135 lines
3.1 KiB
C
135 lines
3.1 KiB
C
/*
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* arch/arm/mach-ixp4xx/nslu2-setup.c
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*
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* NSLU2 board-setup
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*
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* based ixdp425-setup.c:
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* Copyright (C) 2003-2004 MontaVista Software, Inc.
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*
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* Author: Mark Rakes <mrakes at mac.com>
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* Maintainers: http://www.nslu2-linux.org/
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*
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* Fixed missing init_time in MACHINE_START kas11 10/22/04
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* Changed to conform to new style __init ixdp425 kas11 10/22/04
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*/
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#include <linux/kernel.h>
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#include <linux/serial.h>
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#include <linux/serial_8250.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/flash.h>
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static struct flash_platform_data nslu2_flash_data = {
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.map_name = "cfi_probe",
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.width = 2,
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};
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static struct resource nslu2_flash_resource = {
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.start = NSLU2_FLASH_BASE,
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.end = NSLU2_FLASH_BASE + NSLU2_FLASH_SIZE,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device nslu2_flash = {
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.name = "IXP4XX-Flash",
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.id = 0,
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.dev.platform_data = &nslu2_flash_data,
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.num_resources = 1,
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.resource = &nslu2_flash_resource,
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};
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static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
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.sda_pin = NSLU2_SDA_PIN,
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.scl_pin = NSLU2_SCL_PIN,
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};
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static struct platform_device nslu2_i2c_controller = {
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.name = "IXP4XX-I2C",
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.id = 0,
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.dev.platform_data = &nslu2_i2c_gpio_pins,
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.num_resources = 0,
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};
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static struct resource nslu2_uart_resources[] = {
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{
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.start = IXP4XX_UART1_BASE_PHYS,
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.end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IXP4XX_UART2_BASE_PHYS,
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.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct plat_serial8250_port nslu2_uart_data[] = {
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{
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.mapbase = IXP4XX_UART1_BASE_PHYS,
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.membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
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.irq = IRQ_IXP4XX_UART1,
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.flags = UPF_BOOT_AUTOCONF,
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.iotype = UPIO_MEM,
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.regshift = 2,
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.uartclk = IXP4XX_UART_XTAL,
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},
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{
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.mapbase = IXP4XX_UART2_BASE_PHYS,
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.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
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.irq = IRQ_IXP4XX_UART2,
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.flags = UPF_BOOT_AUTOCONF,
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.iotype = UPIO_MEM,
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.regshift = 2,
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.uartclk = IXP4XX_UART_XTAL,
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},
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{ }
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};
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static struct platform_device nslu2_uart = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM,
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.dev.platform_data = nslu2_uart_data,
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.num_resources = 2,
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.resource = nslu2_uart_resources,
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};
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static struct platform_device *nslu2_devices[] __initdata = {
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&nslu2_i2c_controller,
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&nslu2_flash,
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&nslu2_uart,
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};
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static void nslu2_power_off(void)
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{
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/* This causes the box to drop the power and go dead. */
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/* enable the pwr cntl gpio */
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gpio_line_config(NSLU2_PO_GPIO, IXP4XX_GPIO_OUT);
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/* do the deed */
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gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH);
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}
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static void __init nslu2_init(void)
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{
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ixp4xx_sys_init();
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pm_power_off = nslu2_power_off;
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platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
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}
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MACHINE_START(NSLU2, "Linksys NSLU2")
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/* Maintainer: www.nslu2-linux.org */
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.phys_ram = PHYS_OFFSET,
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.phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
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.io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
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.boot_params = 0x00000100,
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.map_io = ixp4xx_map_io,
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.init_irq = ixp4xx_init_irq,
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.timer = &ixp4xx_timer,
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.init_machine = nslu2_init,
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MACHINE_END
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