diff options
Diffstat (limited to 'kernel/arch/arm/mach-ixp4xx/omixp-setup.c')
| -rw-r--r-- | kernel/arch/arm/mach-ixp4xx/omixp-setup.c | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-ixp4xx/omixp-setup.c b/kernel/arch/arm/mach-ixp4xx/omixp-setup.c new file mode 100644 index 000000000..2d494b454 --- /dev/null +++ b/kernel/arch/arm/mach-ixp4xx/omixp-setup.c @@ -0,0 +1,279 @@ +/* + * arch/arm/mach-ixp4xx/omixp-setup.c + * + * omicron ixp4xx board setup + * Copyright (C) 2009 OMICRON electronics GmbH + * + * based nslu2-setup.c, ixdp425-setup.c: + * 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 version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/serial.h> +#include <linux/serial_8250.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/leds.h> + +#include <asm/setup.h> +#include <asm/memory.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/flash.h> + +#include <mach/hardware.h> + +static struct resource omixp_flash_resources[] = { + { + .flags = IORESOURCE_MEM, + }, { + .flags = IORESOURCE_MEM, + }, +}; + +static struct mtd_partition omixp_partitions[] = { + { + .name = "Recovery Bootloader", + .size = 0x00020000, + .offset = 0, + }, { + .name = "Calibration Data", + .size = 0x00020000, + .offset = 0x00020000, + }, { + .name = "Recovery FPGA", + .size = 0x00020000, + .offset = 0x00040000, + }, { + .name = "Release Bootloader", + .size = 0x00020000, + .offset = 0x00060000, + }, { + .name = "Release FPGA", + .size = 0x00020000, + .offset = 0x00080000, + }, { + .name = "Kernel", + .size = 0x00160000, + .offset = 0x000a0000, + }, { + .name = "Filesystem", + .size = 0x00C00000, + .offset = 0x00200000, + }, { + .name = "Persistent Storage", + .size = 0x00200000, + .offset = 0x00E00000, + }, +}; + +static struct flash_platform_data omixp_flash_data[] = { + { + .map_name = "cfi_probe", + .parts = omixp_partitions, + .nr_parts = ARRAY_SIZE(omixp_partitions), + }, { + .map_name = "cfi_probe", + .parts = NULL, + .nr_parts = 0, + }, +}; + +static struct platform_device omixp_flash_device[] = { + { + .name = "IXP4XX-Flash", + .id = 0, + .dev = { + .platform_data = &omixp_flash_data[0], + }, + .resource = &omixp_flash_resources[0], + .num_resources = 1, + }, { + .name = "IXP4XX-Flash", + .id = 1, + .dev = { + .platform_data = &omixp_flash_data[1], + }, + .resource = &omixp_flash_resources[1], + .num_resources = 1, + }, +}; + +/* Swap UART's - These boards have the console on UART2. The following + * configuration is used: + * ttyS0 .. UART2 + * ttyS1 .. UART1 + * This way standard images can be used with the kernel that expect + * the console on ttyS0. + */ +static struct resource omixp_uart_resources[] = { + { + .start = IXP4XX_UART2_BASE_PHYS, + .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, + .flags = IORESOURCE_MEM, + }, { + .start = IXP4XX_UART1_BASE_PHYS, + .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct plat_serial8250_port omixp_uart_data[] = { + { + .mapbase = IXP4XX_UART2_BASE_PHYS, + .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, + .irq = IRQ_IXP4XX_UART2, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = IXP4XX_UART_XTAL, + }, { + .mapbase = IXP4XX_UART1_BASE_PHYS, + .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, + .irq = IRQ_IXP4XX_UART1, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, + .iotype = UPIO_MEM, + .regshift = 2, + .uartclk = IXP4XX_UART_XTAL, + }, { + /* list termination */ + } +}; + +static struct platform_device omixp_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev.platform_data = omixp_uart_data, + .num_resources = 2, + .resource = omixp_uart_resources, +}; + +static struct gpio_led mic256_led_pins[] = { + { + .name = "LED-A", + .gpio = 7, + }, +}; + +static struct gpio_led_platform_data mic256_led_data = { + .num_leds = ARRAY_SIZE(mic256_led_pins), + .leds = mic256_led_pins, +}; + +static struct platform_device mic256_leds = { + .name = "leds-gpio", + .id = -1, + .dev.platform_data = &mic256_led_data, +}; + +/* Built-in 10/100 Ethernet MAC interfaces */ +static struct eth_plat_info ixdp425_plat_eth[] = { + { + .phy = 0, + .rxq = 3, + .txreadyq = 20, + }, { + .phy = 1, + .rxq = 4, + .txreadyq = 21, + }, +}; + +static struct platform_device ixdp425_eth[] = { + { + .name = "ixp4xx_eth", + .id = IXP4XX_ETH_NPEB, + .dev.platform_data = ixdp425_plat_eth, + }, { + .name = "ixp4xx_eth", + .id = IXP4XX_ETH_NPEC, + .dev.platform_data = ixdp425_plat_eth + 1, + }, +}; + + +static struct platform_device *devixp_pldev[] __initdata = { + &omixp_uart, + &omixp_flash_device[0], + &ixdp425_eth[0], + &ixdp425_eth[1], +}; + +static struct platform_device *mic256_pldev[] __initdata = { + &omixp_uart, + &omixp_flash_device[0], + &mic256_leds, + &ixdp425_eth[0], + &ixdp425_eth[1], +}; + +static struct platform_device *miccpt_pldev[] __initdata = { + &omixp_uart, + &omixp_flash_device[0], + &omixp_flash_device[1], + &ixdp425_eth[0], + &ixdp425_eth[1], +}; + +static void __init omixp_init(void) +{ + ixp4xx_sys_init(); + + /* 16MiB Boot Flash */ + omixp_flash_resources[0].start = IXP4XX_EXP_BUS_BASE(0); + omixp_flash_resources[0].end = IXP4XX_EXP_BUS_END(0); + + /* 32 MiB Data Flash */ + omixp_flash_resources[1].start = IXP4XX_EXP_BUS_BASE(2); + omixp_flash_resources[1].end = IXP4XX_EXP_BUS_END(2); + + if (machine_is_devixp()) + platform_add_devices(devixp_pldev, ARRAY_SIZE(devixp_pldev)); + else if (machine_is_miccpt()) + platform_add_devices(miccpt_pldev, ARRAY_SIZE(miccpt_pldev)); + else if (machine_is_mic256()) + platform_add_devices(mic256_pldev, ARRAY_SIZE(mic256_pldev)); +} + +#ifdef CONFIG_MACH_DEVIXP +MACHINE_START(DEVIXP, "Omicron DEVIXP") + .atag_offset = 0x100, + .map_io = ixp4xx_map_io, + .init_early = ixp4xx_init_early, + .init_irq = ixp4xx_init_irq, + .init_time = ixp4xx_timer_init, + .init_machine = omixp_init, + .restart = ixp4xx_restart, +MACHINE_END +#endif + +#ifdef CONFIG_MACH_MICCPT +MACHINE_START(MICCPT, "Omicron MICCPT") + .atag_offset = 0x100, + .map_io = ixp4xx_map_io, + .init_early = ixp4xx_init_early, + .init_irq = ixp4xx_init_irq, + .init_time = ixp4xx_timer_init, + .init_machine = omixp_init, +#if defined(CONFIG_PCI) + .dma_zone_size = SZ_64M, +#endif + .restart = ixp4xx_restart, +MACHINE_END +#endif + +#ifdef CONFIG_MACH_MIC256 +MACHINE_START(MIC256, "Omicron MIC256") + .atag_offset = 0x100, + .map_io = ixp4xx_map_io, + .init_early = ixp4xx_init_early, + .init_irq = ixp4xx_init_irq, + .init_time = ixp4xx_timer_init, + .init_machine = omixp_init, + .restart = ixp4xx_restart, +MACHINE_END +#endif |