4e4fc05a2b
This patch adds support for Toradex' PXA27x based Colibri module. It's kept as simple as possible to only provide basic functionality. A default config is also included. Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
135 lines
3.0 KiB
C
135 lines
3.0 KiB
C
/*
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* linux/arch/arm/mach-pxa/colibri.c
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*
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* Support for Toradex PXA27x based Colibri module
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* Daniel Mack <daniel@caiaq.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/sysdev.h>
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#include <linux/interrupt.h>
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#include <linux/bitops.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <asm/mach-types.h>
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#include <asm/hardware.h>
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#include <asm/irq.h>
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#include <asm/sizes.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/mach/flash.h>
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#include <asm/arch/pxa-regs.h>
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#include <asm/arch/colibri.h>
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#include "generic.h"
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#include "devices.h"
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/*
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* Flash
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*/
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static struct mtd_partition colibri_partitions[] = {
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{
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.name = "Bootloader",
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.offset = 0x00000000,
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.size = 0x00040000,
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.mask_flags = MTD_WRITEABLE /* force read-only */
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}, {
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.name = "Kernel",
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.offset = 0x00040000,
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.size = 0x00400000,
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.mask_flags = 0
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}, {
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.name = "Rootfs",
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.offset = 0x00440000,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct physmap_flash_data colibri_flash_data[] = {
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{
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.width = 4, /* bankwidth in bytes */
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.parts = colibri_partitions,
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.nr_parts = ARRAY_SIZE(colibri_partitions)
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}
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};
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static struct resource flash_resource = {
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.start = PXA_CS0_PHYS,
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.end = PXA_CS0_PHYS + SZ_32M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device flash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = colibri_flash_data,
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},
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.resource = &flash_resource,
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.num_resources = 1,
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};
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/*
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* DM9000 Ethernet
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*/
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static struct resource dm9000_resources[] = {
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[0] = {
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.start = COLIBRI_ETH_PHYS,
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.end = COLIBRI_ETH_PHYS + 3,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = COLIBRI_ETH_PHYS + 4,
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.end = COLIBRI_ETH_PHYS + 4 + 500,
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.flags = IORESOURCE_MEM,
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},
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[2] = {
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.start = COLIBRI_ETH_IRQ,
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.end = COLIBRI_ETH_IRQ,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device dm9000_device = {
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.name = "dm9000",
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.id = -1,
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.num_resources = ARRAY_SIZE(dm9000_resources),
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.resource = dm9000_resources,
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};
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static struct platform_device *colibri_devices[] __initdata = {
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&flash_device,
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&dm9000_device,
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};
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static void __init colibri_init(void)
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{
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/* DM9000 LAN */
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pxa_gpio_mode(GPIO78_nCS_2_MD);
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pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
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set_irq_type(COLIBRI_ETH_IRQ, IRQT_FALLING);
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platform_add_devices(colibri_devices, ARRAY_SIZE(colibri_devices));
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}
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MACHINE_START(COLIBRI, "Toradex Colibri PXA27x")
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.boot_params = COLIBRI_SDRAM_BASE + 0x100,
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.init_machine = colibri_init,
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.map_io = pxa_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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MACHINE_END
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