forked from Minki/linux
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>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD
Paul Mundt
parent
47c8a08bbe
commit
c2e0090c66
@ -10,6 +10,9 @@
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/ata_platform.h>
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#include <linux/sm501.h>
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#include <linux/sm501-regs.h>
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@ -181,6 +184,50 @@ static struct platform_device sm501_device = {
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.resource = sm501_resources,
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};
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static struct mtd_partition r2d_partitions[] = {
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{
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.name = "U-Boot",
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.offset = 0x00000000,
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.size = 0x00040000,
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.mask_flags = MTD_WRITEABLE,
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}, {
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.name = "Environment",
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.offset = MTDPART_OFS_NXTBLK,
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.size = 0x00040000,
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.mask_flags = MTD_WRITEABLE,
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}, {
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.name = "Kernel",
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.offset = MTDPART_OFS_NXTBLK,
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.size = 0x001c0000,
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}, {
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.name = "Flash_FS",
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.offset = MTDPART_OFS_NXTBLK,
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.size = MTDPART_SIZ_FULL,
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}
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};
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static struct physmap_flash_data flash_data = {
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.width = 2,
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.nr_parts = ARRAY_SIZE(r2d_partitions),
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.parts = r2d_partitions,
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};
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static struct resource flash_resource = {
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.start = 0x00000000,
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.end = 0x02000000,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device flash_device = {
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.name = "physmap-flash",
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.id = -1,
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.resource = &flash_resource,
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.num_resources = 1,
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.dev = {
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.platform_data = &flash_data,
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},
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};
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static struct platform_device *rts7751r2d_devices[] __initdata = {
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&sm501_device,
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&heartbeat_device,
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@ -203,6 +250,9 @@ static int __init rts7751r2d_devices_setup(void)
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if (register_trapped_io(&cf_trapped_io) == 0)
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platform_device_register(&cf_ide_device);
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if (mach_is_r2d_plus())
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platform_device_register(&flash_device);
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spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus));
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return platform_add_devices(rts7751r2d_devices,
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@ -424,7 +424,92 @@ CONFIG_FIRMWARE_IN_KERNEL=y
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CONFIG_EXTRA_FIRMWARE=""
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# CONFIG_SYS_HYPERVISOR is not set
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# CONFIG_CONNECTOR is not set
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# CONFIG_MTD is not set
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CONFIG_MTD=y
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# CONFIG_MTD_DEBUG is not set
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CONFIG_MTD_CONCAT=y
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CONFIG_MTD_PARTITIONS=y
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# CONFIG_MTD_TESTS is not set
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# CONFIG_MTD_REDBOOT_PARTS is not set
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CONFIG_MTD_CMDLINE_PARTS=y
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# CONFIG_MTD_AR7_PARTS is not set
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#
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# User Modules And Translation Layers
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#
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CONFIG_MTD_CHAR=y
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# CONFIG_MTD_BLKDEVS is not set
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# CONFIG_MTD_BLOCK is not set
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# CONFIG_MTD_BLOCK_RO is not set
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# CONFIG_FTL is not set
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# CONFIG_NFTL is not set
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# CONFIG_INFTL is not set
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# CONFIG_RFD_FTL is not set
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# CONFIG_SSFDC is not set
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# CONFIG_MTD_OOPS is not set
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#
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# RAM/ROM/Flash chip drivers
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#
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CONFIG_MTD_CFI=y
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# CONFIG_MTD_JEDECPROBE is not set
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CONFIG_MTD_GEN_PROBE=y
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# CONFIG_MTD_CFI_ADV_OPTIONS is not set
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CONFIG_MTD_MAP_BANK_WIDTH_1=y
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CONFIG_MTD_MAP_BANK_WIDTH_2=y
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CONFIG_MTD_MAP_BANK_WIDTH_4=y
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# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
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# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
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# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
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CONFIG_MTD_CFI_I1=y
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CONFIG_MTD_CFI_I2=y
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# CONFIG_MTD_CFI_I4 is not set
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# CONFIG_MTD_CFI_I8 is not set
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# CONFIG_MTD_CFI_INTELEXT is not set
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CONFIG_MTD_CFI_AMDSTD=y
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# CONFIG_MTD_CFI_STAA is not set
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CONFIG_MTD_CFI_UTIL=y
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# CONFIG_MTD_RAM is not set
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# CONFIG_MTD_ROM is not set
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# CONFIG_MTD_ABSENT is not set
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#
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# Mapping drivers for chip access
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#
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# CONFIG_MTD_COMPLEX_MAPPINGS is not set
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CONFIG_MTD_PHYSMAP=y
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# CONFIG_MTD_PHYSMAP_COMPAT is not set
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# CONFIG_MTD_INTEL_VR_NOR is not set
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# CONFIG_MTD_PLATRAM is not set
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#
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# Self-contained MTD device drivers
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#
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# CONFIG_MTD_PMC551 is not set
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# CONFIG_MTD_DATAFLASH is not set
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# CONFIG_MTD_M25P80 is not set
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# CONFIG_MTD_SLRAM is not set
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# CONFIG_MTD_PHRAM is not set
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# CONFIG_MTD_MTDRAM is not set
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# CONFIG_MTD_BLOCK2MTD is not set
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#
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# Disk-On-Chip Device Drivers
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#
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# CONFIG_MTD_DOC2000 is not set
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# CONFIG_MTD_DOC2001 is not set
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# CONFIG_MTD_DOC2001PLUS is not set
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# CONFIG_MTD_NAND is not set
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# CONFIG_MTD_ONENAND is not set
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#
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# LPDDR flash memory drivers
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#
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# CONFIG_MTD_LPDDR is not set
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#
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# UBI - Unsorted block images
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#
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# CONFIG_MTD_UBI is not set
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# CONFIG_PARPORT is not set
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CONFIG_BLK_DEV=y
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# CONFIG_BLK_CPQ_CISS_DA is not set
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