[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: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 134 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/colibri.c b/arch/arm/mach-pxa/colibri.c
new file mode 100644
index 000000000000..6db54e31c397
--- /dev/null
+++ b/arch/arm/mach-pxa/colibri.c
@@ -0,0 +1,134 @@
+/*
+ *  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