM(sys_sync)
- .long CSYM(sys_kill)
- .long CSYM(sys_rename)
- .long CSYM(sys_mkdir)
- .long CSYM(sys_rmdir) // 40
- .long CSYM(sys_dup)
- .long CSYM(sys_pipe)
- .long CSYM(sys_times)
- .long CSYM(sys_ni_syscall) // was: prof
- .long CSYM(sys_brk) // 45
- .long CSYM(sys_setgid)
- .long CSYM(sys_getgid)
- .long CSYM(sys_signal)
- .long CSYM(sys_geteuid)
- .long CSYM(sys_getegid) // 50
- .long CSYM(sys_acct)
- .long CSYM(sys_umount) // recycled never used phys()
- .long CSYM(sys_ni_syscall) // was: lock
- .long CSYM(sys_ioctl)
- .long CSYM(sys_fcntl) // 55
- .long CSYM(sys_ni_syscall) // was: mpx
- .long CSYM(sys_setpgid)
- .long CSYM(sys_ni_syscall) // was: ulimit
- .long CSYM(sys_ni_syscall)
- .long CSYM(sys_umask) // 60
- .long CSYM(sys_chroot)
- .long CSYM(sys_ustat)
- .long CSYM(sys_dup2)
- .long CSYM(sys_getppid)
- .long CSYM(sys_getpgrp) // 65
- .long CSYM(sys_setsid)
- .long CSYM(sys_sigaction)
- .long CSYM(sys_sgetmask)
- .long CSYM(sys_ssetmask)
- .long CSYM(sys_setreuid) // 70
- .long CSYM(sys_setregid)
- .long sys_sigsuspend_wrapper
- .long CSYM(sys_sigpending)
- .long CSYM(sys_sethostname)
- .long CSYM(sys_setrlimit) // 75
- .long CSYM(sys_getrlimit)
- .long CSYM(sys_getrusage)
- .long CSYM(sys_gettimeofday)
- .long CSYM(sys_settimeofday)
- .long CSYM(sys_getgroups) // 80
- .long CSYM(sys_setgroups)
- .long CSYM(sys_select)
- .long CSYM(sys_symlink)
- .long CSYM(sys_ni_syscall) // was: oldlstat (aka lstat)
- .long CSYM(sys_readlink) // 85
- .long CSYM(sys_uselib)
- .long CSYM(sys_swapon)
- .long CSYM(sys_reboot)
- .long CSYM(old_readdir)
- .long CSYM(sys_mmap) // 90
- .long CSYM(sys_munmap)
- .long CSYM(sys_truncate)
- .long CSYM(sys_ftruncate)
- .long CSYM(sys_fchmod)
- .long CSYM(sys_fchown) // 95
- .long CSYM(sys_getpriority)
- .long CSYM(sys_setpriority)
- .long CSYM(sys_ni_syscall) // was: profil
- .long CSYM(sys_statfs)
- .long CSYM(sys_fstatfs) // 100
- .long CSYM(sys_ni_syscall) // i386: ioperm
- .long CSYM(sys_socketcall)
- .long CSYM(sys_syslog)
- .long CSYM(sys_setitimer)
- .long CSYM(sys_getitimer) // 105
- .long CSYM(sys_newstat)
- .long CSYM(sys_newlstat)
- .long CSYM(sys_newfstat)
- .long CSYM(sys_ni_syscall) // was: olduname (aka uname)
- .long CSYM(sys_ni_syscall) // 110, i386: iopl
- .long CSYM(sys_vhangup)
- .long CSYM(sys_ni_syscall) // was: idle
- .long CSYM(sys_ni_syscall) // i386: vm86old
- .long CSYM(sys_wait4)
- .long CSYM(sys_swapoff) // 115
- .long CSYM(sys_sysinfo)
- .long CSYM(sys_ipc)
- .long CSYM(sys_fsync)
- .long sys_sigreturn_wrapper
- .long sys_clone_wrapper // 120
- .long CSYM(sys_setdomainname)
- .long CSYM(sys_newuname)
- .long CSYM(sys_ni_syscall) // i386: modify_ldt, m68k: cacheflush
- .long CSYM(sys_adjtimex)
- .long CSYM(sys_ni_syscall) // 125 - sys_mprotect
- .long CSYM(sys_sigprocmask)
- .long CSYM(sys_ni_syscall) // sys_create_module
- .long CSYM(sys_init_module)
- .long CSYM(sys_delete_module)
- .long CSYM(sys_ni_syscall) // 130 - sys_get_kernel_syms
- .long CSYM(sys_quotactl)
- .long CSYM(sys_getpgid)
- .long CSYM(sys_fchdir)
- .long CSYM(sys_bdflush)
- .long CSYM(sys_sysfs) // 135
- .long CSYM(sys_personality)
- .long CSYM(sys_ni_syscall) // for afs_syscall
- .long CSYM(sys_setfsuid)
- .long CSYM(sys_setfsgid)
- .long CSYM(sys_llseek) // 140
- .long CSYM(sys_getdents)
- .long CSYM(sys_select) // for backward compat; remove someday
- .long CSYM(sys_flock)
- .long CSYM(sys_ni_syscall) // sys_msync
- .long CSYM(sys_readv) // 145
- .long CSYM(sys_writev)
- .long CSYM(sys_getsid)
- .long CSYM(sys_fdatasync)
- .long CSYM(sys_sysctl)
- .long CSYM(sys_ni_syscall) // 150 - sys_mlock
- .long CSYM(sys_ni_syscall) // sys_munlock
- .long CSYM(sys_ni_syscall) // sys_mlockall
- .long CSYM(sys_ni_syscall) // sys_munlockall
- .long CSYM(sys_sched_setparam)
- .long CSYM(sys_sched_getparam) // 155
- .long CSYM(sys_sched_setscheduler)
- .long CSYM(sys_sched_getscheduler)
- .long CSYM(sys_sched_yield)
- .long CSYM(sys_sched_get_priority_max)
- .long CSYM(sys_sched_get_priority_min) // 160
- .long CSYM(sys_sched_rr_get_interval)
- .long CSYM(sys_nanosleep)
- .long CSYM(sys_ni_syscall) // sys_mremap
- .long CSYM(sys_setresuid)
- .long CSYM(sys_getresuid) // 165
- .long CSYM(sys_ni_syscall) // for vm86
- .long CSYM(sys_ni_syscall) // sys_query_module
- .long CSYM(sys_poll)
- .long CSYM(sys_nfsservctl)
- .long CSYM(sys_setresgid) // 170
- .long CSYM(sys_getresgid)
- .long CSYM(sys_prctl)
- .long sys_rt_sigreturn_wrapper
- .long CSYM(sys_rt_sigaction)
- .long CSYM(sys_rt_sigprocmask) // 175
- .long CSYM(sys_rt_sigpending)
- .long CSYM(sys_rt_sigtimedwait)
- .long CSYM(sys_rt_sigqueueinfo)
- .long sys_rt_sigsuspend_wrapper
- .long CSYM(sys_pread64) // 180
- .long CSYM(sys_pwrite64)
- .long CSYM(sys_lchown)
- .long CSYM(sys_getcwd)
- .long CSYM(sys_capget)
- .long CSYM(sys_capset) // 185
- .long CSYM(sys_sigaltstack)
- .long CSYM(sys_sendfile)
- .long CSYM(sys_ni_syscall) // streams1
- .long CSYM(sys_ni_syscall) // streams2
- .long sys_vfork_wrapper // 190
- .long CSYM(sys_ni_syscall)
- .long CSYM(sys_mmap2)
- .long CSYM(sys_truncate64)
- .long CSYM(sys_ftruncate64)
- .long CSYM(sys_stat64) // 195
- .long CSYM(sys_lstat64)
- .long CSYM(sys_fstat64)
- .long CSYM(sys_fcntl64)
- .long CSYM(sys_getdents64)
- .long CSYM(sys_pivot_root) // 200
- .long CSYM(sys_gettid)
- .long CSYM(sys_tkill)
-sys_call_table_end:
-C_END(sys_call_table)
diff --git a/arch/v850/kernel/fpga85e2c.c b/arch/v850/kernel/fpga85e2c.c
deleted file mode 100644
index ab9cf16a85c..00000000000
--- a/arch/v850/kernel/fpga85e2c.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * arch/v850/kernel/fpga85e2c.h -- Machine-dependent defs for
- * FPGA implementation of V850E2/NA85E2C
- *
- * Copyright (C) 2002,03 NEC Electronics Corporation
- * Copyright (C) 2002,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/bootmem.h>
-#include <linux/irq.h>
-#include <linux/bitops.h>
-
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/machdep.h>
-
-#include "mach.h"
-
-extern void memcons_setup (void);
-
-
-#define REG_DUMP_ADDR 0x220000
-
-
-extern struct irqaction reg_snap_action; /* fwd decl */
-
-
-void __init mach_early_init (void)
-{
- int i;
- const u32 *src;
- register u32 *dst asm ("ep");
- extern u32 _intv_end, _intv_load_start;
-
- /* Set bus sizes: CS0 32-bit, CS1 16-bit, CS7 8-bit,
- everything else 32-bit. */
- V850E2_BSC = 0x2AA6;
- for (i = 2; i <= 6; i++)
- CSDEV(i) = 0; /* 32 bit */
-
- /* Ensure that the simulator halts on a panic, instead of going
- into an infinite loop inside the panic function. */
- panic_timeout = -1;
-
- /* Move the interrupt vectors into their real location. Note that
- any relocations there are relative to the real location, so we
- don't have to fix anything up. We use a loop instead of calling
- memcpy to keep this a leaf function (to avoid a function
- prologue being generated). */
- dst = 0x10; /* &_intv_start + 0x10. */
- src = &_intv_load_start;
- do {
- u32 t0 = src[0], t1 = src[1], t2 = src[2], t3 = src[3];
- u32 t4 = src[4], t5 = src[5], t6 = src[6], t7 = src[7];
- dst[0] = t0; dst[1] = t1; dst[2] = t2; dst[3] = t3;
- dst[4] = t4; dst[5] = t5; dst[6] = t6; dst[7] = t7;
- dst += 8;
- src += 8;
- } while (dst < &_intv_end);
-}
-
-void __init mach_setup (char **cmdline)
-{
- memcons_setup ();
-
- /* Setup up NMI0 to copy the registers to a known memory location.
- The FGPA board has a button that produces NMI0 when pressed, so
- this allows us to push the button, and then look at memory to see
- what's in the registers (there's no other way to easily do so).
- We have to use `setup_irq' instead of `request_irq' because it's
- still too early to do memory allocation. */
- setup_irq (IRQ_NMI (0), &reg_snap_action);
-}
-
-void mach_get_physical_ram (unsigned long *ram_start, unsigned long *ram_len)
-{
- *ram_start = ERAM_ADDR;
- *ram_len = ERAM_SIZE;
-}
-
-void __init mach_sched_init (struct irqaction *timer_action)
-{
- /* Setup up the timer interrupt. The FPGA peripheral control
- registers _only_ work with single-bit writes (set1/clr1)! */
- __clear_bit (RPU_GTMC_CE_BIT, &RPU_GTMC);
- __clear_bit (RPU_GTMC_CLK_BIT, &RPU_GTMC);
- __set_bit (RPU_GTMC_CE_BIT, &RPU_GTMC);
-
- /* We use the first RPU interrupt, which occurs every 8.192ms. */
- setup_irq (IRQ_RPU (0), timer_action);
-}
-
-
-void mach_gettimeofday (struct timespec *tv)
-{
- tv->tv_sec = 0;
- tv->tv_nsec = 0;
-}
-
-void machine_halt (void) __attribute__ ((noreturn));
-void machine_halt (void)
-{
- for (;;) {
- DWC(0) = 0x7777;
- DWC(1) = 0x7777;
- ASC = 0xffff;
- FLGREG(0) = 1; /* Halt immediately. */
- asm ("di; halt; nop; nop; nop; nop; nop");
- }
-}
-
-void machine_restart (char *__unused)
-{
- machine_halt ();
-}
-
-void machine_power_off (void)
-{
- machine_halt ();
-}
-
-
-/* Interrupts */
-
-struct v850e_intc_irq_init irq_inits[] = {
- { "IRQ", 0, NUM_MACH_IRQS, 1, 7 },
- { "RPU", IRQ_RPU(0), IRQ_RPU_NUM, 1, 6 },
- { 0 }
-};
-#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1)
-
-struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS];
-
-/* Initialize interrupts. */
-void __init mach_init_irqs (void)
-{
- v850e_intc_init_irq_types (irq_inits, hw_itypes);
-}
-
-
-/* An interrupt handler that copies the registers to a known memory location,
- for debugging purposes. */
-
-static void make_reg_snap (int irq, void *dummy, struct pt_regs *regs)
-{
- (*(unsigned *)REG_DUMP_ADDR)++;
- (*(struct pt_regs *)(REG_DUMP_ADDR + sizeof (unsigned))) = *regs;
-}
-
-static int reg_snap_dev_id;
-static struct irqaction reg_snap_action = {
- .handler = make_reg_snap,
- .mask = CPU_MASK_NONE,
- .name = "reg_snap",
- .dev_id = &reg_snap_dev_id,
-};
diff --git a/arch/v850/kernel/fpga85e2c.ld b/arch/v850/kernel/fpga85e2c.ld
deleted file mode 100644
index b5d4578ae41..00000000000
--- a/arch/v850/kernel/fpga85e2c.ld
+++ /dev/null
@@ -1,62 +0,0 @@
-/* Linker script for the FPGA implementation of the V850E2 NA85E2C cpu core
- (CONFIG_V850E2_FPGA85E2C). */
-
-MEMORY {
- /* Reset vector. */
- RESET : ORIGIN = 0, LENGTH = 0x10
- /* Interrupt vectors. */
- INTV : ORIGIN = 0x10, LENGTH = 0x470
- /* The `window' in RAM were we're allowed to load stuff. */
- RAM_LOW : ORIGIN = 0x480, LENGTH = 0x0005FB80
- /* Some more ram above the window were we can put bss &c. */
- RAM_HIGH : ORIGIN = 0x00060000, LENGTH = 0x000A0000
- /* This is the area visible from the outside world (we can use
- this only for uninitialized data). */
- VISIBLE : ORIGIN = 0x00200000, LENGTH = 0x00060000
-}
-
-SECTIONS {
- .reset : {
- __kram_start = . ;
- __intv_start = . ;
- *(.intv.reset) /* Reset vector */
- } > RESET
-
- .ram_low : {
- __r0_ram = . ; /* Must be near address 0. */
- . = . + 32 ;
-
- TEXT_CONTENTS
- DATA_CONTENTS
- ROOT_FS_CONTENTS
- RAMK_INIT_CONTENTS_NO_END
- INITRAMFS_CONTENTS
- } > RAM_LOW
-
- /* Where the interrupt vectors are initially loaded. */
- __intv_load_start = . ;
-
- .intv : {
- *(.intv.common) /* Vectors common to all v850e proc. */
- *(.intv.mach) /* Machine-specific int. vectors. */
- __intv_end = . ;
- } > INTV AT> RAM_LOW
-
- .ram_high : {
- /* This is here so that when we free init memory the
- load-time copy of the interrupt vectors and any empty
- space at the end of the `RAM_LOW' area is freed too. */
- . = ALIGN (4096);
- __init_end = . ;
-
- BSS_CONTENTS
- __kram_end = . ;
- BOOTMAP_CONTENTS
- } > RAM_HIGH
-
- .visible : {
- _memcons_output = . ;
- . = . + 0x8000 ;
- _memcons_output_end = . ;
- } > VISIBLE
-}
diff --git a/arch/v850/kernel/gbus_int.c b/arch/v850/kernel/gbus_int.c
deleted file mode 100644
index b2bcc251f65..00000000000
--- a/arch/v850/kernel/gbus_int.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * arch/v850/kernel/gbus_int.c -- Midas labs GBUS interrupt support
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/signal.h>
-#include <linux/kernel.h>
-
-#include <asm/machdep.h>
-
-
-/* The number of shared GINT interrupts. */
-#define NUM_GINTS 4
-
-/* For each GINT interrupt, how many GBUS interrupts are using it. */
-static unsigned gint_num_active_irqs[NUM_GINTS] = { 0 };
-
-/* A table of GINTn interrupts we actually use.
- Note that we don't use GINT0 because all the boards we support treat it
- specially. */
-struct used_gint {
- unsigned gint;
- unsigned priority;
-} used_gint[] = {
- { 1, GBUS_INT_PRIORITY_HIGH },
- { 3, GBUS_INT_PRIORITY_LOW }
-};
-#define NUM_USED_GINTS ARRAY_SIZE(used_gint)
-
-/* A table of which GINT is used by each GBUS interrupts (they are
- assigned based on priority). */
-static unsigned char gbus_int_gint[IRQ_GBUS_INT_NUM];
-
-
-/* Interrupt enabling/disabling. */
-
-/* Enable interrupt handling for interrupt IRQ. */
-void gbus_int_enable_irq (unsigned irq)
-{
- unsigned gint = gbus_int_gint[irq - GBUS_INT_BASE_IRQ];
- GBUS_INT_ENABLE (GBUS_INT_IRQ_WORD(irq), gint)
- |= GBUS_INT_IRQ_MASK (irq);
-}
-
-/* Disable interrupt handling for interrupt IRQ. Note that any
- interrupts received while disabled will be delivered once the
- interrupt is enabled again, unless they are explicitly cleared using
- `gbus_int_clear_pending_irq'. */
-void gbus_int_disable_irq (unsigned irq)
-{
- unsigned gint = gbus_int_gint[irq - GBUS_INT_BASE_IRQ];
- GBUS_INT_ENABLE (GBUS_INT_IRQ_WORD(irq), gint)
- &= ~GBUS_INT_IRQ_MASK (irq);
-}
-
-/* Return true if interrupt handling for interrupt IRQ is enabled. */
-int gbus_int_irq_enabled (unsigned irq)
-{
- unsigned gint = gbus_int_gint[irq - GBUS_INT_BASE_IRQ];
- return (GBUS_INT_ENABLE (GBUS_INT_IRQ_WORD(irq), gint)
- & GBUS_INT_IRQ_MASK(irq));
-}
-
-/* Disable all GBUS irqs. */
-void gbus_int_disable_irqs ()
-{
- unsigned w, n;
- for (w = 0; w < GBUS_INT_NUM_WORDS; w++)
- for (n = 0; n < IRQ_GINT_NUM; n++)
- GBUS_INT_ENABLE (w, n) = 0;
-}
-
-/* Clear any pending interrupts for IRQ. */
-void gbus_int_clear_pending_irq (unsigned irq)
-{
- GBUS_INT_CLEAR (GBUS_INT_IRQ_WORD(irq)) = GBUS_INT_IRQ_MASK (irq);
-}
-
-/* Return true if interrupt IRQ is pending (but disabled). */
-int gbus_int_irq_pending (unsigned irq)
-{
- return (GBUS_INT_STATUS (GBUS_INT_IRQ_WORD(irq))
- & GBUS_INT_IRQ_MASK(irq));
-}
-
-
-/* Delegating interrupts. */
-
-/* Handle a shared GINT interrupt by passing to the appropriate GBUS
- interrupt handler. */
-static irqreturn_t gbus_int_handle_irq (int irq, void *dev_id,
- struct pt_regs *regs)
-{
- unsigned w;
- irqreturn_t rval = IRQ_NONE;
- unsigned gint = irq - IRQ_GINT (0);
-
- for (w = 0; w < GBUS_INT_NUM_WORDS; w++) {
- unsigned status = GBUS_INT_STATUS (w);
- unsigned enable = GBUS_INT_ENABLE (w, gint);
-
- /* Only pay attention to enabled interrupts. */
- status &= enable;
- if (status) {
- irq = IRQ_GBUS_INT (w * GBUS_INT_BITS_PER_WORD);
- do {
- /* There's an active interrupt in word
- W, find out which one, and call its
- handler. */
-
- while (! (status & 0x1)) {
- irq++;
- status >>= 1;
- }
- status &= ~0x1;
-
- /* Recursively call handle_irq to handle it. */
- handle_irq (irq, regs);
- rval = IRQ_HANDLED;
- } while (status);
- }
- }
-
- /* Toggle the `all enable' bit back and forth, which should cause
- another edge transition if there are any other interrupts
- still pending, and so result in another CPU interrupt. */
- GBUS_INT_ENABLE (0, gint) &= ~0x1;
- GBUS_INT_ENABLE (0, gint) |= 0x1;
-
- return rval;
-}
-
-
-/* Initialize GBUS interrupt sources. */
-
-static void irq_nop (unsigned irq) { }
-
-static unsigned gbus_int_startup_irq (unsigned irq)
-{
- unsigned gint = gbus_int_gint[irq - GBUS_INT_BASE_IRQ];
-
- if (gint_num_active_irqs[gint] == 0) {
- /* First enable the CPU interrupt. */
- int rval =
- request_irq (IRQ_GINT(gint), gbus_int_handle_irq,
- IRQF_DISABLED,
- "gbus_int_handler",
- &gint_num_active_irqs[gint]);
- if (rval != 0)
- return rval;
- }
-
- gint_num_active_irqs[gint]++;
-
- gbus_int_clear_pending_irq (irq);
- gbus_int_enable_irq (irq);
-
- return 0;
-}
-
-static void gbus_int_shutdown_irq (unsigned irq)
-{
- unsigned gint = gbus_int_gint[irq - GBUS_INT_BASE_IRQ];
-
- gbus_int_disable_irq (irq);
-
- if (--gint_num_active_irqs[gint] == 0)
- /* Disable the CPU interrupt. */
- free_irq (IRQ_GINT(gint), &gint_num_active_irqs[gint]);
-}
-
-/* Initialize HW_IRQ_TYPES for INTC-controlled irqs described in array
- INITS (which is terminated by an entry with the name field == 0). */
-void __init gbus_int_init_irq_types (struct gbus_int_irq_init *inits,
- struct hw_interrupt_type *hw_irq_types)
-{
- struct gbus_int_irq_init *init;
- for (init = inits; init->name; init++) {
- unsigned i;
- struct hw_interrupt_type *hwit = hw_irq_types++;
-
- hwit->typename = init->name;
-
- hwit->startup = gbus_int_startup_irq;
- hwit->shutdown = gbus_int_shutdown_irq;
- hwit->enable = gbus_int_enable_irq;
- hwit->disable = gbus_int_disable_irq;
- hwit->ack = irq_nop;
- hwit->end = irq_nop;
-
- /* Initialize kernel IRQ infrastructure for this interrupt. */
- init_irq_handlers(init->base, init->num, init->interval, hwit);
-
- /* Set the interrupt priorities. */
- for (i = 0; i < init->num; i++) {
- unsigned j;
- for (j = 0; j < NUM_USED_GINTS; j++)
- if (used_gint[j].priority > init->priority)
- break;
- /* Wherever we stopped looking is one past the
- GINT we want. */
- gbus_int_gint[init->base + i * init->interval
- - GBUS_INT_BASE_IRQ]
- = used_gint[j > 0 ? j - 1 : 0].gint;
- }
- }
-}
-
-
-/* Initialize IRQS. */
-
-/* Chip interrupts (GINTn) shared among GBUS interrupts. */
-static struct hw_interrupt_type gint_hw_itypes[NUM_USED_GINTS];
-
-
-/* GBUS interrupts themselves. */
-
-struct gbus_int_irq_init gbus_irq_inits[] __initdata = {
- /* First set defaults. */
- { "GBUS_INT", IRQ_GBUS_INT(0), IRQ_GBUS_INT_NUM, 1, 6},
- { 0 }
-};
-#define NUM_GBUS_IRQ_INITS (ARRAY_SIZE(gbus_irq_inits) - 1)
-
-static struct hw_interrupt_type gbus_hw_itypes[NUM_GBUS_IRQ_INITS];
-
-
-/* Initialize GBUS interrupts. */
-void __init gbus_int_init_irqs (void)
-{
- unsigned i;
-
- /* First initialize the shared gint interrupts. */
- for (i = 0; i < NUM_USED_GINTS; i++) {
- unsigned gint = used_gint[i].gint;
- struct v850e_intc_irq_init gint_irq_init[2];
-
- /* We initialize one GINT interrupt at a time. */
- gint_irq_init[0].name = "GINT";
- gint_irq_init[0].base = IRQ_GINT (gint);
- gint_irq_init[0].num = 1;
- gint_irq_init[0].interval = 1;
- gint_irq_init[0].priority = used_gint[i].priority;
-
- gint_irq_init[1].name = 0; /* Terminate the vector. */
-
- v850e_intc_init_irq_types (gint_irq_init, gint_hw_itypes);
- }
-
- /* Then the GBUS interrupts. */
- gbus_int_disable_irqs ();
- gbus_int_init_irq_types (gbus_irq_inits, gbus_hw_itypes);
- /* Turn on the `all enable' bits, which are ANDed with
- individual interrupt enable bits; we only want to bother with
- the latter. They are the first bit in the first word of each
- interrupt-enable area. */
- for (i = 0; i < NUM_USED_GINTS; i++)
- GBUS_INT_ENABLE (0, used_gint[i].gint) = 0x1;
-}
diff --git a/arch/v850/kernel/head.S b/arch/v850/kernel/head.S
deleted file mode 100644
index c490b937ef1..00000000000
--- a/arch/v850/kernel/head.S
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * arch/v850/kernel/head.S -- Lowest-level startup code
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <asm/clinkage.h>
-#include <asm/current.h>
-#include <asm/entry.h>
-#include <asm/thread_info.h>
-#include <asm/irq.h>
-
-
-/* Make a slightly more convenient alias for C_SYMBOL_NAME. */
-#define CSYM C_SYMBOL_NAME
-
-
- .text
-
- // Define `mach_early_init' as a weak symbol
- .global CSYM(mach_early_init)
- .weak CSYM(mach_early_init)
-
-C_ENTRY(start):
- // Make sure interrupts are turned off, just in case
- di
-
-#ifdef CONFIG_RESET_GUARD
- // See if we got here via an unexpected reset
- ld.w RESET_GUARD, r19 // Check current value of reset guard
- mov RESET_GUARD_ACTIVE, r20
- cmp r19, r20
- bne 1f // Guard was not active
-
- // If we get here, the reset guard was active. Load up some
- // interesting values as arguments, and jump to the handler.
- st.w r0, RESET_GUARD // Allow further resets to succeed
- mov lp, r6 // Arg 0: return address
- ld.b KM, r7 // Arg 1: kernel mode
- mov sp, r9 // Arg 3: stack pointer
- ld.w KSP, r19 // maybe switch to kernel stack
- cmp r7, r0 // see if already in kernel mode
- cmov z, r19, sp, sp // and switch to kernel stack if not
- GET_CURRENT_TASK(r8) // Arg 2: task pointer
- jr CSYM(unexpected_reset)
-
-1: st.w r20, RESET_GUARD // Turn on reset guard
-#endif /* CONFIG_RESET_GUARD */
-
- // Setup a temporary stack for doing pre-initialization function calls.
- //
- // We can't use the initial kernel stack, because (1) it may be
- // located in memory we're not allowed to touch, and (2) since
- // it's in the data segment, calling memcpy to initialize that
- // area from ROM will overwrite memcpy's return address.
- mov hilo(CSYM(_init_stack_end) - 4), sp
-
- // See if there's a platform-specific early-initialization routine
- // defined; it's a weak symbol, so it will have an address of zero if
- // there's not.
- mov hilo(CSYM(mach_early_init)), r6
- cmp r6, r0
- bz 3f
-
- // There is one, so call it. If this function is written in C, it
- // should be very careful -- the stack pointer is valid, but very
- // little else is (e.g., bss is not zeroed yet, and initialized data
- // hasn't been).
- jarl 2f, lp // first figure out return address
-2: add 3f - ., lp
- jmp [r6] // do call
-3:
-
-#ifdef CONFIG_ROM_KERNEL
- // Copy the data area from ROM to RAM
- mov hilo(CSYM(_rom_copy_dst_start)), r6
- mov hilo(CSYM(_rom_copy_src_start)), r7
- mov hilo(CSYM(_rom_copy_dst_end)), r8
- sub r6, r8
- jarl CSYM(memcpy), lp
-#endif
-
- // Load the initial thread's stack, and current task pointer (in r16)
- mov hilo(CSYM(init_thread_union)), r19
- movea THREAD_SIZE, r19, sp
- ld.w TI_TASK[r19], CURRENT_TASK
-
-#ifdef CONFIG_TIME_BOOTUP
- /* This stuff must come after mach_early_init, because interrupts may
- not work until after its been called. */
- jarl CSYM(highres_timer_reset), lp
- jarl CSYM(highres_timer_start), lp
-#endif
-
- // Kernel stack pointer save location
- st.w sp, KSP
-
- // Assert that we're in `kernel mode'
- mov 1, r19
- st.w r19, KM
-
-#ifdef CONFIG_ZERO_BSS
- // Zero bss area, since we can't rely upon any loader to do so
- mov hilo(CSYM(_sbss)), r6
- mov r0, r7
- mov hilo(CSYM(_ebss)), r8
- sub r6, r8
- jarl CSYM(memset), lp
-#endif
-
- // What happens if the main kernel function returns (it shouldn't)
- mov hilo(CSYM(machine_halt)), lp
-
- // Start the linux kernel. We use an indirect jump to get extra
- // range, because on some platforms this initial startup code
- // (and the associated platform-specific code in mach_early_init)
- // are located far away from the main kernel, e.g. so that they
- // can initialize RAM first and copy the kernel or something.
- mov hilo(CSYM(start_kernel)), r12
- jmp [r12]
-C_END(start)
diff --git a/arch/v850/kernel/highres_timer.c b/arch/v850/kernel/highres_timer.c
deleted file mode 100644
index b16ad1eaf96..00000000000
--- a/arch/v850/kernel/highres_timer.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * arch/v850/kernel/highres_timer.c -- High resolution timing routines
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <asm/system.h>
-#include <asm/v850e_timer_d.h>
-#include <asm/highres_timer.h>
-
-#define HIGHRES_TIMER_USEC_SHIFT 12
-
-/* Pre-calculated constant used for converting ticks to real time
- units. We initialize it to prevent it being put into BSS. */
-static u32 highres_timer_usec_prescale = 1;
-
-void highres_timer_slow_tick_irq (void) __attribute__ ((noreturn));
-void highres_timer_slow_tick_irq (void)
-{
- /* This is an interrupt handler, so it must be very careful to
- not to trash any registers. At this point, the stack-pointer
- (r3) has been saved in the chip ram location ENTRY_SP by the
- interrupt vector, so we can use it as a scratch register; we
- must also restore it before returning. */
- asm ("ld.w %0[r0], sp;"
- "add 1, sp;"
- "st.w sp, %0[r0];"
- "ld.w %1[r0], sp;" /* restore pre-irq stack-pointer */
- "reti"
- ::
- "i" (HIGHRES_TIMER_SLOW_TICKS_ADDR),
- "i" (ENTRY_SP_ADDR)
- : "memory");
-}
-
-void highres_timer_reset (void)
-{
- V850E_TIMER_D_TMD (HIGHRES_TIMER_TIMER_D_UNIT) = 0;
- HIGHRES_TIMER_SLOW_TICKS = 0;
-}
-
-void highres_timer_start (void)
-{
- u32 fast_tick_rate;
-
- /* Start hardware timer. */
- v850e_timer_d_configure (HIGHRES_TIMER_TIMER_D_UNIT,
- HIGHRES_TIMER_SLOW_TICK_RATE);
-
- fast_tick_rate =
- (V850E_TIMER_D_BASE_FREQ
- >> V850E_TIMER_D_DIVLOG2 (HIGHRES_TIMER_TIMER_D_UNIT));
-
- /* The obvious way of calculating microseconds from fast ticks
- is to do:
-
- usec = fast_ticks * 10^6 / fast_tick_rate
-
- However, divisions are much slower than multiplications, and
- the above calculation can overflow, so we do this instead:
-
- usec = fast_ticks * (10^6 * 2^12 / fast_tick_rate) / 2^12
-
- since we can pre-calculate (10^6 * (2^12 / fast_tick_rate))
- and use a shift for dividing by 2^12, this avoids division,
- and is almost as accurate (it differs by about 2 microseconds
- at the extreme value of the fast-tick counter's ranger). */
- highres_timer_usec_prescale = ((1000000 << HIGHRES_TIMER_USEC_SHIFT)
- / fast_tick_rate);
-
- /* Enable the interrupt (which is hardwired to this use), and
- give it the highest priority. */
- V850E_INTC_IC (IRQ_INTCMD (HIGHRES_TIMER_TIMER_D_UNIT)) = 0;
-}
-
-void highres_timer_stop (void)
-{
- /* Stop the timer. */
- V850E_TIMER_D_TMCD (HIGHRES_TIMER_TIMER_D_UNIT) =
- V850E_TIMER_D_TMCD_CAE;
- /* Disable its interrupt, just in case. */
- v850e_intc_disable_irq (IRQ_INTCMD (HIGHRES_TIMER_TIMER_D_UNIT));
-}
-
-inline void highres_timer_read_ticks (u32 *slow_ticks, u32 *fast_ticks)
-{
- int flags;
- u32 fast_ticks_1, fast_ticks_2, _slow_ticks;
-
- local_irq_save (flags);
- fast_ticks_1 = V850E_TIMER_D_TMD (HIGHRES_TIMER_TIMER_D_UNIT);
- _slow_ticks = HIGHRES_TIMER_SLOW_TICKS;
- fast_ticks_2 = V850E_TIMER_D_TMD (HIGHRES_TIMER_TIMER_D_UNIT);
- local_irq_restore (flags);
-
- if (fast_ticks_2 < fast_ticks_1)
- _slow_ticks++;
-
- *slow_ticks = _slow_ticks;
- *fast_ticks = fast_ticks_2;
-}
-
-inline void highres_timer_ticks_to_timeval (u32 slow_ticks, u32 fast_ticks,
- struct timeval *tv)
-{
- unsigned long sec, sec_rem, usec;
-
- usec = ((fast_ticks * highres_timer_usec_prescale)
- >> HIGHRES_TIMER_USEC_SHIFT);
-
- sec = slow_ticks / HIGHRES_TIMER_SLOW_TICK_RATE;
- sec_rem = slow_ticks % HIGHRES_TIMER_SLOW_TICK_RATE;
-
- usec += sec_rem * (1000000 / HIGHRES_TIMER_SLOW_TICK_RATE);
-
- tv->tv_sec = sec;
- tv->tv_usec = usec;
-}
-
-void highres_timer_read (struct timeval *tv)
-{
- u32 fast_ticks, slow_ticks;
- highres_timer_read_ticks (&slow_ticks, &fast_ticks);
- highres_timer_ticks_to_timeval (slow_ticks, fast_ticks, tv);
-}
diff --git a/arch/v850/kernel/init_task.c b/arch/v850/kernel/init_task.c
deleted file mode 100644
index 44b274dff33..00000000000
--- a/arch/v850/kernel/init_task.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * arch/v850/kernel/init_task.c -- Initial task/thread structures
- *
- * Copyright (C) 2002,03 NEC Electronics Corporation
- * Copyright (C) 2002,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- */
-
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/init_task.h>
-#include <linux/fs.h>
-#include <linux/mqueue.h>
-
-#include <asm/uaccess.h>
-#include <asm/pgtable.h>
-
-static struct fs_struct init_fs = INIT_FS;
-static struct signal_struct init_signals = INIT_SIGNALS (init_signals);
-static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-struct mm_struct init_mm = INIT_MM (init_mm);
-
-EXPORT_SYMBOL(init_mm);
-
-/*
- * Initial task structure.
- *
- * All other task structs will be allocated on slabs in fork.c
- */
-struct task_struct init_task = INIT_TASK (init_task);
-
-EXPORT_SYMBOL(init_task);
-
-/*
- * Initial thread structure.
- *
- * We need to make sure that this is 8192-byte aligned due to the
- * way process stacks are handled. This is done by having a special
- * "init_task" linker map entry.
- */
-union thread_union init_thread_union
- __attribute__((__section__(".data.init_task"))) =
- { INIT_THREAD_INFO(init_task) };
diff --git a/arch/v850/kernel/intv.S b/arch/v850/kernel/intv.S
deleted file mode 100644
index 671e4c6150d..00000000000
--- a/arch/v850/kernel/intv.S
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * arch/v850/kernel/intv.S -- Interrupt vectors
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <asm/clinkage.h>
-#include <asm/irq.h>
-#include <asm/machdep.h>
-#include <asm/entry.h>
-
-#ifdef CONFIG_V850E_HIGHRES_TIMER
-#include <asm/highres_timer.h>
-#endif
-
-/* Jump to an interrupt/trap handler. These handlers (defined in entry.S)
- expect the stack-pointer to be saved in ENTRY_SP, so we use sp to do an
- indirect jump (which avoids problems when the handler is more than a signed
- 22-bit offset away). */
-#define JUMP_TO_HANDLER(name, sp_save_loc) \
- st.w sp, sp_save_loc; \
- mov hilo(name), sp; \
- jmp [sp]
-
-
- /* Reset vector. */
- .section .intv.reset, "ax"
- .org 0x0
- mov hilo(C_SYMBOL_NAME(start)), r1;
- jmp [r1]
-
-
- /* Generic interrupt vectors. */
- .section .intv.common, "ax"
- .balign 0x10
- JUMP_TO_HANDLER (nmi, NMI_ENTRY_SP) // 0x10 - NMI0
- .balign 0x10
- JUMP_TO_HANDLER (nmi, NMI_ENTRY_SP) // 0x20 - NMI1
- .balign 0x10
- JUMP_TO_HANDLER (nmi, NMI_ENTRY_SP) // 0x30 - NMI2
-
- .balign 0x10
- JUMP_TO_HANDLER (trap, ENTRY_SP) // 0x40 - TRAP0n
- .balign 0x10
- JUMP_TO_HANDLER (trap, ENTRY_SP) // 0x50 - TRAP1n
-
- .balign 0x10
- JUMP_TO_HANDLER (dbtrap, ENTRY_SP) // 0x60 - Illegal op / DBTRAP insn
-
-
- /* Hardware interrupt vectors. */
- .section .intv.mach, "ax"
- .org 0x0
-
-#if defined (CONFIG_V850E_HIGHRES_TIMER) && defined (IRQ_INTCMD)
-
- /* Interrupts before the highres timer interrupt. */
- .rept IRQ_INTCMD (HIGHRES_TIMER_TIMER_D_UNIT)
- .balign 0x10
- JUMP_TO_HANDLER (irq, ENTRY_SP)
- .endr
-
- /* The highres timer interrupt. */
- .balign 0x10
- JUMP_TO_HANDLER (C_SYMBOL_NAME (highres_timer_slow_tick_irq), ENTRY_SP)
-
- /* Interrupts after the highres timer interrupt. */
- .rept NUM_CPU_IRQS - IRQ_INTCMD (HIGHRES_TIMER_TIMER_D_UNIT) - 1
- .balign 0x10
- JUMP_TO_HANDLER (irq, ENTRY_SP)
- .endr
-
-#else /* No highres timer */
-
- .rept NUM_CPU_IRQS
- .balign 0x10
- JUMP_TO_HANDLER (irq, ENTRY_SP)
- .endr
-
-#endif /* Highres timer */
diff --git a/arch/v850/kernel/irq.c b/arch/v850/kernel/irq.c
deleted file mode 100644
index 858c45819aa..00000000000
--- a/arch/v850/kernel/irq.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * arch/v850/kernel/irq.c -- High-level interrupt handling
- *
- * Copyright (C) 2001,02,03,04,05 NEC Electronics Corporation
- * Copyright (C) 2001,02,03,04,05 Miles Bader <miles@gnu.org>
- * Copyright (C) 1994-2000 Ralf Baechle
- * Copyright (C) 1992 Linus Torvalds
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * This file was was derived from the mips version, arch/mips/kernel/irq.c
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/irq.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/kernel_stat.h>
-#include <linux/slab.h>
-#include <linux/mm.h>
-#include <linux/random.h>
-#include <linux/seq_file.h>
-
-#include <asm/system.h>
-
-/*
- * 'what should we do if we get a hw irq event on an illegal vector'.
- * each architecture has to answer this themselves, it doesn't deserve
- * a generic callback i think.
- */
-void ack_bad_irq(unsigned int irq)
-{
- printk("received IRQ %d with unknown interrupt type\n", irq);
-}
-
-volatile unsigned long irq_err_count, spurious_count;
-
-/*
- * Generic, controller-independent functions:
- */
-
-int show_interrupts(struct seq_file *p, void *v)
-{
- int irq = *(loff_t *) v;
-
- if (irq == 0) {
- int cpu;
- seq_puts(p, " ");
- for (cpu=0; cpu < 1 /*smp_num_cpus*/; cpu++)
- seq_printf(p, "CPU%d ", cpu);
- seq_putc(p, '\n');
- }
-
- if (irq < NR_IRQS) {
- unsigned long flags;
- struct irqaction *action;
-
- spin_lock_irqsave(&irq_desc[irq].lock, flags);
-
- action = irq_desc[irq].action;
- if (action) {
- int j;
- int count = 0;
- int num = -1;
- const char *type_name = irq_desc[irq].chip->typename;
-
- for (j = 0; j < NR_IRQS; j++)
- if (irq_desc[j].chip->typename == type_name){
- if (irq == j)
- num = count;
- count++;
- }
-
- seq_printf(p, "%3d: ",irq);
- seq_printf(p, "%10u ", kstat_irqs(irq));
- if (count > 1) {
- int prec = (num >= 100 ? 3 : num >= 10 ? 2 : 1);
- seq_printf(p, " %*s%d", 14 - prec,
- type_name, num);
- } else
- seq_printf(p, " %14s", type_name);
-
- seq_printf(p, " %s", action->name);
- for (action=action->next; action; action = action->next)
- seq_printf(p, ", %s", action->name);
- seq_putc(p, '\n');
- }
-
- spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
- } else if (irq == NR_IRQS)
- seq_printf(p, "ERR: %10lu\n", irq_err_count);
-
- return 0;
-}
-
-/* Handle interrupt IRQ. REGS are the registers at the time of ther
- interrupt. */
-unsigned int handle_irq (int irq, struct pt_regs *regs)
-{
- irq_enter();
- __do_IRQ(irq, regs);
- irq_exit();
- return 1;
-}
-
-/* Initialize irq handling for IRQs.
- BASE_IRQ, BASE_IRQ+INTERVAL, ..., BASE_IRQ+NUM*INTERVAL
- to IRQ_TYPE. An IRQ_TYPE of 0 means to use a generic interrupt type. */
-void __init
-init_irq_handlers (int base_irq, int num, int interval,
- struct hw_interrupt_type *irq_type)
-{
- while (num-- > 0) {
- irq_desc[base_irq].status = IRQ_DISABLED;
- irq_desc[base_irq].action = NULL;
- irq_desc[base_irq].depth = 1;
- irq_desc[base_irq].chip = irq_type;
- base_irq += interval;
- }
-}
diff --git a/arch/v850/kernel/ma.c b/arch/v850/kernel/ma.c
deleted file mode 100644
index 143774de75e..00000000000
--- a/arch/v850/kernel/ma.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * arch/v850/kernel/ma.c -- V850E/MA series of cpu chips
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/bootmem.h>
-#include <linux/irq.h>
-
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/machdep.h>
-#include <asm/v850e_timer_d.h>
-
-#include "mach.h"
-
-void __init mach_sched_init (struct irqaction *timer_action)
-{
- /* Start hardware timer. */
- v850e_timer_d_configure (0, HZ);
- /* Install timer interrupt handler. */
- setup_irq (IRQ_INTCMD(0), timer_action);
-}
-
-static struct v850e_intc_irq_init irq_inits[] = {
- { "IRQ", 0, NUM_MACH_IRQS, 1, 7 },
- { "CMD", IRQ_INTCMD(0), IRQ_INTCMD_NUM, 1, 5 },
- { "DMA", IRQ_INTDMA(0), IRQ_INTDMA_NUM, 1, 2 },
- { "CSI", IRQ_INTCSI(0), IRQ_INTCSI_NUM, 4, 4 },
- { "SER", IRQ_INTSER(0), IRQ_INTSER_NUM, 4, 3 },
- { "SR", IRQ_INTSR(0), IRQ_INTSR_NUM, 4, 4 },
- { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 4, 5 },
- { 0 }
-};
-#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1)
-
-static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS];
-
-/* Initialize MA chip interrupts. */
-void __init ma_init_irqs (void)
-{
- v850e_intc_init_irq_types (irq_inits, hw_itypes);
-}
-
-/* Called before configuring an on-chip UART. */
-void ma_uart_pre_configure (unsigned chan, unsigned cflags, unsigned baud)
-{
- /* We only know about the first two UART channels (though
- specific chips may have more). */
- if (chan < 2) {
- unsigned bits = 0x3 << (chan * 3);
- /* Specify that the relevant pins on the chip should do
- serial I/O, not direct I/O. */
- MA_PORT4_PMC |= bits;
- /* Specify that we're using the UART, not the CSI device. */
- MA_PORT4_PFC |= bits;
- }
-}
diff --git a/arch/v850/kernel/mach.c b/arch/v850/kernel/mach.c
deleted file mode 100644
index b9db278d2b7..00000000000
--- a/arch/v850/kernel/mach.c
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * arch/v850/kernel/mach.c -- Defaults for some things defined by "mach.h"
- *
- * Copyright (C) 2001 NEC Corporation
- * Copyright (C) 2001 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include "mach.h"
-
-/* Called with each timer tick, if non-zero. */
-void (*mach_tick)(void) = 0;
diff --git a/arch/v850/kernel/mach.h b/arch/v850/kernel/mach.h
deleted file mode 100644
index 9e0e4816ec5..00000000000
--- a/arch/v850/kernel/mach.h
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * arch/v850/kernel/mach.h -- Machine-dependent functions used by v850 port
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#ifndef __V850_MACH_H__
-#define __V850_MACH_H__
-
-#include <linux/kernel.h>
-#include <linux/time.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-#include <linux/fs.h>
-#include <linux/seq_file.h>
-
-#include <asm/ptrace.h>
-#include <asm/entry.h>
-#include <asm/clinkage.h>
-
-void mach_setup (char **cmdline);
-void mach_gettimeofday (struct timespec *tv);
-void mach_sched_init (struct irqaction *timer_action);
-void mach_get_physical_ram (unsigned long *ram_start, unsigned long *ram_len);
-void mach_init_irqs (void);
-
-/* If defined, is called very early in the kernel initialization. The
- stack pointer is valid, but very little has been initialized (e.g.,
- bss is not zeroed yet) when this is called, so care must taken. */
-void mach_early_init (void);
-
-/* If defined, called after the bootmem allocator has been initialized,
- to allow the platform-dependent code to reserve any areas of RAM that
- the kernel shouldn't touch. */
-void mach_reserve_bootmem (void) __attribute__ ((__weak__));
-
-/* Called with each timer tick, if non-zero. */
-extern void (*mach_tick) (void);
-
-/* The following establishes aliases for various mach_ functions to the
- name by which the rest of the kernel calls them. These statements
- should only have an effect in the file that defines the actual functions. */
-#define MACH_ALIAS(to, from) \
- asm (".global " macrology_stringify (C_SYMBOL_NAME (to)) ";" \
- macrology_stringify (C_SYMBOL_NAME (to)) \
- " = " macrology_stringify (C_SYMBOL_NAME (from)))
-/* e.g.: MACH_ALIAS (kernel_name, arch_spec_name); */
-
-#endif /* __V850_MACH_H__ */
diff --git a/arch/v850/kernel/me2.c b/arch/v850/kernel/me2.c
deleted file mode 100644
index 007115dc9ce..00000000000
--- a/arch/v850/kernel/me2.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * arch/v850/kernel/me2.c -- V850E/ME2 chip-specific support
- *
- * Copyright (C) 2003 NEC Corporation
- * Copyright (C) 2003 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/bootmem.h>
-#include <linux/irq.h>
-
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/machdep.h>
-#include <asm/v850e_timer_d.h>
-
-#include "mach.h"
-
-void __init mach_sched_init (struct irqaction *timer_action)
-{
- /* Start hardware timer. */
- v850e_timer_d_configure (0, HZ);
- /* Install timer interrupt handler. */
- setup_irq (IRQ_INTCMD(0), timer_action);
-}
-
-static struct v850e_intc_irq_init irq_inits[] = {
- { "IRQ", 0, NUM_CPU_IRQS, 1, 7 },
- { "INTP", IRQ_INTP(0), IRQ_INTP_NUM, 1, 5 },
- { "CMD", IRQ_INTCMD(0), IRQ_INTCMD_NUM, 1, 3 },
- { "UBTIRE", IRQ_INTUBTIRE(0), IRQ_INTUBTIRE_NUM, 5, 4 },
- { "UBTIR", IRQ_INTUBTIR(0), IRQ_INTUBTIR_NUM, 5, 4 },
- { "UBTIT", IRQ_INTUBTIT(0), IRQ_INTUBTIT_NUM, 5, 4 },
- { "UBTIF", IRQ_INTUBTIF(0), IRQ_INTUBTIF_NUM, 5, 4 },
- { "UBTITO", IRQ_INTUBTITO(0), IRQ_INTUBTITO_NUM, 5, 4 },
- { 0 }
-};
-#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1)
-
-static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS];
-
-/* Initialize V850E/ME2 chip interrupts. */
-void __init me2_init_irqs (void)
-{
- v850e_intc_init_irq_types (irq_inits, hw_itypes);
-}
-
-/* Called before configuring an on-chip UART. */
-void me2_uart_pre_configure (unsigned chan, unsigned cflags, unsigned baud)
-{
- if (chan == 0) {
- /* Specify that the relevant pins on the chip should do
- serial I/O, not direct I/O. */
- ME2_PORT1_PMC |= 0xC;
- /* Specify that we're using the UART, not the CSI device. */
- ME2_PORT1_PFC |= 0xC;
- } else if (chan == 1) {
- /* Specify that the relevant pins on the chip should do
- serial I/O, not direct I/O. */
- ME2_PORT2_PMC |= 0x6;
- /* Specify that we're using the UART, not the CSI device. */
- ME2_PORT2_PFC |= 0x6;
- }
-}
diff --git a/arch/v850/kernel/memcons.c b/arch/v850/kernel/memcons.c
deleted file mode 100644
index 92f514fdcc7..00000000000
--- a/arch/v850/kernel/memcons.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * arch/v850/kernel/memcons.c -- Console I/O to a memory buffer
- *
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/console.h>
-#include <linux/tty.h>
-#include <linux/tty_driver.h>
-#include <linux/init.h>
-
-/* If this device is enabled, the linker map should define start and
- end points for its buffer. */
-extern char memcons_output[], memcons_output_end;
-
-/* Current offset into the buffer. */
-static unsigned long memcons_offs = 0;
-
-/* Spinlock protecting memcons_offs. */
-static DEFINE_SPINLOCK(memcons_lock);
-
-
-static size_t write (const char *buf, size_t len)
-{
- unsigned long flags;
- char *point;
-
- spin_lock_irqsave (memcons_lock, flags);
-
- point = memcons_output + memcons_offs;
- if (point + len >= &memcons_output_end) {
- len = &memcons_output_end - point;
- memcons_offs = 0;
- } else
- memcons_offs += len;
-
- spin_unlock_irqrestore (memcons_lock, flags);
-
- memcpy (point, buf, len);
-
- return len;
-}
-
-
-/* Low-level console. */
-
-static void memcons_write (struct console *co, const char *buf, unsigned len)
-{
- while (len > 0)
- len -= write (buf, len);
-}
-
-static struct tty_driver *tty_driver;
-
-static struct tty_driver *memcons_device (struct console *co, int *index)
-{
- *index = co->index;
- return tty_driver;
-}
-
-static struct console memcons =
-{
- .name = "memcons",
- .write = memcons_write,
- .device = memcons_device,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-void memcons_setup (void)
-{
- register_console (&memcons);
- printk (KERN_INFO "Console: static memory buffer (memcons)\n");
-}
-
-/* Higher level TTY interface. */
-
-int memcons_tty_open (struct tty_struct *tty, struct file *filp)
-{
- return 0;
-}
-
-int memcons_tty_write (struct tty_struct *tty, const unsigned char *buf, int len)
-{
- return write (buf, len);
-}
-
-int memcons_tty_write_room (struct tty_struct *tty)
-{
- return &memcons_output_end - (memcons_output + memcons_offs);
-}
-
-int memcons_tty_chars_in_buffer (struct tty_struct *tty)
-{
- /* We have no buffer. */
- return 0;
-}
-
-static const struct tty_operations ops = {
- .open = memcons_tty_open,
- .write = memcons_tty_write,
- .write_room = memcons_tty_write_room,
- .chars_in_buffer = memcons_tty_chars_in_buffer,
-};
-
-int __init memcons_tty_init (void)
-{
- int err;
- struct tty_driver *driver = alloc_tty_driver(1);
- if (!driver)
- return -ENOMEM;
-
- driver->name = "memcons";
- driver->major = TTY_MAJOR;
- driver->minor_start = 64;
- driver->type = TTY_DRIVER_TYPE_SYSCONS;
- driver->init_termios = tty_std_termios;
- tty_set_operations(driver, &ops);
- err = tty_register_driver(driver);
- if (err) {
- put_tty_driver(driver);
- return err;
- }
- tty_driver = driver;
- return 0;
-}
-__initcall (memcons_tty_init);
diff --git a/arch/v850/kernel/module.c b/arch/v850/kernel/module.c
deleted file mode 100644
index 64aeb3e37c5..00000000000
--- a/arch/v850/kernel/module.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * arch/v850/kernel/module.c -- Architecture-specific module functions
- *
- * Copyright (C) 2002,03 NEC Electronics Corporation
- * Copyright (C) 2002,03 Miles Bader <miles@gnu.org>
- * Copyright (C) 2001,03 Rusty Russell
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- *
- * Derived in part from arch/ppc/kernel/module.c
- */
-
-#include <linux/kernel.h>
-#include <linux/vmalloc.h>
-#include <linux/moduleloader.h>
-#include <linux/elf.h>
-
-#if 0
-#define DEBUGP printk
-#else
-#define DEBUGP(fmt , ...)
-#endif
-
-void *module_alloc (unsigned long size)
-{
- return size == 0 ? 0 : vmalloc (size);
-}
-
-void module_free (struct module *mod, void *module_region)
-{
- vfree (module_region);
- /* FIXME: If module_region == mod->init_region, trim exception
- table entries. */
-}
-
-int module_finalize (const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
- struct module *mod)
-{
- return 0;
-}
-
-/* Count how many different relocations (different symbol, different
- addend) */
-static unsigned int count_relocs(const Elf32_Rela *rela, unsigned int num)
-{
- unsigned int i, j, ret = 0;
-
- /* Sure, this is order(n^2), but it's usually short, and not
- time critical */
- for (i = 0; i < num; i++) {
- for (j = 0; j < i; j++) {
- /* If this addend appeared before, it's
- already been counted */
- if (ELF32_R_SYM(rela[i].r_info)
- == ELF32_R_SYM(rela[j].r_info)
- && rela[i].r_addend == rela[j].r_addend)
- break;
- }
- if (j == i) ret++;
- }
- return ret;
-}
-
-/* Get the potential trampolines size required of the init and
- non-init sections */
-static unsigned long get_plt_size(const Elf32_Ehdr *hdr,
- const Elf32_Shdr *sechdrs,
- const char *secstrings,
- int is_init)
-{
- unsigned long ret = 0;
- unsigned i;
-
- /* Everything marked ALLOC (this includes the exported
- symbols) */
- for (i = 1; i < hdr->e_shnum; i++) {
- /* If it's called *.init*, and we're not init, we're
- not interested */
- if ((strstr(secstrings + sechdrs[i].sh_name, ".init") != 0)
- != is_init)
- continue;
-
- if (sechdrs[i].sh_type == SHT_RELA) {
- DEBUGP("Found relocations in section %u\n", i);
- DEBUGP("Ptr: %p. Number: %u\n",
- (void *)hdr + sechdrs[i].sh_offset,
- sechdrs[i].sh_size / sizeof(Elf32_Rela));
- ret += count_relocs((void *)hdr
- + sechdrs[i].sh_offset,
- sechdrs[i].sh_size
- / sizeof(Elf32_Rela))
- * sizeof(struct v850_plt_entry);
- }
- }
-
- return ret;
-}
-
-int module_frob_arch_sections(Elf32_Ehdr *hdr,
- Elf32_Shdr *sechdrs,
- char *secstrings,
- struct module *me)
-{
- unsigned int i;
-
- /* Find .plt and .pltinit sections */
- for (i = 0; i < hdr->e_shnum; i++) {
- if (strcmp(secstrings + sechdrs[i].sh_name, ".init.plt") == 0)
- me->arch.init_plt_section = i;
- else if (strcmp(secstrings + sechdrs[i].sh_name, ".plt") == 0)
- me->arch.core_plt_section = i;
- }
- if (!me->arch.core_plt_section || !me->arch.init_plt_section) {
- printk("Module doesn't contain .plt or .plt.init sections.\n");
- return -ENOEXEC;
- }
-
- /* Override their sizes */
- sechdrs[me->arch.core_plt_section].sh_size
- = get_plt_size(hdr, sechdrs, secstrings, 0);
- sechdrs[me->arch.init_plt_section].sh_size
- = get_plt_size(hdr, sechdrs, secstrings, 1);
- return 0;
-}
-
-int apply_relocate (Elf32_Shdr *sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relsec,
- struct module *mod)
-{
- printk ("Barf\n");
- return -ENOEXEC;
-}
-
-/* Set up a trampoline in the PLT to bounce us to the distant function */
-static uint32_t do_plt_call (void *location, Elf32_Addr val,
- Elf32_Shdr *sechdrs, struct module *mod)
-{
- struct v850_plt_entry *entry;
- /* Instructions used to do the indirect jump. */
- uint32_t tramp[2];
-
- /* We have to trash a register, so we assume that any control
- transfer more than 21-bits away must be a function call
- (so we can use a call-clobbered register). */
- tramp[0] = 0x0621 + ((val & 0xffff) << 16); /* mov sym, r1 ... */
- tramp[1] = ((val >> 16) & 0xffff) + 0x610000; /* ...; jmp r1 */
-
- /* Init, or core PLT? */
- if (location >= mod->module_core
- && location < mod->module_core + mod->core_size)
- entry = (void *)sechdrs[mod->arch.core_plt_section].sh_addr;
- else
- entry = (void *)sechdrs[mod->arch.init_plt_section].sh_addr;
-
- /* Find this entry, or if that fails, the next avail. entry */
- while (entry->tramp[0])
- if (entry->tramp[0] == tramp[0] && entry->tramp[1] == tramp[1])
- return (uint32_t)entry;
- else
- entry++;
-
- entry->tramp[0] = tramp[0];
- entry->tramp[1] = tramp[1];
-
- return (uint32_t)entry;
-}
-
-int apply_relocate_add (Elf32_Shdr *sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relsec,
- struct module *mod)
-{
- unsigned int i;
- Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr;
-
- DEBUGP ("Applying relocate section %u to %u\n", relsec,
- sechdrs[relsec].sh_info);
-
- for (i = 0; i < sechdrs[relsec].sh_size / sizeof (*rela); i++) {
- /* This is where to make the change */
- uint32_t *loc
- = ((void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
- + rela[i].r_offset);
- /* This is the symbol it is referring to. Note that all
- undefined symbols have been resolved. */
- Elf32_Sym *sym
- = ((Elf32_Sym *)sechdrs[symindex].sh_addr
- + ELF32_R_SYM (rela[i].r_info));
- uint32_t val = sym->st_value + rela[i].r_addend;
-
- switch (ELF32_R_TYPE (rela[i].r_info)) {
- case R_V850_32:
- /* We write two shorts instead of a long because even
- 32-bit insns only need half-word alignment, but
- 32-bit data writes need to be long-word aligned. */
- val += ((uint16_t *)loc)[0];
- val += ((uint16_t *)loc)[1] << 16;
- ((uint16_t *)loc)[0] = val & 0xffff;
- ((uint16_t *)loc)[1] = (val >> 16) & 0xffff;
- break;
-
- case R_V850_22_PCREL:
- /* Maybe jump indirectly via a PLT table entry. */
- if ((int32_t)(val - (uint32_t)loc) > 0x1fffff
- || (int32_t)(val - (uint32_t)loc) < -0x200000)
- val = do_plt_call (loc, val, sechdrs, mod);
-
- val -= (uint32_t)loc;
-
- /* We write two shorts instead of a long because
- even 32-bit insns only need half-word alignment,
- but 32-bit data writes need to be long-word
- aligned. */
- ((uint16_t *)loc)[0] =
- (*(uint16_t *)loc & 0xffc0) /* opcode + reg */
- | ((val >> 16) & 0xffc03f); /* offs high */
- ((uint16_t *)loc)[1] =
- (val & 0xffff); /* offs low */
- break;
-
- default:
- printk (KERN_ERR "module %s: Unknown reloc: %u\n",
- mod->name, ELF32_R_TYPE (rela[i].r_info));
- return -ENOEXEC;
- }
- }
-
- return 0;
-}
-
-void
-module_arch_cleanup(struct module *mod)
-{
-}
diff --git a/arch/v850/kernel/process.c b/arch/v850/kernel/process.c
deleted file mode 100644
index e4a4b8e7d5a..00000000000
--- a/arch/v850/kernel/process.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * arch/v850/kernel/process.c -- Arch-dependent process handling
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/user.h>
-#include <linux/a.out.h>
-#include <linux/reboot.h>
-
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <asm/pgtable.h>
-
-void (*pm_power_off)(void) = NULL;
-EXPORT_SYMBOL(pm_power_off);
-
-extern void ret_from_fork (void);
-
-
-/* The idle loop. */
-static void default_idle (void)
-{
- while (! need_resched ())
- asm ("halt; nop; nop; nop; nop; nop" ::: "cc");
-}
-
-void (*idle)(void) = default_idle;
-
-/*
- * The idle thread. There's no useful work to be
- * done, so just try to conserve power and have a
- * low exit latency (ie sit in a loop waiting for
- * somebody to say that they'd like to reschedule)
- */
-void cpu_idle (void)
-{
- /* endless idle loop with no priority at all */
- while (1) {
- while (!need_resched())
- (*idle) ();
-
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
- }
-}
-
-/*
- * This is the mechanism for creating a new kernel thread.
- *
- * NOTE! Only a kernel-only process (ie the swapper or direct descendants who
- * haven't done an "execve()") should use this: it will work within a system
- * call from a "real" process, but the process memory space will not be free'd
- * until both the parent and the child have exited.
- */
-int kernel_thread (int (*fn)(void *), void *arg, unsigned long flags)
-{
- register mm_segment_t fs = get_fs ();
- register unsigned long syscall asm (SYSCALL_NUM);
- register unsigned long arg0 asm (SYSCALL_ARG0);
- register unsigned long ret asm (SYSCALL_RET);
-
- set_fs (KERNEL_DS);
-
- /* Clone this thread. Note that we don't pass the clone syscall's
- second argument -- it's ignored for calls from kernel mode (the
- child's SP is always set to the top of the kernel stack). */
- arg0 = flags | CLONE_VM;
- syscall = __NR_clone;
- asm volatile ("trap " SYSCALL_SHORT_TRAP
- : "=r" (ret), "=r" (syscall)
- : "1" (syscall), "r" (arg0)
- : SYSCALL_SHORT_CLOBBERS);
-
- if (ret == 0) {
- /* In child thread, call FN and exit. */
- arg0 = (*fn) (arg);
- syscall = __NR_exit;
- asm volatile ("trap " SYSCALL_SHORT_TRAP
- : "=r" (ret), "=r" (syscall)
- : "1" (syscall), "r" (arg0)
- : SYSCALL_SHORT_CLOBBERS);
- }
-
- /* In parent. */
- set_fs (fs);
-
- return ret;
-}
-
-void flush_thread (void)
-{
- set_fs (USER_DS);
-}
-
-int copy_thread (int nr, unsigned long clone_flags,
- unsigned long stack_start, unsigned long stack_size,
- struct task_struct *p, struct pt_regs *regs)
-{
- /* Start pushing stuff from the top of the child's kernel stack. */
- unsigned long orig_ksp = task_tos(p);
- unsigned long ksp = orig_ksp;
- /* We push two `state save' stack fames (see entry.S) on the new
- kernel stack:
- 1) The innermost one is what switch_thread would have
- pushed, and is used when we context switch to the child
- thread for the first time. It's set up to return to
- ret_from_fork in entry.S.
- 2) The outermost one (nearest the top) is what a syscall
- trap would have pushed, and is set up to return to the
- same location as the parent thread, but with a return
- value of 0. */
- struct pt_regs *child_switch_regs, *child_trap_regs;
-
- /* Trap frame. */
- ksp -= STATE_SAVE_SIZE;
- child_trap_regs = (struct pt_regs *)(ksp + STATE_SAVE_PT_OFFSET);
- /* Switch frame. */
- ksp -= STATE_SAVE_SIZE;
- child_switch_regs = (struct pt_regs *)(ksp + STATE_SAVE_PT_OFFSET);
-
- /* First copy parent's register state to child. */
- *child_switch_regs = *regs;
- *child_trap_regs = *regs;
-
- /* switch_thread returns to the restored value of the lp
- register (r31), so we make that the place where we want to
- jump when the child thread begins running. */
- child_switch_regs->gpr[GPR_LP] = (v850_reg_t)ret_from_fork;
-
- if (regs->kernel_mode)
- /* Since we're returning to kernel-mode, make sure the child's
- stored kernel stack pointer agrees with what the actual
- stack pointer will be at that point (the trap return code
- always restores the SP, even when returning to
- kernel-mode). */
- child_trap_regs->gpr[GPR_SP] = orig_ksp;
- else
- /* Set the child's user-mode stack-pointer (the name
- `stack_start' is a misnomer, it's just the initial SP
- value). */
- child_trap_regs->gpr[GPR_SP] = stack_start;
-
- /* Thread state for the child (everything else is on the stack). */
- p->thread.ksp = ksp;
-
- return 0;
-}
-
-/*
- * sys_execve() executes a new program.
- */
-int sys_execve (char *name, char **argv, char **envp, struct pt_regs *regs)
-{
- char *filename = getname (name);
- int error = PTR_ERR (filename);
-
- if (! IS_ERR (filename)) {
- error = do_execve (filename, argv, envp, regs);
- putname (filename);
- }
-
- return error;
-}
-
-
-/*
- * These bracket the sleeping functions..
- */
-#define first_sched ((unsigned long)__sched_text_start)
-#define last_sched ((unsigned long)__sched_text_end)
-
-unsigned long get_wchan (struct task_struct *p)
-{
-#if 0 /* Barf. Figure out the stack-layout later. XXX */
- unsigned long fp, pc;
- int count = 0;
-
- if (!p || p == current || p->state == TASK_RUNNING)
- return 0;
-
- pc = thread_saved_pc (p);
-
- /* This quite disgusting function walks up the stack, following
- saved return address, until it something that's out of bounds
- (as defined by `first_sched' and `last_sched'). It then
- returns the last PC that was in-bounds. */
- do {
- if (fp < stack_page + sizeof (struct task_struct) ||
- fp >= 8184+stack_page)
- return 0;
- pc = ((unsigned long *)fp)[1];
- if (pc < first_sched || pc >= last_sched)
- return pc;
- fp = *(unsigned long *) fp;
- } while (count++ < 16);
-#endif
-
- return 0;
-}
diff --git a/arch/v850/kernel/procfs.c b/arch/v850/kernel/procfs.c
deleted file mode 100644
index e433cde789b..00000000000
--- a/arch/v850/kernel/procfs.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * arch/v850/kernel/procfs.c -- Introspection functions for /proc filesystem
- *
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include "mach.h"
-
-static int cpuinfo_print (struct seq_file *m, void *v)
-{
- extern unsigned long loops_per_jiffy;
-
- seq_printf (m, "CPU-Family: v850\nCPU-Arch: %s\n", CPU_ARCH);
-
-#ifdef CPU_MODEL_LONG
- seq_printf (m, "CPU-Model: %s (%s)\n", CPU_MODEL, CPU_MODEL_LONG);
-#else
- seq_printf (m, "CPU-Model: %s\n", CPU_MODEL);
-#endif
-
-#ifdef CPU_CLOCK_FREQ
- seq_printf (m, "CPU-Clock: %ld (%ld MHz)\n",
- (long)CPU_CLOCK_FREQ,
- (long)CPU_CLOCK_FREQ / 1000000);
-#endif
-
- seq_printf (m, "BogoMips: %lu.%02lu\n",
- loops_per_jiffy/(500000/HZ),
- (loops_per_jiffy/(5000/HZ)) % 100);
-
-#ifdef PLATFORM_LONG
- seq_printf (m, "Platform: %s (%s)\n", PLATFORM, PLATFORM_LONG);
-#elif defined (PLATFORM)
- seq_printf (m, "Platform: %s\n", PLATFORM);
-#endif
-
- return 0;
-}
-
-static void *cpuinfo_start (struct seq_file *m, loff_t *pos)
-{
- return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
-}
-
-static void *cpuinfo_next (struct seq_file *m, void *v, loff_t *pos)
-{
- ++*pos;
- return cpuinfo_start (m, pos);
-}
-
-static void cpuinfo_stop (struct seq_file *m, void *v)
-{
-}
-
-const struct seq_operations cpuinfo_op = {
- .start = cpuinfo_start,
- .next = cpuinfo_next,
- .stop = cpuinfo_stop,
- .show = cpuinfo_print
-};
diff --git a/arch/v850/kernel/ptrace.c b/arch/v850/kernel/ptrace.c
deleted file mode 100644
index a458ac941b2..00000000000
--- a/arch/v850/kernel/ptrace.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * arch/v850/kernel/ptrace.c -- `ptrace' system call
- *
- * Copyright (C) 2002,03,04 NEC Electronics Corporation
- * Copyright (C) 2002,03,04 Miles Bader <miles@gnu.org>
- *
- * Derived from arch/mips/kernel/ptrace.c:
- *
- * Copyright (C) 1992 Ross Biro
- * Copyright (C) Linus Torvalds
- * Copyright (C) 1994, 95, 96, 97, 98, 2000 Ralf Baechle
- * Copyright (C) 1996 David S. Miller
- * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999 MIPS Technologies, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/ptrace.h>
-#include <linux/signal.h>
-
-#include <asm/errno.h>
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/uaccess.h>
-
-/* Returns the address where the register at REG_OFFS in P is stashed away. */
-static v850_reg_t *reg_save_addr (unsigned reg_offs, struct task_struct *t)
-{
- struct pt_regs *regs;
-
- /* Three basic cases:
-
- (1) A register normally saved before calling the scheduler, is
- available in the kernel entry pt_regs structure at the top
- of the kernel stack. The kernel trap/irq exit path takes
- care to save/restore almost all registers for ptrace'd
- processes.
-
- (2) A call-clobbered register, where the process P entered the
- kernel via [syscall] trap, is not stored anywhere; that's
- OK, because such registers are not expected to be preserved
- when the trap returns anyway (so we don't actually bother to
- test for this case).
-
- (3) A few registers not used at all by the kernel, and so
- normally never saved except by context-switches, are in the
- context switch state. */
-
- if (reg_offs == PT_CTPC || reg_offs == PT_CTPSW || reg_offs == PT_CTBP)
- /* Register saved during context switch. */
- regs = thread_saved_regs (t);
- else
- /* Register saved during kernel entry (or not available). */
- regs = task_pt_regs (t);
-
- return (v850_reg_t *)((char *)regs + reg_offs);
-}
-
-/* Set the bits SET and clear the bits CLEAR in the v850e DIR
- (`debug information register'). Returns the new value of DIR. */
-static inline v850_reg_t set_dir (v850_reg_t set, v850_reg_t clear)
-{
- register v850_reg_t rval asm ("r10");
- register v850_reg_t arg0 asm ("r6") = set;
- register v850_reg_t arg1 asm ("r7") = clear;
-
- /* The dbtrap handler has exactly this functionality when called
- from kernel mode. 0xf840 is a `dbtrap' insn. */
- asm (".short 0xf840" : "=r" (rval) : "r" (arg0), "r" (arg1));
-
- return rval;
-}
-
-/* Makes sure hardware single-stepping is (globally) enabled.
- Returns true if successful. */
-static inline int enable_single_stepping (void)
-{
- static int enabled = 0; /* Remember whether we already did it. */
- if (! enabled) {
- /* Turn on the SE (`single-step enable') bit, 0x100, in the
- DIR (`debug information register'). This may fail if a
- processor doesn't support it or something. We also try
- to clear bit 0x40 (`INI'), which is necessary to use the
- debug stuff on the v850e2; on the v850e, clearing 0x40
- shouldn't cause any problem. */
- v850_reg_t dir = set_dir (0x100, 0x40);
- /* Make sure it really got set. */
- if (dir & 0x100)
- enabled = 1;
- }
- return enabled;
-}
-
-/* Try to set CHILD's single-step flag to VAL. Returns true if successful. */
-static int set_single_step (struct task_struct *t, int val)
-{
- v850_reg_t *psw_addr = reg_save_addr(PT_PSW, t);
- if (val) {
- /* Make sure single-stepping is enabled. */
- if (! enable_single_stepping ())
- return 0;
- /* Set T's single-step flag. */
- *psw_addr |= 0x800;
- } else
- *psw_addr &= ~0x800;
- return 1;
-}
-
-long arch_ptrace(struct task_struct *child, long request, long addr, long data)
-{
- int rval;
-
- switch (request) {
- unsigned long val;
-
- case PTRACE_PEEKTEXT: /* read word at location addr. */
- case PTRACE_PEEKDATA:
- rval = generic_ptrace_peekdata(child, addr, data);
- goto out;
-
- case PTRACE_POKETEXT: /* write the word at location addr. */
- case PTRACE_POKEDATA:
- rval = generic_ptrace_pokedata(child, addr, data);
- goto out;
-
- /* Read/write the word at location ADDR in the registers. */
- case PTRACE_PEEKUSR:
- case PTRACE_POKEUSR:
- rval = 0;
- if (addr >= PT_SIZE && request == PTRACE_PEEKUSR) {
- /* Special requests that don't actually correspond
- to offsets in struct pt_regs. */
- if (addr == PT_TEXT_ADDR)
- val = child->mm->start_code;
- else if (addr == PT_DATA_ADDR)
- val = child->mm->start_data;
- else if (addr == PT_TEXT_LEN)
- val = child->mm->end_code
- - child->mm->start_code;
- else
- rval = -EIO;
- } else if (addr >= 0 && addr < PT_SIZE && (addr & 0x3) == 0) {
- v850_reg_t *reg_addr = reg_save_addr(addr, child);
- if (request == PTRACE_PEEKUSR)
- val = *reg_addr;
- else
- *reg_addr = data;
- } else
- rval = -EIO;
-
- if (rval == 0 && request == PTRACE_PEEKUSR)
- rval = put_user (val, (unsigned long *)data);
- goto out;
-
- /* Continue and stop at next (return from) syscall */
- case PTRACE_SYSCALL:
- /* Restart after a signal. */
- case PTRACE_CONT:
- /* Execute a single instruction. */
- case PTRACE_SINGLESTEP:
- rval = -EIO;
- if (!valid_signal(data))
- break;
-
- /* Turn CHILD's single-step flag on or off. */
- if (! set_single_step (child, request == PTRACE_SINGLESTEP))
- break;
-
- if (request == PTRACE_SYSCALL)
- set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- else
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
- child->exit_code = data;
- wake_up_process(child);
- rval = 0;
- break;
-
- /*
- * make the child exit. Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
- case PTRACE_KILL:
- rval = 0;
- if (child->exit_state == EXIT_ZOMBIE) /* already dead */
- break;
- child->exit_code = SIGKILL;
- wake_up_process(child);
- break;
-
- case PTRACE_DETACH: /* detach a process that was attached. */
- set_single_step (child, 0); /* Clear single-step flag */
- rval = ptrace_detach(child, data);
- break;
-
- default:
- rval = -EIO;
- goto out;
- }
- out:
- return rval;
-}
-
-asmlinkage void syscall_trace(void)
-{
- if (!test_thread_flag(TIF_SYSCALL_TRACE))
- return;
- if (!(current->ptrace & PT_PTRACED))
- return;
- /* The 0x80 provides a way for the tracing parent to distinguish
- between a syscall stop and SIGTRAP delivery */
- ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
- ? 0x80 : 0));
- /*
- * this isn't the same as continuing with a signal, but it will do
- * for normal use. strace only continues with a signal if the
- * stopping signal is not SIGTRAP. -brl
- */
- if (current->exit_code) {
- send_sig(current->exit_code, current, 1);
- current->exit_code = 0;
- }
-}
-
-void ptrace_disable (struct task_struct *child)
-{
- /* nothing to do */
-}
diff --git a/arch/v850/kernel/rte_cb.c b/arch/v850/kernel/rte_cb.c
deleted file mode 100644
index 43018e1edeb..00000000000
--- a/arch/v850/kernel/rte_cb.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * include/asm-v850/rte_cb.c -- Midas lab RTE-CB series of evaluation boards
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/fs.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-
-#include <asm/machdep.h>
-#include <asm/v850e_uart.h>
-
-#include "mach.h"
-
-static void led_tick (void);
-
-/* LED access routines. */
-extern unsigned read_leds (int pos, char *buf, int len);
-extern unsigned write_leds (int pos, const char *buf, int len);
-
-#ifdef CONFIG_RTE_CB_MULTI
-extern void multi_init (void);
-#endif
-
-
-void __init rte_cb_early_init (void)
-{
- v850e_intc_disable_irqs ();
-
-#ifdef CONFIG_RTE_CB_MULTI
- multi_init ();
-#endif
-}
-
-void __init mach_setup (char **cmdline)
-{
-#ifdef CONFIG_RTE_MB_A_PCI
- /* Probe for Mother-A, and print a message if we find it. */
- *(volatile unsigned long *)MB_A_SRAM_ADDR = 0xDEADBEEF;
- if (*(volatile unsigned long *)MB_A_SRAM_ADDR == 0xDEADBEEF) {
- *(volatile unsigned long *)MB_A_SRAM_ADDR = 0x12345678;
- if (*(volatile unsigned long *)MB_A_SRAM_ADDR == 0x12345678)
- printk (KERN_INFO
- " NEC SolutionGear/Midas lab"
- " RTE-MOTHER-A motherboard\n");
- }
-#endif /* CONFIG_RTE_MB_A_PCI */
-
- mach_tick = led_tick;
-}
-
-void machine_restart (char *__unused)
-{
-#ifdef CONFIG_RESET_GUARD
- disable_reset_guard ();
-#endif
- asm ("jmp r0"); /* Jump to the reset vector. */
-}
-
-/* This says `HALt.' in LEDese. */
-static unsigned char halt_leds_msg[] = { 0x76, 0x77, 0x38, 0xF8 };
-
-void machine_halt (void)
-{
-#ifdef CONFIG_RESET_GUARD
- disable_reset_guard ();
-#endif
-
- /* Ignore all interrupts. */
- local_irq_disable ();
-
- /* Write a little message. */
- write_leds (0, halt_leds_msg, sizeof halt_leds_msg);
-
- /* Really halt. */
- for (;;)
- asm ("halt; nop; nop; nop; nop; nop");
-}
-
-void machine_power_off (void)
-{
- machine_halt ();
-}
-
-
-/* Animated LED display for timer tick. */
-
-#define TICK_UPD_FREQ 6
-static int tick_frames[][10] = {
- { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, -1 },
- { 0x63, 0x5c, -1 },
- { 0x5c, 0x00, -1 },
- { 0x63, 0x00, -1 },
- { -1 }
-};
-
-static void led_tick ()
-{
- static unsigned counter = 0;
-
- if (++counter == (HZ / TICK_UPD_FREQ)) {
- /* Which frame we're currently displaying for each digit. */
- static unsigned frame_nums[LED_NUM_DIGITS] = { 0 };
- /* Display image. */
- static unsigned char image[LED_NUM_DIGITS] = { 0 };
- unsigned char prev_image[LED_NUM_DIGITS];
- int write_to_leds = 1; /* true if we should actually display */
- int digit;
-
- /* We check to see if the physical LEDs contains what we last
- wrote to them; if not, we suppress display (this is so that
- users can write to the LEDs, and not have their output
- overwritten). As a special case, we start writing again if
- all the LEDs are blank, or our display image is all zeros
- (indicating that this is the initial update, when the actual
- LEDs might contain random data). */
- read_leds (0, prev_image, LED_NUM_DIGITS);
- for (digit = 0; digit < LED_NUM_DIGITS; digit++)
- if (image[digit] != prev_image[digit]
- && image[digit] && prev_image[digit])
- {
- write_to_leds = 0;
- break;
- }
-
- /* Update display image. */
- for (digit = 0;
- digit < LED_NUM_DIGITS && tick_frames[digit][0] >= 0;
- digit++)
- {
- int frame = tick_frames[digit][frame_nums[digit]];
- if (frame < 0) {
- image[digit] = tick_frames[digit][0];
- frame_nums[digit] = 1;
- } else {
- image[digit] = frame;
- frame_nums[digit]++;
- break;
- }
- }
-
- if (write_to_leds)
- /* Write the display image to the physical LEDs. */
- write_leds (0, image, LED_NUM_DIGITS);
-
- counter = 0;
- }
-}
-
-
-/* Mother-A interrupts. */
-
-#ifdef CONFIG_RTE_GBUS_INT
-
-#define L GBUS_INT_PRIORITY_LOW
-#define M GBUS_INT_PRIORITY_MEDIUM
-#define H GBUS_INT_PRIORITY_HIGH
-
-static struct gbus_int_irq_init gbus_irq_inits[] = {
-#ifdef CONFIG_RTE_MB_A_PCI
- { "MB_A_LAN", IRQ_MB_A_LAN, 1, 1, L },
- { "MB_A_PCI1", IRQ_MB_A_PCI1(0), IRQ_MB_A_PCI1_NUM, 1, L },
- { "MB_A_PCI2", IRQ_MB_A_PCI2(0), IRQ_MB_A_PCI2_NUM, 1, L },
- { "MB_A_EXT", IRQ_MB_A_EXT(0), IRQ_MB_A_EXT_NUM, 1, L },
- { "MB_A_USB_OC",IRQ_MB_A_USB_OC(0), IRQ_MB_A_USB_OC_NUM, 1, L },
- { "MB_A_PCMCIA_OC",IRQ_MB_A_PCMCIA_OC, 1, 1, L },
-#endif
- { 0 }
-};
-#define NUM_GBUS_IRQ_INITS (ARRAY_SIZE(gbus_irq_inits) - 1)
-
-static struct hw_interrupt_type gbus_hw_itypes[NUM_GBUS_IRQ_INITS];
-
-#endif /* CONFIG_RTE_GBUS_INT */
-
-
-void __init rte_cb_init_irqs (void)
-{
-#ifdef CONFIG_RTE_GBUS_INT
- gbus_int_init_irqs ();
- gbus_int_init_irq_types (gbus_irq_inits, gbus_hw_itypes);
-#endif /* CONFIG_RTE_GBUS_INT */
-}
diff --git a/arch/v850/kernel/rte_cb_leds.c b/arch/v850/kernel/rte_cb_leds.c
deleted file mode 100644
index aa47ab1dcd8..00000000000
--- a/arch/v850/kernel/rte_cb_leds.c
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * include/asm-v850/rte_cb_leds.c -- Midas lab RTE-CB board LED device support
- *
- * Copyright (C) 2002,03 NEC Electronics Corporation
- * Copyright (C) 2002,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/init.h>
-#include <linux/spinlock.h>
-#include <linux/fs.h>
-#include <linux/miscdevice.h>
-
-#include <asm/uaccess.h>
-
-#define LEDS_MINOR 169 /* Minor device number, using misc major. */
-
-/* The actual LED hardware is write-only, so we hold the contents here too. */
-static unsigned char leds_image[LED_NUM_DIGITS] = { 0 };
-
-/* Spinlock protecting the above leds. */
-static DEFINE_SPINLOCK(leds_lock);
-
-/* Common body of LED read/write functions, checks POS and LEN for
- correctness, declares a variable using IMG_DECL, initialized pointing at
- the POS position in the LED image buffer, and and iterates COPY_EXPR
- until BUF is equal to the last buffer position; finally, sets LEN to be
- the amount actually copied. IMG should be a variable declaration
- (without an initializer or a terminating semicolon); POS, BUF, and LEN
- should all be simple variables. */
-#define DO_LED_COPY(img_decl, pos, buf, len, copy_expr) \
-do { \
- if (pos > LED_NUM_DIGITS) \
- len = 0; \
- else { \
- if (pos + len > LED_NUM_DIGITS) \
- len = LED_NUM_DIGITS - pos; \
- \
- if (len > 0) { \
- unsigned long _flags; \
- const char *_end = buf + len; \
- img_decl = &leds_image[pos]; \
- \
- spin_lock_irqsave (leds_lock, _flags); \
- do \
- (copy_expr); \
- while (buf != _end); \
- spin_unlock_irqrestore (leds_lock, _flags); \
- } \
- } \
-} while (0)
-
-/* Read LEN bytes from LEDs at position POS, into BUF.
- Returns actual amount read. */
-unsigned read_leds (unsigned pos, char *buf, unsigned len)
-{
- DO_LED_COPY (const char *img, pos, buf, len, *buf++ = *img++);
- return len;
-}
-
-/* Write LEN bytes to LEDs at position POS, from BUF.
- Returns actual amount written. */
-unsigned write_leds (unsigned pos, const char *buf, unsigned len)
-{
- /* We write the actual LED values backwards, because
- increasing memory addresses reflect LEDs right-to-left. */
- volatile char *led = &LED (LED_NUM_DIGITS - pos - 1);
- /* We invert the value written to the hardware, because 1 = off,
- and 0 = on. */
- DO_LED_COPY (char *img, pos, buf, len,
- *led-- = 0xFF ^ (*img++ = *buf++));
- return len;
-}
-
-
-/* Device functions. */
-
-static ssize_t leds_dev_read (struct file *file, char *buf, size_t len,
- loff_t *pos)
-{
- char temp_buf[LED_NUM_DIGITS];
- len = read_leds (*pos, temp_buf, len);
- if (copy_to_user (buf, temp_buf, len))
- return -EFAULT;
- *pos += len;
- return len;
-}
-
-static ssize_t leds_dev_write (struct file *file, const char *buf, size_t len,
- loff_t *pos)
-{
- char temp_buf[LED_NUM_DIGITS];
- if (copy_from_user (temp_buf, buf, min_t(size_t, len, LED_NUM_DIGITS)))
- return -EFAULT;
- len = write_leds (*pos, temp_buf, len);
- *pos += len;
- return len;
-}
-
-static loff_t leds_dev_lseek (struct file *file, loff_t offs, int whence)
-{
- if (whence == 1)
- offs += file->f_pos; /* relative */
- else if (whence == 2)
- offs += LED_NUM_DIGITS; /* end-relative */
-
- if (offs < 0 || offs > LED_NUM_DIGITS)
- return -EINVAL;
-
- file->f_pos = offs;
-
- return 0;
-}
-
-static const struct file_operations leds_fops = {
- .read = leds_dev_read,
- .write = leds_dev_write,
- .llseek = leds_dev_lseek
-};
-
-static struct miscdevice leds_miscdev = {
- .name = "leds",
- .minor = LEDS_MINOR,
- .fops = &leds_fops
-};
-
-int __init leds_dev_init (void)
-{
- return misc_register (&leds_miscdev);
-}
-
-__initcall (leds_dev_init);
diff --git a/arch/v850/kernel/rte_cb_multi.c b/arch/v850/kernel/rte_cb_multi.c
deleted file mode 100644
index 963d55ab34c..00000000000
--- a/arch/v850/kernel/rte_cb_multi.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * include/asm-v850/rte_multi.c -- Support for Multi debugger monitor ROM
- * on Midas lab RTE-CB series of evaluation boards
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/init.h>
-
-#include <asm/machdep.h>
-
-#define IRQ_ADDR(irq) (0x80 + (irq) * 0x10)
-
-/* A table of which interrupt vectors to install, since blindly
- installing all of them makes the debugger stop working. This is a
- list of offsets in the interrupt vector area; each entry means to
- copy that particular 16-byte vector. An entry less than zero ends
- the table. */
-static long multi_intv_install_table[] = {
- /* Trap vectors */
- 0x40, 0x50,
-
-#ifdef CONFIG_RTE_CB_MULTI_DBTRAP
- /* Illegal insn / dbtrap. These are used by multi, so only handle
- them if configured to do so. */
- 0x60,
-#endif
-
- /* GINT1 - GINT3 (note, not GINT0!) */
- IRQ_ADDR (IRQ_GINT(1)),
- IRQ_ADDR (IRQ_GINT(2)),
- IRQ_ADDR (IRQ_GINT(3)),
-
- /* Timer D interrupts (up to 4 timers) */
- IRQ_ADDR (IRQ_INTCMD(0)),
-#if IRQ_INTCMD_NUM > 1
- IRQ_ADDR (IRQ_INTCMD(1)),
-#if IRQ_INTCMD_NUM > 2
- IRQ_ADDR (IRQ_INTCMD(2)),
-#if IRQ_INTCMD_NUM > 3
- IRQ_ADDR (IRQ_INTCMD(3)),
-#endif
-#endif
-#endif
-
- /* UART interrupts (up to 3 channels) */
- IRQ_ADDR (IRQ_INTSER (0)), /* err */
- IRQ_ADDR (IRQ_INTSR (0)), /* rx */
- IRQ_ADDR (IRQ_INTST (0)), /* tx */
-#if IRQ_INTSR_NUM > 1
- IRQ_ADDR (IRQ_INTSER (1)), /* err */
- IRQ_ADDR (IRQ_INTSR (1)), /* rx */
- IRQ_ADDR (IRQ_INTST (1)), /* tx */
-#if IRQ_INTSR_NUM > 2
- IRQ_ADDR (IRQ_INTSER (2)), /* err */
- IRQ_ADDR (IRQ_INTSR (2)), /* rx */
- IRQ_ADDR (IRQ_INTST (2)), /* tx */
-#endif
-#endif
-
- -1
-};
-
-/* Early initialization for kernel using Multi debugger ROM monitor. */
-void __init multi_init (void)
-{
- /* We're using the Multi debugger monitor, so we have to install
- the interrupt vectors. The monitor doesn't allow them to be
- initially downloaded into their final destination because
- it's in the monitor's scratch-RAM area. Unfortunately, Multi
- also doesn't deal correctly with ELF sections where the LMA
- and VMA differ -- it just ignores the LMA -- so we can't use
- that feature to work around the problem. What we do instead
- is just put the interrupt vectors into a normal section, and
- do the necessary copying and relocation here. Since the
- interrupt vector basically only contains `jr' instructions
- and no-ops, it's not that hard. */
- extern unsigned long _intv_load_start, _intv_start;
- register unsigned long *src = &_intv_load_start;
- register unsigned long *dst = (unsigned long *)INTV_BASE;
- register unsigned long jr_fixup = (char *)&_intv_start - (char *)dst;
- register long *ii;
-
- /* Copy interrupt vectors as instructed by multi_intv_install_table. */
- for (ii = multi_intv_install_table; *ii >= 0; ii++) {
- /* Copy 16-byte interrupt vector at offset *ii. */
- int boffs;
- for (boffs = 0; boffs < 0x10; boffs += sizeof *src) {
- /* Copy a single word, fixing up the jump offs
- if it's a `jr' instruction. */
- int woffs = (*ii + boffs) / sizeof *src;
- unsigned long word = src[woffs];
-
- if ((word & 0xFC0) == 0x780) {
- /* A `jr' insn, fix up its offset (and yes, the
- weird half-word swapping is intentional). */
- unsigned short hi = word & 0xFFFF;
- unsigned short lo = word >> 16;
- unsigned long udisp22
- = lo + ((hi & 0x3F) << 16);
- long disp22 = (long)(udisp22 << 10) >> 10;
-
- disp22 += jr_fixup;
-
- hi = ((disp22 >> 16) & 0x3F) | 0x780;
- lo = disp22 & 0xFFFF;
-
- word = hi + (lo << 16);
- }
-
- dst[woffs] = word;
- }
- }
-}
diff --git a/arch/v850/kernel/rte_ma1_cb-rom.ld b/arch/v850/kernel/rte_ma1_cb-rom.ld
deleted file mode 100644
index 87b618f8253..00000000000
--- a/arch/v850/kernel/rte_ma1_cb-rom.ld
+++ /dev/null
@@ -1,14 +0,0 @@
-/* Linker script for the Midas labs RTE-V850E/MA1-CB evaluation board
- (CONFIG_RTE_CB_MA1), with kernel in ROM. */
-
-MEMORY {
- ROM : ORIGIN = 0x00000000, LENGTH = 0x00100000
- /* 1MB of SRAM. This memory is mirrored 4 times. */
- SRAM : ORIGIN = SRAM_ADDR, LENGTH = SRAM_SIZE
- /* 32MB of SDRAM. */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-SECTIONS {
- ROMK_SECTIONS(ROM, SRAM)
-}
diff --git a/arch/v850/kernel/rte_ma1_cb.c b/arch/v850/kernel/rte_ma1_cb.c
deleted file mode 100644
index 08abf3d5f8d..00000000000
--- a/arch/v850/kernel/rte_ma1_cb.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * arch/v850/kernel/rte_ma1_cb.c -- Midas labs RTE-V850E/MA1-CB board
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/ma1.h>
-#include <asm/rte_ma1_cb.h>
-#include <asm/v850e_timer_c.h>
-
-#include "mach.h"
-
-
-/* SRAM and SDRAM are almost contiguous (with a small hole in between;
- see mach_reserve_bootmem for details), so just use both as one big area. */
-#define RAM_START SRAM_ADDR
-#define RAM_END (SDRAM_ADDR + SDRAM_SIZE)
-
-
-void __init mach_early_init (void)
-{
- rte_cb_early_init ();
-}
-
-void __init mach_get_physical_ram (unsigned long *ram_start,
- unsigned long *ram_len)
-{
- *ram_start = RAM_START;
- *ram_len = RAM_END - RAM_START;
-}
-
-void __init mach_reserve_bootmem ()
-{
-#ifdef CONFIG_RTE_CB_MULTI
- /* Prevent the kernel from touching the monitor's scratch RAM. */
- reserve_bootmem(MON_SCRATCH_ADDR, MON_SCRATCH_SIZE,
- BOOTMEM_DEFAULT);
-#endif
-
- /* The space between SRAM and SDRAM is filled with duplicate
- images of SRAM. Prevent the kernel from using them. */
- reserve_bootmem (SRAM_ADDR + SRAM_SIZE,
- SDRAM_ADDR - (SRAM_ADDR + SRAM_SIZE),
- BOOTMEM_DEFAULT);
-}
-
-void mach_gettimeofday (struct timespec *tv)
-{
- tv->tv_sec = 0;
- tv->tv_nsec = 0;
-}
-
-/* Called before configuring an on-chip UART. */
-void rte_ma1_cb_uart_pre_configure (unsigned chan,
- unsigned cflags, unsigned baud)
-{
- /* The RTE-MA1-CB connects some general-purpose I/O pins on the
- CPU to the RTS/CTS lines of UART 0's serial connection.
- I/O pins P42 and P43 are RTS and CTS respectively. */
- if (chan == 0) {
- /* Put P42 & P43 in I/O port mode. */
- MA_PORT4_PMC &= ~0xC;
- /* Make P42 an output, and P43 an input. */
- MA_PORT4_PM = (MA_PORT4_PM & ~0xC) | 0x8;
- }
-
- /* Do pre-configuration for the actual UART. */
- ma_uart_pre_configure (chan, cflags, baud);
-}
-
-void __init mach_init_irqs (void)
-{
- unsigned tc;
-
- /* Initialize interrupts. */
- ma_init_irqs ();
- rte_cb_init_irqs ();
-
- /* Use falling-edge-sensitivity for interrupts . */
- V850E_TIMER_C_SESC (0) &= ~0xC;
- V850E_TIMER_C_SESC (1) &= ~0xF;
-
- /* INTP000-INTP011 are shared with `Timer C', so we have to set
- up Timer C to pass them through as raw interrupts. */
- for (tc = 0; tc < 2; tc++)
- /* Turn on the timer. */
- V850E_TIMER_C_TMCC0 (tc) |= V850E_TIMER_C_TMCC0_CAE;
-
- /* Make sure the relevant port0/port1 pins are assigned
- interrupt duty. We used INTP001-INTP011 (don't screw with
- INTP000 because the monitor uses it). */
- MA_PORT0_PMC |= 0x4; /* P02 (INTP001) in IRQ mode. */
- MA_PORT1_PMC |= 0x6; /* P11 (INTP010) & P12 (INTP011) in IRQ mode.*/
-}
diff --git a/arch/v850/kernel/rte_ma1_cb.ld b/arch/v850/kernel/rte_ma1_cb.ld
deleted file mode 100644
index c8e16d16be4..00000000000
--- a/arch/v850/kernel/rte_ma1_cb.ld
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Linker script for the Midas labs RTE-V850E/MA1-CB evaluation board
- (CONFIG_RTE_CB_MA1), with kernel in SDRAM, under Multi debugger. */
-
-MEMORY {
- /* 1MB of SRAM; we can't use the last 32KB, because it's used by
- the monitor scratch-RAM. This memory is mirrored 4 times. */
- SRAM : ORIGIN = SRAM_ADDR, LENGTH = (SRAM_SIZE - MON_SCRATCH_SIZE)
- /* Monitor scratch RAM; only the interrupt vectors should go here. */
- MRAM : ORIGIN = MON_SCRATCH_ADDR, LENGTH = MON_SCRATCH_SIZE
- /* 32MB of SDRAM. */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-#ifdef CONFIG_RTE_CB_MA1_KSRAM
-# define KRAM SRAM
-#else
-# define KRAM SDRAM
-#endif
-
-SECTIONS {
- /* We can't use RAMK_KRAM_CONTENTS because that puts the whole
- kernel in a single ELF segment, and the Multi debugger (which
- we use to load the kernel) appears to have bizarre problems
- dealing with it. */
-
- .text : {
- __kram_start = . ;
- TEXT_CONTENTS
- } > KRAM
-
- .data : {
- DATA_CONTENTS
- BSS_CONTENTS
- RAMK_INIT_CONTENTS
- __kram_end = . ;
- BOOTMAP_CONTENTS
-
- /* The address at which the interrupt vectors are initially
- loaded by the loader. We can't load the interrupt vectors
- directly into their target location, because the monitor
- ROM for the GHS Multi debugger barfs if we try.
- Unfortunately, Multi also doesn't deal correctly with ELF
- sections where the LMA and VMA differ (it just ignores the
- LMA), so we can't use that feature to work around the
- problem! What we do instead is just put the interrupt
- vectors into a normal section, and have the
- `mach_early_init' function for Midas boards do the
- necessary copying and relocation at runtime (this section
- basically only contains `jr' instructions, so it's not
- that hard). */
- . = ALIGN (0x10) ;
- __intv_load_start = . ;
- INTV_CONTENTS
- } > KRAM
-
- .root ALIGN (4096) : { ROOT_FS_CONTENTS } > SDRAM
-}
diff --git a/arch/v850/kernel/rte_mb_a_pci.c b/arch/v850/kernel/rte_mb_a_pci.c
deleted file mode 100644
index 687e367d8b6..00000000000
--- a/arch/v850/kernel/rte_mb_a_pci.c
+++ /dev/null
@@ -1,819 +0,0 @@
-/*
- * arch/v850/kernel/mb_a_pci.c -- PCI support for Midas lab RTE-MOTHER-A board
- *
- * Copyright (C) 2001,02,03,05 NEC Electronics Corporation
- * Copyright (C) 2001,02,03,05 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/pci.h>
-
-#include <asm/machdep.h>
-
-/* __nomods_init is like __devinit, but is a no-op when modules are enabled.
- This is used by some routines that can be called either during boot
- or by a module. */
-#ifdef CONFIG_MODULES
-#define __nomods_init /*nothing*/
-#else
-#define __nomods_init __devinit
-#endif
-
-/* PCI devices on the Mother-A board can only do DMA to/from the MB SRAM
- (the RTE-V850E/MA1-CB cpu board doesn't support PCI access to
- CPU-board memory), and since linux DMA buffers are allocated in
- normal kernel memory, we basically have to copy DMA blocks around
- (this is like a `bounce buffer'). When a DMA block is `mapped', we
- allocate an identically sized block in MB SRAM, and if we're doing
- output to the device, copy the CPU-memory block to the MB-SRAM block.
- When an active block is `unmapped', we will copy the block back to
- CPU memory if necessary, and then deallocate the MB SRAM block.
- Ack. */
-
-/* Where the motherboard SRAM is in the PCI-bus address space (the
- first 512K of it is also mapped at PCI address 0). */
-#define PCI_MB_SRAM_ADDR 0x800000
-
-/* Convert CPU-view MB SRAM address to/from PCI-view addresses of the
- same memory. */
-#define MB_SRAM_TO_PCI(mb_sram_addr) \
- ((dma_addr_t)mb_sram_addr - MB_A_SRAM_ADDR + PCI_MB_SRAM_ADDR)
-#define PCI_TO_MB_SRAM(pci_addr) \
- (void *)(pci_addr - PCI_MB_SRAM_ADDR + MB_A_SRAM_ADDR)
-
-static void pcibios_assign_resources (void);
-
-struct mb_pci_dev_irq {
- unsigned dev; /* PCI device number */
- unsigned irq_base; /* First IRQ */
- unsigned query_pin; /* True if we should read the device's
- Interrupt Pin info, and allocate
- interrupt IRQ_BASE + PIN. */
-};
-
-/* PCI interrupts are mapped statically to GBUS interrupts. */
-static struct mb_pci_dev_irq mb_pci_dev_irqs[] = {
- /* Motherboard SB82558 ethernet controller */
- { 10, IRQ_MB_A_LAN, 0 },
- /* PCI slot 1 */
- { 8, IRQ_MB_A_PCI1(0), 1 },
- /* PCI slot 2 */
- { 9, IRQ_MB_A_PCI2(0), 1 }
-};
-#define NUM_MB_PCI_DEV_IRQS ARRAY_SIZE(mb_pci_dev_irqs)
-
-
-/* PCI configuration primitives. */
-
-#define CONFIG_DMCFGA(bus, devfn, offs) \
- (0x80000000 \
- | ((offs) & ~0x3) \
- | ((devfn) << 8) \
- | ((bus)->number << 16))
-
-static int
-mb_pci_read (struct pci_bus *bus, unsigned devfn, int offs, int size, u32 *rval)
-{
- u32 addr;
- int flags;
-
- local_irq_save (flags);
-
- MB_A_PCI_PCICR = 0x7;
- MB_A_PCI_DMCFGA = CONFIG_DMCFGA (bus, devfn, offs);
-
- addr = MB_A_PCI_IO_ADDR + (offs & 0x3);
-
- switch (size) {
- case 1: *rval = *(volatile u8 *)addr; break;
- case 2: *rval = *(volatile u16 *)addr; break;
- case 4: *rval = *(volatile u32 *)addr; break;
- }
-
- if (MB_A_PCI_PCISR & 0x2000) {
- MB_A_PCI_PCISR = 0x2000;
- *rval = ~0;
- }
-
- MB_A_PCI_DMCFGA = 0;
-
- local_irq_restore (flags);
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-mb_pci_write (struct pci_bus *bus, unsigned devfn, int offs, int size, u32 val)
-{
- u32 addr;
- int flags;
-
- local_irq_save (flags);
-
- MB_A_PCI_PCICR = 0x7;
- MB_A_PCI_DMCFGA = CONFIG_DMCFGA (bus, devfn, offs);
-
- addr = MB_A_PCI_IO_ADDR + (offs & 0x3);
-
- switch (size) {
- case 1: *(volatile u8 *)addr = val; break;
- case 2: *(volatile u16 *)addr = val; break;
- case 4: *(volatile u32 *)addr = val; break;
- }
-
- if (MB_A_PCI_PCISR & 0x2000)
- MB_A_PCI_PCISR = 0x2000;
-
- MB_A_PCI_DMCFGA = 0;
-
- local_irq_restore (flags);
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops mb_pci_config_ops = {
- .read = mb_pci_read,
- .write = mb_pci_write,
-};
-
-
-/* PCI Initialization. */
-
-static struct pci_bus *mb_pci_bus = 0;
-
-/* Do initial PCI setup. */
-static int __devinit pcibios_init (void)
-{
- u32 id = MB_A_PCI_PCIHIDR;
- u16 vendor = id & 0xFFFF;
- u16 device = (id >> 16) & 0xFFFF;
-
- if (vendor == PCI_VENDOR_ID_PLX && device == PCI_DEVICE_ID_PLX_9080) {
- printk (KERN_INFO
- "PCI: PLX Technology PCI9080 HOST/PCI bridge\n");
-
- MB_A_PCI_PCICR = 0x147;
-
- MB_A_PCI_PCIBAR0 = 0x007FFF00;
- MB_A_PCI_PCIBAR1 = 0x0000FF00;
- MB_A_PCI_PCIBAR2 = 0x00800000;
-
- MB_A_PCI_PCILTR = 0x20;
-
- MB_A_PCI_PCIPBAM |= 0x3;
-
- MB_A_PCI_PCISR = ~0; /* Clear errors. */
-
- /* Reprogram the motherboard's IO/config address space,
- as we don't support the GCS7 address space that the
- default uses. */
-
- /* Significant address bits used for decoding PCI GCS5 space
- accesses. */
- MB_A_PCI_DMRR = ~(MB_A_PCI_MEM_SIZE - 1);
-
- /* I don't understand this, but the SolutionGear example code
- uses such an offset, and it doesn't work without it. XXX */
-#if GCS5_SIZE == 0x00800000
-#define GCS5_CFG_OFFS 0x00800000
-#else
-#define GCS5_CFG_OFFS 0
-#endif
-
- /* Address bit values for matching. Note that we have to give
- the address from the motherboard's point of view, which is
- different than the CPU's. */
- /* PCI memory space. */
- MB_A_PCI_DMLBAM = GCS5_CFG_OFFS + 0x0;
- /* PCI I/O space. */
- MB_A_PCI_DMLBAI =
- GCS5_CFG_OFFS + (MB_A_PCI_IO_ADDR - GCS5_ADDR);
-
- mb_pci_bus = pci_scan_bus (0, &mb_pci_config_ops, 0);
-
- pcibios_assign_resources ();
- } else
- printk (KERN_ERR "PCI: HOST/PCI bridge not found\n");
-
- return 0;
-}
-
-subsys_initcall (pcibios_init);
-
-char __devinit *pcibios_setup (char *option)
-{
- /* Don't handle any options. */
- return option;
-}
-
-
-int __nomods_init pcibios_enable_device (struct pci_dev *dev, int mask)
-{
- u16 cmd, old_cmd;
- int idx;
- struct resource *r;
-
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- old_cmd = cmd;
- for (idx = 0; idx < 6; idx++) {
- r = &dev->resource[idx];
- if (!r->start && r->end) {
- printk(KERN_ERR "PCI: Device %s not available because "
- "of resource collisions\n", pci_name(dev));
- return -EINVAL;
- }
- if (r->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (r->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
- if (cmd != old_cmd) {
- printk("PCI: Enabling device %s (%04x -> %04x)\n",
- pci_name(dev), old_cmd, cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- }
- return 0;
-}
-
-
-/* Resource allocation. */
-static void __devinit pcibios_assign_resources (void)
-{
- struct pci_dev *dev = NULL;
- struct resource *r;
-
- for_each_pci_dev(dev) {
- unsigned di_num;
- unsigned class = dev->class >> 8;
-
- if (class && class != PCI_CLASS_BRIDGE_HOST) {
- unsigned r_num;
- for(r_num = 0; r_num < 6; r_num++) {
- r = &dev->resource[r_num];
- if (!r->start && r->end)
- pci_assign_resource (dev, r_num);
- }
- }
-
- /* Assign interrupts. */
- for (di_num = 0; di_num < NUM_MB_PCI_DEV_IRQS; di_num++) {
- struct mb_pci_dev_irq *di = &mb_pci_dev_irqs[di_num];
-
- if (di->dev == PCI_SLOT (dev->devfn)) {
- unsigned irq = di->irq_base;
-
- if (di->query_pin) {
- /* Find out which interrupt pin
- this device uses (each PCI
- slot has 4). */
- u8 irq_pin;
-
- pci_read_config_byte (dev,
- PCI_INTERRUPT_PIN,
- &irq_pin);
-
- if (irq_pin == 0)
- /* Doesn't use interrupts. */
- continue;
- else
- irq += irq_pin - 1;
- }
-
- pcibios_update_irq (dev, irq);
- }
- }
- }
-}
-
-void __devinit pcibios_update_irq (struct pci_dev *dev, int irq)
-{
- dev->irq = irq;
- pci_write_config_byte (dev, PCI_INTERRUPT_LINE, irq);
-}
-
-void __devinit
-pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
- struct resource *res)
-{
- unsigned long offset = 0;
-
- if (res->flags & IORESOURCE_IO) {
- offset = MB_A_PCI_IO_ADDR;
- } else if (res->flags & IORESOURCE_MEM) {
- offset = MB_A_PCI_MEM_ADDR;
- }
-
- region->start = res->start - offset;
- region->end = res->end - offset;
-}
-
-
-/* Stubs for things we don't use. */
-
-/* Called after each bus is probed, but before its children are examined. */
-void pcibios_fixup_bus(struct pci_bus *b)
-{
-}
-
-void
-pcibios_align_resource (void *data, struct resource *res,
- resource_size_t size, resource_size_t align)
-{
-}
-
-void pcibios_set_master (struct pci_dev *dev)
-{
-}
-
-
-/* Mother-A SRAM memory allocation. This is a simple first-fit allocator. */
-
-/* A memory free-list node. */
-struct mb_sram_free_area {
- void *mem;
- unsigned long size;
- struct mb_sram_free_area *next;
-};
-
-/* The tail of the free-list, which starts out containing all the SRAM. */
-static struct mb_sram_free_area mb_sram_free_tail = {
- (void *)MB_A_SRAM_ADDR, MB_A_SRAM_SIZE, 0
-};
-
-/* The free-list. */
-static struct mb_sram_free_area *mb_sram_free_areas = &mb_sram_free_tail;
-
-/* The free-list of free free-list nodes. (:-) */
-static struct mb_sram_free_area *mb_sram_free_free_areas = 0;
-
-/* Spinlock protecting the above globals. */
-static DEFINE_SPINLOCK(mb_sram_lock);
-
-/* Allocate a memory block at least SIZE bytes long in the Mother-A SRAM
- space. */
-static void *alloc_mb_sram (size_t size)
-{
- struct mb_sram_free_area *prev, *fa;
- unsigned long flags;
- void *mem = 0;
-
- spin_lock_irqsave (mb_sram_lock, flags);
-
- /* Look for a free area that can contain SIZE bytes. */
- for (prev = 0, fa = mb_sram_free_areas; fa; prev = fa, fa = fa->next)
- if (fa->size >= size) {
- /* Found one! */
- mem = fa->mem;
-
- if (fa->size == size) {
- /* In fact, it fits exactly, so remove
- this node from the free-list. */
- if (prev)
- prev->next = fa->next;
- else
- mb_sram_free_areas = fa->next;
- /* Put it on the free-list-entry-free-list. */
- fa->next = mb_sram_free_free_areas;
- mb_sram_free_free_areas = fa;
- } else {
- /* FA is bigger than SIZE, so just
- reduce its size to account for this
- allocation. */
- fa->mem += size;
- fa->size -= size;
- }
-
- break;
- }
-
- spin_unlock_irqrestore (mb_sram_lock, flags);
-
- return mem;
-}
-
-/* Return the memory area MEM of size SIZE to the MB SRAM free pool. */
-static void free_mb_sram (void *mem, size_t size)
-{
- struct mb_sram_free_area *prev, *fa, *new_fa;
- unsigned long flags;
- void *end = mem + size;
-
- spin_lock_irqsave (mb_sram_lock, flags);
-
- retry:
- /* Find an adjacent free-list entry. */
- for (prev = 0, fa = mb_sram_free_areas; fa; prev = fa, fa = fa->next)
- if (fa->mem == end) {
- /* FA is just after MEM, grow down to encompass it. */
- fa->mem = mem;
- fa->size += size;
- goto done;
- } else if (fa->mem + fa->size == mem) {
- struct mb_sram_free_area *next_fa = fa->next;
-
- /* FA is just before MEM, expand to encompass it. */
- fa->size += size;
-
- /* See if FA can now be merged with its successor. */
- if (next_fa && fa->mem + fa->size == next_fa->mem) {
- /* Yup; merge NEXT_FA's info into FA. */
- fa->size += next_fa->size;
- fa->next = next_fa->next;
- /* Free NEXT_FA. */
- next_fa->next = mb_sram_free_free_areas;
- mb_sram_free_free_areas = next_fa;
- }
- goto done;
- } else if (fa->mem > mem)
- /* We've reached the right spot in the free-list
- without finding an adjacent free-area, so add
- a new free area to hold mem. */
- break;
-
- /* Make a new free-list entry. */
-
- /* First, get a free-list entry. */
- if (! mb_sram_free_free_areas) {
- /* There are none, so make some. */
- void *block;
- size_t block_size = sizeof (struct mb_sram_free_area) * 8;
-
- /* Don't hold the lock while calling kmalloc (I'm not
- sure whether it would be a problem, since we use
- GFP_ATOMIC, but it makes me nervous). */
- spin_unlock_irqrestore (mb_sram_lock, flags);
-
- block = kmalloc (block_size, GFP_ATOMIC);
- if (! block)
- panic ("free_mb_sram: can't allocate free-list entry");
-
- /* Now get the lock back. */
- spin_lock_irqsave (mb_sram_lock, flags);
-
- /* Add the new free free-list entries. */
- while (block_size > 0) {
- struct mb_sram_free_area *nfa = block;
- nfa->next = mb_sram_free_free_areas;
- mb_sram_free_free_areas = nfa;
- block += sizeof *nfa;
- block_size -= sizeof *nfa;
- }
-
- /* Since we dropped the lock to call kmalloc, the
- free-list could have changed, so retry from the
- beginning. */
- goto retry;
- }
-
- /* Remove NEW_FA from the free-list of free-list entries. */
- new_fa = mb_sram_free_free_areas;
- mb_sram_free_free_areas = new_fa->next;
-
- /* NEW_FA initially holds only MEM. */
- new_fa->mem = mem;
- new_fa->size = size;
-
- /* Insert NEW_FA in the free-list between PREV and FA. */
- new_fa->next = fa;
- if (prev)
- prev->next = new_fa;
- else
- mb_sram_free_areas = new_fa;
-
- done:
- spin_unlock_irqrestore (mb_sram_lock, flags);
-}
-
-
-/* Maintainence of CPU -> Mother-A DMA mappings. */
-
-struct dma_mapping {
- void *cpu_addr;
- void *mb_sram_addr;
- size_t size;
- struct dma_mapping *next;
-};
-
-/* A list of mappings from CPU addresses to MB SRAM addresses for active
- DMA blocks (that have been `granted' to the PCI device). */
-static struct dma_mapping *active_dma_mappings = 0;
-
-/* A list of free mapping objects. */
-static struct dma_mapping *free_dma_mappings = 0;
-
-/* Spinlock protecting the above globals. */
-static DEFINE_SPINLOCK(dma_mappings_lock);
-
-static struct dma_mapping *new_dma_mapping (size_t size)
-{
- unsigned long flags;
- struct dma_mapping *mapping;
- void *mb_sram_block = alloc_mb_sram (size);
-
- if (! mb_sram_block)
- return 0;
-
- spin_lock_irqsave (dma_mappings_lock, flags);
-
- if (! free_dma_mappings) {
- /* We're out of mapping structures, make more. */
- void *mblock;
- size_t mblock_size = sizeof (struct dma_mapping) * 8;
-
- /* Don't hold the lock while calling kmalloc (I'm not
- sure whether it would be a problem, since we use
- GFP_ATOMIC, but it makes me nervous). */
- spin_unlock_irqrestore (dma_mappings_lock, flags);
-
- mblock = kmalloc (mblock_size, GFP_ATOMIC);
- if (! mblock) {
- free_mb_sram (mb_sram_block, size);
- return 0;
- }
-
- /* Get the lock back. */
- spin_lock_irqsave (dma_mappings_lock, flags);
-
- /* Add the new mapping structures to the free-list. */
- while (mblock_size > 0) {
- struct dma_mapping *fm = mblock;
- fm->next = free_dma_mappings;
- free_dma_mappings = fm;
- mblock += sizeof *fm;
- mblock_size -= sizeof *fm;
- }
- }
-
- /* Get a mapping struct from the freelist. */
- mapping = free_dma_mappings;
- free_dma_mappings = mapping->next;
-
- /* Initialize the mapping. Other fields should be filled in by
- caller. */
- mapping->mb_sram_addr = mb_sram_block;
- mapping->size = size;
-
- /* Add it to the list of active mappings. */
- mapping->next = active_dma_mappings;
- active_dma_mappings = mapping;
-
- spin_unlock_irqrestore (dma_mappings_lock, flags);
-
- return mapping;
-}
-
-static struct dma_mapping *find_dma_mapping (void *mb_sram_addr)
-{
- unsigned long flags;
- struct dma_mapping *mapping;
-
- spin_lock_irqsave (dma_mappings_lock, flags);
-
- for (mapping = active_dma_mappings; mapping; mapping = mapping->next)
- if (mapping->mb_sram_addr == mb_sram_addr) {
- spin_unlock_irqrestore (dma_mappings_lock, flags);
- return mapping;
- }
-
- panic ("find_dma_mapping: unmapped PCI DMA addr 0x%x",
- MB_SRAM_TO_PCI (mb_sram_addr));
-}
-
-static struct dma_mapping *deactivate_dma_mapping (void *mb_sram_addr)
-{
- unsigned long flags;
- struct dma_mapping *mapping, *prev;
-
- spin_lock_irqsave (dma_mappings_lock, flags);
-
- for (prev = 0, mapping = active_dma_mappings;
- mapping;
- prev = mapping, mapping = mapping->next)
- {
- if (mapping->mb_sram_addr == mb_sram_addr) {
- /* This is the MAPPING; deactivate it. */
- if (prev)
- prev->next = mapping->next;
- else
- active_dma_mappings = mapping->next;
-
- spin_unlock_irqrestore (dma_mappings_lock, flags);
-
- return mapping;
- }
- }
-
- panic ("deactivate_dma_mapping: unmapped PCI DMA addr 0x%x",
- MB_SRAM_TO_PCI (mb_sram_addr));
-}
-
-/* Return MAPPING to the freelist. */
-static inline void
-free_dma_mapping (struct dma_mapping *mapping)
-{
- unsigned long flags;
-
- free_mb_sram (mapping->mb_sram_addr, mapping->size);
-
- spin_lock_irqsave (dma_mappings_lock, flags);
-
- mapping->next = free_dma_mappings;
- free_dma_mappings = mapping;
-
- spin_unlock_irqrestore (dma_mappings_lock, flags);
-}
-
-
-/* Single PCI DMA mappings. */
-
-/* `Grant' to PDEV the memory block at CPU_ADDR, for doing DMA. The
- 32-bit PCI bus mastering address to use is returned. the device owns
- this memory until either pci_unmap_single or pci_dma_sync_single is
- performed. */
-dma_addr_t
-pci_map_single (struct pci_dev *pdev, void *cpu_addr, size_t size, int dir)
-{
- struct dma_mapping *mapping = new_dma_mapping (size);
-
- if (! mapping)
- return 0;
-
- mapping->cpu_addr = cpu_addr;
-
- if (dir == PCI_DMA_BIDIRECTIONAL || dir == PCI_DMA_TODEVICE)
- memcpy (mapping->mb_sram_addr, cpu_addr, size);
-
- return MB_SRAM_TO_PCI (mapping->mb_sram_addr);
-}
-
-/* Return to the CPU the PCI DMA memory block previously `granted' to
- PDEV, at DMA_ADDR. */
-void pci_unmap_single (struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
- int dir)
-{
- void *mb_sram_addr = PCI_TO_MB_SRAM (dma_addr);
- struct dma_mapping *mapping = deactivate_dma_mapping (mb_sram_addr);
-
- if (size != mapping->size)
- panic ("pci_unmap_single: size (%d) doesn't match"
- " size of mapping at PCI DMA addr 0x%x (%d)\n",
- size, dma_addr, mapping->size);
-
- /* Copy back the DMA'd contents if necessary. */
- if (dir == PCI_DMA_BIDIRECTIONAL || dir == PCI_DMA_FROMDEVICE)
- memcpy (mapping->cpu_addr, mb_sram_addr, size);
-
- /* Return mapping to the freelist. */
- free_dma_mapping (mapping);
-}
-
-/* Make physical memory consistent for a single streaming mode DMA
- translation after a transfer.
-
- If you perform a pci_map_single() but wish to interrogate the
- buffer using the cpu, yet do not wish to teardown the PCI dma
- mapping, you must call this function before doing so. At the next
- point you give the PCI dma address back to the card, you must first
- perform a pci_dma_sync_for_device, and then the device again owns
- the buffer. */
-void
-pci_dma_sync_single_for_cpu (struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
- int dir)
-{
- void *mb_sram_addr = PCI_TO_MB_SRAM (dma_addr);
- struct dma_mapping *mapping = find_dma_mapping (mb_sram_addr);
-
- /* Synchronize the DMA buffer with the CPU buffer if necessary. */
- if (dir == PCI_DMA_FROMDEVICE)
- memcpy (mapping->cpu_addr, mb_sram_addr, size);
- else if (dir == PCI_DMA_TODEVICE)
- ; /* nothing to do */
- else
- panic("pci_dma_sync_single: unsupported sync dir: %d", dir);
-}
-
-void
-pci_dma_sync_single_for_device (struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
- int dir)
-{
- void *mb_sram_addr = PCI_TO_MB_SRAM (dma_addr);
- struct dma_mapping *mapping = find_dma_mapping (mb_sram_addr);
-
- /* Synchronize the DMA buffer with the CPU buffer if necessary. */
- if (dir == PCI_DMA_FROMDEVICE)
- ; /* nothing to do */
- else if (dir == PCI_DMA_TODEVICE)
- memcpy (mb_sram_addr, mapping->cpu_addr, size);
- else
- panic("pci_dma_sync_single: unsupported sync dir: %d", dir);
-}
-
-
-/* Scatter-gather PCI DMA mappings. */
-
-/* Do multiple DMA mappings at once. */
-int
-pci_map_sg (struct pci_dev *pdev, struct scatterlist *sg, int sg_len, int dir)
-{
- BUG ();
- return 0;
-}
-
-/* Unmap multiple DMA mappings at once. */
-void
-pci_unmap_sg (struct pci_dev *pdev, struct scatterlist *sg, int sg_len,int dir)
-{
- BUG ();
-}
-
-/* Make physical memory consistent for a set of streaming mode DMA
- translations after a transfer. The same as pci_dma_sync_single_* but
- for a scatter-gather list, same rules and usage. */
-
-void
-pci_dma_sync_sg_for_cpu (struct pci_dev *dev,
- struct scatterlist *sg, int sg_len,
- int dir)
-{
- BUG ();
-}
-
-void
-pci_dma_sync_sg_for_device (struct pci_dev *dev,
- struct scatterlist *sg, int sg_len,
- int dir)
-{
- BUG ();
-}
-
-
-/* PCI mem mapping. */
-
-/* Allocate and map kernel buffer using consistent mode DMA for PCI
- device. Returns non-NULL cpu-view pointer to the buffer if
- successful and sets *DMA_ADDR to the pci side dma address as well,
- else DMA_ADDR is undefined. */
-void *
-pci_alloc_consistent (struct pci_dev *pdev, size_t size, dma_addr_t *dma_addr)
-{
- void *mb_sram_mem = alloc_mb_sram (size);
- if (mb_sram_mem)
- *dma_addr = MB_SRAM_TO_PCI (mb_sram_mem);
- return mb_sram_mem;
-}
-
-/* Free and unmap a consistent DMA buffer. CPU_ADDR and DMA_ADDR must
- be values that were returned from pci_alloc_consistent. SIZE must be
- the same as what as passed into pci_alloc_consistent. References to
- the memory and mappings associated with CPU_ADDR or DMA_ADDR past
- this call are illegal. */
-void
-pci_free_consistent (struct pci_dev *pdev, size_t size, void *cpu_addr,
- dma_addr_t dma_addr)
-{
- void *mb_sram_mem = PCI_TO_MB_SRAM (dma_addr);
- free_mb_sram (mb_sram_mem, size);
-}
-
-
-/* iomap/iomap */
-
-void __iomem *pci_iomap (struct pci_dev *dev, int bar, unsigned long max)
-{
- resource_size_t start = pci_resource_start (dev, bar);
- resource_size_t len = pci_resource_len (dev, bar);
-
- if (!start || len == 0)
- return 0;
-
- /* None of the ioremap functions actually do anything, other than
- re-casting their argument, so don't bother differentiating them. */
- return ioremap (start, len);
-}
-
-void pci_iounmap (struct pci_dev *dev, void __iomem *addr)
-{
- /* nothing */
-}
-
-
-/* symbol exports (for modules) */
-
-EXPORT_SYMBOL (pci_map_single);
-EXPORT_SYMBOL (pci_unmap_single);
-EXPORT_SYMBOL (pci_alloc_consistent);
-EXPORT_SYMBOL (pci_free_consistent);
-EXPORT_SYMBOL (pci_dma_sync_single_for_cpu);
-EXPORT_SYMBOL (pci_dma_sync_single_for_device);
-EXPORT_SYMBOL (pci_iomap);
-EXPORT_SYMBOL (pci_iounmap);
diff --git a/arch/v850/kernel/rte_me2_cb.c b/arch/v850/kernel/rte_me2_cb.c
deleted file mode 100644
index 46803d48dff..00000000000
--- a/arch/v850/kernel/rte_me2_cb.c
+++ /dev/null
@@ -1,298 +0,0 @@
-/*
- * arch/v850/kernel/rte_me2_cb.c -- Midas labs RTE-V850E/ME2-CB board
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <linux/irq.h>
-#include <linux/fs.h>
-#include <linux/major.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/me2.h>
-#include <asm/rte_me2_cb.h>
-#include <asm/machdep.h>
-#include <asm/v850e_intc.h>
-#include <asm/v850e_cache.h>
-#include <asm/irq.h>
-
-#include "mach.h"
-
-extern unsigned long *_intv_start;
-extern unsigned long *_intv_end;
-
-/* LED access routines. */
-extern unsigned read_leds (int pos, char *buf, int len);
-extern unsigned write_leds (int pos, const char *buf, int len);
-
-
-/* SDRAM are almost contiguous (with a small hole in between;
- see mach_reserve_bootmem for details), so just use both as one big area. */
-#define RAM_START SDRAM_ADDR
-#define RAM_END (SDRAM_ADDR + SDRAM_SIZE)
-
-
-void __init mach_get_physical_ram (unsigned long *ram_start,
- unsigned long *ram_len)
-{
- *ram_start = RAM_START;
- *ram_len = RAM_END - RAM_START;
-}
-
-void mach_gettimeofday (struct timespec *tv)
-{
- tv->tv_sec = 0;
- tv->tv_nsec = 0;
-}
-
-/* Called before configuring an on-chip UART. */
-void rte_me2_cb_uart_pre_configure (unsigned chan,
- unsigned cflags, unsigned baud)
-{
- /* The RTE-V850E/ME2-CB connects some general-purpose I/O
- pins on the CPU to the RTS/CTS lines of UARTB channel 0's
- serial connection.
- I/O pins P21 and P22 are RTS and CTS respectively. */
- if (chan == 0) {
- /* Put P21 & P22 in I/O port mode. */
- ME2_PORT2_PMC &= ~0x6;
- /* Make P21 and output, and P22 an input. */
- ME2_PORT2_PM = (ME2_PORT2_PM & ~0xC) | 0x4;
- }
-
- me2_uart_pre_configure (chan, cflags, baud);
-}
-
-void __init mach_init_irqs (void)
-{
- /* Initialize interrupts. */
- me2_init_irqs ();
- rte_me2_cb_init_irqs ();
-}
-
-#ifdef CONFIG_ROM_KERNEL
-/* Initialization for kernel in ROM. */
-static inline rom_kernel_init (void)
-{
- /* If the kernel is in ROM, we have to copy any initialized data
- from ROM into RAM. */
- extern unsigned long _data_load_start, _sdata, _edata;
- register unsigned long *src = &_data_load_start;
- register unsigned long *dst = &_sdata, *end = &_edata;
-
- while (dst != end)
- *dst++ = *src++;
-}
-#endif /* CONFIG_ROM_KERNEL */
-
-static void install_interrupt_vectors (void)
-{
- unsigned long *p1, *p2;
-
- ME2_IRAMM = 0x03; /* V850E/ME2 iRAM write mode */
-
- /* vector copy to iRAM */
- p1 = (unsigned long *)0; /* v85x vector start */
- p2 = (unsigned long *)&_intv_start;
- while (p2 < (unsigned long *)&_intv_end)
- *p1++ = *p2++;
-
- ME2_IRAMM = 0x00; /* V850E/ME2 iRAM read mode */
-}
-
-/* CompactFlash */
-
-static void cf_power_on (void)
-{
- /* CF card detected? */
- if (CB_CF_STS0 & 0x0030)
- return;
-
- CB_CF_REG0 = 0x0002; /* reest on */
- mdelay (10);
- CB_CF_REG0 = 0x0003; /* power on */
- mdelay (10);
- CB_CF_REG0 = 0x0001; /* reset off */
- mdelay (10);
-}
-
-static void cf_power_off (void)
-{
- CB_CF_REG0 = 0x0003; /* power on */
- mdelay (10);
- CB_CF_REG0 = 0x0002; /* reest on */
- mdelay (10);
-}
-
-void __init mach_early_init (void)
-{
- install_interrupt_vectors ();
-
- /* CS1 SDRAM instruction cache enable */
- v850e_cache_enable (0x04, 0x03, 0);
-
- rte_cb_early_init ();
-
- /* CompactFlash power on */
- cf_power_on ();
-
-#if defined (CONFIG_ROM_KERNEL)
- rom_kernel_init ();
-#endif
-}
-
-
-/* RTE-V850E/ME2-CB Programmable Interrupt Controller. */
-
-static struct cb_pic_irq_init cb_pic_irq_inits[] = {
- { "CB_EXTTM0", IRQ_CB_EXTTM0, 1, 1, 6 },
- { "CB_EXTSIO", IRQ_CB_EXTSIO, 1, 1, 6 },
- { "CB_TOVER", IRQ_CB_TOVER, 1, 1, 6 },
- { "CB_GINT0", IRQ_CB_GINT0, 1, 1, 6 },
- { "CB_USB", IRQ_CB_USB, 1, 1, 6 },
- { "CB_LANC", IRQ_CB_LANC, 1, 1, 6 },
- { "CB_USB_VBUS_ON", IRQ_CB_USB_VBUS_ON, 1, 1, 6 },
- { "CB_USB_VBUS_OFF", IRQ_CB_USB_VBUS_OFF, 1, 1, 6 },
- { "CB_EXTTM1", IRQ_CB_EXTTM1, 1, 1, 6 },
- { "CB_EXTTM2", IRQ_CB_EXTTM2, 1, 1, 6 },
- { 0 }
-};
-#define NUM_CB_PIC_IRQ_INITS (ARRAY_SIZE(cb_pic_irq_inits) - 1)
-
-static struct hw_interrupt_type cb_pic_hw_itypes[NUM_CB_PIC_IRQ_INITS];
-static unsigned char cb_pic_active_irqs = 0;
-
-void __init rte_me2_cb_init_irqs (void)
-{
- cb_pic_init_irq_types (cb_pic_irq_inits, cb_pic_hw_itypes);
-
- /* Initalize on board PIC1 (not PIC0) enable */
- CB_PIC_INT0M = 0x0000;
- CB_PIC_INT1M = 0x0000;
- CB_PIC_INTR = 0x0000;
- CB_PIC_INTEN |= CB_PIC_INT1EN;
-
- ME2_PORT2_PMC |= 0x08; /* INTP23/SCK1 mode */
- ME2_PORT2_PFC &= ~0x08; /* INTP23 mode */
- ME2_INTR(2) &= ~0x08; /* INTP23 falling-edge detect */
- ME2_INTF(2) &= ~0x08; /* " */
-
- rte_cb_init_irqs (); /* gbus &c */
-}
-
-
-/* Enable interrupt handling for interrupt IRQ. */
-void cb_pic_enable_irq (unsigned irq)
-{
- CB_PIC_INT1M |= 1 << (irq - CB_PIC_BASE_IRQ);
-}
-
-void cb_pic_disable_irq (unsigned irq)
-{
- CB_PIC_INT1M &= ~(1 << (irq - CB_PIC_BASE_IRQ));
-}
-
-void cb_pic_shutdown_irq (unsigned irq)
-{
- cb_pic_disable_irq (irq);
-
- if (--cb_pic_active_irqs == 0)
- free_irq (IRQ_CB_PIC, 0);
-
- CB_PIC_INT1M &= ~(1 << (irq - CB_PIC_BASE_IRQ));
-}
-
-static irqreturn_t cb_pic_handle_irq (int irq, void *dev_id,
- struct pt_regs *regs)
-{
- irqreturn_t rval = IRQ_NONE;
- unsigned status = CB_PIC_INTR;
- unsigned enable = CB_PIC_INT1M;
-
- /* Only pay attention to enabled interrupts. */
- status &= enable;
-
- CB_PIC_INTEN &= ~CB_PIC_INT1EN;
-
- if (status) {
- unsigned mask = 1;
-
- irq = CB_PIC_BASE_IRQ;
- do {
- /* There's an active interrupt, find out which one,
- and call its handler. */
- while (! (status & mask)) {
- irq++;
- mask <<= 1;
- }
- status &= ~mask;
-
- CB_PIC_INTR = mask;
-
- /* Recursively call handle_irq to handle it. */
- handle_irq (irq, regs);
- rval = IRQ_HANDLED;
- } while (status);
- }
-
- CB_PIC_INTEN |= CB_PIC_INT1EN;
-
- return rval;
-}
-
-
-static void irq_nop (unsigned irq) { }
-
-static unsigned cb_pic_startup_irq (unsigned irq)
-{
- int rval;
-
- if (cb_pic_active_irqs == 0) {
- rval = request_irq (IRQ_CB_PIC, cb_pic_handle_irq,
- IRQF_DISABLED, "cb_pic_handler", 0);
- if (rval != 0)
- return rval;
- }
-
- cb_pic_active_irqs++;
-
- cb_pic_enable_irq (irq);
-
- return 0;
-}
-
-/* Initialize HW_IRQ_TYPES for INTC-controlled irqs described in array
- INITS (which is terminated by an entry with the name field == 0). */
-void __init cb_pic_init_irq_types (struct cb_pic_irq_init *inits,
- struct hw_interrupt_type *hw_irq_types)
-{
- struct cb_pic_irq_init *init;
- for (init = inits; init->name; init++) {
- struct hw_interrupt_type *hwit = hw_irq_types++;
-
- hwit->typename = init->name;
-
- hwit->startup = cb_pic_startup_irq;
- hwit->shutdown = cb_pic_shutdown_irq;
- hwit->enable = cb_pic_enable_irq;
- hwit->disable = cb_pic_disable_irq;
- hwit->ack = irq_nop;
- hwit->end = irq_nop;
-
- /* Initialize kernel IRQ infrastructure for this interrupt. */
- init_irq_handlers(init->base, init->num, init->interval, hwit);
- }
-}
diff --git a/arch/v850/kernel/rte_me2_cb.ld b/arch/v850/kernel/rte_me2_cb.ld
deleted file mode 100644
index cf0766065ec..00000000000
--- a/arch/v850/kernel/rte_me2_cb.ld
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Linker script for the Midas labs RTE-V850E/ME2-CB evaluation board
- (CONFIG_RTE_CB_ME2), with kernel in SDRAM. */
-
-MEMORY {
- /* 128Kbyte of IRAM */
- IRAM : ORIGIN = 0x00000000, LENGTH = 0x00020000
-
- /* 32MB of SDRAM. */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-#define KRAM SDRAM
-
-SECTIONS {
- .text : {
- __kram_start = . ;
- TEXT_CONTENTS
- INTV_CONTENTS /* copy to iRAM (0x0-0x620) */
- } > KRAM
-
- .data : {
- DATA_CONTENTS
- BSS_CONTENTS
- RAMK_INIT_CONTENTS
- __kram_end = . ;
- BOOTMAP_CONTENTS
- } > KRAM
-
- .root ALIGN (4096) : { ROOT_FS_CONTENTS } > SDRAM
-}
diff --git a/arch/v850/kernel/rte_nb85e_cb-multi.ld b/arch/v850/kernel/rte_nb85e_cb-multi.ld
deleted file mode 100644
index de347b4fffa..00000000000
--- a/arch/v850/kernel/rte_nb85e_cb-multi.ld
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Linker script for the Midas labs RTE-NB85E-CB evaluation board
- (CONFIG_RTE_CB_NB85E), with the Multi debugger ROM monitor . */
-
-MEMORY {
- /* 1MB of SRAM; we can't use the last 96KB, because it's used by
- the monitor scratch-RAM. This memory is mirrored 4 times. */
- SRAM : ORIGIN = SRAM_ADDR, LENGTH = (SRAM_SIZE - MON_SCRATCH_SIZE)
- /* Monitor scratch RAM; only the interrupt vectors should go here. */
- MRAM : ORIGIN = MON_SCRATCH_ADDR, LENGTH = MON_SCRATCH_SIZE
- /* 16MB of SDRAM. */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-#ifdef CONFIG_RTE_CB_NB85E_KSRAM
-# define KRAM SRAM
-#else
-# define KRAM SDRAM
-#endif
-
-SECTIONS {
- /* We can't use RAMK_KRAM_CONTENTS because that puts the whole
- kernel in a single ELF segment, and the Multi debugger (which
- we use to load the kernel) appears to have bizarre problems
- dealing with it. */
-
- .text : {
- __kram_start = . ;
- TEXT_CONTENTS
- } > KRAM
-
- .data : {
- DATA_CONTENTS
- BSS_CONTENTS
- RAMK_INIT_CONTENTS
- __kram_end = . ;
- BOOTMAP_CONTENTS
-
- /* The address at which the interrupt vectors are initially
- loaded by the loader. We can't load the interrupt vectors
- directly into their target location, because the monitor
- ROM for the GHS Multi debugger barfs if we try.
- Unfortunately, Multi also doesn't deal correctly with ELF
- sections where the LMA and VMA differ (it just ignores the
- LMA), so we can't use that feature to work around the
- problem! What we do instead is just put the interrupt
- vectors into a normal section, and have the
- `mach_early_init' function for Midas boards do the
- necessary copying and relocation at runtime (this section
- basically only contains `jr' instructions, so it's not
- that hard). */
- . = ALIGN (0x10) ;
- __intv_load_start = . ;
- INTV_CONTENTS
- } > KRAM
-
- .root ALIGN (4096) : { ROOT_FS_CONTENTS } > SDRAM
-}
diff --git a/arch/v850/kernel/rte_nb85e_cb.c b/arch/v850/kernel/rte_nb85e_cb.c
deleted file mode 100644
index b4a045da5d7..00000000000
--- a/arch/v850/kernel/rte_nb85e_cb.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * arch/v850/kernel/rte_nb85e_cb.c -- Midas labs RTE-V850E/NB85E-CB board
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/bootmem.h>
-#include <linux/irq.h>
-
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/v850e.h>
-#include <asm/rte_nb85e_cb.h>
-
-#include "mach.h"
-
-void __init mach_early_init (void)
-{
- /* Configure caching; some possible settings:
-
- BHC = 0x0000, DCC = 0x0000 -- all caching disabled
- BHC = 0x0040, DCC = 0x0000 -- SDRAM: icache only
- BHC = 0x0080, DCC = 0x0C00 -- SDRAM: write-back dcache only
- BHC = 0x00C0, DCC = 0x0C00 -- SDRAM: icache + write-back dcache
- BHC = 0x00C0, DCC = 0x0800 -- SDRAM: icache + write-thru dcache
-
- We can only cache SDRAM (we can't use cache SRAM because it's in
- the same memory region as the on-chip RAM and I/O space).
-
- Unfortunately, the dcache seems to be buggy, so we only use the
- icache for now. */
- v850e_cache_enable (0x0040 /*BHC*/, 0x0003 /*ICC*/, 0x0000 /*DCC*/);
-
- rte_cb_early_init ();
-}
-
-void __init mach_get_physical_ram (unsigned long *ram_start,
- unsigned long *ram_len)
-{
- /* We just use SDRAM here. */
- *ram_start = SDRAM_ADDR;
- *ram_len = SDRAM_SIZE;
-}
-
-void mach_gettimeofday (struct timespec *tv)
-{
- tv->tv_sec = 0;
- tv->tv_nsec = 0;
-}
-
-/* Called before configuring an on-chip UART. */
-void rte_nb85e_cb_uart_pre_configure (unsigned chan,
- unsigned cflags, unsigned baud)
-{
- /* The RTE-NB85E-CB connects some general-purpose I/O pins on the
- CPU to the RTS/CTS lines the UART's serial connection, as follows:
- P00 = CTS (in), P01 = DSR (in), P02 = RTS (out), P03 = DTR (out). */
-
- TEG_PORT0_PM = 0x03; /* P00 and P01 inputs, P02 and P03 outputs */
- TEG_PORT0_IO = 0x03; /* Accept input */
-
- /* Do pre-configuration for the actual UART. */
- teg_uart_pre_configure (chan, cflags, baud);
-}
-
-void __init mach_init_irqs (void)
-{
- teg_init_irqs ();
- rte_cb_init_irqs ();
-}
diff --git a/arch/v850/kernel/rte_nb85e_cb.ld b/arch/v850/kernel/rte_nb85e_cb.ld
deleted file mode 100644
index b672f484f08..00000000000
--- a/arch/v850/kernel/rte_nb85e_cb.ld
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Linker script for the Midas labs RTE-NB85E-CB evaluation board
- (CONFIG_RTE_CB_NB85E). */
-
-MEMORY {
- LOW : ORIGIN = 0x0, LENGTH = 0x00100000
- /* 1MB of SRAM This memory is mirrored 4 times. */
- SRAM : ORIGIN = SRAM_ADDR, LENGTH = SRAM_SIZE
- /* 16MB of SDRAM. */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-#ifdef CONFIG_RTE_CB_NB85E_KSRAM
-# define KRAM SRAM
-#else
-# define KRAM SDRAM
-#endif
-
-SECTIONS {
- .intv : { INTV_CONTENTS } > LOW
- .sram : { RAMK_KRAM_CONTENTS } > KRAM
- .root : { ROOT_FS_CONTENTS } > SDRAM
-}
diff --git a/arch/v850/kernel/setup.c b/arch/v850/kernel/setup.c
deleted file mode 100644
index a0a8456a843..00000000000
--- a/arch/v850/kernel/setup.c
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- * arch/v850/kernel/setup.c -- Arch-dependent initialization functions
- *
- * Copyright (C) 2001,02,03,05,06 NEC Electronics Corporation
- * Copyright (C) 2001,02,03,05,06 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-#include <linux/swap.h> /* we don't have swap, but for nr_free_pages */
-#include <linux/irq.h>
-#include <linux/reboot.h>
-#include <linux/personality.h>
-#include <linux/major.h>
-#include <linux/root_dev.h>
-#include <linux/mtd/mtd.h>
-#include <linux/init.h>
-
-#include <asm/irq.h>
-#include <asm/setup.h>
-
-#include "mach.h"
-
-/* These symbols are all defined in the linker map to delineate various
- statically allocated regions of memory. */
-
-extern char _intv_start, _intv_end;
-/* `kram' is only used if the kernel uses part of normal user RAM. */
-extern char _kram_start __attribute__ ((__weak__));
-extern char _kram_end __attribute__ ((__weak__));
-extern char _init_start, _init_end;
-extern char _bootmap;
-extern char _stext, _etext, _sdata, _edata, _sbss, _ebss;
-/* Many platforms use an embedded root image. */
-extern char _root_fs_image_start __attribute__ ((__weak__));
-extern char _root_fs_image_end __attribute__ ((__weak__));
-
-
-char __initdata command_line[COMMAND_LINE_SIZE];
-
-/* Memory not used by the kernel. */
-static unsigned long total_ram_pages;
-
-/* System RAM. */
-static unsigned long ram_start = 0, ram_len = 0;
-
-
-#define ADDR_TO_PAGE_UP(x) ((((unsigned long)x) + PAGE_SIZE-1) >> PAGE_SHIFT)
-#define ADDR_TO_PAGE(x) (((unsigned long)x) >> PAGE_SHIFT)
-#define PAGE_TO_ADDR(x) (((unsigned long)x) << PAGE_SHIFT)
-
-static void init_mem_alloc (unsigned long ram_start, unsigned long ram_len);
-
-void set_mem_root (void *addr, size_t len, char *cmd_line);
-
-
-void __init setup_arch (char **cmdline)
-{
- /* Keep a copy of command line */
- *cmdline = command_line;
- memcpy (boot_command_line, command_line, COMMAND_LINE_SIZE);
- boot_command_line[COMMAND_LINE_SIZE - 1] = '\0';
-
- console_verbose ();
-
- init_mm.start_code = (unsigned long) &_stext;
- init_mm.end_code = (unsigned long) &_etext;
- init_mm.end_data = (unsigned long) &_edata;
- init_mm.brk = (unsigned long) &_kram_end;
-
- /* Find out what mem this machine has. */
- mach_get_physical_ram (&ram_start, &ram_len);
- /* ... and tell the kernel about it. */
- init_mem_alloc (ram_start, ram_len);
-
- printk (KERN_INFO "CPU: %s\nPlatform: %s\n",
- CPU_MODEL_LONG, PLATFORM_LONG);
-
- /* do machine-specific setups. */
- mach_setup (cmdline);
-
-#ifdef CONFIG_MTD
- if (!ROOT_DEV && &_root_fs_image_end > &_root_fs_image_start)
- set_mem_root (&_root_fs_image_start,
- &_root_fs_image_end - &_root_fs_image_start,
- *cmdline);
-#endif
-}
-
-void __init trap_init (void)
-{
-}
-
-#ifdef CONFIG_MTD
-
-/* From drivers/mtd/devices/slram.c */
-#define SLRAM_BLK_SZ 0x4000
-
-/* Set the root filesystem to be the given memory region.
- Some parameter may be appended to CMD_LINE. */
-void set_mem_root (void *addr, size_t len, char *cmd_line)
-{
- /* Some sort of idiocy in MTD means we must supply a length that's
- a multiple of SLRAM_BLK_SZ. We just round up the real length,
- as the file system shouldn't attempt to access anything beyond
- the end of the image anyway. */
- len = (((len - 1) + SLRAM_BLK_SZ) / SLRAM_BLK_SZ) * SLRAM_BLK_SZ;
-
- /* The only way to pass info to the MTD slram driver is via
- the command line. */
- if (*cmd_line) {
- cmd_line += strlen (cmd_line);
- *cmd_line++ = ' ';
- }
- sprintf (cmd_line, "slram=root,0x%x,+0x%x", (u32)addr, (u32)len);
-
- ROOT_DEV = MKDEV (MTD_BLOCK_MAJOR, 0);
-}
-#endif
-
-
-static void irq_nop (unsigned irq) { }
-static unsigned irq_zero (unsigned irq) { return 0; }
-
-static void nmi_end (unsigned irq)
-{
- if (irq != IRQ_NMI (0)) {
- printk (KERN_CRIT "NMI %d is unrecoverable; restarting...",
- irq - IRQ_NMI (0));
- machine_restart (0);
- }
-}
-
-static struct hw_interrupt_type nmi_irq_type = {
- .typename = "NMI",
- .startup = irq_zero, /* startup */
- .shutdown = irq_nop, /* shutdown */
- .enable = irq_nop, /* enable */
- .disable = irq_nop, /* disable */
- .ack = irq_nop, /* ack */
- .end = nmi_end, /* end */
-};
-
-void __init init_IRQ (void)
-{
- init_irq_handlers (0, NUM_MACH_IRQS, 1, 0);
- init_irq_handlers (IRQ_NMI (0), NUM_NMIS, 1, &nmi_irq_type);
- mach_init_irqs ();
-}
-
-
-void __init mem_init (void)
-{
- max_mapnr = MAP_NR (ram_start + ram_len);
-
- num_physpages = ADDR_TO_PAGE (ram_len);
-
- total_ram_pages = free_all_bootmem ();
-
- printk (KERN_INFO
- "Memory: %luK/%luK available"
- " (%luK kernel code, %luK data)\n",
- PAGE_TO_ADDR (nr_free_pages()) / 1024,
- ram_len / 1024,
- ((unsigned long)&_etext - (unsigned long)&_stext) / 1024,
- ((unsigned long)&_ebss - (unsigned long)&_sdata) / 1024);
-}
-
-void free_initmem (void)
-{
- unsigned long ram_end = ram_start + ram_len;
- unsigned long start = PAGE_ALIGN ((unsigned long)(&_init_start));
-
- if (start >= ram_start && start < ram_end) {
- unsigned long addr;
- unsigned long end = PAGE_ALIGN ((unsigned long)(&_init_end));
-
- if (end > ram_end)
- end = ram_end;
-
- printk("Freeing unused kernel memory: %ldK freed\n",
- (end - start) / 1024);
-
- for (addr = start; addr < end; addr += PAGE_SIZE) {
- struct page *page = virt_to_page (addr);
- ClearPageReserved (page);
- init_page_count (page);
- __free_page (page);
- total_ram_pages++;
- }
- }
-}
-
-
-/* Initialize the `bootmem allocator'. RAM_START and RAM_LEN identify
- what RAM may be used. */
-static void __init
-init_bootmem_alloc (unsigned long ram_start, unsigned long ram_len)
-{
- /* The part of the kernel that's in the same managed RAM space
- used for general allocation. */
- unsigned long kram_start = (unsigned long)&_kram_start;
- unsigned long kram_end = (unsigned long)&_kram_end;
- /* End of the managed RAM space. */
- unsigned long ram_end = ram_start + ram_len;
- /* Address range of the interrupt vector table. */
- unsigned long intv_start = (unsigned long)&_intv_start;
- unsigned long intv_end = (unsigned long)&_intv_end;
- /* True if the interrupt vectors are in the managed RAM area. */
- int intv_in_ram = (intv_end > ram_start && intv_start < ram_end);
- /* True if the interrupt vectors are inside the kernel's RAM. */
- int intv_in_kram = (intv_end > kram_start && intv_start < kram_end);
- /* A pointer to an optional function that reserves platform-specific
- memory regions. We declare the pointer `volatile' to avoid gcc
- turning the call into a static call (the problem is that since
- it's a weak symbol, a static call may end up trying to reference
- the location 0x0, which is not always reachable). */
- void (*volatile mrb) (void) = mach_reserve_bootmem;
- /* The bootmem allocator's allocation bitmap. */
- unsigned long bootmap = (unsigned long)&_bootmap;
- unsigned long bootmap_len;
-
- /* Round bootmap location up to next page. */
- bootmap = PAGE_TO_ADDR (ADDR_TO_PAGE_UP (bootmap));
-
- /* Initialize bootmem allocator. */
- bootmap_len = init_bootmem_node (NODE_DATA (0),
- ADDR_TO_PAGE (bootmap),
- ADDR_TO_PAGE (PAGE_OFFSET),
- ADDR_TO_PAGE (ram_end));
-
- /* Now make the RAM actually allocatable (it starts out `reserved'). */
- free_bootmem (ram_start, ram_len);
-
- if (kram_end > kram_start)
- /* Reserve the RAM part of the kernel's address space, so it
- doesn't get allocated. */
- reserve_bootmem(kram_start, kram_end - kram_start,
- BOOTMEM_DEFAULT);
-
- if (intv_in_ram && !intv_in_kram)
- /* Reserve the interrupt vector space. */
- reserve_bootmem(intv_start, intv_end - intv_start,
- BOOTMEM_DEFAULT);
-
- if (bootmap >= ram_start && bootmap < ram_end)
- /* Reserve the bootmap space. */
- reserve_bootmem(bootmap, bootmap_len,
- BOOTMEM_DEFAULT);
-
- /* Reserve the memory used by the root filesystem image if it's
- in RAM. */
- if (&_root_fs_image_end > &_root_fs_image_start
- && (unsigned long)&_root_fs_image_start >= ram_start
- && (unsigned long)&_root_fs_image_start < ram_end)
- reserve_bootmem ((unsigned long)&_root_fs_image_start,
- &_root_fs_image_end - &_root_fs_image_start,
- BOOTMEM_DEFAULT);
-
- /* Let the platform-dependent code reserve some too. */
- if (mrb)
- (*mrb) ();
-}
-
-/* Tell the kernel about what RAM it may use for memory allocation. */
-static void __init
-init_mem_alloc (unsigned long ram_start, unsigned long ram_len)
-{
- unsigned i;
- unsigned long zones_size[MAX_NR_ZONES];
-
- init_bootmem_alloc (ram_start, ram_len);
-
- for (i = 0; i < MAX_NR_ZONES; i++)
- zones_size[i] = 0;
-
- /* We stuff all the memory into one area, which includes the
- initial gap from PAGE_OFFSET to ram_start. */
- zones_size[ZONE_DMA]
- = ADDR_TO_PAGE (ram_len + (ram_start - PAGE_OFFSET));
-
- /* The allocator is very picky about the address of the first
- allocatable page -- it must be at least as aligned as the
- maximum allocation -- so try to detect cases where it will get
- confused and signal them at compile time (this is a common
- problem when porting to a new platform with ). There is a
- similar runtime check in free_area_init_core. */
-#if ((PAGE_OFFSET >> PAGE_SHIFT) & ((1UL << (MAX_ORDER - 1)) - 1))
-#error MAX_ORDER is too large for given PAGE_OFFSET (use CONFIG_FORCE_MAX_ZONEORDER to change it)
-#endif
- NODE_DATA(0)->node_mem_map = NULL;
- free_area_init_node (0, NODE_DATA(0), zones_size,
- ADDR_TO_PAGE (PAGE_OFFSET), 0);
-}
-
-
-
-/* Taken from m68knommu */
-void show_mem(void)
-{
- unsigned long i;
- int free = 0, total = 0, reserved = 0, shared = 0;
- int cached = 0;
-
- printk(KERN_INFO "\nMem-info:\n");
- show_free_areas();
- i = max_mapnr;
- while (i-- > 0) {
- total++;
- if (PageReserved(mem_map+i))
- reserved++;
- else if (PageSwapCache(mem_map+i))
- cached++;
- else if (!page_count(mem_map+i))
- free++;
- else
- shared += page_count(mem_map+i) - 1;
- }
- printk(KERN_INFO "%d pages of RAM\n",total);
- printk(KERN_INFO "%d free pages\n",free);
- printk(KERN_INFO "%d reserved pages\n",reserved);
- printk(KERN_INFO "%d pages shared\n",shared);
- printk(KERN_INFO "%d pages swap cached\n",cached);
-}
diff --git a/arch/v850/kernel/signal.c b/arch/v850/kernel/signal.c
deleted file mode 100644
index bf166e7e762..00000000000
--- a/arch/v850/kernel/signal.c
+++ /dev/null
@@ -1,523 +0,0 @@
-/*
- * arch/v850/kernel/signal.c -- Signal handling
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- * Copyright (C) 1999,2000,2002 Niibe Yutaka & Kaz Kojima
- * Copyright (C) 1991,1992 Linus Torvalds
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson
- *
- * This file was derived from the sh version, arch/sh/kernel/signal.c
- */
-
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/kernel.h>
-#include <linux/signal.h>
-#include <linux/errno.h>
-#include <linux/wait.h>
-#include <linux/ptrace.h>
-#include <linux/unistd.h>
-#include <linux/stddef.h>
-#include <linux/personality.h>
-#include <linux/tty.h>
-
-#include <asm/ucontext.h>
-#include <asm/uaccess.h>
-#include <asm/pgtable.h>
-#include <asm/pgalloc.h>
-#include <asm/thread_info.h>
-#include <asm/cacheflush.h>
-
-#define DEBUG_SIG 0
-
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-
-asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset);
-
-/*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-asmlinkage int
-sys_sigsuspend(old_sigset_t mask, struct pt_regs *regs)
-{
- sigset_t saveset;
-
- mask &= _BLOCKABLE;
- spin_lock_irq(&current->sighand->siglock);
- saveset = current->blocked;
- siginitset(&current->blocked, mask);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- regs->gpr[GPR_RVAL] = -EINTR;
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- if (do_signal(regs, &saveset))
- return -EINTR;
- }
-}
-
-asmlinkage int
-sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize,
- struct pt_regs *regs)
-{
- sigset_t saveset, newset;
-
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (sigsetsize != sizeof(sigset_t))
- return -EINVAL;
-
- if (copy_from_user(&newset, unewset, sizeof(newset)))
- return -EFAULT;
- sigdelsetmask(&newset, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- saveset = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- regs->gpr[GPR_RVAL] = -EINTR;
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- if (do_signal(regs, &saveset))
- return -EINTR;
- }
-}
-
-asmlinkage int
-sys_sigaction(int sig, const struct old_sigaction *act,
- struct old_sigaction *oact)
-{
- struct k_sigaction new_ka, old_ka;
- int ret;
-
- if (act) {
- old_sigset_t mask;
- if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
- __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
- __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
- return -EFAULT;
- __get_user(new_ka.sa.sa_flags, &act->sa_flags);
- __get_user(mask, &act->sa_mask);
- siginitset(&new_ka.sa.sa_mask, mask);
- }
-
- ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
- if (!ret && oact) {
- if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
- __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
- __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
- return -EFAULT;
- __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
- __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
- }
-
- return ret;
-}
-
-asmlinkage int
-sys_sigaltstack(const stack_t *uss, stack_t *uoss,
- struct pt_regs *regs)
-{
- return do_sigaltstack(uss, uoss, regs->gpr[GPR_SP]);
-}
-
-
-/*
- * Do a signal return; undo the signal stack.
- */
-
-struct sigframe
-{
- struct sigcontext sc;
- unsigned long extramask[_NSIG_WORDS-1];
- unsigned long tramp[2]; /* signal trampoline */
-};
-
-struct rt_sigframe
-{
- struct siginfo info;
- struct ucontext uc;
- unsigned long tramp[2]; /* signal trampoline */
-};
-
-static int
-restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc, int *rval_p)
-{
- unsigned int err = 0;
-
-#define COPY(x) err |= __get_user(regs->x, &sc->regs.x)
- COPY(gpr[0]); COPY(gpr[1]); COPY(gpr[2]); COPY(gpr[3]);
- COPY(gpr[4]); COPY(gpr[5]); COPY(gpr[6]); COPY(gpr[7]);
- COPY(gpr[8]); COPY(gpr[9]); COPY(gpr[10]); COPY(gpr[11]);
- COPY(gpr[12]); COPY(gpr[13]); COPY(gpr[14]); COPY(gpr[15]);
- COPY(gpr[16]); COPY(gpr[17]); COPY(gpr[18]); COPY(gpr[19]);
- COPY(gpr[20]); COPY(gpr[21]); COPY(gpr[22]); COPY(gpr[23]);
- COPY(gpr[24]); COPY(gpr[25]); COPY(gpr[26]); COPY(gpr[27]);
- COPY(gpr[28]); COPY(gpr[29]); COPY(gpr[30]); COPY(gpr[31]);
- COPY(pc); COPY(psw);
- COPY(ctpc); COPY(ctpsw); COPY(ctbp);
-#undef COPY
-
- return err;
-}
-
-asmlinkage int sys_sigreturn(struct pt_regs *regs)
-{
- struct sigframe *frame = (struct sigframe *)regs->gpr[GPR_SP];
- sigset_t set;
- int rval;
-
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
- goto badframe;
-
- if (__get_user(set.sig[0], &frame->sc.oldmask)
- || (_NSIG_WORDS > 1
- && __copy_from_user(&set.sig[1], &frame->extramask,
- sizeof(frame->extramask))))
- goto badframe;
-
- sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- if (restore_sigcontext(regs, &frame->sc, &rval))
- goto badframe;
- return rval;
-
-badframe:
- force_sig(SIGSEGV, current);
- return 0;
-}
-
-asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
-{
- struct rt_sigframe *frame = (struct rt_sigframe *)regs->gpr[GPR_SP];
- sigset_t set;
- stack_t st;
- int rval;
-
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
- goto badframe;
-
- if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
- goto badframe;
-
- sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-
- if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &rval))
- goto badframe;
-
- if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
- goto badframe;
- /* It is more difficult to avoid calling this function than to
- call it and ignore errors. */
- do_sigaltstack(&st, NULL, regs->gpr[GPR_SP]);
-
- return rval;
-
-badframe:
- force_sig(SIGSEGV, current);
- return 0;
-}
-
-/*
- * Set up a signal frame.
- */
-
-static int
-setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs,
- unsigned long mask)
-{
- int err = 0;
-
-#define COPY(x) err |= __put_user(regs->x, &sc->regs.x)
- COPY(gpr[0]); COPY(gpr[1]); COPY(gpr[2]); COPY(gpr[3]);
- COPY(gpr[4]); COPY(gpr[5]); COPY(gpr[6]); COPY(gpr[7]);
- COPY(gpr[8]); COPY(gpr[9]); COPY(gpr[10]); COPY(gpr[11]);
- COPY(gpr[12]); COPY(gpr[13]); COPY(gpr[14]); COPY(gpr[15]);
- COPY(gpr[16]); COPY(gpr[17]); COPY(gpr[18]); COPY(gpr[19]);
- COPY(gpr[20]); COPY(gpr[21]); COPY(gpr[22]); COPY(gpr[23]);
- COPY(gpr[24]); COPY(gpr[25]); COPY(gpr[26]); COPY(gpr[27]);
- COPY(gpr[28]); COPY(gpr[29]); COPY(gpr[30]); COPY(gpr[31]);
- COPY(pc); COPY(psw);
- COPY(ctpc); COPY(ctpsw); COPY(ctbp);
-#undef COPY
-
- err |= __put_user(mask, &sc->oldmask);
-
- return err;
-}
-
-/*
- * Determine which stack to use..
- */
-static inline void *
-get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
-{
- /* Default to using normal stack */
- unsigned long sp = regs->gpr[GPR_SP];
-
- if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! sas_ss_flags(sp))
- sp = current->sas_ss_sp + current->sas_ss_size;
-
- return (void *)((sp - frame_size) & -8UL);
-}
-
-static void setup_frame(int sig, struct k_sigaction *ka,
- sigset_t *set, struct pt_regs *regs)
-{
- struct sigframe *frame;
- int err = 0;
- int signal;
-
- frame = get_sigframe(ka, regs, sizeof(*frame));
-
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- goto give_sigsegv;
-
- signal = current_thread_info()->exec_domain
- && current_thread_info()->exec_domain->signal_invmap
- && sig < 32
- ? current_thread_info()->exec_domain->signal_invmap[sig]
- : sig;
-
- err |= setup_sigcontext(&frame->sc, regs, set->sig[0]);
-
- if (_NSIG_WORDS > 1) {
- err |= __copy_to_user(frame->extramask, &set->sig[1],
- sizeof(frame->extramask));
- }
-
- /* Set up to return from userspace. If provided, use a stub
- already in userspace. */
- if (ka->sa.sa_flags & SA_RESTORER) {
- regs->gpr[GPR_LP] = (unsigned long) ka->sa.sa_restorer;
- } else {
- /* Note, these encodings are _little endian_! */
-
- /* addi __NR_sigreturn, r0, r12 */
- err |= __put_user(0x6600 | (__NR_sigreturn << 16),
- frame->tramp + 0);
- /* trap 0 */
- err |= __put_user(0x010007e0,
- frame->tramp + 1);
-
- regs->gpr[GPR_LP] = (unsigned long)frame->tramp;
-
- flush_cache_sigtramp (regs->gpr[GPR_LP]);
- }
-
- if (err)
- goto give_sigsegv;
-
- /* Set up registers for signal handler. */
- regs->pc = (v850_reg_t) ka->sa.sa_handler;
- regs->gpr[GPR_SP] = (v850_reg_t)frame;
- /* Signal handler args: */
- regs->gpr[GPR_ARG0] = signal; /* arg 0: signum */
- regs->gpr[GPR_ARG1] = (v850_reg_t)&frame->sc;/* arg 1: sigcontext */
-
- set_fs(USER_DS);
-
-#if DEBUG_SIG
- printk("SIG deliver (%s:%d): sp=%p pc=%08lx ra=%08lx\n",
- current->comm, current->pid, frame, regs->pc, );
-#endif
-
- return;
-
-give_sigsegv:
- force_sigsegv(sig, current);
-}
-
-static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- sigset_t *set, struct pt_regs *regs)
-{
- struct rt_sigframe *frame;
- int err = 0;
- int signal;
-
- frame = get_sigframe(ka, regs, sizeof(*frame));
-
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- goto give_sigsegv;
-
- signal = current_thread_info()->exec_domain
- && current_thread_info()->exec_domain->signal_invmap
- && sig < 32
- ? current_thread_info()->exec_domain->signal_invmap[sig]
- : sig;
-
- err |= copy_siginfo_to_user(&frame->info, info);
-
- /* Create the ucontext. */
- err |= __put_user(0, &frame->uc.uc_flags);
- err |= __put_user(0, &frame->uc.uc_link);
- err |= __put_user((void *)current->sas_ss_sp,
- &frame->uc.uc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(regs->gpr[GPR_SP]),
- &frame->uc.uc_stack.ss_flags);
- err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
- err |= setup_sigcontext(&frame->uc.uc_mcontext,
- regs, set->sig[0]);
- err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
-
- /* Set up to return from userspace. If provided, use a stub
- already in userspace. */
- if (ka->sa.sa_flags & SA_RESTORER) {
- regs->gpr[GPR_LP] = (unsigned long) ka->sa.sa_restorer;
- } else {
- /* Note, these encodings are _little endian_! */
-
- /* addi __NR_sigreturn, r0, r12 */
- err |= __put_user(0x6600 | (__NR_sigreturn << 16),
- frame->tramp + 0);
- /* trap 0 */
- err |= __put_user(0x010007e0,
- frame->tramp + 1);
-
- regs->gpr[GPR_LP] = (unsigned long)frame->tramp;
-
- flush_cache_sigtramp (regs->gpr[GPR_LP]);
- }
-
- if (err)
- goto give_sigsegv;
-
- /* Set up registers for signal handler. */
- regs->pc = (v850_reg_t) ka->sa.sa_handler;
- regs->gpr[GPR_SP] = (v850_reg_t)frame;
- /* Signal handler args: */
- regs->gpr[GPR_ARG0] = signal; /* arg 0: signum */
- regs->gpr[GPR_ARG1] = (v850_reg_t)&frame->info; /* arg 1: siginfo */
- regs->gpr[GPR_ARG2] = (v850_reg_t)&frame->uc; /* arg 2: ucontext */
-
- set_fs(USER_DS);
-
-#if DEBUG_SIG
- printk("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n",
- current->comm, current->pid, frame, regs->pc, regs->pr);
-#endif
-
- return;
-
-give_sigsegv:
- force_sigsegv(sig, current);
-}
-
-/*
- * OK, we're invoking a handler
- */
-
-static void
-handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
- sigset_t *oldset, struct pt_regs * regs)
-{
- /* Are we from a system call? */
- if (PT_REGS_SYSCALL (regs)) {
- /* If so, check system call restarting.. */
- switch (regs->gpr[GPR_RVAL]) {
- case -ERESTART_RESTARTBLOCK:
- current_thread_info()->restart_block.fn =
- do_no_restart_syscall;
- /* fall through */
- case -ERESTARTNOHAND:
- regs->gpr[GPR_RVAL] = -EINTR;
- break;
-
- case -ERESTARTSYS:
- if (!(ka->sa.sa_flags & SA_RESTART)) {
- regs->gpr[GPR_RVAL] = -EINTR;
- break;
- }
- /* fallthrough */
- case -ERESTARTNOINTR:
- regs->gpr[12] = PT_REGS_SYSCALL (regs);
- regs->pc -= 4; /* Size of `trap 0' insn. */
- }
-
- PT_REGS_SET_SYSCALL (regs, 0);
- }
-
- /* Set up the stack frame */
- if (ka->sa.sa_flags & SA_SIGINFO)
- setup_rt_frame(sig, ka, info, oldset, regs);
- else
- setup_frame(sig, ka, oldset, regs);
-
- spin_lock_irq(&current->sighand->siglock);
- sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
- if (!(ka->sa.sa_flags & SA_NODEFER))
- sigaddset(&current->blocked,sig);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
-}
-
-/*
- * Note that 'init' is a special process: it doesn't get signals it doesn't
- * want to handle. Thus you cannot kill init even with a SIGKILL even by
- * mistake.
- *
- * Note that we go through the signals twice: once to check the signals that
- * the kernel can handle, and then we build all the user-level signal handling
- * stack-frames in one go after that.
- */
-int do_signal(struct pt_regs *regs, sigset_t *oldset)
-{
- siginfo_t info;
- int signr;
- struct k_sigaction ka;
-
- /*
- * We want the common case to go fast, which
- * is why we may in certain cases get here from
- * kernel mode. Just return without doing anything
- * if so.
- */
- if (!user_mode(regs))
- return 1;
-
- if (!oldset)
- oldset = &current->blocked;
-
- signr = get_signal_to_deliver(&info, &ka, regs, NULL);
- if (signr > 0) {
- /* Whee! Actually deliver the signal. */
- handle_signal(signr, &info, &ka, oldset, regs);
- return 1;
- }
-
- /* Did we come from a system call? */
- if (PT_REGS_SYSCALL (regs)) {
- int rval = (int)regs->gpr[GPR_RVAL];
- /* Restart the system call - no handlers present */
- if (rval == -ERESTARTNOHAND
- || rval == -ERESTARTSYS
- || rval == -ERESTARTNOINTR)
- {
- regs->gpr[12] = PT_REGS_SYSCALL (regs);
- regs->pc -= 4; /* Size of `trap 0' insn. */
- }
- else if (rval == -ERESTART_RESTARTBLOCK) {
- regs->gpr[12] = __NR_restart_syscall;
- regs->pc -= 4; /* Size of `trap 0' insn. */
- }
- }
- return 0;
-}
diff --git a/arch/v850/kernel/sim.c b/arch/v850/kernel/sim.c
deleted file mode 100644
index 467b4aa0acd..00000000000
--- a/arch/v850/kernel/sim.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * arch/v850/kernel/sim.c -- Machine-specific stuff for GDB v850e simulator
- *
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/bootmem.h>
-#include <linux/irq.h>
-
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/machdep.h>
-#include <asm/simsyscall.h>
-
-#include "mach.h"
-
-/* The name of a file containing the root filesystem. */
-#define ROOT_FS "rootfs.image"
-
-extern void simcons_setup (void);
-extern void simcons_poll_ttys (void);
-extern void set_mem_root (void *addr, size_t len, char *cmd_line);
-
-static int read_file (const char *name,
- unsigned long *addr, unsigned long *len,
- const char **err);
-
-void __init mach_setup (char **cmdline)
-{
- const char *err;
- unsigned long root_dev_addr, root_dev_len;
-
- simcons_setup ();
-
- printk (KERN_INFO "Reading root filesystem: %s", ROOT_FS);
-
- if (read_file (ROOT_FS, &root_dev_addr, &root_dev_len, &err)) {
- printk (" (size %luK)\n", root_dev_len / 1024);
- set_mem_root ((void *)root_dev_addr, (size_t)root_dev_len,
- *cmdline);
- } else
- printk ("...%s failed!\n", err);
-}
-
-void mach_get_physical_ram (unsigned long *ram_start, unsigned long *ram_len)
-{
- *ram_start = RAM_ADDR;
- *ram_len = RAM_SIZE;
-}
-
-void __init mach_sched_init (struct irqaction *timer_action)
-{
- /* ...do magic timer initialization?... */
- mach_tick = simcons_poll_ttys;
- setup_irq (0, timer_action);
-}
-
-
-static void irq_nop (unsigned irq) { }
-static unsigned irq_zero (unsigned irq) { return 0; }
-
-static struct hw_interrupt_type sim_irq_type = {
- .typename = "IRQ",
- .startup = irq_zero, /* startup */
- .shutdown = irq_nop, /* shutdown */
- .enable = irq_nop, /* enable */
- .disable = irq_nop, /* disable */
- .ack = irq_nop, /* ack */
- .end = irq_nop, /* end */
-};
-
-void __init mach_init_irqs (void)
-{
- init_irq_handlers (0, NUM_MACH_IRQS, 1, &sim_irq_type);
-}
-
-
-void mach_gettimeofday (struct timespec *tv)
-{
- long timeval[2], timezone[2];
- int rval = V850_SIM_SYSCALL (gettimeofday, timeval, timezone);
- if (rval == 0) {
- tv->tv_sec = timeval[0];
- tv->tv_nsec = timeval[1] * 1000;
- }
-}
-
-void machine_restart (char *__unused)
-{
- V850_SIM_SYSCALL (write, 1, "RESTART\n", 8);
- V850_SIM_SYSCALL (exit, 0);
-}
-
-void machine_halt (void)
-{
- V850_SIM_SYSCALL (write, 1, "HALT\n", 5);
- V850_SIM_SYSCALL (exit, 0);
-}
-
-void machine_power_off (void)
-{
- V850_SIM_SYSCALL (write, 1, "POWER OFF\n", 10);
- V850_SIM_SYSCALL (exit, 0);
-}
-
-
-/* Load data from a file called NAME into ram. The address and length
- of the data image are returned in ADDR and LEN. */
-static int __init
-read_file (const char *name,
- unsigned long *addr, unsigned long *len,
- const char **err)
-{
- int rval, fd;
- unsigned long cur, left;
- /* Note this is not a normal stat buffer, it's an ad-hoc
- structure defined by the simulator. */
- unsigned long stat_buf[10];
-
- /* Stat the file to find out the length. */
- rval = V850_SIM_SYSCALL (stat, name, stat_buf);
- if (rval < 0) {
- if (err) *err = "stat";
- return 0;
- }
- *len = stat_buf[4];
-
- /* Open the file; `0' is O_RDONLY. */
- fd = V850_SIM_SYSCALL (open, name, 0);
- if (fd < 0) {
- if (err) *err = "open";
- return 0;
- }
-
- *addr = (unsigned long)alloc_bootmem(*len);
- if (! *addr) {
- V850_SIM_SYSCALL (close, fd);
- if (err) *err = "alloc_bootmem";
- return 0;
- }
-
- cur = *addr;
- left = *len;
- while (left > 0) {
- int chunk = V850_SIM_SYSCALL (read, fd, cur, left);
- if (chunk <= 0)
- break;
- cur += chunk;
- left -= chunk;
- }
- V850_SIM_SYSCALL (close, fd);
- if (left > 0) {
- /* Some read failed. */
- free_bootmem (*addr, *len);
- if (err) *err = "read";
- return 0;
- }
-
- return 1;
-}
diff --git a/arch/v850/kernel/sim.ld b/arch/v850/kernel/sim.ld
deleted file mode 100644
index 101885f3c9f..00000000000
--- a/arch/v850/kernel/sim.ld
+++ /dev/null
@@ -1,13 +0,0 @@
-/* Linker script for the gdb v850e simulator (CONFIG_V850E_SIM). */
-
-MEMORY {
- /* Interrupt vectors. */
- INTV : ORIGIN = 0x0, LENGTH = 0xe0
- /* Main RAM. */
- RAM : ORIGIN = RAM_ADDR, LENGTH = RAM_SIZE
-}
-
-SECTIONS {
- .intv : { INTV_CONTENTS } > INTV
- .ram : { RAMK_KRAM_CONTENTS } > RAM
-}
diff --git a/arch/v850/kernel/sim85e2.c b/arch/v850/kernel/sim85e2.c
deleted file mode 100644
index 566dde5e607..00000000000
--- a/arch/v850/kernel/sim85e2.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * arch/v850/kernel/sim85e2.c -- Machine-specific stuff for
- * V850E2 RTL simulator
- *
- * Copyright (C) 2002,03 NEC Electronics Corporation
- * Copyright (C) 2002,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/bootmem.h>
-#include <linux/irq.h>
-
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/machdep.h>
-
-#include "mach.h"
-
-
-/* There are 4 possible areas we can use:
-
- IRAM (1MB) is fast for instruction fetches, but slow for data
- DRAM (1020KB) is fast for data, but slow for instructions
- ERAM is cached, so should be fast for both insns and data
- SDRAM is external DRAM, similar to ERAM
-*/
-
-#define INIT_MEMC_FOR_SDRAM
-#define USE_SDRAM_AREA
-#define KERNEL_IN_SDRAM_AREA
-
-#define DCACHE_MODE V850E2_CACHE_BTSC_DCM_WT
-/*#define DCACHE_MODE V850E2_CACHE_BTSC_DCM_WB_ALLOC*/
-
-#ifdef USE_SDRAM_AREA
-#define RAM_START SDRAM_ADDR
-#define RAM_END (SDRAM_ADDR + SDRAM_SIZE)
-#else
-/* When we use DRAM, we need to account for the fact that the end of it is
- used for R0_RAM. */
-#define RAM_START DRAM_ADDR
-#define RAM_END R0_RAM_ADDR
-#endif
-
-
-extern void memcons_setup (void);
-
-
-#ifdef KERNEL_IN_SDRAM_AREA
-#define EARLY_INIT_SECTION_ATTR __attribute__ ((section (".early.text")))
-#else
-#define EARLY_INIT_SECTION_ATTR __init
-#endif
-
-void EARLY_INIT_SECTION_ATTR mach_early_init (void)
-{
- /* The sim85e2 simulator tracks `undefined' values, so to make
- debugging easier, we begin by zeroing out all otherwise
- undefined registers. This is not strictly necessary.
-
- The registers we zero are:
- Every GPR except:
- stack-pointer (r3)
- task-pointer (r16)
- our return addr (r31)
- Every system register (SPR) that we know about except for
- the PSW (SPR 5), which we zero except for the
- disable-interrupts bit.
- */
-
- /* GPRs */
- asm volatile (" mov r0, r1 ; mov r0, r2 ");
- asm volatile ("mov r0, r4 ; mov r0, r5 ; mov r0, r6 ; mov r0, r7 ");
- asm volatile ("mov r0, r8 ; mov r0, r9 ; mov r0, r10; mov r0, r11");
- asm volatile ("mov r0, r12; mov r0, r13; mov r0, r14; mov r0, r15");
- asm volatile (" mov r0, r17; mov r0, r18; mov r0, r19");
- asm volatile ("mov r0, r20; mov r0, r21; mov r0, r22; mov r0, r23");
- asm volatile ("mov r0, r24; mov r0, r25; mov r0, r26; mov r0, r27");
- asm volatile ("mov r0, r28; mov r0, r29; mov r0, r30");
-
- /* SPRs */
- asm volatile ("ldsr r0, 0; ldsr r0, 1; ldsr r0, 2; ldsr r0, 3");
- asm volatile ("ldsr r0, 4");
- asm volatile ("addi 0x20, r0, r1; ldsr r1, 5"); /* PSW */
- asm volatile ("ldsr r0, 16; ldsr r0, 17; ldsr r0, 18; ldsr r0, 19");
- asm volatile ("ldsr r0, 20");
-
-
-#ifdef INIT_MEMC_FOR_SDRAM
- /* Settings for SDRAM controller. */
- V850E2_VSWC = 0x0042;
- V850E2_BSC = 0x9286;
- V850E2_BCT(0) = 0xb000; /* was: 0 */
- V850E2_BCT(1) = 0x000b;
- V850E2_ASC = 0;
- V850E2_LBS = 0xa9aa; /* was: 0xaaaa */
- V850E2_LBC(0) = 0;
- V850E2_LBC(1) = 0; /* was: 0x3 */
- V850E2_BCC = 0;
- V850E2_RFS(4) = 0x800a; /* was: 0xf109 */
- V850E2_SCR(4) = 0x2091; /* was: 0x20a1 */
- V850E2_RFS(3) = 0x800c;
- V850E2_SCR(3) = 0x20a1;
- V850E2_DWC(0) = 0;
- V850E2_DWC(1) = 0;
-#endif
-
-#if 0
-#ifdef CONFIG_V850E2_SIM85E2S
- /* Turn on the caches. */
- V850E2_CACHE_BTSC = V850E2_CACHE_BTSC_ICM | DCACHE_MODE;
- V850E2_BHC = 0x1010;
-#elif CONFIG_V850E2_SIM85E2C
- V850E2_CACHE_BTSC |= (V850E2_CACHE_BTSC_ICM | V850E2_CACHE_BTSC_DCM0);
- V850E2_BUSM_BHC = 0xFFFF;
-#endif
-#else
- V850E2_BHC = 0;
-#endif
-
- /* Don't stop the simulator at `halt' instructions. */
- SIM85E2_NOTHAL = 1;
-
- /* Ensure that the simulator halts on a panic, instead of going
- into an infinite loop inside the panic function. */
- panic_timeout = -1;
-}
-
-void __init mach_setup (char **cmdline)
-{
- memcons_setup ();
-}
-
-void mach_get_physical_ram (unsigned long *ram_start, unsigned long *ram_len)
-{
- *ram_start = RAM_START;
- *ram_len = RAM_END - RAM_START;
-}
-
-void __init mach_sched_init (struct irqaction *timer_action)
-{
- /* The simulator actually cycles through all interrupts
- periodically. We just pay attention to IRQ0, which gives us
- 1/64 the rate of the periodic interrupts. */
- setup_irq (0, timer_action);
-}
-
-void mach_gettimeofday (struct timespec *tv)
-{
- tv->tv_sec = 0;
- tv->tv_nsec = 0;
-}
-
-/* Interrupts */
-
-struct v850e_intc_irq_init irq_inits[] = {
- { "IRQ", 0, NUM_MACH_IRQS, 1, 7 },
- { 0 }
-};
-struct hw_interrupt_type hw_itypes[1];
-
-/* Initialize interrupts. */
-void __init mach_init_irqs (void)
-{
- v850e_intc_init_irq_types (irq_inits, hw_itypes);
-}
-
-
-void machine_halt (void) __attribute__ ((noreturn));
-void machine_halt (void)
-{
- SIM85E2_SIMFIN = 0; /* Halt immediately. */
- for (;;) {}
-}
-
-void machine_restart (char *__unused)
-{
- machine_halt ();
-}
-
-void machine_power_off (void)
-{
- machine_halt ();
-}
-
diff --git a/arch/v850/kernel/sim85e2.ld b/arch/v850/kernel/sim85e2.ld
deleted file mode 100644
index 7470fd2ffb5..00000000000
--- a/arch/v850/kernel/sim85e2.ld
+++ /dev/null
@@ -1,36 +0,0 @@
-/* Linker script for the sim85e2c simulator, which is a verilog simulation of
- the V850E2 NA85E2C cpu core (CONFIG_V850E2_SIM85E2C). */
-
-MEMORY {
- /* 1MB of `instruction RAM', starting at 0.
- Instruction fetches are much faster from IRAM than from DRAM. */
- IRAM : ORIGIN = IRAM_ADDR, LENGTH = IRAM_SIZE
-
- /* 1MB of `data RAM', below and contiguous with the I/O space.
- Data fetches are much faster from DRAM than from IRAM. */
- DRAM : ORIGIN = DRAM_ADDR, LENGTH = DRAM_SIZE
-
- /* `external ram' (CS1 area), comes after IRAM. */
- ERAM : ORIGIN = ERAM_ADDR, LENGTH = ERAM_SIZE
-
- /* Dynamic RAM; uses memory controller. */
- SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
-}
-
-SECTIONS {
- .iram : {
- INTV_CONTENTS
- *arch/v850/kernel/head.o
- *(.early.text)
- } > IRAM
- .dram : {
- _memcons_output = . ;
- . = . + 0x8000 ;
- _memcons_output_end = . ;
- } > DRAM
- .sdram : {
- /* We stick console output into a buffer here. */
- RAMK_KRAM_CONTENTS
- ROOT_FS_CONTENTS
- } > SDRAM
-}
diff --git a/arch/v850/kernel/simcons.c b/arch/v850/kernel/simcons.c
deleted file mode 100644
index 9973596ae30..00000000000
--- a/arch/v850/kernel/simcons.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * arch/v850/kernel/simcons.c -- Console I/O for GDB v850e simulator
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/console.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/tty_driver.h>
-#include <linux/init.h>
-
-#include <asm/poll.h>
-#include <asm/string.h>
-#include <asm/simsyscall.h>
-
-
-/* Low-level console. */
-
-static void simcons_write (struct console *co, const char *buf, unsigned len)
-{
- V850_SIM_SYSCALL (write, 1, buf, len);
-}
-
-static int simcons_read (struct console *co, char *buf, unsigned len)
-{
- return V850_SIM_SYSCALL (read, 0, buf, len);
-}
-
-static struct tty_driver *tty_driver;
-static struct tty_driver *simcons_device (struct console *c, int *index)
-{
- *index = c->index;
- return tty_driver;
-}
-
-static struct console simcons =
-{
- .name = "simcons",
- .write = simcons_write,
- .read = simcons_read,
- .device = simcons_device,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-/* Higher level TTY interface. */
-
-int simcons_tty_open (struct tty_struct *tty, struct file *filp)
-{
- return 0;
-}
-
-int simcons_tty_write (struct tty_struct *tty,
- const unsigned char *buf, int count)
-{
- return V850_SIM_SYSCALL (write, 1, buf, count);
-}
-
-int simcons_tty_write_room (struct tty_struct *tty)
-{
- /* Completely arbitrary. */
- return 0x100000;
-}
-
-int simcons_tty_chars_in_buffer (struct tty_struct *tty)
-{
- /* We have no buffer. */
- return 0;
-}
-
-static const struct tty_operations ops = {
- .open = simcons_tty_open,
- .write = simcons_tty_write,
- .write_room = simcons_tty_write_room,
- .chars_in_buffer = simcons_tty_chars_in_buffer,
-};
-
-int __init simcons_tty_init (void)
-{
- struct tty_driver *driver = alloc_tty_driver(1);
- int err;
- if (!driver)
- return -ENOMEM;
- driver->name = "simcons";
- driver->major = TTY_MAJOR;
- driver->minor_start = 64;
- driver->type = TTY_DRIVER_TYPE_SYSCONS;
- driver->init_termios = tty_std_termios;
- tty_set_operations(driver, &ops);
- err = tty_register_driver(driver);
- if (err) {
- put_tty_driver(driver);
- return err;
- }
- tty_driver = driver;
- return 0;
-}
-/* We use `late_initcall' instead of just `__initcall' as a workaround for
- the fact that (1) simcons_tty_init can't be called before tty_init,
- (2) tty_init is called via `module_init', (3) if statically linked,
- module_init == device_init, and (4) there's no ordering of init lists.
- We can do this easily because simcons is always statically linked, but
- other tty drivers that depend on tty_init and which must use
- `module_init' to declare their init routines are likely to be broken. */
-late_initcall(simcons_tty_init);
-
-/* Poll for input on the console, and if there's any, deliver it to the
- tty driver. */
-void simcons_poll_tty (struct tty_struct *tty)
-{
- char buf[32]; /* Not the nicest way to do it but I need it correct first */
- int flip = 0, send_break = 0;
- struct pollfd pfd;
- pfd.fd = 0;
- pfd.events = POLLIN;
-
- if (V850_SIM_SYSCALL (poll, &pfd, 1, 0) > 0) {
- if (pfd.revents & POLLIN) {
- /* Real block hardware knows the transfer size before
- transfer so the new tty buffering doesn't try to handle
- this rather weird simulator specific case well */
- int rd = V850_SIM_SYSCALL (read, 0, buf, 32);
- if (rd > 0) {
- tty_insert_flip_string(tty, buf, rd);
- flip = 1;
- } else
- send_break = 1;
- } else if (pfd.revents & POLLERR)
- send_break = 1;
- }
-
- if (send_break) {
- tty_insert_flip_char (tty, 0, TTY_BREAK);
- flip = 1;
- }
-
- if (flip)
- tty_schedule_flip (tty);
-}
-
-void simcons_poll_ttys (void)
-{
- if (tty_driver && tty_driver->ttys[0])
- simcons_poll_tty (tty_driver->ttys[0]);
-}
-
-void simcons_setup (void)
-{
- V850_SIM_SYSCALL (make_raw, 0);
- register_console (&simcons);
- printk (KERN_INFO "Console: GDB V850E simulator stdio\n");
-}
diff --git a/arch/v850/kernel/syscalls.c b/arch/v850/kernel/syscalls.c
deleted file mode 100644
index 1a83daf8e24..00000000000
--- a/arch/v850/kernel/syscalls.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * arch/v850/kernel/syscalls.c -- Various system-call definitions not
- * defined in machine-independent code
- *
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * This file was derived the ppc version, arch/ppc/kernel/syscalls.c
- * ... which was derived from "arch/i386/kernel/sys_i386.c" by Gary Thomas;
- * modified by Cort Dougan (cort@cs.nmt.edu)
- * and Paul Mackerras (paulus@cs.anu.edu.au).
- */
-
-#include <linux/errno.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/syscalls.h>
-#include <linux/sem.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/stat.h>
-#include <linux/mman.h>
-#include <linux/sys.h>
-#include <linux/ipc.h>
-#include <linux/utsname.h>
-#include <linux/file.h>
-
-#include <asm/uaccess.h>
-#include <asm/unistd.h>
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-int
-sys_ipc (uint call, int first, int second, int third, void *ptr, long fifth)
-{
- int version, ret;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
-
- ret = -EINVAL;
- switch (call) {
- case SEMOP:
- ret = sys_semop (first, (struct sembuf *)ptr, second);
- break;
- case SEMGET:
- ret = sys_semget (first, second, third);
- break;
- case SEMCTL:
- {
- union semun fourth;
-
- if (!ptr)
- break;
- if ((ret = access_ok(VERIFY_READ, ptr, sizeof(long)) ? 0 : -EFAULT)
- || (ret = get_user(fourth.__pad, (void **)ptr)))
- break;
- ret = sys_semctl (first, second, third, fourth);
- break;
- }
- case MSGSND:
- ret = sys_msgsnd (first, (struct msgbuf *) ptr, second, third);
- break;
- case MSGRCV:
- switch (version) {
- case 0: {
- struct ipc_kludge tmp;
-
- if (!ptr)
- break;
- if ((ret = access_ok(VERIFY_READ, ptr, sizeof(tmp)) ? 0 : -EFAULT)
- || (ret = copy_from_user(&tmp,
- (struct ipc_kludge *) ptr,
- sizeof (tmp))))
- break;
- ret = sys_msgrcv (first, tmp.msgp, second, tmp.msgtyp,
- third);
- break;
- }
- default:
- ret = sys_msgrcv (first, (struct msgbuf *) ptr,
- second, fifth, third);
- break;
- }
- break;
- case MSGGET:
- ret = sys_msgget ((key_t) first, second);
- break;
- case MSGCTL:
- ret = sys_msgctl (first, second, (struct msqid_ds *) ptr);
- break;
- case SHMAT:
- switch (version) {
- default: {
- ulong raddr;
-
- if ((ret = access_ok(VERIFY_WRITE, (ulong*) third,
- sizeof(ulong)) ? 0 : -EFAULT))
- break;
- ret = do_shmat (first, (char *) ptr, second, &raddr);
- if (ret)
- break;
- ret = put_user (raddr, (ulong *) third);
- break;
- }
- case 1: /* iBCS2 emulator entry point */
- if (!segment_eq(get_fs(), get_ds()))
- break;
- ret = do_shmat (first, (char *) ptr, second,
- (ulong *) third);
- break;
- }
- break;
- case SHMDT:
- ret = sys_shmdt ((char *)ptr);
- break;
- case SHMGET:
- ret = sys_shmget (first, second, third);
- break;
- case SHMCTL:
- ret = sys_shmctl (first, second, (struct shmid_ds *) ptr);
- break;
- }
-
- return ret;
-}
-
-static inline unsigned long
-do_mmap2 (unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff)
-{
- struct file * file = NULL;
- int ret = -EBADF;
-
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- if (! (flags & MAP_ANONYMOUS)) {
- if (!(file = fget (fd)))
- goto out;
- }
-
- down_write (&current->mm->mmap_sem);
- ret = do_mmap_pgoff (file, addr, len, prot, flags, pgoff);
- up_write (&current->mm->mmap_sem);
- if (file)
- fput (file);
-out:
- return ret;
-}
-
-unsigned long sys_mmap2 (unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff)
-{
- return do_mmap2 (addr, len, prot, flags, fd, pgoff);
-}
-
-unsigned long sys_mmap (unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, off_t offset)
-{
- int err = -EINVAL;
-
- if (offset & ~PAGE_MASK)
- goto out;
-
- err = do_mmap2 (addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
-out:
- return err;
-}
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename, char *const argv[], char *const envp[])
-{
- register char *__a __asm__ ("r6") = filename;
- register void *__b __asm__ ("r7") = argv;
- register void *__c __asm__ ("r8") = envp;
- register unsigned long __syscall __asm__ ("r12") = __NR_execve;
- register unsigned long __ret __asm__ ("r10");
- __asm__ __volatile__ ("trap 0"
- : "=r" (__ret), "=r" (__syscall)
- : "1" (__syscall), "r" (__a), "r" (__b), "r" (__c)
- : "r1", "r5", "r11", "r13", "r14",
- "r15", "r16", "r17", "r18", "r19");
- return __ret;
-}
diff --git a/arch/v850/kernel/teg.c b/arch/v850/kernel/teg.c
deleted file mode 100644
index 699248f92aa..00000000000
--- a/arch/v850/kernel/teg.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * arch/v850/kernel/teg.c -- NB85E-TEG cpu chip
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/bootmem.h>
-#include <linux/irq.h>
-
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/machdep.h>
-#include <asm/v850e_timer_d.h>
-
-#include "mach.h"
-
-void __init mach_sched_init (struct irqaction *timer_action)
-{
- /* Select timer interrupt instead of external pin. */
- TEG_ISS |= 0x1;
- /* Start hardware timer. */
- v850e_timer_d_configure (0, HZ);
- /* Install timer interrupt handler. */
- setup_irq (IRQ_INTCMD(0), timer_action);
-}
-
-static struct v850e_intc_irq_init irq_inits[] = {
- { "IRQ", 0, NUM_CPU_IRQS, 1, 7 },
- { "CMD", IRQ_INTCMD(0), IRQ_INTCMD_NUM, 1, 5 },
- { "SER", IRQ_INTSER(0), IRQ_INTSER_NUM, 1, 3 },
- { "SR", IRQ_INTSR(0), IRQ_INTSR_NUM, 1, 4 },
- { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 1, 5 },
- { 0 }
-};
-#define NUM_IRQ_INITS (ARRAY_SIZE(irq_inits) - 1)
-
-static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS];
-
-/* Initialize MA chip interrupts. */
-void __init teg_init_irqs (void)
-{
- v850e_intc_init_irq_types (irq_inits, hw_itypes);
-}
-
-/* Called before configuring an on-chip UART. */
-void teg_uart_pre_configure (unsigned chan, unsigned cflags, unsigned baud)
-{
- /* Enable UART I/O pins instead of external interrupt pins, and
- UART interrupts instead of external pin interrupts. */
- TEG_ISS |= 0x4E;
-}
diff --git a/arch/v850/kernel/time.c b/arch/v850/kernel/time.c
deleted file mode 100644
index d810c93fe66..00000000000
--- a/arch/v850/kernel/time.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * linux/arch/v850/kernel/time.c -- Arch-dependent timer functions
- *
- * Copyright (C) 1991, 1992, 1995, 2001, 2002 Linus Torvalds
- *
- * This file contains the v850-specific time handling details.
- * Most of the stuff is located in the machine specific files.
- *
- * 1997-09-10 Updated NTP code according to technical memorandum Jan '96
- * "A Kernel Model for Precision Timekeeping" by Dave Mills
- */
-
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/timex.h>
-#include <linux/profile.h>
-
-#include <asm/io.h>
-
-#include "mach.h"
-
-#define TICK_SIZE (tick_nsec / 1000)
-
-/*
- * timer_interrupt() needs to keep up the real-time clock,
- * as well as call the "do_timer()" routine every clocktick
- */
-static irqreturn_t timer_interrupt (int irq, void *dummy, struct pt_regs *regs)
-{
-#if 0
- /* last time the cmos clock got updated */
- static long last_rtc_update=0;
-#endif
-
- /* may need to kick the hardware timer */
- if (mach_tick)
- mach_tick ();
-
- do_timer (1);
-#ifndef CONFIG_SMP
- update_process_times(user_mode(regs));
-#endif
- profile_tick(CPU_PROFILING, regs);
-#if 0
- /*
- * If we have an externally synchronized Linux clock, then update
- * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be
- * called as close as possible to 500 ms before the new second starts.
- */
- if (ntp_synced() &&
- xtime.tv_sec > last_rtc_update + 660 &&
- (xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 &&
- (xtime.tv_nsec / 1000) <= 500000 + ((unsigned) TICK_SIZE) / 2) {
- if (set_rtc_mmss (xtime.tv_sec) == 0)
- last_rtc_update = xtime.tv_sec;
- else
- last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */
- }
-#ifdef CONFIG_HEARTBEAT
- /* use power LED as a heartbeat instead -- much more useful
- for debugging -- based on the version for PReP by Cort */
- /* acts like an actual heart beat -- ie thump-thump-pause... */
- if (mach_heartbeat) {
- static unsigned cnt = 0, period = 0, dist = 0;
-
- if (cnt == 0 || cnt == dist)
- mach_heartbeat ( 1 );
- else if (cnt == 7 || cnt == dist+7)
- mach_heartbeat ( 0 );
-
- if (++cnt > period) {
- cnt = 0;
- /* The hyperbolic function below modifies the heartbeat period
- * length in dependency of the current (5min) load. It goes
- * through the points f(0)=126, f(1)=86, f(5)=51,
- * f(inf)->30. */
- period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
- dist = period / 4;
- }
- }
-#endif /* CONFIG_HEARTBEAT */
-#endif /* 0 */
-
- return IRQ_HANDLED;
-}
-
-static int timer_dev_id;
-static struct irqaction timer_irqaction = {
- .handler = timer_interrupt,
- .flags = IRQF_DISABLED,
- .mask = CPU_MASK_NONE,
- .name = "timer",
- .dev_id = &timer_dev_id,
-};
-
-void time_init (void)
-{
- mach_gettimeofday (&xtime);
- mach_sched_init (&timer_irqaction);
-}
diff --git a/arch/v850/kernel/v850_ksyms.c b/arch/v850/kernel/v850_ksyms.c
deleted file mode 100644
index 8d386a5dbc4..00000000000
--- a/arch/v850/kernel/v850_ksyms.c
+++ /dev/null
@@ -1,51 +0,0 @@
-#include <linux/module.h>
-#include <linux/linkage.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/user.h>
-#include <linux/elfcore.h>
-#include <linux/in6.h>
-#include <linux/interrupt.h>
-
-#include <asm/pgalloc.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/checksum.h>
-#include <asm/current.h>
-
-
-extern void *trap_table;
-EXPORT_SYMBOL (trap_table);
-
-/* platform dependent support */
-EXPORT_SYMBOL (kernel_thread);
-EXPORT_SYMBOL (__bug);
-
-/* Networking helper routines. */
-EXPORT_SYMBOL (csum_partial_copy_nocheck);
-EXPORT_SYMBOL (csum_partial_copy_from_user);
-EXPORT_SYMBOL (ip_compute_csum);
-EXPORT_SYMBOL (ip_fast_csum);
-
-/* string / mem functions */
-EXPORT_SYMBOL (memset);
-EXPORT_SYMBOL (memcpy);
-EXPORT_SYMBOL (memmove);
-
-/*
- * libgcc functions - functions that are used internally by the
- * compiler... (prototypes are not correct though, but that
- * doesn't really matter since they're not versioned).
- */
-extern void __ashldi3 (void);
-extern void __ashrdi3 (void);
-extern void __lshrdi3 (void);
-extern void __muldi3 (void);
-extern void __negdi2 (void);
-
-EXPORT_SYMBOL (__ashldi3);
-EXPORT_SYMBOL (__ashrdi3);
-EXPORT_SYMBOL (__lshrdi3);
-EXPORT_SYMBOL (__muldi3);
-EXPORT_SYMBOL (__negdi2);
diff --git a/arch/v850/kernel/v850e2_cache.c b/arch/v850/kernel/v850e2_cache.c
deleted file mode 100644
index 4570312c689..00000000000
--- a/arch/v850/kernel/v850e2_cache.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * arch/v850/kernel/v850e2_cache.c -- Cache control for V850E2 cache
- * memories
- *
- * Copyright (C) 2003 NEC Electronics Corporation
- * Copyright (C) 2003 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/mm.h>
-
-#include <asm/v850e2_cache.h>
-
-/* Cache operations we can do. The encoding corresponds directly to the
- value we need to write into the COPR register. */
-enum cache_op {
- OP_SYNC_IF_DIRTY = V850E2_CACHE_COPR_CFC(0), /* 000 */
- OP_SYNC_IF_VALID = V850E2_CACHE_COPR_CFC(1), /* 001 */
- OP_SYNC_IF_VALID_AND_CLEAR = V850E2_CACHE_COPR_CFC(3), /* 011 */
- OP_WAY_CLEAR = V850E2_CACHE_COPR_CFC(4), /* 100 */
- OP_FILL = V850E2_CACHE_COPR_CFC(5), /* 101 */
- OP_CLEAR = V850E2_CACHE_COPR_CFC(6), /* 110 */
- OP_CREATE_DIRTY = V850E2_CACHE_COPR_CFC(7) /* 111 */
-};
-
-/* Which cache to use. This encoding also corresponds directly to the
- value we need to write into the COPR register. */
-enum cache {
- ICACHE = 0,
- DCACHE = V850E2_CACHE_COPR_LBSL
-};
-
-/* Returns ADDR rounded down to the beginning of its cache-line. */
-#define CACHE_LINE_ADDR(addr) \
- ((addr) & ~(V850E2_CACHE_LINE_SIZE - 1))
-/* Returns END_ADDR rounded up to the `limit' of its cache-line. */
-#define CACHE_LINE_END_ADDR(end_addr) \
- CACHE_LINE_ADDR(end_addr + (V850E2_CACHE_LINE_SIZE - 1))
-
-
-/* Low-level cache ops. */
-
-/* Apply cache-op OP to all entries in CACHE. */
-static inline void cache_op_all (enum cache_op op, enum cache cache)
-{
- int cmd = op | cache | V850E2_CACHE_COPR_WSLE | V850E2_CACHE_COPR_STRT;
-
- if (op != OP_WAY_CLEAR) {
- /* The WAY_CLEAR operation does the whole way, but other
- ops take begin-index and count params; we just indicate
- the entire cache. */
- V850E2_CACHE_CADL = 0;
- V850E2_CACHE_CADH = 0;
- V850E2_CACHE_CCNT = V850E2_CACHE_WAY_SIZE - 1;
- }
-
- V850E2_CACHE_COPR = cmd | V850E2_CACHE_COPR_WSL(0); /* way 0 */
- V850E2_CACHE_COPR = cmd | V850E2_CACHE_COPR_WSL(1); /* way 1 */
- V850E2_CACHE_COPR = cmd | V850E2_CACHE_COPR_WSL(2); /* way 2 */
- V850E2_CACHE_COPR = cmd | V850E2_CACHE_COPR_WSL(3); /* way 3 */
-}
-
-/* Apply cache-op OP to all entries in CACHE covering addresses ADDR
- through ADDR+LEN. */
-static inline void cache_op_range (enum cache_op op, u32 addr, u32 len,
- enum cache cache)
-{
- u32 start = CACHE_LINE_ADDR (addr);
- u32 end = CACHE_LINE_END_ADDR (addr + len);
- u32 num_lines = (end - start) >> V850E2_CACHE_LINE_SIZE_BITS;
-
- V850E2_CACHE_CADL = start & 0xFFFF;
- V850E2_CACHE_CADH = start >> 16;
- V850E2_CACHE_CCNT = num_lines - 1;
-
- V850E2_CACHE_COPR = op | cache | V850E2_CACHE_COPR_STRT;
-}
-
-
-/* High-level ops. */
-
-static void cache_exec_after_store_all (void)
-{
- cache_op_all (OP_SYNC_IF_DIRTY, DCACHE);
- cache_op_all (OP_WAY_CLEAR, ICACHE);
-}
-
-static void cache_exec_after_store_range (u32 start, u32 len)
-{
- cache_op_range (OP_SYNC_IF_DIRTY, start, len, DCACHE);
- cache_op_range (OP_CLEAR, start, len, ICACHE);
-}
-
-
-/* Exported functions. */
-
-void flush_icache (void)
-{
- cache_exec_after_store_all ();
-}
-
-void flush_icache_range (unsigned long start, unsigned long end)
-{
- cache_exec_after_store_range (start, end - start);
-}
-
-void flush_icache_page (struct vm_area_struct *vma, struct page *page)
-{
- cache_exec_after_store_range (page_to_virt (page), PAGE_SIZE);
-}
-
-void flush_icache_user_range (struct vm_area_struct *vma, struct page *page,
- unsigned long addr, int len)
-{
- cache_exec_after_store_range (addr, len);
-}
-
-void flush_cache_sigtramp (unsigned long addr)
-{
- /* For the exact size, see signal.c, but 16 bytes should be enough. */
- cache_exec_after_store_range (addr, 16);
-}
diff --git a/arch/v850/kernel/v850e_cache.c b/arch/v850/kernel/v850e_cache.c
deleted file mode 100644
index ea3e51cfb25..00000000000
--- a/arch/v850/kernel/v850e_cache.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * arch/v850/kernel/v850e_cache.c -- Cache control for V850E cache memories
- *
- * Copyright (C) 2003 NEC Electronics Corporation
- * Copyright (C) 2003 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-/* This file implements cache control for the rather simple cache used on
- some V850E CPUs, specifically the NB85E/TEG CPU-core and the V850E/ME2
- CPU. V850E2 processors have their own (better) cache
- implementation. */
-
-#include <asm/entry.h>
-#include <asm/cacheflush.h>
-#include <asm/v850e_cache.h>
-
-#define WAIT_UNTIL_CLEAR(value) while (value) {}
-
-/* Set caching params via the BHC and DCC registers. */
-void v850e_cache_enable (u16 bhc, u16 icc, u16 dcc)
-{
- unsigned long *r0_ram = (unsigned long *)R0_RAM_ADDR;
- register u16 bhc_val asm ("r6") = bhc;
-
- /* Read the instruction cache control register (ICC) and confirm
- that bits 0 and 1 (TCLR0, TCLR1) are all cleared. */
- WAIT_UNTIL_CLEAR (V850E_CACHE_ICC & 0x3);
- V850E_CACHE_ICC = icc;
-
-#ifdef V850E_CACHE_DCC
- /* Configure data-cache. */
- V850E_CACHE_DCC = dcc;
-#endif /* V850E_CACHE_DCC */
-
- /* Configure caching for various memory regions by writing the BHC
- register. The documentation says that an instruction _cannot_
- enable/disable caching for the memory region in which the
- instruction itself exists; to work around this, we store
- appropriate instructions into the on-chip RAM area (which is never
- cached), and briefly jump there to do the work. */
-#ifdef V850E_CACHE_WRITE_IBS
- *r0_ram++ = 0xf0720760; /* st.h r0, 0xfffff072[r0] */
-#endif
- *r0_ram++ = 0xf06a3760; /* st.h r6, 0xfffff06a[r0] */
- *r0_ram = 0x5640006b; /* jmp [r11] */
-
- asm ("mov hilo(1f), r11; jmp [%1]; 1:;"
- :: "r" (bhc_val), "r" (R0_RAM_ADDR) : "r11");
-}
-
-static void clear_icache (void)
-{
- /* 1. Read the instruction cache control register (ICC) and confirm
- that bits 0 and 1 (TCLR0, TCLR1) are all cleared. */
- WAIT_UNTIL_CLEAR (V850E_CACHE_ICC & 0x3);
-
- /* 2. Read the ICC register and confirm that bit 12 (LOCK0) is
- cleared. Bit 13 of the ICC register is always cleared. */
- WAIT_UNTIL_CLEAR (V850E_CACHE_ICC & 0x1000);
-
- /* 3. Set the TCLR0 and TCLR1 bits of the ICC register as follows,
- when clearing way 0 and way 1 at the same time:
- (a) Set the TCLR0 and TCLR1 bits.
- (b) Read the TCLR0 and TCLR1 bits to confirm that these bits
- are cleared.
- (c) Perform (a) and (b) above again. */
- V850E_CACHE_ICC |= 0x3;
- WAIT_UNTIL_CLEAR (V850E_CACHE_ICC & 0x3);
-
-#ifdef V850E_CACHE_REPEAT_ICC_WRITE
- /* Do it again. */
- V850E_CACHE_ICC |= 0x3;
- WAIT_UNTIL_CLEAR (V850E_CACHE_ICC & 0x3);
-#endif
-}
-
-#ifdef V850E_CACHE_DCC
-/* Flush or clear (or both) the data cache, depending on the value of FLAGS;
- the procedure is the same for both, just the control bits used differ (and
- both may be performed simultaneously). */
-static void dcache_op (unsigned short flags)
-{
- /* 1. Read the data cache control register (DCC) and confirm that bits
- 0, 1, 4, and 5 (DC00, DC01, DC04, DC05) are all cleared. */
- WAIT_UNTIL_CLEAR (V850E_CACHE_DCC & 0x33);
-
- /* 2. Clear DCC register bit 12 (DC12), bit 13 (DC13), or both
- depending on the way for which tags are to be cleared. */
- V850E_CACHE_DCC &= ~0xC000;
-
- /* 3. Set DCC register bit 0 (DC00), bit 1 (DC01) or both depending on
- the way for which tags are to be cleared.
- ...
- Set DCC register bit 4 (DC04), bit 5 (DC05), or both depending
- on the way to be data flushed. */
- V850E_CACHE_DCC |= flags;
-
- /* 4. Read DCC register bit DC00, DC01 [DC04, DC05], or both depending
- on the way for which tags were cleared [flushed] and confirm
- that that bit is cleared. */
- WAIT_UNTIL_CLEAR (V850E_CACHE_DCC & flags);
-}
-#endif /* V850E_CACHE_DCC */
-
-/* Flushes the contents of the dcache to memory. */
-static inline void flush_dcache (void)
-{
-#ifdef V850E_CACHE_DCC
- /* We only need to do something if in write-back mode. */
- if (V850E_CACHE_DCC & 0x0400)
- dcache_op (0x30);
-#endif /* V850E_CACHE_DCC */
-}
-
-/* Flushes the contents of the dcache to memory, and then clears it. */
-static inline void clear_dcache (void)
-{
-#ifdef V850E_CACHE_DCC
- /* We only need to do something if the dcache is enabled. */
- if (V850E_CACHE_DCC & 0x0C00)
- dcache_op (0x33);
-#endif /* V850E_CACHE_DCC */
-}
-
-/* Clears the dcache without flushing to memory first. */
-static inline void clear_dcache_no_flush (void)
-{
-#ifdef V850E_CACHE_DCC
- /* We only need to do something if the dcache is enabled. */
- if (V850E_CACHE_DCC & 0x0C00)
- dcache_op (0x3);
-#endif /* V850E_CACHE_DCC */
-}
-
-static inline void cache_exec_after_store (void)
-{
- flush_dcache ();
- clear_icache ();
-}
-
-
-/* Exported functions. */
-
-void flush_icache (void)
-{
- cache_exec_after_store ();
-}
-
-void flush_icache_range (unsigned long start, unsigned long end)
-{
- cache_exec_after_store ();
-}
-
-void flush_icache_page (struct vm_area_struct *vma, struct page *page)
-{
- cache_exec_after_store ();
-}
-
-void flush_icache_user_range (struct vm_area_struct *vma, struct page *page,
- unsigned long adr, int len)
-{
- cache_exec_after_store ();
-}
-
-void flush_cache_sigtramp (unsigned long addr)
-{
- cache_exec_after_store ();
-}
diff --git a/arch/v850/kernel/v850e_intc.c b/arch/v850/kernel/v850e_intc.c
deleted file mode 100644
index 8d39a52ee6d..00000000000
--- a/arch/v850/kernel/v850e_intc.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * arch/v850/kernel/v850e_intc.c -- V850E interrupt controller (INTC)
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-
-#include <asm/v850e_intc.h>
-
-static void irq_nop (unsigned irq) { }
-
-static unsigned v850e_intc_irq_startup (unsigned irq)
-{
- v850e_intc_clear_pending_irq (irq);
- v850e_intc_enable_irq (irq);
- return 0;
-}
-
-static void v850e_intc_end_irq (unsigned irq)
-{
- unsigned long psw, temp;
-
- /* Clear the highest-level bit in the In-service priority register
- (ISPR), to allow this interrupt (or another of the same or
- lesser priority) to happen again.
-
- The `reti' instruction normally does this automatically when the
- PSW bits EP and NP are zero, but we can't always rely on reti
- being used consistently to return after an interrupt (another
- process can be scheduled, for instance, which can delay the
- associated reti for a long time, or this process may be being
- single-stepped, which uses the `dbret' instruction to return
- from the kernel).
-
- We also set the PSW EP bit, which prevents reti from also
- trying to modify the ISPR itself. */
-
- /* Get PSW and disable interrupts. */
- asm volatile ("stsr psw, %0; di" : "=r" (psw));
- /* We don't want to do anything for NMIs (they don't use the ISPR). */
- if (! (psw & 0xC0)) {
- /* Transition to `trap' state, so that an eventual real
- reti instruction won't modify the ISPR. */
- psw |= 0x40;
- /* Fake an interrupt return, which automatically clears the
- appropriate bit in the ISPR. */
- asm volatile ("mov hilo(1f), %0;"
- "ldsr %0, eipc; ldsr %1, eipsw;"
- "reti;"
- "1:"
- : "=&r" (temp) : "r" (psw));
- }
-}
-
-/* Initialize HW_IRQ_TYPES for INTC-controlled irqs described in array
- INITS (which is terminated by an entry with the name field == 0). */
-void __init v850e_intc_init_irq_types (struct v850e_intc_irq_init *inits,
- struct hw_interrupt_type *hw_irq_types)
-{
- struct v850e_intc_irq_init *init;
- for (init = inits; init->name; init++) {
- unsigned i;
- struct hw_interrupt_type *hwit = hw_irq_types++;
-
- hwit->typename = init->name;
-
- hwit->startup = v850e_intc_irq_startup;
- hwit->shutdown = v850e_intc_disable_irq;
- hwit->enable = v850e_intc_enable_irq;
- hwit->disable = v850e_intc_disable_irq;
- hwit->ack = irq_nop;
- hwit->end = v850e_intc_end_irq;
-
- /* Initialize kernel IRQ infrastructure for this interrupt. */
- init_irq_handlers(init->base, init->num, init->interval, hwit);
-
- /* Set the interrupt priorities. */
- for (i = 0; i < init->num; i++) {
- unsigned irq = init->base + i * init->interval;
-
- /* If the interrupt is currently enabled (all
- interrupts are initially disabled), then
- assume whoever enabled it has set things up
- properly, and avoid messing with it. */
- if (! v850e_intc_irq_enabled (irq))
- /* This write also (1) disables the
- interrupt, and (2) clears any pending
- interrupts. */
- V850E_INTC_IC (irq)
- = (V850E_INTC_IC_PR (init->priority)
- | V850E_INTC_IC_MK);
- }
- }
-}
diff --git a/arch/v850/kernel/v850e_timer_d.c b/arch/v850/kernel/v850e_timer_d.c
deleted file mode 100644
index d2a4ece2574..00000000000
--- a/arch/v850/kernel/v850e_timer_d.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * include/asm-v850/v850e_timer_d.c -- `Timer D' component often used
- * with V850E CPUs
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <linux/kernel.h>
-
-#include <asm/v850e_utils.h>
-#include <asm/v850e_timer_d.h>
-
-/* Start interval timer TIMER (0-3). The timer will issue the
- corresponding INTCMD interrupt RATE times per second.
- This function does not enable the interrupt. */
-void v850e_timer_d_configure (unsigned timer, unsigned rate)
-{
- unsigned divlog2, count;
-
- /* Calculate params for timer. */
- if (! calc_counter_params (
- V850E_TIMER_D_BASE_FREQ, rate,
- V850E_TIMER_D_TMCD_CS_MIN, V850E_TIMER_D_TMCD_CS_MAX, 16,
- &divlog2, &count))
- printk (KERN_WARNING
- "Cannot find interval timer %d setting suitable"
- " for rate of %dHz.\n"
- "Using rate of %dHz instead.\n",
- timer, rate,
- (V850E_TIMER_D_BASE_FREQ >> divlog2) >> 16);
-
- /* Do the actual hardware timer initialization: */
-
- /* Enable timer. */
- V850E_TIMER_D_TMCD(timer) = V850E_TIMER_D_TMCD_CAE;
- /* Set clock divider. */
- V850E_TIMER_D_TMCD(timer)
- = V850E_TIMER_D_TMCD_CAE
- | V850E_TIMER_D_TMCD_CS(divlog2);
- /* Set timer compare register. */
- V850E_TIMER_D_CMD(timer) = count;
- /* Start counting. */
- V850E_TIMER_D_TMCD(timer)
- = V850E_TIMER_D_TMCD_CAE
- | V850E_TIMER_D_TMCD_CS(divlog2)
- | V850E_TIMER_D_TMCD_CE;
-}
diff --git a/arch/v850/kernel/v850e_utils.c b/arch/v850/kernel/v850e_utils.c
deleted file mode 100644
index e6807ef8dee..00000000000
--- a/arch/v850/kernel/v850e_utils.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * include/asm-v850/v850e_utils.h -- Utility functions associated with
- * V850E CPUs
- *
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-#include <asm/v850e_utils.h>
-
-/* Calculate counter clock-divider and count values to attain the
- desired frequency RATE from the base frequency BASE_FREQ. The
- counter is expected to have a clock-divider, which can divide the
- system cpu clock by a power of two value from MIN_DIVLOG2 to
- MAX_DIV_LOG2, and a word-size of COUNTER_SIZE bits (the counter
- counts up and resets whenever it's equal to the compare register,
- generating an interrupt or whatever when it does so). The returned
- values are: *DIVLOG2 -- log2 of the desired clock divider and *COUNT
- -- the counter compare value to use. Returns true if it was possible
- to find a reasonable value, otherwise false (and the other return
- values will be set to be as good as possible). */
-int calc_counter_params (unsigned long base_freq,
- unsigned long rate,
- unsigned min_divlog2, unsigned max_divlog2,
- unsigned counter_size,
- unsigned *divlog2, unsigned *count)
-{
- unsigned _divlog2;
- int ok = 0;
-
- /* Find the lowest clock divider setting that can represent RATE. */
- for (_divlog2 = min_divlog2; _divlog2 <= max_divlog2; _divlog2++) {
- /* Minimum interrupt rate possible using this divider. */
- unsigned min_int_rate
- = (base_freq >> _divlog2) >> counter_size;
-
- if (min_int_rate <= rate) {
- /* This setting is the highest resolution
- setting that's slow enough enough to attain
- RATE interrupts per second, so use it. */
- ok = 1;
- break;
- }
- }
-
- if (_divlog2 > max_divlog2)
- /* Can't find correct setting. */
- _divlog2 = max_divlog2;
-
- if (divlog2)
- *divlog2 = _divlog2;
- if (count)
- *count = ((base_freq >> _divlog2) + rate/2) / rate;
-
- return ok;
-}
diff --git a/arch/v850/kernel/vmlinux.lds.S b/arch/v850/kernel/vmlinux.lds.S
deleted file mode 100644
index d08cd1d27f2..00000000000
--- a/arch/v850/kernel/vmlinux.lds.S
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * arch/v850/vmlinux.lds.S -- kernel linker script for v850 platforms
- *
- * Copyright (C) 2002,03,04,05 NEC Electronics Corporation
- * Copyright (C) 2002,03,04,05 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
- * Written by Miles Bader <miles@gnu.org>
- */
-
-
-#define VMLINUX_SYMBOL(_sym_) _##_sym_
-#include <asm-generic/vmlinux.lds.h>
-
-/* For most platforms, this will define useful things like RAM addr/size. */
-#include <asm/machdep.h>
-
-
-/* The following macros contain the usual definitions for various data areas.
- The prefix `RAMK_' is used to indicate macros suitable for kernels loaded
- into RAM, and similarly `ROMK_' for ROM-resident kernels. Note that all
- symbols are prefixed with an extra `_' for compatibility with the v850
- toolchain. */
-
-
-/* Interrupt vectors. */
-#define INTV_CONTENTS \
- . = ALIGN (0x10) ; \
- __intv_start = . ; \
- *(.intv.reset) /* Reset vector */ \
- . = __intv_start + 0x10 ; \
- *(.intv.common) /* Vectors common to all v850e proc */\
- . = __intv_start + 0x80 ; \
- *(.intv.mach) /* Machine-specific int. vectors. */ \
- __intv_end = . ;
-
-#define RODATA_CONTENTS \
- . = ALIGN (16) ; \
- *(.rodata) *(.rodata.*) \
- *(__vermagic) /* Kernel version magic */ \
- *(.rodata1) \
- /* PCI quirks */ \
- ___start_pci_fixups_early = . ; \
- *(.pci_fixup_early) \
- ___end_pci_fixups_early = . ; \
- ___start_pci_fixups_header = . ; \
- *(.pci_fixup_header) \
- ___end_pci_fixups_header = . ; \
- ___start_pci_fixups_final = . ; \
- *(.pci_fixup_final) \
- ___end_pci_fixups_final = . ; \
- ___start_pci_fixups_enable = . ; \
- *(.pci_fixup_enable) \
- ___end_pci_fixups_enable = . ; \
- /* Kernel symbol table: Normal symbols */ \
- ___start___ksymtab = .; \
- *(__ksymtab) \
- ___stop___ksymtab = .; \
- /* Kernel symbol table: GPL-only symbols */ \
- ___start___ksymtab_gpl = .; \
- *(__ksymtab_gpl) \
- ___stop___ksymtab_gpl = .; \
- /* Kernel symbol table: GPL-future symbols */ \
- ___start___ksymtab_gpl_future = .; \
- *(__ksymtab_gpl_future) \
- ___stop___ksymtab_gpl_future = .; \
- /* Kernel symbol table: strings */ \
- *(__ksymtab_strings) \
- /* Kernel symbol table: Normal symbols */ \
- ___start___kcrctab = .; \
- *(__kcrctab) \
- ___stop___kcrctab = .; \
- /* Kernel symbol table: GPL-only symbols */ \
- ___start___kcrctab_gpl = .; \
- *(__kcrctab_gpl) \
- ___stop___kcrctab_gpl = .; \
- /* Kernel symbol table: GPL-future symbols */ \
- ___start___kcrctab_gpl_future = .; \
- *(__kcrctab_gpl_future) \
- ___stop___kcrctab_gpl_future = .; \
- /* Built-in module parameters */ \
- . = ALIGN (4) ; \
- ___start___param = .; \
- *(__param) \
- ___stop___param = .;
-
-
-/* Kernel text segment, and some constant data areas. */
-#define TEXT_CONTENTS \
- _text = .; \
- __stext = . ; \
- TEXT_TEXT \
- SCHED_TEXT \
- *(.exit.text) /* 2.5 convention */ \
- *(.text.exit) /* 2.4 convention */ \
- *(.text.lock) \
- *(.exitcall.exit) \
- __real_etext = . ; /* There may be data after here. */ \
- RODATA_CONTENTS \
- . = ALIGN (4) ; \
- *(.call_table_data) \
- *(.call_table_text) \
- . = ALIGN (16) ; /* Exception table. */ \
- ___start___ex_table = . ; \
- *(__ex_table) \
- ___stop___ex_table = . ; \
- . = ALIGN (4) ; \
- __etext = . ;
-
-/* Kernel data segment. */
-#define DATA_CONTENTS \
- __sdata = . ; \
- DATA_DATA \
- EXIT_DATA /* 2.5 convention */ \
- *(.data.exit) /* 2.4 convention */ \
- . = ALIGN (16) ; \
- *(.data.cacheline_aligned) \
- . = ALIGN (0x2000) ; \
- *(.data.init_task) \
- . = ALIGN (0x2000) ; \
- __edata = . ;
-
-/* Kernel BSS segment. */
-#define BSS_CONTENTS \
- __sbss = . ; \
- *(.bss) \
- *(COMMON) \
- . = ALIGN (4) ; \
- __init_stack_end = . ; \
- __ebss = . ;
-
-/* `initcall' tables. */
-#define INITCALL_CONTENTS \
- . = ALIGN (16) ; \
- ___setup_start = . ; \
- *(.init.setup) /* 2.5 convention */ \
- *(.setup.init) /* 2.4 convention */ \
- ___setup_end = . ; \
- ___initcall_start = . ; \
- *(.initcall.init) \
- INITCALLS \
- . = ALIGN (4) ; \
- ___initcall_end = . ; \
- ___con_initcall_start = .; \
- *(.con_initcall.init) \
- ___con_initcall_end = .;
-
-/* Contents of `init' section for a kernel that's loaded into RAM. */
-#define RAMK_INIT_CONTENTS \
- RAMK_INIT_CONTENTS_NO_END \
- __init_end = . ;
-/* Same as RAMK_INIT_CONTENTS, but doesn't define the `__init_end' symbol. */
-#define RAMK_INIT_CONTENTS_NO_END \
- . = ALIGN (4096) ; \
- __init_start = . ; \
- __sinittext = .; \
- INIT_TEXT /* 2.5 convention */ \
- __einittext = .; \
- INIT_DATA \
- *(.text.init) /* 2.4 convention */ \
- *(.data.init) \
- INITCALL_CONTENTS \
- INITRAMFS_CONTENTS
-
-/* The contents of `init' section for a ROM-resident kernel which
- should go into RAM. */
-#define ROMK_INIT_RAM_CONTENTS \
- . = ALIGN (4096) ; \
- __init_start = . ; \
- INIT_DATA /* 2.5 convention */ \
- *(.data.init) /* 2.4 convention */ \
- __init_end = . ; \
- . = ALIGN (4096) ;
-
-/* The contents of `init' section for a ROM-resident kernel which
- should go into ROM. */
-#define ROMK_INIT_ROM_CONTENTS \
- _sinittext = .; \
- INIT_TEXT /* 2.5 convention */ \
- _einittext = .; \
- *(.text.init) /* 2.4 convention */ \
- INITCALL_CONTENTS \
- INITRAMFS_CONTENTS
-
-/* A root filesystem image, for kernels with an embedded root filesystem. */
-#define ROOT_FS_CONTENTS \
- __root_fs_image_start = . ; \
- *(.root) \
- __root_fs_image_end = . ;
-
-#ifdef CONFIG_BLK_DEV_INITRD
-/* The initramfs archive. */
-#define INITRAMFS_CONTENTS \
- . = ALIGN (4) ; \
- ___initramfs_start = . ; \
- *(.init.ramfs) \
- ___initramfs_end = . ;
-#endif
-
-/* Where the initial bootmap (bitmap for the boot-time memory allocator)
- should be place. */
-#define BOOTMAP_CONTENTS \
- . = ALIGN (4096) ; \
- __bootmap = . ; \
- . = . + 4096 ; /* enough for 128MB. */
-
-/* The contents of a `typical' kram area for a kernel in RAM. */
-#define RAMK_KRAM_CONTENTS \
- __kram_start = . ; \
- TEXT_CONTENTS \
- DATA_CONTENTS \
- BSS_CONTENTS \
- RAMK_INIT_CONTENTS \
- __kram_end = . ; \
- BOOTMAP_CONTENTS
-
-
-/* Define output sections normally used for a ROM-resident kernel.
- ROM and RAM should be appropriate memory areas to use for kernel
- ROM and RAM data. This assumes that ROM starts at 0 (and thus can
- hold the interrupt vectors). */
-#define ROMK_SECTIONS(ROM, RAM) \
- .rom : { \
- INTV_CONTENTS \
- TEXT_CONTENTS \
- ROMK_INIT_ROM_CONTENTS \
- ROOT_FS_CONTENTS \
- } > ROM \
- \
- __rom_copy_src_start = . ; \
- \
- .data : { \
- __kram_start = . ; \
- __rom_copy_dst_start = . ; \
- DATA_CONTENTS \
- ROMK_INIT_RAM_CONTENTS \
- __rom_copy_dst_end = . ; \
- } > RAM AT> ROM \
- \
- .bss ALIGN (4) : { \
- BSS_CONTENTS \
- __kram_end = . ; \
- BOOTMAP_CONTENTS \
- } > RAM
-
-
-/* The 32-bit variable `jiffies' is just the lower 32-bits of `jiffies_64'. */
-_jiffies = _jiffies_64 ;
-
-
-/* Include an appropriate platform-dependent linker-script (which
- usually should use the above macros to do most of the work). */
-
-#ifdef CONFIG_V850E_SIM
-# include "sim.ld"
-#endif
-
-#ifdef CONFIG_V850E2_SIM85E2
-# include "sim85e2.ld"
-#endif
-
-#ifdef CONFIG_V850E2_FPGA85E2C
-# include "fpga85e2c.ld"
-#endif
-
-#ifdef CONFIG_V850E2_ANNA
-# ifdef CONFIG_ROM_KERNEL
-# include "anna-rom.ld"
-# else
-# include "anna.ld"
-# endif
-#endif
-
-#ifdef CONFIG_V850E_AS85EP1
-# ifdef CONFIG_ROM_KERNEL
-# include "as85ep1-rom.ld"
-# else
-# include "as85ep1.ld"
-# endif
-#endif
-
-#ifdef CONFIG_RTE_CB_MA1
-# ifdef CONFIG_ROM_KERNEL
-# include "rte_ma1_cb-rom.ld"
-# else
-# include "rte_ma1_cb.ld"
-# endif
-#endif
-
-#ifdef CONFIG_RTE_CB_NB85E
-# ifdef CONFIG_ROM_KERNEL
-# include "rte_nb85e_cb-rom.ld"
-# elif defined(CONFIG_RTE_CB_MULTI)
-# include "rte_nb85e_cb-multi.ld"
-# else
-# include "rte_nb85e_cb.ld"
-# endif
-#endif
-
-#ifdef CONFIG_RTE_CB_ME2
-# include "rte_me2_cb.ld"
-#endif
-