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>

diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig
index b597ce0..2e6fe63 100644 (file)
--- a/arch/m68knommu/Kconfig
+++ b/arch/m68knommu/Kconfig
@@ -519,6 +519,12 @@ config M5407C3
        help
          Support for the Motorola M5407C3 board.
 
+config FIREBEE
+       bool "FireBee board support"
+       depends on M547x
+       help
+         Support for the FireBee ColdFire 5475 based board.
+
 config CLEOPATRA
        bool "Feith CLEOPATRA board support"
        depends on (M5307 || M5407)

diff --git a/arch/m68knommu/platform/54xx/Makefile b/arch/m68knommu/platform/54xx/Makefile
index e6035e7..6cfd090 100644 (file)
--- 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 (file)
index 0000000..46d5053
--- /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);
+
+/***************************************************************************/