diff options
Diffstat (limited to 'packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c')
-rw-r--r-- | packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c b/packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c new file mode 100644 index 0000000000..47be53bf81 --- /dev/null +++ b/packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c @@ -0,0 +1,156 @@ +/* + * 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/init.h> +#include <linux/device.h> +#include <linux/serial.h> +#include <linux/tty.h> +#include <linux/serial_8250.h> + +#include <asm/types.h> +#include <asm/setup.h> +#include <asm/memory.h> +#include <asm/hardware.h> +#include <asm/mach-types.h> +#include <asm/irq.h> +#include <asm/mach/arch.h> +#include <asm/mach/flash.h> + +void __init nslu2_map_io(void) +{ + ixp4xx_map_io(); +} + +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 + }, + { + }, +#if 0 + , { + .start = IXP4XX_UART2_BASE_PHYS, + .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, + .flags = IORESOURCE_MEM + } +#endif +}; + +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, + }, + { + }, + +#if 0 + , { + .mapbase = IXP4XX_UART2_BASE_PHYS, + .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, + .irq = IRQ_IXP4XX_UART1, + .flags = UPF_BOOT_AUTOCONF, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = IXP4XX_UART_XTAL, + } +#endif +}; + +static struct platform_device nslu2_uart = { + .name = "serial8250", + .id = 0, + .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 n2_power_off(void) +{ + /* This causes the box to drop the power and go dead. */ +#define GPIO_PO_BM 0x0100 //b0000 0001 0000 0000 + *IXP4XX_GPIO_GPOER &= ~GPIO_PO_BM; // enable the pwr cntl gpio + *IXP4XX_GPIO_GPOUTR |= GPIO_PO_BM; // do the deed +} + +static void __init nslu2_init(void) +{ + ixp4xx_sys_init(); + + pm_power_off = n2_power_off; + platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices)); +} + +MACHINE_START(NSLU2, "Linksys NSLU2") + MAINTAINER("www.nslu2-linux.org") + BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS, + IXP4XX_PERIPHERAL_BASE_VIRT) + MAPIO(nslu2_map_io) + INITIRQ(ixp4xx_init_irq) //FIXME: all irq are off here + .timer = &ixp4xx_timer, + // INITTIME(ixp4xx_init_time) //this was missing in 2.6.7 code ...soft reboot needed? + BOOT_PARAMS(0x0100) + INIT_MACHINE(nslu2_init) +MACHINE_END + |