- 根目录:
- arch
- arm
- mach-ixp4xx
- omixp-setup.c
/*
* 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