m68knommu: add basic support for the ColdFire based FireBee board

The FireBee is a ColdFire 5475 based board. Add a configuration option
to support it, and the basic platform flash layout code.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>

2 files changed, 87 insertions, 0 deletions

diff --git a/arch/m68knommu/platform/54xx/Makefile b/arch/m68knommu/platform/54xx/Makefile
index e6035e7a2d3f..6cfd090ec3cd 100644
--- a/arch/m68knommu/platform/54xx/Makefile
+++ b/arch/m68knommu/platform/54xx/Makefile
@@ -15,4 +15,5 @@
 asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
 
 obj-y := config.o
+obj-$(CONFIG_FIREBEE) += firebee.o
 
diff --git a/arch/m68knommu/platform/54xx/firebee.c b/arch/m68knommu/platform/54xx/firebee.c
new file mode 100644
index 000000000000..46d50534f981
--- /dev/null
+++ b/arch/m68knommu/platform/54xx/firebee.c
@@ -0,0 +1,86 @@
+/***************************************************************************/
+
+/*
+ *      firebee.c -- extra startup code support for the FireBee boards
+ *
+ *      Copyright (C) 2011, Greg Ungerer (gerg@snapgear.com)
+ */
+
+/***************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+
+/***************************************************************************/
+
+/*
+ *      8MB of NOR flash fitted to the FireBee board.
+ */
+#define FLASH_PHYS_ADDR         0xe0000000      /* Physical address of flash */
+#define FLASH_PHYS_SIZE         0x00800000      /* Size of flash */
+
+#define PART_BOOT_START         0x00000000      /* Start at bottom of flash */
+#define PART_BOOT_SIZE          0x00040000      /* 256k in size */
+#define PART_IMAGE_START        0x00040000      /* Start after boot loader */
+#define PART_IMAGE_SIZE         0x006c0000      /* Most of flash */
+#define PART_FPGA_START         0x00700000      /* Start at offset 7MB */
+#define PART_FPGA_SIZE          0x00100000      /* 1MB in size */
+
+static struct mtd_partition firebee_flash_parts[] = {
+        {
+                .name   = "dBUG",
+                .offset = PART_BOOT_START,
+                .size   = PART_BOOT_SIZE,
+        },
+        {
+                .name   = "FPGA",
+                .offset = PART_FPGA_START,
+                .size   = PART_FPGA_SIZE,
+        },
+        {
+                .name   = "image",
+                .offset = PART_IMAGE_START,
+                .size   = PART_IMAGE_SIZE,
+        },
+};
+
+static struct physmap_flash_data firebee_flash_data = {
+        .width          = 2,
+        .nr_parts       = ARRAY_SIZE(firebee_flash_parts),
+        .parts          = firebee_flash_parts,
+};
+
+static struct resource firebee_flash_resource = {
+        .start          = FLASH_PHYS_ADDR,
+        .end            = FLASH_PHYS_ADDR + FLASH_PHYS_SIZE,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device firebee_flash = {
+        .name           = "physmap-flash",
+        .id             = 0,
+        .dev            = {
+                .platform_data = &firebee_flash_data,
+        },
+        .num_resources  = 1,
+        .resource       = &firebee_flash_resource,
+};
+
+/***************************************************************************/
+
+static int __init init_firebee(void)
+{
+        platform_device_register(&firebee_flash);
+        return 0;
+}
+
+arch_initcall(init_firebee);
+
+/***************************************************************************/