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| author |   Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2009-04-27 17:54:41 +0900 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2009-04-27 17:54:41 +0900 |
| commit | c2e0090c668fc99f5be65fd9907da781cb6a2ef5 (patch) | |
| tree | 3266373125f249948ba9aad296e8808ec6a6c36e /arch/sh/boards | |
| parent | sh: rtc-generic support. (diff) | |
| download | linux-dev-c2e0090c668fc99f5be65fd9907da781cb6a2ef5.tar.xz linux-dev-c2e0090c668fc99f5be65fd9907da781cb6a2ef5.zip | |
sh: mach-r2d: add physmap-flash support for R2D+ boards.
The RTS7751R2D_1 boards only support 1MB of socket-mounted MBM29F040
flash, which we just leave alone as it's not terribly interesting.
This adds support for the s29gl256p on the r2d+ boards that makes a bit
more sense to expose to the user.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards')
| -rw-r--r-- | arch/sh/boards/mach-r2d/setup.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-r2d/setup.c b/arch/sh/boards/mach-r2d/setup.c index c585be00956e..a625ecb93e47 100644 --- a/arch/sh/boards/mach-r2d/setup.c +++ b/arch/sh/boards/mach-r2d/setup.c @@ -10,6 +10,9 @@ */ #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> #include <linux/ata_platform.h> #include <linux/sm501.h> #include <linux/sm501-regs.h> @@ -181,6 +184,50 @@ static struct platform_device sm501_device = { .resource = sm501_resources, }; +static struct mtd_partition r2d_partitions[] = { + { + .name = "U-Boot", + .offset = 0x00000000, + .size = 0x00040000, + .mask_flags = MTD_WRITEABLE, + }, { + .name = "Environment", + .offset = MTDPART_OFS_NXTBLK, + .size = 0x00040000, + .mask_flags = MTD_WRITEABLE, + }, { + .name = "Kernel", + .offset = MTDPART_OFS_NXTBLK, + .size = 0x001c0000, + }, { + .name = "Flash_FS", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct physmap_flash_data flash_data = { + .width = 2, + .nr_parts = ARRAY_SIZE(r2d_partitions), + .parts = r2d_partitions, +}; + +static struct resource flash_resource = { + .start = 0x00000000, + .end = 0x02000000, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device flash_device = { + .name = "physmap-flash", + .id = -1, + .resource = &flash_resource, + .num_resources = 1, + .dev = { + .platform_data = &flash_data, + }, +}; + static struct platform_device *rts7751r2d_devices[] __initdata = { &sm501_device, &heartbeat_device, @@ -203,6 +250,9 @@ static int __init rts7751r2d_devices_setup(void) if (register_trapped_io(&cf_trapped_io) == 0) platform_device_register(&cf_ide_device); + if (mach_is_r2d_plus()) + platform_device_register(&flash_device); + spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus)); return platform_add_devices(rts7751r2d_devices, |