OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

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

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Mike Frysinger 2008-11-18 17:48:22 +08:00 committed by Bryan Wu
parent a4f0b32c33
commit 2de73e71c2
2 changed files with 46 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/blackfin/configs/CM-BF548_defconfig
View File

@ -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

45
arch/blackfin/mach-bf548/boards/cm_bf548.c
View File

@ -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)