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m68knommu: add basic support for the ColdFire based FireBee board

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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>
This commit is contained in:
Greg Ungerer 2011-03-06 23:20:19 +10:00
parent d4852a34e4
commit 7badfabb3f
3 changed files with 93 additions and 0 deletions
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6
arch/m68knommu/Kconfig
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@ -519,6 +519,12 @@ config M5407C3
help help
Support for the Motorola M5407C3 board. 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 config CLEOPATRA
bool "Feith CLEOPATRA board support" bool "Feith CLEOPATRA board support"
depends on (M5307 || M5407) depends on (M5307 || M5407)

1
arch/m68knommu/platform/54xx/Makefile
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@ -15,4 +15,5 @@
asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1
obj-y := config.o obj-y := config.o
obj-$(CONFIG_FIREBEE) += firebee.o

86
arch/m68knommu/platform/54xx/firebee.c Normal file
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@ -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);
/***************************************************************************/