Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
[sfrench/cifs-2.6.git] / arch / m68knommu / platform / 54xx / firebee.c
diff --git a/arch/m68knommu/platform/54xx/firebee.c b/arch/m68knommu/platform/54xx/firebee.c
new file mode 100644 (file)
index 0000000..46d5053
--- /dev/null
@@ -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);
+
+/***************************************************************************/