diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-10 10:17:11 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-10 10:17:11 -0800 |
commit | a46699c9a32505cb5bbfd16f76e7d4a2c84a7705 (patch) | |
tree | 5c0bc91dd1c07ab95769f5749b3b58235c758d50 /arch/arm/mach-ixp4xx/nslu2-setup.c | |
parent | 7ed0175a462c4c30f6df6fac1cccac058f997739 (diff) | |
parent | b216c01829d0b73a468204e2e763c0a818b77a46 (diff) |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Diffstat (limited to 'arch/arm/mach-ixp4xx/nslu2-setup.c')
-rw-r--r-- | arch/arm/mach-ixp4xx/nslu2-setup.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c new file mode 100644 index 00000000000..289e94cb65c --- /dev/null +++ b/arch/arm/mach-ixp4xx/nslu2-setup.c @@ -0,0 +1,134 @@ +/* + * arch/arm/mach-ixp4xx/nslu2-setup.c + * + * NSLU2 board-setup + * + * based ixdp425-setup.c: + * Copyright (C) 2003-2004 MontaVista Software, Inc. + * + * Author: Mark Rakes <mrakes at mac.com> + * Maintainers: http://www.nslu2-linux.org/ + * + * Fixed missing init_time in MACHINE_START kas11 10/22/04 + * Changed to conform to new style __init ixdp425 kas11 10/22/04 + */ + +#include <linux/kernel.h> +#include <linux/serial.h> +#include <linux/serial_8250.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/flash.h> + +static struct flash_platform_data nslu2_flash_data = { + .map_name = "cfi_probe", + .width = 2, +}; + +static struct resource nslu2_flash_resource = { + .start = NSLU2_FLASH_BASE, + .end = NSLU2_FLASH_BASE + NSLU2_FLASH_SIZE, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device nslu2_flash = { + .name = "IXP4XX-Flash", + .id = 0, + .dev.platform_data = &nslu2_flash_data, + .num_resources = 1, + .resource = &nslu2_flash_resource, +}; + +static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = { + .sda_pin = NSLU2_SDA_PIN, + .scl_pin = NSLU2_SCL_PIN, +}; + +static struct platform_device nslu2_i2c_controller = { + .name = "IXP4XX-I2C", + .id = 0, + .dev.platform_data = &nslu2_i2c_gpio_pins, + .num_resources = 0, +}; + +static struct resource nslu2_uart_resources[] = { + { + .start = IXP4XX_UART1_BASE_PHYS, + .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, + .flags = IORESOURCE_MEM, + }, + { + .start = IXP4XX_UART2_BASE_PHYS, + .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, + .flags = IORESOURCE_MEM, + } +}; + +static struct plat_serial8250_port nslu2_uart_data[] = { + { + .mapbase = IXP4XX_UART1_BASE_PHYS, + .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, + .irq = IRQ_IXP4XX_UART1, + .flags = UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = IXP4XX_UART_XTAL, + }, + { + .mapbase = IXP4XX_UART2_BASE_PHYS, + .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, + .irq = IRQ_IXP4XX_UART2, + .flags = UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = IXP4XX_UART_XTAL, + }, + { } +}; + +static struct platform_device nslu2_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev.platform_data = nslu2_uart_data, + .num_resources = 2, + .resource = nslu2_uart_resources, +}; + +static struct platform_device *nslu2_devices[] __initdata = { + &nslu2_i2c_controller, + &nslu2_flash, + &nslu2_uart, +}; + +static void nslu2_power_off(void) +{ + /* This causes the box to drop the power and go dead. */ + + /* enable the pwr cntl gpio */ + gpio_line_config(NSLU2_PO_GPIO, IXP4XX_GPIO_OUT); + + /* do the deed */ + gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH); +} + +static void __init nslu2_init(void) +{ + ixp4xx_sys_init(); + + pm_power_off = nslu2_power_off; + + platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices)); +} + +MACHINE_START(NSLU2, "Linksys NSLU2") + /* Maintainer: www.nslu2-linux.org */ + .phys_ram = PHYS_OFFSET, + .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, + .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, + .boot_params = 0x00000100, + .map_io = ixp4xx_map_io, + .init_irq = ixp4xx_init_irq, + .timer = &ixp4xx_timer, + .init_machine = nslu2_init, +MACHINE_END |