Commit 4e4fc05a authored by Daniel Mack's avatar Daniel Mack Committed by Russell King

[ARM] 4762/1: Basic support for Toradex Colibri module

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: default avatarDaniel Mack <daniel@caiaq.de>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 2687bd38
This diff is collapsed.
......@@ -103,6 +103,10 @@ config MACH_EM_X270
bool "CompuLab EM-x270 platform"
select PXA27x
config MACH_COLIBRI
bool "Toradex Colibri PX27x"
select PXA27x
config MACH_ZYLONITE
bool "PXA3xx Development Platform"
select PXA3xx
......
......@@ -16,6 +16,7 @@ obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
obj-$(CONFIG_MACH_TRIZEPS4) += trizeps4.o
obj-$(CONFIG_MACH_COLIBRI) += colibri.o
obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o corgi_pm.o
obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o spitz_pm.o
obj-$(CONFIG_MACH_AKITA) += akita-ioexp.o
......
/*
* linux/arch/arm/mach-pxa/colibri.c
*
* Support for Toradex PXA27x based Colibri module
* Daniel Mack <daniel@caiaq.de>
*
* 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/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/interrupt.h>
#include <linux/bitops.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/sizes.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/colibri.h>
#include "generic.h"
#include "devices.h"
/*
* Flash
*/
static struct mtd_partition colibri_partitions[] = {
{
.name = "Bootloader",
.offset = 0x00000000,
.size = 0x00040000,
.mask_flags = MTD_WRITEABLE /* force read-only */
}, {
.name = "Kernel",
.offset = 0x00040000,
.size = 0x00400000,
.mask_flags = 0
}, {
.name = "Rootfs",
.offset = 0x00440000,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
}
};
static struct physmap_flash_data colibri_flash_data[] = {
{
.width = 4, /* bankwidth in bytes */
.parts = colibri_partitions,
.nr_parts = ARRAY_SIZE(colibri_partitions)
}
};
static struct resource flash_resource = {
.start = PXA_CS0_PHYS,
.end = PXA_CS0_PHYS + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device flash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = colibri_flash_data,
},
.resource = &flash_resource,
.num_resources = 1,
};
/*
* DM9000 Ethernet
*/
static struct resource dm9000_resources[] = {
[0] = {
.start = COLIBRI_ETH_PHYS,
.end = COLIBRI_ETH_PHYS + 3,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = COLIBRI_ETH_PHYS + 4,
.end = COLIBRI_ETH_PHYS + 4 + 500,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = COLIBRI_ETH_IRQ,
.end = COLIBRI_ETH_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dm9000_device = {
.name = "dm9000",
.id = -1,
.num_resources = ARRAY_SIZE(dm9000_resources),
.resource = dm9000_resources,
};
static struct platform_device *colibri_devices[] __initdata = {
&flash_device,
&dm9000_device,
};
static void __init colibri_init(void)
{
/* DM9000 LAN */
pxa_gpio_mode(GPIO78_nCS_2_MD);
pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);
set_irq_type(COLIBRI_ETH_IRQ, IRQT_FALLING);
platform_add_devices(colibri_devices, ARRAY_SIZE(colibri_devices));
}
MACHINE_START(COLIBRI, "Toradex Colibri PXA27x")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.boot_params = COLIBRI_SDRAM_BASE + 0x100,
.init_machine = colibri_init,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
MACHINE_END
......@@ -66,6 +66,7 @@
#include <linux/dm9000.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <asm/delay.h>
#include <asm/irq.h>
......@@ -113,7 +114,7 @@
#define writesl outsl
#define DM9000_IRQ_FLAGS (IRQF_SHARED | IRQF_TRIGGER_HIGH)
#else
#define DM9000_IRQ_FLAGS IRQF_SHARED
#define DM9000_IRQ_FLAGS (IRQF_SHARED | IRQT_RISING)
#endif
/*
......
#ifndef _COLIBRI_H_
#define _COLIBRI_H_
/* physical memory regions */
#define COLIBRI_FLASH_PHYS (PXA_CS0_PHYS) /* Flash region */
#define COLIBRI_ETH_PHYS (PXA_CS2_PHYS) /* Ethernet DM9000 region */
#define COLIBRI_SDRAM_BASE 0xa0000000 /* SDRAM region */
/* virtual memory regions */
#define COLIBRI_DISK_VIRT 0xF0000000 /* Disk On Chip region */
/* size of flash */
#define COLIBRI_FLASH_SIZE 0x02000000 /* Flash size 32 MB */
/* Ethernet Controller Davicom DM9000 */
#define GPIO_DM9000 114
#define COLIBRI_ETH_IRQ IRQ_GPIO(GPIO_DM9000)
#endif /* _COLIBRI_H_ */
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