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-rw-r--r--arch/arm/mach-ixp2000/ixdp2x01.c483
1 files changed, 0 insertions, 483 deletions
diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c
deleted file mode 100644
index 5196c39..0000000
--- a/arch/arm/mach-ixp2000/ixdp2x01.c
+++ /dev/null
@@ -1,483 +0,0 @@
-/*
- * arch/arm/mach-ixp2000/ixdp2x01.c
- *
- * Code common to Intel IXDP2401 and IXDP2801 platforms
- *
- * Original Author: Andrzej Mialkowski <andrzej.mialkowski@intel.com>
- * Maintainer: Deepak Saxena <dsaxena@plexity.net>
- *
- * Copyright (C) 2002-2003 Intel Corp.
- * Copyright (C) 2003-2004 MontaVista Software, Inc.
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/bitops.h>
-#include <linux/pci.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/serial.h>
-#include <linux/tty.h>
-#include <linux/serial_core.h>
-#include <linux/platform_device.h>
-#include <linux/serial_8250.h>
-#include <linux/io.h>
-
-#include <asm/irq.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-
-#include <asm/mach/pci.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/time.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
-
-/*************************************************************************
- * IXDP2x01 IRQ Handling
- *************************************************************************/
-static void ixdp2x01_irq_mask(struct irq_data *d)
-{
- ixp2000_reg_wrb(IXDP2X01_INT_MASK_SET_REG,
- IXP2000_BOARD_IRQ_MASK(d->irq));
-}
-
-static void ixdp2x01_irq_unmask(struct irq_data *d)
-{
- ixp2000_reg_write(IXDP2X01_INT_MASK_CLR_REG,
- IXP2000_BOARD_IRQ_MASK(d->irq));
-}
-
-static u32 valid_irq_mask;
-
-static void ixdp2x01_irq_handler(unsigned int irq, struct irq_desc *desc)
-{
- u32 ex_interrupt;
- int i;
-
- desc->irq_data.chip->irq_mask(&desc->irq_data);
-
- ex_interrupt = *IXDP2X01_INT_STAT_REG & valid_irq_mask;
-
- if (!ex_interrupt) {
- printk(KERN_ERR "Spurious IXDP2X01 CPLD interrupt!\n");
- return;
- }
-
- for (i = 0; i < IXP2000_BOARD_IRQS; i++) {
- if (ex_interrupt & (1 << i)) {
- int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
- generic_handle_irq(cpld_irq);
- }
- }
-
- desc->irq_data.chip->irq_unmask(&desc->irq_data);
-}
-
-static struct irq_chip ixdp2x01_irq_chip = {
- .irq_mask = ixdp2x01_irq_mask,
- .irq_ack = ixdp2x01_irq_mask,
- .irq_unmask = ixdp2x01_irq_unmask
-};
-
-/*
- * We only do anything if we are the master NPU on the board.
- * The slave NPU only has the ethernet chip going directly to
- * the PCIB interrupt input.
- */
-void __init ixdp2x01_init_irq(void)
-{
- int irq = 0;
-
- /* initialize chip specific interrupts */
- ixp2000_init_irq();
-
- if (machine_is_ixdp2401())
- valid_irq_mask = IXDP2401_VALID_IRQ_MASK;
- else
- valid_irq_mask = IXDP2801_VALID_IRQ_MASK;
-
- /* Mask all interrupts from CPLD, disable simulation */
- ixp2000_reg_write(IXDP2X01_INT_MASK_SET_REG, 0xffffffff);
- ixp2000_reg_wrb(IXDP2X01_INT_SIM_REG, 0);
-
- for (irq = NR_IXP2000_IRQS; irq < NR_IXDP2X01_IRQS; irq++) {
- if (irq & valid_irq_mask) {
- irq_set_chip_and_handler(irq, &ixdp2x01_irq_chip,
- handle_level_irq);
- set_irq_flags(irq, IRQF_VALID);
- } else {
- set_irq_flags(irq, 0);
- }
- }
-
- /* Hook into PCI interrupts */
- irq_set_chained_handler(IRQ_IXP2000_PCIB, ixdp2x01_irq_handler);
-}
-
-
-/*************************************************************************
- * IXDP2x01 memory map
- *************************************************************************/
-static struct map_desc ixdp2x01_io_desc __initdata = {
- .virtual = IXDP2X01_VIRT_CPLD_BASE,
- .pfn = __phys_to_pfn(IXDP2X01_PHYS_CPLD_BASE),
- .length = IXDP2X01_CPLD_REGION_SIZE,
- .type = MT_DEVICE
-};
-
-static void __init ixdp2x01_map_io(void)
-{
- ixp2000_map_io();
- iotable_init(&ixdp2x01_io_desc, 1);
-}
-
-
-/*************************************************************************
- * IXDP2x01 serial ports
- *************************************************************************/
-static struct plat_serial8250_port ixdp2x01_serial_port1[] = {
- {
- .mapbase = (unsigned long)IXDP2X01_UART1_PHYS_BASE,
- .membase = (char *)IXDP2X01_UART1_VIRT_BASE,
- .irq = IRQ_IXDP2X01_UART1,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- .iotype = UPIO_MEM32,
- .regshift = 2,
- .uartclk = IXDP2X01_UART_CLK,
- },
- { }
-};
-
-static struct resource ixdp2x01_uart_resource1 = {
- .start = IXDP2X01_UART1_PHYS_BASE,
- .end = IXDP2X01_UART1_PHYS_BASE + 0xffff,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device ixdp2x01_serial_device1 = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM1,
- .dev = {
- .platform_data = ixdp2x01_serial_port1,
- },
- .num_resources = 1,
- .resource = &ixdp2x01_uart_resource1,
-};
-
-static struct plat_serial8250_port ixdp2x01_serial_port2[] = {
- {
- .mapbase = (unsigned long)IXDP2X01_UART2_PHYS_BASE,
- .membase = (char *)IXDP2X01_UART2_VIRT_BASE,
- .irq = IRQ_IXDP2X01_UART2,
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
- .iotype = UPIO_MEM32,
- .regshift = 2,
- .uartclk = IXDP2X01_UART_CLK,
- },
- { }
-};
-
-static struct resource ixdp2x01_uart_resource2 = {
- .start = IXDP2X01_UART2_PHYS_BASE,
- .end = IXDP2X01_UART2_PHYS_BASE + 0xffff,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device ixdp2x01_serial_device2 = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM2,
- .dev = {
- .platform_data = ixdp2x01_serial_port2,
- },
- .num_resources = 1,
- .resource = &ixdp2x01_uart_resource2,
-};
-
-static void ixdp2x01_uart_init(void)
-{
- platform_device_register(&ixdp2x01_serial_device1);
- platform_device_register(&ixdp2x01_serial_device2);
-}
-
-
-/*************************************************************************
- * IXDP2x01 timer tick configuration
- *************************************************************************/
-static unsigned int ixdp2x01_clock;
-
-static int __init ixdp2x01_clock_setup(char *str)
-{
- ixdp2x01_clock = simple_strtoul(str, NULL, 10);
-
- return 1;
-}
-
-__setup("ixdp2x01_clock=", ixdp2x01_clock_setup);
-
-static void __init ixdp2x01_timer_init(void)
-{
- if (!ixdp2x01_clock)
- ixdp2x01_clock = 50000000;
-
- ixp2000_init_time(ixdp2x01_clock);
-}
-
-static struct sys_timer ixdp2x01_timer = {
- .init = ixdp2x01_timer_init,
- .offset = ixp2000_gettimeoffset,
-};
-
-/*************************************************************************
- * IXDP2x01 PCI
- *************************************************************************/
-void __init ixdp2x01_pci_preinit(void)
-{
- ixp2000_reg_write(IXP2000_PCI_ADDR_EXT, 0x00000000);
- ixp2000_pci_preinit();
- pcibios_setup("firmware");
-}
-
-#define DEVPIN(dev, pin) ((pin) | ((dev) << 3))
-
-static int __init ixdp2x01_pci_map_irq(const struct pci_dev *dev, u8 slot,
- u8 pin)
-{
- u8 bus = dev->bus->number;
- u32 devpin = DEVPIN(PCI_SLOT(dev->devfn), pin);
- struct pci_bus *tmp_bus = dev->bus;
-
- /* Primary bus, no interrupts here */
- if (bus == 0) {
- return -1;
- }
-
- /* Lookup first leaf in bus tree */
- while ((tmp_bus->parent != NULL) && (tmp_bus->parent->parent != NULL)) {
- tmp_bus = tmp_bus->parent;
- }
-
- /* Select between known bridges */
- switch (tmp_bus->self->devfn | (tmp_bus->self->bus->number << 8)) {
- /* Device is located after first MB bridge */
- case 0x0008:
- if (tmp_bus == dev->bus) {
- /* Device is located directly after first MB bridge */
- switch (devpin) {
- case DEVPIN(1, 1): /* Onboard 82546 ch 0 */
- if (machine_is_ixdp2401())
- return IRQ_IXDP2401_INTA_82546;
- return -1;
- case DEVPIN(1, 2): /* Onboard 82546 ch 1 */
- if (machine_is_ixdp2401())
- return IRQ_IXDP2401_INTB_82546;
- return -1;
- case DEVPIN(0, 1): /* PMC INTA# */
- return IRQ_IXDP2X01_SPCI_PMC_INTA;
- case DEVPIN(0, 2): /* PMC INTB# */
- return IRQ_IXDP2X01_SPCI_PMC_INTB;
- case DEVPIN(0, 3): /* PMC INTC# */
- return IRQ_IXDP2X01_SPCI_PMC_INTC;
- case DEVPIN(0, 4): /* PMC INTD# */
- return IRQ_IXDP2X01_SPCI_PMC_INTD;
- }
- }
- break;
- case 0x0010:
- if (tmp_bus == dev->bus) {
- /* Device is located directly after second MB bridge */
- /* Secondary bus of second bridge */
- switch (devpin) {
- case DEVPIN(0, 1): /* DB#0 */
- return IRQ_IXDP2X01_SPCI_DB_0;
- case DEVPIN(1, 1): /* DB#1 */
- return IRQ_IXDP2X01_SPCI_DB_1;
- }
- } else {
- /* Device is located indirectly after second MB bridge */
- /* Not supported now */
- }
- break;
- }
-
- return -1;
-}
-
-
-static int ixdp2x01_pci_setup(int nr, struct pci_sys_data *sys)
-{
- sys->mem_offset = 0xe0000000;
-
- if (machine_is_ixdp2801() || machine_is_ixdp28x5())
- sys->mem_offset -= ((*IXP2000_PCI_ADDR_EXT & 0xE000) << 16);
-
- return ixp2000_pci_setup(nr, sys);
-}
-
-struct hw_pci ixdp2x01_pci __initdata = {
- .nr_controllers = 1,
- .setup = ixdp2x01_pci_setup,
- .preinit = ixdp2x01_pci_preinit,
- .scan = ixp2000_pci_scan_bus,
- .map_irq = ixdp2x01_pci_map_irq,
-};
-
-int __init ixdp2x01_pci_init(void)
-{
- if (machine_is_ixdp2401() || machine_is_ixdp2801() ||\
- machine_is_ixdp28x5())
- pci_common_init(&ixdp2x01_pci);
-
- return 0;
-}
-
-subsys_initcall(ixdp2x01_pci_init);
-
-/*************************************************************************
- * IXDP2x01 Machine Initialization
- *************************************************************************/
-static struct flash_platform_data ixdp2x01_flash_platform_data = {
- .map_name = "cfi_probe",
- .width = 1,
-};
-
-static unsigned long ixdp2x01_flash_bank_setup(unsigned long ofs)
-{
- ixp2000_reg_wrb(IXDP2X01_CPLD_FLASH_REG,
- ((ofs >> IXDP2X01_FLASH_WINDOW_BITS) | IXDP2X01_CPLD_FLASH_INTERN));
- return (ofs & IXDP2X01_FLASH_WINDOW_MASK);
-}
-
-static struct ixp2000_flash_data ixdp2x01_flash_data = {
- .platform_data = &ixdp2x01_flash_platform_data,
- .bank_setup = ixdp2x01_flash_bank_setup
-};
-
-static struct resource ixdp2x01_flash_resource = {
- .start = 0xc4000000,
- .end = 0xc4000000 + 0x01ffffff,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device ixdp2x01_flash = {
- .name = "IXP2000-Flash",
- .id = 0,
- .dev = {
- .platform_data = &ixdp2x01_flash_data,
- },
- .num_resources = 1,
- .resource = &ixdp2x01_flash_resource,
-};
-
-static struct ixp2000_i2c_pins ixdp2x01_i2c_gpio_pins = {
- .sda_pin = IXDP2X01_GPIO_SDA,
- .scl_pin = IXDP2X01_GPIO_SCL,
-};
-
-static struct platform_device ixdp2x01_i2c_controller = {
- .name = "IXP2000-I2C",
- .id = 0,
- .dev = {
- .platform_data = &ixdp2x01_i2c_gpio_pins,
- },
- .num_resources = 0
-};
-
-static struct platform_device *ixdp2x01_devices[] __initdata = {
- &ixdp2x01_flash,
- &ixdp2x01_i2c_controller
-};
-
-static void __init ixdp2x01_init_machine(void)
-{
- ixp2000_reg_wrb(IXDP2X01_CPLD_FLASH_REG,
- (IXDP2X01_CPLD_FLASH_BANK_MASK | IXDP2X01_CPLD_FLASH_INTERN));
-
- ixdp2x01_flash_data.nr_banks =
- ((*IXDP2X01_CPLD_FLASH_REG & IXDP2X01_CPLD_FLASH_BANK_MASK) + 1);
-
- platform_add_devices(ixdp2x01_devices, ARRAY_SIZE(ixdp2x01_devices));
- ixp2000_uart_init();
- ixdp2x01_uart_init();
-}
-
-static void ixdp2401_restart(char mode, const char *cmd)
-{
- /*
- * Reset flash banking register so that we are pointing at
- * RedBoot bank.
- */
- ixp2000_reg_write(IXDP2X01_CPLD_FLASH_REG,
- ((0 >> IXDP2X01_FLASH_WINDOW_BITS)
- | IXDP2X01_CPLD_FLASH_INTERN));
- ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0xffffffff);
-
- ixp2000_restart(mode, cmd);
-}
-
-static void ixdp280x_restart(char mode, const char *cmd)
-{
- /*
- * On IXDP2801 we need to write this magic sequence to the CPLD
- * to cause a complete reset of the CPU and all external devices
- * and move the flash bank register back to 0.
- */
- unsigned long reset_reg = *IXDP2X01_CPLD_RESET_REG;
-
- reset_reg = 0x55AA0000 | (reset_reg & 0x0000FFFF);
- ixp2000_reg_write(IXDP2X01_CPLD_RESET_REG, reset_reg);
- ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0x80000000);
-
- ixp2000_restart(mode, cmd);
-}
-
-#ifdef CONFIG_ARCH_IXDP2401
-MACHINE_START(IXDP2401, "Intel IXDP2401 Development Platform")
- /* Maintainer: MontaVista Software, Inc. */
- .atag_offset = 0x100,
- .map_io = ixdp2x01_map_io,
- .init_irq = ixdp2x01_init_irq,
- .timer = &ixdp2x01_timer,
- .init_machine = ixdp2x01_init_machine,
- .restart = ixdp2401_restart,
-MACHINE_END
-#endif
-
-#ifdef CONFIG_ARCH_IXDP2801
-MACHINE_START(IXDP2801, "Intel IXDP2801 Development Platform")
- /* Maintainer: MontaVista Software, Inc. */
- .atag_offset = 0x100,
- .map_io = ixdp2x01_map_io,
- .init_irq = ixdp2x01_init_irq,
- .timer = &ixdp2x01_timer,
- .init_machine = ixdp2x01_init_machine,
- .restart = ixdp280x_restart,
-MACHINE_END
-
-/*
- * IXDP28x5 is basically an IXDP2801 with a different CPU but Intel
- * changed the machine ID in the bootloader
- */
-MACHINE_START(IXDP28X5, "Intel IXDP2805/2855 Development Platform")
- /* Maintainer: MontaVista Software, Inc. */
- .atag_offset = 0x100,
- .map_io = ixdp2x01_map_io,
- .init_irq = ixdp2x01_init_irq,
- .timer = &ixdp2x01_timer,
- .init_machine = ixdp2x01_init_machine,
- .restart = ixdp280x_restart,
-MACHINE_END
-#endif
-
-