diff options
| -rw-r--r-- | CHANGELOG | 7 | ||||
| -rw-r--r-- | CREDITS | 4 | ||||
| -rw-r--r-- | MAINTAINERS | 6 | ||||
| -rw-r--r-- | cpu/arm920t/ks8695/Makefile | 43 | ||||
| -rw-r--r-- | cpu/arm920t/ks8695/interrupts.c | 112 | ||||
| -rw-r--r-- | cpu/arm920t/ks8695/lowlevel_init.S | 205 | ||||
| -rw-r--r-- | cpu/arm920t/ks8695/serial.c | 116 | ||||
| -rw-r--r-- | drivers/Makefile | 3 | ||||
| -rw-r--r-- | drivers/ks8695eth.c | 236 | ||||
| -rw-r--r-- | include/asm-arm/arch-ks8695/platform.h | 306 | ||||
| -rw-r--r-- | lib_arm/armlinux.c | 19 |
11 files changed, 1054 insertions, 3 deletions
@@ -2,6 +2,13 @@ Changes for U-Boot 1.1.3: ====================================================================== +* Patches by Greg Ungerer, 19 May 2005: + - add support for the KS8695P (ARM 922 based) CPU + - add support for the OpenGear CM4008, CM4116 and CM4148 boards + +* Patch by Steven Scholz, 19 May 2005: + Add support for CONFIG_SERIAL_TAG on ARM boards + * Add PCI support for Sorcery board. Code cleanup (especially Sorcery / Alaska / Yukon serial driver). @@ -394,6 +394,10 @@ N: Rune Torgersen E: <runet@innovsys.com> D: Support for Motorola MPC8266ADS board +N: Greg Ungerer +E: greg.ungerer@opengear.com +D: Support for ks8695 CPU, and OpenGear cmXXXX boards + N: David Updegraff E: dave@cray.com D: Port to Cray L1 board; DHCP vendor extensions diff --git a/MAINTAINERS b/MAINTAINERS index 4115127593..5b560ea5a5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -413,6 +413,12 @@ Andrea Scian <andrea.scian@dave-tech.it> B2 ARM7TDMI (S3C44B0X) +Greg Ungerer <greg.ungerer@opengear.com> + + cm4008 ks8695p + cm4116 ks8695p + cm4148 ks8695p + Alex Züpke <azu@sysgo.de> lart SA1100 diff --git a/cpu/arm920t/ks8695/Makefile b/cpu/arm920t/ks8695/Makefile new file mode 100644 index 0000000000..ada71740b0 --- /dev/null +++ b/cpu/arm920t/ks8695/Makefile @@ -0,0 +1,43 @@ +# +# (C) Copyright 2000-2005 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(SOC).a + +OBJS = interrupts.o serial.o +SOBJS = lowlevel_init.o + +all: .depend $(LIB) + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +######################################################################### + +.depend: Makefile $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/cpu/arm920t/ks8695/interrupts.c b/cpu/arm920t/ks8695/interrupts.c new file mode 100644 index 0000000000..883d689ed0 --- /dev/null +++ b/cpu/arm920t/ks8695/interrupts.c @@ -0,0 +1,112 @@ +/* + * (C) Copyright 2004-2005, Greg Ungerer <greg.ungerer@opengear.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/arch/platform.h> + +/* + * Handy KS8695 register access functions. + */ +#define ks8695_read(a) *((volatile ulong *) (KS8695_IO_BASE + (a))) +#define ks8695_write(a,v) *((volatile ulong *) (KS8695_IO_BASE + (a))) = (v) + +int timer_inited; +ulong timer_ticks; + +int interrupt_init (void) +{ + /* nothing happens here - we don't setup any IRQs */ + return (0); +} + +/* + * Initial timer set constants. Nothing complicated, just set for a 1ms + * tick. + */ +#define TIMER_INTERVAL (TICKS_PER_uSEC * mSEC_1) +#define TIMER_COUNT (TIMER_INTERVAL / 2) +#define TIMER_PULSE TIMER_COUNT + +void reset_timer_masked(void) +{ + /* Set the hadware timer for 1ms */ + ks8695_write(KS8695_TIMER1, TIMER_COUNT); + ks8695_write(KS8695_TIMER1_PCOUNT, TIMER_PULSE); + ks8695_write(KS8695_TIMER_CTRL, 0x2); + timer_ticks = 0; + timer_inited++; +} + +void reset_timer(void) +{ + reset_timer_masked(); +} + +ulong get_timer_masked(void) +{ + /* Check for timer wrap */ + if (ks8695_read(KS8695_INT_STATUS) & KS8695_INTMASK_TIMERINT1) { + /* Clear interrupt condition */ + ks8695_write(KS8695_INT_STATUS, KS8695_INTMASK_TIMERINT1); + timer_ticks++; + } + return timer_ticks; +} + +ulong get_timer(ulong base) +{ + return (get_timer_masked() - base); +} + +void set_timer(ulong t) +{ + timer_ticks = t; +} + +void udelay(ulong usec) +{ + ulong start = get_timer_masked(); + ulong end; + + if (!timer_inited) + reset_timer(); + + /* Only 1ms resolution :-( */ + end = usec / 1000; + while (get_timer(start) < end) + ; +} + +void reset_cpu (ulong ignored) +{ + ulong tc; + + /* Set timer0 to watchdog, and let it timeout */ + tc = ks8695_read(KS8695_TIMER_CTRL) & 0x2; + ks8695_write(KS8695_TIMER_CTRL, tc); + ks8695_write(KS8695_TIMER0, ((10 << 8) | 0xff)); + ks8695_write(KS8695_TIMER_CTRL, (tc | 0x1)); + + /* Should only wait here till watchdog resets */ + for (;;) + ; +} diff --git a/cpu/arm920t/ks8695/lowlevel_init.S b/cpu/arm920t/ks8695/lowlevel_init.S new file mode 100644 index 0000000000..e9f1227dd6 --- /dev/null +++ b/cpu/arm920t/ks8695/lowlevel_init.S @@ -0,0 +1,205 @@ +/* + * lowlevel_init.S - basic hardware initialization for the KS8695 CPU + * + * Copyright (c) 2004-2005, Greg Ungerer <greg.ungerer@opengear.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <version.h> +#include <asm/arch/platform.h> + +#ifndef CONFIG_SKIP_LOWLEVEL_INIT + +/* + ************************************************************************* + * + * Handy dandy macros + * + ************************************************************************* + */ + +/* Delay a bit */ +.macro DELAY_FOR cycles, reg0 + ldr \reg0, =\cycles + subs \reg0, \reg0, #1 + subne pc, pc, #0xc +.endm + +/* + ************************************************************************* + * + * Some local storage. + * + ************************************************************************* + */ + +/* Should we boot with an interactive console or not */ +.globl serial_console + +/* + ************************************************************************* + * + * Raw hardware initialization code. The important thing is to get + * SDRAM setup and running. We do some other basic things here too, + * like getting the PLL set for high speed, and init the LEDs. + * + ************************************************************************* + */ + +.globl lowlevel_init +lowlevel_init: + +#if DEBUG + /* + * enable UART for early debug trace + */ + ldr r1, =(KS8695_IO_BASE+KS8695_UART_DIVISOR) + mov r2, #0xd9 + str r2, [r1] /* 115200 baud */ + ldr r1, =(KS8695_IO_BASE+KS8695_UART_LINE_CTRL) + mov r2, #0x03 + str r2, [r1] /* 8 data bits, no parity, 1 stop */ + ldr r1, =(KS8695_IO_BASE+KS8695_UART_TX_HOLDING) + mov r2, #0x41 + str r2, [r1] /* write 'A' */ +#endif +#if DEBUG + ldr r1, =(KS8695_IO_BASE+KS8695_UART_TX_HOLDING) + mov r2, #0x42 + str r2, [r1] +#endif + + /* + * remap the memory and flash regions. we want to end up with + * ram from address 0, and flash at 32MB. + */ + ldr r1, =(KS8695_IO_BASE+KS8695_MEM_CTRL0) + ldr r2, =0xbfc00040 + str r2, [r1] /* large flash map */ + ldr pc, =(highflash+0x02000000-0x00f00000) /* jump to high flash address */ +highflash: + ldr r2, =0x8fe00040 + str r2, [r1] /* remap flash range */ + + /* + * remap the second select region to the 4MB immediately after + * the first region. This way if you have a larger flash (say 8Mb) + * then you can have it all mapped nicely. Has no effect if you + * only have a 4Mb or smaller flash. + */ + ldr r1, =(KS8695_IO_BASE+KS8695_MEM_CTRL1) + ldr r2, =0x9fe40040 + str r2, [r1] /* remap flash2 region, contiguous */ + ldr r1, =(KS8695_IO_BASE+KS8695_MEM_GENERAL) + ldr r2, =0x30000005 + str r2, [r1] /* enable both flash selects */ + +#ifdef CONFIG_CM41xx + /* + * map the second flash chip, using the external IO lines. + */ + ldr r1, =(KS8695_IO_BASE+KS8695_IO_CTRL0) + ldr r2, =0xafe80b6d + str r2, [r1] /* remap io0 region, contiguous */ + ldr r1, =(KS8695_IO_BASE+KS8695_IO_CTRL1) + ldr r2, =0xbfec0b6d + str r2, [r1] /* remap io1 region, contiguous */ + ldr r1, =(KS8695_IO_BASE+KS8695_MEM_GENERAL) + ldr r2, =0x30050005 + str r2, [r1] /* enable second flash */ +#endif + + /* + * before relocating, we have to setup RAM timing + */ + ldr r1, =(KS8695_IO_BASE+KS8695_SDRAM_CTRL0) +#if (PHYS_SDRAM_1_SIZE == 0x02000000) + ldr r2, =0x7fc0000e /* 32MB */ +#else + ldr r2, =0x3fc0000e /* 16MB */ +#endif + str r2, [r1] /* configure sdram bank0 setup */ + ldr r1, =(KS8695_IO_BASE+KS8695_SDRAM_CTRL1) + mov r2, #0 + str r2, [r1] /* configure sdram bank1 setup */ + + ldr r1, =(KS8695_IO_BASE+KS8695_SDRAM_GENERAL) + ldr r2, =0x0000000a + str r2, [r1] /* set RAS/CAS timing */ + + ldr r1, =(KS8695_IO_BASE+KS8695_SDRAM_BUFFER) + ldr r2, =0x00030000 + str r2, [r1] /* send NOP command */ + DELAY_FOR 0x100, r0 + ldr r2, =0x00010000 + str r2, [r1] /* send PRECHARGE-ALL */ + DELAY_FOR 0x100, r0 + + ldr r1, =(KS8695_IO_BASE+KS8695_SDRAM_REFRESH) + ldr r2, =0x00000020 + str r2, [r1] /* set for fast refresh */ + DELAY_FOR 0x100, r0 + ldr r2, =0x00000190 + str r2, [r1] /* set normal refresh timing */ + + ldr r1, =(KS8695_IO_BASE+KS8695_SDRAM_BUFFER) + ldr r2, =0x00020033 + str r2, [r1] /* send mode command */ + DELAY_FOR 0x100, r0 + ldr r2, =0x01f00000 + str r2, [r1] /* enable sdram fifos */ + + /* + * set pll to top speed + */ + ldr r1, =(KS8695_IO_BASE+KS8695_SYSTEN_BUS_CLOCK) + mov r2, #0 + str r2, [r1] /* set pll clock to 166MHz */ + + ldr r1, =(KS8695_IO_BASE+KS8695_SWITCH_CTRL0) + ldr r2, [r1] /* Get switch ctrl0 register */ + and r2, r2, #0x0fc00000 /* Mask out LED control bits */ + orr r2, r2, #0x01800000 /* Set Link/activity/speed actions */ + str r2, [r1] + +#ifdef CONFIG_CM4008 + ldr r1, =(KS8695_IO_BASE+KS8695_GPIO_MODE) + ldr r2, =0x0000fe30 + str r2, [r1] /* enable LED's as outputs */ + ldr r1, =(KS8695_IO_BASE+KS8695_GPIO_DATA) + ldr r2, =0x0000fe20 + str r2, [r1] /* turn on power LED */ +#endif +#if defined(CONFIG_CM4008) || defined(CONFIG_CM41xx) + ldr r2, [r1] /* get current GPIO input data */ + tst r2, #0x8 /* check if "erase" depressed */ + beq nobutton + mov r2, #0 /* be quiet on boot, no console */ + ldr r1, =serial_console + str r2, [r1] +nobutton: +#endif + + add lr, lr, #0x02000000 /* flash is now mapped high */ + add ip, ip, #0x02000000 /* this is a hack */ + mov pc, lr /* all done, return */ + +#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ diff --git a/cpu/arm920t/ks8695/serial.c b/cpu/arm920t/ks8695/serial.c new file mode 100644 index 0000000000..0dd91e7dd0 --- /dev/null +++ b/cpu/arm920t/ks8695/serial.c @@ -0,0 +1,116 @@ +/* + * serial.c -- KS8695 serial driver + * + * (C) Copyright 2004, Greg Ungerer <greg.ungerer@opengear.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/arch/platform.h> + +#ifndef CONFIG_SERIAL1 +#error "Bad: you didn't configure serial ..." +#endif + +/* + * Define the UART hardware register access structure. + */ +struct ks8695uart { + unsigned int RX; /* 0x00 - Receive data (r) */ + unsigned int TX; /* 0x04 - Transmit data (w) */ + unsigned int FCR; /* 0x08 - Fifo Control (r/w) */ + unsigned int LCR; /* 0x0c - Line Control (r/w) */ + unsigned int MCR; /* 0x10 - Modem Control (r/w) */ + unsigned int LSR; /* 0x14 - Line Status (r/w) */ + unsigned int MSR; /* 0x18 - Modem Status (r/w) */ + unsigned int BD; /* 0x1c - Baud Rate (r/w) */ + unsigned int SR; /* 0x20 - Status (r/w) */ +}; + +#define KS8695_UART_ADDR ((void *) (KS8695_IO_BASE + KS8695_UART_RX_BUFFER)) +#define KS8695_UART_CLK 25000000 + + +/* + * Under some circumstances we want to be "quiet" and not issue any + * serial output - though we want u-boot to otherwise work and behave + * the same. By default be noisy. + */ +int serial_console = 1; + + +void serial_setbrg(void) +{ + DECLARE_GLOBAL_DATA_PTR; + volatile struct ks8695uart *uartp = KS8695_UART_ADDR; + + /* Set to global baud rate and 8 data bits, no parity, 1 stop bit*/ + uartp->BD = KS8695_UART_CLK / gd->baudrate; + uartp->LCR = KS8695_UART_LINEC_WLEN8; +} + +int serial_init(void) +{ + serial_console = 1; + serial_setbrg(); + return 0; +} + +void serial_raw_putc(const char c) +{ + volatile struct ks8695uart *uartp = KS8695_UART_ADDR; + int i; + + for (i = 0; (i < 0x100000); i++) { + if (uartp->LSR & KS8695_UART_LINES_TXFE) + break; + } + + uartp->TX = c; +} + +void serial_putc(const char c) +{ + if (serial_console) { + serial_raw_putc(c); + if (c == '\n') + serial_raw_putc('\r'); + } +} + +int serial_tstc(void) +{ + volatile struct ks8695uart *uartp = KS8695_UART_ADDR; + if (serial_console) + return ((uartp->LSR & KS8695_UART_LINES_RXFE) ? 1 : 0); + return 0; +} + +void serial_puts(const char *s) +{ + char c; + while ((c = *s++) != 0) + serial_putc(c); +} + +int serial_getc(void) +{ + volatile struct ks8695uart *uartp = KS8695_UART_ADDR; + + while ((uartp->LSR & KS8695_UART_LINES_RXFE) == 0) + ; + return (uartp->RX); +} diff --git a/drivers/Makefile b/drivers/Makefile index d70988d121..3461bb1c89 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -47,7 +47,8 @@ OBJS = 3c589.o 5701rls.o ali512x.o \ status_led.o sym53c8xx.o \ ti_pci1410a.o tigon3.o \ usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o \ - videomodes.o w83c553f.o + videomodes.o w83c553f.o \ + ks8695eth.o all: $(LIB) diff --git a/drivers/ks8695eth.c b/drivers/ks8695eth.c new file mode 100644 index 0000000000..89c766bf12 --- /dev/null +++ b/drivers/ks8695eth.c @@ -0,0 +1,236 @@ +/* + * ks8695eth.c -- KS8695 ethernet driver + * + * (C) Copyright 2004-2005, Greg Ungerer <greg.ungerer@opengear.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/****************************************************************************/ + +#include <common.h> +#include <malloc.h> +#include <net.h> +#include <asm/io.h> +#include <asm/arch/platform.h> + +/****************************************************************************/ + +/* + * Hardware register access to the KS8695 LAN ethernet port + * (well, it is the 4 port switch really). + */ +#define ks8695_read(a) *((volatile unsigned long *) (KS8695_IO_BASE + (a))) +#define ks8695_write(a,v) *((volatile unsigned long *) (KS8695_IO_BASE + (a))) = (v) + +/****************************************************************************/ + +/* + * Define the descriptor in-memory data structures. + */ +struct ks8695_txdesc { + uint32_t owner; + uint32_t ctrl; + uint32_t addr; + uint32_t next; +}; + +struct ks8695_rxdesc { + uint32_t status; + uint32_t ctrl; + uint32_t addr; + uint32_t next; +}; + +/****************************************************************************/ + +/* + * Allocate local data structures to use for receiving and sending + * packets. Just to keep it all nice and simple. + */ + +#define TXDESCS 4 +#define RXDESCS 4 +#define BUFSIZE 2048 + +volatile struct ks8695_txdesc ks8695_tx[TXDESCS] __attribute__((aligned(256))); +volatile struct ks8695_rxdesc ks8695_rx[RXDESCS] __attribute__((aligned(256))); +volatile uint8_t ks8695_bufs[BUFSIZE*(TXDESCS+RXDESCS)] __attribute__((aligned(2048)));; + +/****************************************************************************/ + +/* + * Ideally we want to use the MAC address stored in flash. + * But we do some sanity checks in case they are not present + * first. + */ +unsigned char eth_mac[] = { + 0x00, 0x13, 0xc6, 0x00, 0x00, 0x00 +}; + +void ks8695_getmac(void) +{ + unsigned char *fp; + int i; + + /* Check if flash MAC is valid */ + fp = (unsigned char *) 0x0201c000; + for (i = 0; (i < 6); i++) { + if ((fp[i] != 0) && (fp[i] != 0xff)) + break; + } + + /* If we found a valid looking MAC address then use it */ + if (i < 6) + memcpy(ð_mac[0], fp, 6); +} + +/****************************************************************************/ + +void eth_reset(bd_t *bd) +{ + int i; + + debug ("%s(%d): eth_reset()\n", __FILE__, __LINE__); + + /* Reset the ethernet engines first */ + ks8695_write(KS8695_LAN_DMA_TX, 0x80000000); + ks8695_write(KS8695_LAN_DMA_RX, 0x80000000); + + ks8695_getmac(); + + /* Set MAC address */ + ks8695_write(KS8695_LAN_MAC_LOW, (eth_mac[5] | (eth_mac[4] << 8) | + (eth_mac[3] << 16) | (eth_mac[2] << 24))); + ks8695_write(KS8695_LAN_MAC_HIGH, (eth_mac[1] | (eth_mac[0] << 8))); + + /* Turn the 4 port switch on */ + i = ks8695_read(KS8695_SWITCH_CTRL0); + ks8695_write(KS8695_SWITCH_CTRL0, (i | 0x1)); + /* ks8695_write(KS8695_WAN_CONTROL, 0x3f000066); */ + + /* Initialize descriptor rings */ + for (i = 0; (i < TXDESCS); i++) { + ks8695_tx[i].owner = 0; + ks8695_tx[i].ctrl = 0; + ks8695_tx[i].addr = (uint32_t) &ks8695_bufs[i*BUFSIZE]; + ks8695_tx[i].next = (uint32_t) &ks8695_tx[i+1]; + } + ks8695_tx[TXDESCS-1].ctrl = 0x02000000; + ks8695_tx[TXDESCS-1].next = (uint32_t) &ks8695_tx[0]; + + for (i = 0; (i < RXDESCS); i++) { + ks8695_rx[i].status = 0x80000000; + ks8695_rx[i].ctrl = BUFSIZE - 4; + ks8695_rx[i].addr = (uint32_t) &ks8695_bufs[(i+TXDESCS)*BUFSIZE]; + ks8695_rx[i].next = (uint32_t) &ks8695_rx[i+1]; + } + ks8695_rx[RXDESCS-1].ctrl |= 0x00080000; + ks8695_rx[RXDESCS-1].next = (uint32_t) &ks8695_rx[0]; + + /* The KS8695 is pretty slow reseting the ethernets... */ + udelay(2000000); + + /* Enable the ethernet engine */ + ks8695_write(KS8695_LAN_TX_LIST, (uint32_t) &ks8695_tx[0]); + ks8695_write(KS8695_LAN_RX_LIST, (uint32_t) &ks8695_rx[0]); + ks8695_write(KS8695_LAN_DMA_TX, 0x3); + ks8695_write(KS8695_LAN_DMA_RX, 0x71); + ks8695_write(KS8695_LAN_DMA_RX_START, 0x1); + + printf("KS8695 ETHERNET: "); + for (i = 0; (i < 5); i++) { + bd->bi_enetaddr[i] = eth_mac[i]; + printf("%02x:", eth_mac[i]); + } + bd->bi_enetaddr[i] = eth_mac[i]; + printf("%02x\n", eth_mac[i]); +} + +/****************************************************************************/ + +int eth_init(bd_t *bd) +{ + debug ("%s(%d): eth_init()\n", __FILE__, __LINE__); + + eth_reset(bd); + return 0; +} + +/****************************************************************************/ + +void eth_halt(void) +{ + debug ("%s(%d): eth_halt()\n", __FILE__, __LINE__); + + /* Reset the ethernet engines */ + ks8695_write(KS8695_LAN_DMA_TX, 0x80000000); + ks8695_write(KS8695_LAN_DMA_RX, 0x80000000); +} + +/****************************************************************************/ + +int eth_rx(void) +{ + volatile struct ks8695_rxdesc *dp; + int i, len = 0; + + debug ("%s(%d): eth_rx()\n", __FILE__, __LINE__); + + for (i = 0; (i < RXDESCS); i++) { + dp= &ks8695_rx[i]; + if ((dp->status & 0x80000000) == 0) { + len = (dp->status & 0x7ff) - 4; + NetReceive((void *) dp->addr, len); + dp->status = 0x80000000; + ks8695_write(KS8695_LAN_DMA_RX_START, 0x1); + break; + } + } + + return len; +} + +/****************************************************************************/ + +int eth_send(volatile void *packet, int len) +{ + volatile struct ks8695_txdesc *dp; + static int next = 0; + + debug ("%s(%d): eth_send(packet=%x,len=%d)\n", __FILE__, __LINE__, + packet, len); + + dp = &ks8695_tx[next]; + memcpy((void *) dp->addr, packet, len); + + if (len < 64) { + memset(dp->addr+len, 0, 64-len); + len = 64; + } + + dp->ctrl = len | 0xe0000000; + dp->owner = 0x80000000; + + ks8695_write(KS8695_LAN_DMA_TX, 0x3); + ks8695_write(KS8695_LAN_DMA_TX_START, 0x1); + + if (++next >= TXDESCS) + next = 0; + + return len; +} + +/****************************************************************************/ diff --git a/include/asm-arm/arch-ks8695/platform.h b/include/asm-arm/arch-ks8695/platform.h new file mode 100644 index 0000000000..de20015001 --- /dev/null +++ b/include/asm-arm/arch-ks8695/platform.h @@ -0,0 +1,306 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __address_h +#define __address_h 1 + +#define KS8695_SDRAM_START 0x00000000 +#define KS8695_SDRAM_SIZE 0x01000000 +#define KS8695_MEM_SIZE KS8695_SDRAM_SIZE +#define KS8695_MEM_START KS8695_SDRAM_START + +#define KS8695_PCMCIA_IO_BASE 0x03800000 +#define KS8695_PCMCIA_IO_SIZE 0x00040000 + +#define KS8695_IO_BASE 0x03FF0000 +#define KS8695_IO_SIZE 0x00010000 + +#define KS8695_SYSTEN_CONFIG 0x00 +#define KS8695_SYSTEN_BUS_CLOCK 0x04 + +#define KS8695_FLASH_START 0x02800000 +#define KS8695_FLASH_SIZE 0x00400000 + +/*i/o control registers offset difinitions*/ +#define KS8695_IO_CTRL0 0x4000 +#define KS8695_IO_CTRL1 0x4004 +#define KS8695_IO_CTRL2 0x4008 +#define KS8695_IO_CTRL3 0x400C + +/*memory control registers offset difinitions*/ +#define KS8695_MEM_CTRL0 0x4010 +#define KS8695_MEM_CTRL1 0x4014 +#define KS8695_MEM_CTRL2 0x4018 +#define KS8695_MEM_CTRL3 0x401C +#define KS8695_MEM_GENERAL 0x4020 +#define KS8695_SDRAM_CTRL0 0x4030 +#define KS8695_SDRAM_CTRL1 0x4034 +#define KS8695_SDRAM_GENERAL 0x4038 +#define KS8695_SDRAM_BUFFER 0x403C +#define KS8695_SDRAM_REFRESH 0x4040 + +/*WAN control registers offset difinitions*/ +#define KS8695_WAN_DMA_TX 0x6000 +#define KS8695_WAN_DMA_RX 0x6004 +#define KS8695_WAN_DMA_TX_START 0x6008 +#define KS8695_WAN_DMA_RX_START 0x600C +#define KS8695_WAN_TX_LIST 0x6010 +#define KS8695_WAN_RX_LIST 0x6014 +#define KS8695_WAN_MAC_LOW 0x6018 +#define KS8695_WAN_MAC_HIGH 0x601C +#define KS8695_WAN_MAC_ELOW 0x6080 +#define KS8695_WAN_MAC_EHIGH 0x6084 + +/*LAN control registers offset difinitions*/ +#define KS8695_LAN_DMA_TX 0x8000 +#define KS8695_LAN_DMA_RX 0x8004 +#define KS8695_LAN_DMA_TX_START 0x8008 +#define KS8695_LAN_DMA_RX_START 0x800C +#define KS8695_LAN_TX_LIST 0x8010 +#define KS8695_LAN_RX_LIST 0x8014 +#define KS8695_LAN_MAC_LOW 0x8018 +#define KS8695_LAN_MAC_HIGH 0x801C +#define KS8695_LAN_MAC_ELOW 0X8080 +#define KS8695_LAN_MAC_EHIGH 0X8084 + +/*HPNA control registers offset difinitions*/ +#define KS8695_HPNA_DMA_TX 0xA000 +#define KS8695_HPNA_DMA_RX 0xA004 +#define KS8695_HPNA_DMA_TX_START 0xA008 +#define KS8695_HPNA_DMA_RX_START 0xA00C +#define KS8695_HPNA_TX_LIST 0xA010 +#define KS8695_HPNA_RX_LIST 0xA014 +#define KS8695_HPNA_MAC_LOW 0xA018 +#define KS8695_HPNA_MAC_HIGH 0xA01C +#define KS8695_HPNA_MAC_ELOW 0xA080 +#define KS8695_HPNA_MAC_EHIGH 0xA084 + +/*UART control registers offset difinitions*/ +#define KS8695_UART_RX_BUFFER 0xE000 +#define KS8695_UART_TX_HOLDING 0xE004 + +#define KS8695_UART_FIFO_CTRL 0xE008 +#define KS8695_UART_FIFO_TRIG01 0x00 +#define KS8695_UART_FIFO_TRIG04 0x80 +#define KS8695_UART_FIFO_TXRST 0x03 +#define KS8695_UART_FIFO_RXRST 0x02 +#define KS8695_UART_FIFO_FEN 0x01 + +#define KS8695_UART_LINE_CTRL 0xE00C +#define KS8695_UART_LINEC_BRK 0x40 +#define KS8695_UART_LINEC_EPS 0x10 +#define KS8695_UART_LINEC_PEN 0x08 +#define KS8695_UART_LINEC_STP2 0x04 +#define KS8695_UART_LINEC_WLEN8 0x03 +#define KS8695_UART_LINEC_WLEN7 0x02 +#define KS8695_UART_LINEC_WLEN6 0x01 +#define KS8695_UART_LINEC_WLEN5 0x00 + +#define KS8695_UART_MODEM_CTRL 0xE010 +#define KS8695_UART_MODEMC_RTS 0x02 +#define KS8695_UART_MODEMC_DTR 0x01 + +#define KS8695_UART_LINE_STATUS 0xE014 +#define KS8695_UART_LINES_TXFE 0x20 +#define KS8695_UART_LINES_BE 0x10 +#define KS8695_UART_LINES_FE 0x08 +#define KS8695_UART_LINES_PE 0x04 +#define KS8695_UART_LINES_OE 0x02 +#define KS8695_UART_LINES_RXFE 0x01 +#define KS8695_UART_LINES_ANY (KS8695_UART_LINES_OE|KS8695_UART_LINES_BE|KS8695_UART_LINES_PE|KS8695_UART_LINES_FE) + +#define KS8695_UART_MODEM_STATUS 0xE018 +#define KS8695_UART_MODEM_DCD 0x80 +#define KS8695_UART_MODEM_DSR 0x20 +#define KS8695_UART_MODEM_CTS 0x10 +#define KS8695_UART_MODEM_DDCD 0x08 +#define KS8695_UART_MODEM_DDSR 0x02 +#define KS8695_UART_MODEM_DCTS 0x01 +#define UART8695_MODEM_ANY 0xFF + +#define KS8695_UART_DIVISOR 0xE01C +#define KS8695_UART_STATUS 0xE020 + +/*Interrupt controlller registers offset difinitions*/ +#define KS8695_INT_CONTL 0xE200 +#define KS8695_INT_ENABLE 0xE204 +#define KS8695_INT_ENABLE_MODEM 0x0800 +#define KS8695_INT_ENABLE_ERR 0x0400 +#define KS8695_INT_ENABLE_RX 0x0200 +#define KS8695_INT_ENABLE_TX 0x0100 + +#define KS8695_INT_STATUS 0xE208 +#define KS8695_INT_WAN_PRIORITY 0xE20C +#define KS8695_INT_HPNA_PRIORITY 0xE210 +#define KS8695_INT_LAN_PRIORITY 0xE214 +#define KS8695_INT_TIMER_PRIORITY 0xE218 +#define KS8695_INT_UART_PRIORITY 0xE21C +#define KS8695_INT_EXT_PRIORITY 0xE220 +#define KS8695_INT_CHAN_PRIORITY 0xE224 +#define KS8695_INT_BUSERROR_PRO 0xE228 +#define KS8695_INT_MASK_STATUS 0xE22C +#define KS8695_FIQ_PEND_PRIORITY 0xE230 +#define KS8695_IRQ_PEND_PRIORITY 0xE234 + +/*timer registers offset difinitions*/ +#define KS8695_TIMER_CTRL 0xE400 +#define KS8695_TIMER1 0xE404 +#define KS8695_TIMER0 0xE408 +#define KS8695_TIMER1_PCOUNT 0xE40C +#define KS8695_TIMER0_PCOUNT 0xE410 + +/*GPIO registers offset difinitions*/ +#define KS8695_GPIO_MODE 0xE600 +#define KS8695_GPIO_CTRL 0xE604 +#define KS8695_GPIO_DATA 0xE608 + +/*SWITCH registers offset difinitions*/ +#define KS8695_SWITCH_CTRL0 0xE800 +#define KS8695_SWITCH_CTRL1 0xE804 +#define KS8695_SWITCH_PORT1 0xE808 +#define KS8695_SWITCH_PORT2 0xE80C +#define KS8695_SWITCH_PORT3 0xE810 +#define KS8695_SWITCH_PORT4 0xE814 +#define KS8695_SWITCH_PORT5 0xE818 +#define KS8695_SWITCH_AUTO0 0xE81C +#define KS8695_SWITCH_AUTO1 0xE820 +#define KS8695_SWITCH_LUE_CTRL 0xE824 +#define KS8695_SWITCH_LUE_HIGH 0xE828 +#define KS8695_SWITCH_LUE_LOW 0xE82C +#define KS8695_SWITCH_ADVANCED 0xE830 + +#define KS8695_SWITCH_LPPM12 0xE874 +#define KS8695_SWITCH_LPPM34 0xE878 + +/*host communication registers difinitions*/ +#define KS8695_DSCP_HIGH 0xE834 +#define KS8695_DSCP_LOW 0xE838 +#define KS8695_SWITCH_MAC_HIGH 0xE83C +#define KS8695_SWITCH_MAC_LOW 0xE840 + +/*miscellaneours registers difinitions*/ +#define KS8695_MANAGE_COUNTER 0xE844 +#define KS8695_MANAGE_DATA 0xE848 +#define KS8695_LAN12_POWERMAGR 0xE84C +#define KS8695_LAN34_POWERMAGR 0xE850 + +#define KS8695_DEVICE_ID 0xEA00 +#define KS8695_REVISION_ID 0xEA04 + +#define KS8695_MISC_CONTROL 0xEA08 +#define KS8695_WAN_CONTROL 0xEA0C +#define KS8695_WAN_POWERMAGR 0xEA10 +#define KS8695_WAN_PHY_CONTROL 0xEA14 +#define KS8695_WAN_PHY_STATUS 0xEA18 + +/* bus clock definitions*/ +#define KS8695_BUS_CLOCK_125MHZ 0x0 +#define KS8695_BUS_CLOCK_100MHZ 0x1 +#define KS8695_BUS_CLOCK_62MHZ 0x2 +#define KS8695_BUS_CLOCK_50MHZ 0x3 +#define KS8695_BUS_CLOCK_41MHZ 0x4 +#define KS8695_BUS_CLOCK_33MHZ 0x5 +#define KS8695_BUS_CLOCK_31MHZ 0x6 +#define KS8695_BUS_CLOCK_25MHZ 0x7 + +/* ------------------------------------------------------------------------------- + * definations for IRQ + * -------------------------------------------------------------------------------*/ + +#define KS8695_INT_EXT_INT0 2 +#define KS8695_INT_EXT_INT1 3 +#define KS8695_INT_EXT_INT2 4 +#define KS8695_INT_EXT_INT3 5 +#define KS8695_INT_TIMERINT0 6 +#define KS8695_INT_TIMERINT1 7 +#define KS8695_INT_UART_TX 8 +#define KS8695_INT_UART_RX 9 +#define KS8695_INT_UART_LINE_ERR 10 +#define KS8695_INT_UART_MODEMS 11 +#define KS8695_INT_LAN_STOP_RX 12 +#define KS8695_INT_LAN_STOP_TX 13 +#define KS8695_INT_LAN_BUF_RX_STATUS 14 +#define KS8695_INT_LAN_BUF_TX_STATUS 15 +#define KS8695_INT_LAN_RX_STATUS 16 +#define KS8695_INT_LAN_TX_STATUS 17 +#define KS8695_INT_HPAN_STOP_RX 18 +#define KS8695_INT_HPNA_STOP_TX 19 +#define KS8695_INT_HPNA_BUF_RX_STATUS 20 +#define KS8695_INT_HPNA_BUF_TX_STATUS 21 +#define KS8695_INT_HPNA_RX_STATUS 22 +#define KS8695_INT_HPNA_TX_STATUS 23 +#define KS8695_INT_BUS_ERROR 24 +#define KS8695_INT_WAN_STOP_RX 25 +#define KS8695_INT_WAN_STOP_TX 26 +#define KS8695_INT_WAN_BUF_RX_STATUS 27 +#define KS8695_INT_WAN_BUF_TX_STATUS 28 +#define KS8695_INT_WAN_RX_STATUS 29 +#define KS8695_INT_WAN_TX_STATUS 30 + +#define KS8695_INT_UART KS8695_INT_UART_TX + +/* ------------------------------------------------------------------------------- + * Interrupt bit positions + * + * ------------------------------------------------------------------------------- + */ + +#define KS8695_INTMASK_EXT_INT0 ( 1 << KS8695_INT_EXT_INT0 ) +#define KS8695_INTMASK_EXT_INT1 ( 1 << KS8695_INT_EXT_INT1 ) +#define KS8695_INTMASK_EXT_INT2 ( 1 << KS8695_INT_EXT_INT2 ) +#define KS8695_INTMASK_EXT_INT3 ( 1 << KS8695_INT_EXT_INT3 ) +#define KS8695_INTMASK_TIMERINT0 ( 1 << KS8695_INT_TIMERINT0 ) +#define KS8695_INTMASK_TIMERINT1 ( 1 << KS8695_INT_TIMERINT1 ) +#define KS8695_INTMASK_UART_TX ( 1 << KS8695_INT_UART_TX ) +#define KS8695_INTMASK_UART_RX ( 1 << KS8695_INT_UART_RX ) +#define KS8695_INTMASK_UART_LINE_ERR ( 1 << KS8695_INT_UART_LINE_ERR ) +#define KS8695_INTMASK_UART_MODEMS ( 1 << KS8695_INT_UART_MODEMS ) +#define KS8695_INTMASK_LAN_STOP_RX ( 1 << KS8695_INT_LAN_STOP_RX ) +#define KS8695_INTMASK_LAN_STOP_TX ( 1 << KS8695_INT_LAN_STOP_TX ) +#define KS8695_INTMASK_LAN_BUF_RX_STATUS ( 1 << KS8695_INT_LAN_BUF_RX_STATUS ) +#define KS8695_INTMASK_LAN_BUF_TX_STATUS ( 1 << KS8695_INT_LAN_BUF_TX_STATUS ) +#define KS8695_INTMASK_LAN_RX_STATUS ( 1 << KS8695_INT_LAN_RX_STATUS ) +#define KS8695_INTMASK_LAN_TX_STATUS ( 1 << KS8695_INT_LAN_RX_STATUS ) +#define KS8695_INTMASK_HPAN_STOP_RX ( 1 << KS8695_INT_HPAN_STOP_RX ) +#define KS8695_INTMASK_HPNA_STOP_TX ( 1 << KS8695_INT_HPNA_STOP_TX ) +#define KS8695_INTMASK_HPNA_BUF_RX_STATUS ( 1 << KS8695_INT_HPNA_BUF_RX_STATUS ) +#define KS8695_INTMAKS_HPNA_BUF_TX_STATUS ( 1 << KS8695_INT_HPNA_BUF_TX_STATUS +#define KS8695_INTMASK_HPNA_RX_STATUS ( 1 << KS8695_INT_HPNA_RX_STATUS ) +#define KS8695_INTMASK_HPNA_TX_STATUS ( 1 << KS8695_INT_HPNA_TX_STATUS ) +#define KS8695_INTMASK_BUS_ERROR ( 1 << KS8695_INT_BUS_ERROR ) +#define KS8695_INTMASK_WAN_STOP_RX ( 1 << KS8695_INT_WAN_STOP_RX ) +#define KS8695_INTMASK_WAN_STOP_TX ( 1 << KS8695_INT_WAN_STOP_TX ) +#define KS8695_INTMASK_WAN_BUF_RX_STATUS ( 1 << KS8695_INT_WAN_BUF_RX_STATUS ) +#define KS8695_INTMASK_WAN_BUF_TX_STATUS ( 1 << KS8695_INT_WAN_BUF_TX_STATUS ) +#define KS8695_INTMASK_WAN_RX_STATUS ( 1 << KS8695_INT_WAN_RX_STATUS ) +#define KS8695_INTMASK_WAN_TX_STATUS ( 1 << KS8695_INT_WAN_TX_STATUS ) + +#define KS8695_SC_VALID_INT 0xFFFFFFFF +#define MAXIRQNUM 31 + +/* + * Timer definitions + * + * Use timer 1 & 2 + * (both run at 25MHz). + * + */ +#define TICKS_PER_uSEC 25 +#define mSEC_1 1000 +#define mSEC_10 (mSEC_1 * 10) + +#endif + +/* END */ diff --git a/lib_arm/armlinux.c b/lib_arm/armlinux.c index 5596569e52..d15860578a 100644 --- a/lib_arm/armlinux.c +++ b/lib_arm/armlinux.c @@ -377,15 +377,30 @@ static void setup_videolfb_tag (gd_t *gd) } #endif /* CONFIG_VFD || CONFIG_LCD */ +#ifdef CONFIG_SERIAL_TAG +void setup_serial_tag (struct tag **tmp) +{ + struct tag *params = *tmp; + struct tag_serialnr serialnr; + void get_board_serial(struct tag_serialnr *serialnr); + + get_board_serial(&serialnr); + params->hdr.tag = ATAG_SERIAL; + params->hdr.size = tag_size (tag_serialnr); + params->u.serialnr.low = serialnr.low; + params->u.serialnr.high= serialnr.high; + params = tag_next (params); + *tmp = params; +} +#endif + #ifdef CONFIG_REVISION_TAG void setup_revision_tag(struct tag **in_params) { u32 rev = 0; -#ifdef CONFIG_OMAP2420H4 u32 get_board_rev(void); rev = get_board_rev(); -#endif params->hdr.tag = ATAG_REVISION; params->hdr.size = tag_size (tag_revision); params->u.revision.rev = rev; |