mtd: OneNand support for Nomadik 8815 SoC (on NHK8815 board)
Signed-off-by: Alessandro Rubini <rubini@unipv.it> Acked-by: Andrea Gallo <andrea.gallo@stericsson.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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8b85e7cbcf
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@ -24,6 +24,7 @@
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/irq.h>
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#include <asm/mach/flash.h>
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#include <mach/setup.h>
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#include <mach/nand.h>
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#include <mach/fsmc.h>
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@ -112,6 +113,66 @@ static struct platform_device nhk8815_nand_device = {
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.num_resources = ARRAY_SIZE(nhk8815_nand_resources),
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};
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/* These are the partitions for the OneNand device, different from above */
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static struct mtd_partition nhk8815_onenand_partitions[] = {
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{
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.name = "X-Loader(OneNAND)",
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.offset = 0,
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.size = SZ_256K,
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}, {
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.name = "MemInit(OneNAND)",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_256K,
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}, {
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.name = "BootLoader(OneNAND)",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M-SZ_256K,
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}, {
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.name = "SysImage(OneNAND)",
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.offset = MTDPART_OFS_APPEND,
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.size = 4 * SZ_1M,
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}, {
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.name = "Root Filesystem(OneNAND)",
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.offset = MTDPART_OFS_APPEND,
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.size = 22 * SZ_1M,
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}, {
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.name = "User Filesystem(OneNAND)",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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}
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};
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static struct flash_platform_data nhk8815_onenand_data = {
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.parts = nhk8815_onenand_partitions,
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.nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
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};
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static struct resource nhk8815_onenand_resource[] = {
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{
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.start = 0x30000000,
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.end = 0x30000000 + SZ_128K - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device nhk8815_onenand_device = {
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.name = "onenand",
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.id = -1,
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.dev = {
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.platform_data = &nhk8815_onenand_data,
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},
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.resource = nhk8815_onenand_resource,
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.num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
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};
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static void __init nhk8815_onenand_init(void)
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{
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#ifdef CONFIG_ONENAND
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/* Set up SMCS0 for OneNand */
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writel(0x000030db, FSMC_BCR0);
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writel(0x02100551, FSMC_BTR0);
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#endif
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}
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#define __MEM_4K_RESOURCE(x) \
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.res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
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@ -173,6 +234,7 @@ device_initcall(nhk8815_eth_init);
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static struct platform_device *nhk8815_platform_devices[] __initdata = {
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&nhk8815_nand_device,
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&nhk8815_onenand_device,
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&nhk8815_eth_device,
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/* will add more devices */
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};
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@ -182,6 +244,7 @@ static void __init nhk8815_platform_init(void)
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int i;
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cpu8815_platform_init();
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nhk8815_onenand_init();
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platform_add_devices(nhk8815_platform_devices,
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ARRAY_SIZE(nhk8815_platform_devices));
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