From 63234717d170d39ee9cc873f29930b0fb142a114 Mon Sep 17 00:00:00 2001 From: Alessandro Rubini Date: Wed, 29 Jul 2009 18:51:56 +0200 Subject: mtd: nand: driver for Nomadik 8815 SoC (on NHK8815 board) Signed-off-by: Alessandro Rubini Acked-by: Andrea Gallo Acked-by: Russell King Signed-off-by: David Woodhouse --- arch/arm/mach-nomadik/board-nhk8815.c | 92 +++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) (limited to 'arch/arm/mach-nomadik/board-nhk8815.c') diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c index 79bdea943eb..59c1dbb686c 100644 --- a/arch/arm/mach-nomadik/board-nhk8815.c +++ b/arch/arm/mach-nomadik/board-nhk8815.c @@ -16,12 +16,103 @@ #include #include #include +#include +#include +#include +#include +#include #include #include #include #include +#include +#include #include "clock.h" +/* These adresses span 16MB, so use three individual pages */ +static struct resource nhk8815_nand_resources[] = { + { + .name = "nand_addr", + .start = NAND_IO_ADDR, + .end = NAND_IO_ADDR + 0xfff, + .flags = IORESOURCE_MEM, + }, { + .name = "nand_cmd", + .start = NAND_IO_CMD, + .end = NAND_IO_CMD + 0xfff, + .flags = IORESOURCE_MEM, + }, { + .name = "nand_data", + .start = NAND_IO_DATA, + .end = NAND_IO_DATA + 0xfff, + .flags = IORESOURCE_MEM, + } +}; + +static int nhk8815_nand_init(void) +{ + /* FSMC setup for nand chip select (8-bit nand in 8815NHK) */ + writel(0x0000000E, FSMC_PCR(0)); + writel(0x000D0A00, FSMC_PMEM(0)); + writel(0x00100A00, FSMC_PATT(0)); + + /* enable access to the chip select area */ + writel(readl(FSMC_PCR(0)) | 0x04, FSMC_PCR(0)); + + return 0; +} + +/* + * These partitions are the same as those used in the 2.6.20 release + * shipped by the vendor; the first two partitions are mandated + * by the boot ROM, and the bootloader area is somehow oversized... + */ +static struct mtd_partition nhk8815_partitions[] = { + { + .name = "X-Loader(NAND)", + .offset = 0, + .size = SZ_256K, + }, { + .name = "MemInit(NAND)", + .offset = MTDPART_OFS_APPEND, + .size = SZ_256K, + }, { + .name = "BootLoader(NAND)", + .offset = MTDPART_OFS_APPEND, + .size = SZ_2M, + }, { + .name = "Kernel zImage(NAND)", + .offset = MTDPART_OFS_APPEND, + .size = 3 * SZ_1M, + }, { + .name = "Root Filesystem(NAND)", + .offset = MTDPART_OFS_APPEND, + .size = 22 * SZ_1M, + }, { + .name = "User Filesystem(NAND)", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct nomadik_nand_platform_data nhk8815_nand_data = { + .parts = nhk8815_partitions, + .nparts = ARRAY_SIZE(nhk8815_partitions), + .options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING \ + | NAND_NO_READRDY | NAND_NO_AUTOINCR, + .init = nhk8815_nand_init, +}; + +static struct platform_device nhk8815_nand_device = { + .name = "nomadik_nand", + .dev = { + .platform_data = &nhk8815_nand_data, + }, + .resource = nhk8815_nand_resources, + .num_resources = ARRAY_SIZE(nhk8815_nand_resources), +}; + + #define __MEM_4K_RESOURCE(x) \ .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM} @@ -81,6 +172,7 @@ static int __init nhk8815_eth_init(void) device_initcall(nhk8815_eth_init); static struct platform_device *nhk8815_platform_devices[] __initdata = { + &nhk8815_nand_device, &nhk8815_eth_device, /* will add more devices */ }; -- cgit v1.2.3 From 8b85e7cbcfedfcdc2fa1bcc8945f23fc6ad3d07f Mon Sep 17 00:00:00 2001 From: Alessandro Rubini Date: Fri, 24 Jul 2009 13:30:04 +0200 Subject: mtd: OneNand support for Nomadik 8815 SoC (on NHK8815 board) Signed-off-by: Alessandro Rubini Acked-by: Andrea Gallo Signed-off-by: David Woodhouse --- arch/arm/mach-nomadik/board-nhk8815.c | 63 +++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) (limited to 'arch/arm/mach-nomadik/board-nhk8815.c') diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c index 59c1dbb686c..6bfd537d5af 100644 --- a/arch/arm/mach-nomadik/board-nhk8815.c +++ b/arch/arm/mach-nomadik/board-nhk8815.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include #include @@ -112,6 +113,66 @@ static struct platform_device nhk8815_nand_device = { .num_resources = ARRAY_SIZE(nhk8815_nand_resources), }; +/* These are the partitions for the OneNand device, different from above */ +static struct mtd_partition nhk8815_onenand_partitions[] = { + { + .name = "X-Loader(OneNAND)", + .offset = 0, + .size = SZ_256K, + }, { + .name = "MemInit(OneNAND)", + .offset = MTDPART_OFS_APPEND, + .size = SZ_256K, + }, { + .name = "BootLoader(OneNAND)", + .offset = MTDPART_OFS_APPEND, + .size = SZ_2M-SZ_256K, + }, { + .name = "SysImage(OneNAND)", + .offset = MTDPART_OFS_APPEND, + .size = 4 * SZ_1M, + }, { + .name = "Root Filesystem(OneNAND)", + .offset = MTDPART_OFS_APPEND, + .size = 22 * SZ_1M, + }, { + .name = "User Filesystem(OneNAND)", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct flash_platform_data nhk8815_onenand_data = { + .parts = nhk8815_onenand_partitions, + .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions), +}; + +static struct resource nhk8815_onenand_resource[] = { + { + .start = 0x30000000, + .end = 0x30000000 + SZ_128K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device nhk8815_onenand_device = { + .name = "onenand", + .id = -1, + .dev = { + .platform_data = &nhk8815_onenand_data, + }, + .resource = nhk8815_onenand_resource, + .num_resources = ARRAY_SIZE(nhk8815_onenand_resource), +}; + +static void __init nhk8815_onenand_init(void) +{ +#ifdef CONFIG_ONENAND + /* Set up SMCS0 for OneNand */ + writel(0x000030db, FSMC_BCR0); + writel(0x02100551, FSMC_BTR0); +#endif +} #define __MEM_4K_RESOURCE(x) \ .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM} @@ -173,6 +234,7 @@ device_initcall(nhk8815_eth_init); static struct platform_device *nhk8815_platform_devices[] __initdata = { &nhk8815_nand_device, + &nhk8815_onenand_device, &nhk8815_eth_device, /* will add more devices */ }; @@ -182,6 +244,7 @@ static void __init nhk8815_platform_init(void) int i; cpu8815_platform_init(); + nhk8815_onenand_init(); platform_add_devices(nhk8815_platform_devices, ARRAY_SIZE(nhk8815_platform_devices)); -- cgit v1.2.3