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Commit 2de73e71 authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
Browse files

Blackfin arch: use physmap in board resources rather than legacy config method 



Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent a4f0b32c

arch/blackfin/configs/CM-BF548_defconfig

+1 −1
Original line number Diff line number Diff line
@@ -543,7 +543,7 @@ CONFIG_MTD_RAM=y 
CONFIG_MTD_COMPLEX_MAPPINGS=y

CONFIG_MTD_PHYSMAP=y

CONFIG_MTD_PHYSMAP_START=0x20000000

CONFIG_MTD_PHYSMAP_LEN=0x800000

CONFIG_MTD_PHYSMAP_LEN=0

CONFIG_MTD_PHYSMAP_BANKWIDTH=2

# CONFIG_MTD_UCLINUX is not set

# CONFIG_MTD_PLATRAM is not set

arch/blackfin/mach-bf548/boards/cm_bf548.c

+45 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ 
#include <linux/platform_device.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/partitions.h>

#include <linux/mtd/physmap.h>

#include <linux/spi/spi.h>

#include <linux/spi/flash.h>

#include <linux/irq.h>
@@ -378,6 +379,46 @@ static struct platform_device bf54x_sdh_device = { 
};

#endif



#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)

static struct mtd_partition para_partitions[] = {

	{

		.name       = "bootloader(nor)",

		.size       = 0x40000,

		.offset     = 0,

	}, {

		.name       = "linux kernel(nor)",

		.size       = 0x400000,

		.offset     = MTDPART_OFS_APPEND,

	}, {

		.name       = "file system(nor)",

		.size       = MTDPART_SIZ_FULL,

		.offset     = MTDPART_OFS_APPEND,

	}

};



static struct physmap_flash_data para_flash_data = {

	.width      = 2,

	.parts      = para_partitions,

	.nr_parts   = ARRAY_SIZE(para_partitions),

};



static struct resource para_flash_resource = {

	.start = 0x20000000,

	.end   = 0x207fffff,

	.flags = IORESOURCE_MEM,

};



static struct platform_device para_flash_device = {

	.name          = "physmap-flash",

	.id            = 0,

	.dev = {

		.platform_data = &para_flash_data,

	},

	.num_resources = 1,

	.resource      = &para_flash_resource,

};

#endif



#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)

/* all SPI peripherals info goes here */

#if defined(CONFIG_MTD_M25P80) \
@@ -688,6 +729,10 @@ static struct platform_device *cm_bf548_devices[] __initdata = { 
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)

	&bfin_device_gpiokeys,

#endif



#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)

	&para_flash_device,

#endif

};



static int __init cm_bf548_init(void)