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Diffstat (limited to 'arch/arm/mach-pxa/colibri-pxa270.c')
-rw-r--r--arch/arm/mach-pxa/colibri-pxa270.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c
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+/*
+ * linux/arch/arm/mach-pxa/colibri-pxa270.c
+ *
+ * Support for Toradex PXA270 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 <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <mach/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 <mach/pxa27x.h>
+#include <mach/colibri.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/*
+ * GPIO configuration
+ */
+static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
+ GPIO78_nCS_2, /* Ethernet CS */
+ GPIO114_GPIO, /* Ethernet IRQ */
+};
+
+/*
+ * NOR 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 colibri_pxa270_flash_resource = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device colibri_pxa270_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = colibri_flash_data,
+ },
+ .resource = &colibri_pxa270_flash_resource,
+ .num_resources = 1,
+};
+
+/*
+ * DM9000 Ethernet
+ */
+#if defined(CONFIG_DM9000)
+static struct resource dm9000_resources[] = {
+ [0] = {
+ .start = COLIBRI_PXA270_ETH_PHYS,
+ .end = COLIBRI_PXA270_ETH_PHYS + 3,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = COLIBRI_PXA270_ETH_PHYS + 4,
+ .end = COLIBRI_PXA270_ETH_PHYS + 4 + 500,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = COLIBRI_PXA270_ETH_IRQ,
+ .end = COLIBRI_PXA270_ETH_IRQ,
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
+ },
+};
+
+static struct platform_device dm9000_device = {
+ .name = "dm9000",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(dm9000_resources),
+ .resource = dm9000_resources,
+};
+#endif /* CONFIG_DM9000 */
+
+static struct platform_device *colibri_pxa270_devices[] __initdata = {
+ &colibri_pxa270_flash_device,
+#if defined(CONFIG_DM9000)
+ &dm9000_device,
+#endif
+};
+
+static void __init colibri_pxa270_init(void)
+{
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));
+ platform_add_devices(ARRAY_AND_SIZE(colibri_pxa270_devices));
+}
+
+MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
+ .phys_io = 0x40000000,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .boot_params = COLIBRI_SDRAM_BASE + 0x100,
+ .init_machine = colibri_pxa270_init,
+ .map_io = pxa_map_io,
+ .init_irq = pxa27x_init_irq,
+ .timer = &pxa_timer,
+MACHINE_END
+