diff options
Diffstat (limited to 'arch/arm/mach-nomadik/board-nhk8815.c')
| -rw-r--r-- | arch/arm/mach-nomadik/board-nhk8815.c | 83 |
1 files changed, 43 insertions, 40 deletions
diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c index bfa1eab91f41..9f19069248da 100644 --- a/arch/arm/mach-nomadik/board-nhk8815.c +++ b/arch/arm/mach-nomadik/board-nhk8815.c @@ -19,25 +19,21 @@ #include <linux/gpio.h> #include <linux/mtd/mtd.h> #include <linux/mtd/nand.h> +#include <linux/mtd/fsmc.h> #include <linux/mtd/onenand.h> #include <linux/mtd/partitions.h> #include <linux/i2c.h> #include <linux/io.h> #include <linux/pinctrl/machine.h> +#include <linux/platform_data/pinctrl-nomadik.h> +#include <linux/platform_data/clocksource-nomadik-mtu.h> #include <asm/hardware/vic.h> #include <asm/sizes.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/irq.h> #include <asm/mach/flash.h> #include <asm/mach/time.h> - -#include <plat/gpio-nomadik.h> -#include <plat/mtu.h> -#include <plat/pincfg.h> - -#include <linux/platform_data/mtd-nomadik-nand.h> -#include <mach/fsmc.h> +#include <mach/irqs.h> #include "cpu-8815.h" @@ -45,39 +41,34 @@ #define SRC_CR_INIT_MASK 0x00007fff #define SRC_CR_INIT_VAL 0x2aaa8000 +#define ALE_OFF 0x1000000 +#define CLE_OFF 0x800000 + /* These addresses span 16MB, so use three individual pages */ static struct resource nhk8815_nand_resources[] = { { + .name = "nand_data", + .start = 0x40000000, + .end = 0x40000000 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, { .name = "nand_addr", - .start = NAND_IO_ADDR, - .end = NAND_IO_ADDR + 0xfff, + .start = 0x40000000 + ALE_OFF, + .end = 0x40000000 +ALE_OFF + SZ_16K - 1, .flags = IORESOURCE_MEM, }, { .name = "nand_cmd", - .start = NAND_IO_CMD, - .end = NAND_IO_CMD + 0xfff, + .start = 0x40000000 + CLE_OFF, + .end = 0x40000000 + CLE_OFF + SZ_16K - 1, .flags = IORESOURCE_MEM, }, { - .name = "nand_data", - .start = NAND_IO_DATA, - .end = NAND_IO_DATA + 0xfff, + .name = "fsmc_regs", + .start = NOMADIK_FSMC_BASE, + .end = NOMADIK_FSMC_BASE + SZ_4K - 1, .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 @@ -111,20 +102,28 @@ static struct mtd_partition nhk8815_partitions[] = { } }; -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, - .init = nhk8815_nand_init, +static struct fsmc_nand_timings nhk8815_nand_timings = { + .thiz = 0, + .thold = 0x10, + .twait = 0x0A, + .tset = 0, +}; + +static struct fsmc_nand_platform_data nhk8815_nand_platform_data = { + .nand_timings = &nhk8815_nand_timings, + .partitions = nhk8815_partitions, + .nr_partitions = ARRAY_SIZE(nhk8815_partitions), + .width = FSMC_NAND_BW8, }; static struct platform_device nhk8815_nand_device = { - .name = "nomadik_nand", - .dev = { - .platform_data = &nhk8815_nand_data, + .name = "fsmc-nand", + .id = -1, + .resource = nhk8815_nand_resources, + .num_resources = ARRAY_SIZE(nhk8815_nand_resources), + .dev = { + .platform_data = &nhk8815_nand_platform_data, }, - .resource = nhk8815_nand_resources, - .num_resources = ARRAY_SIZE(nhk8815_nand_resources), }; /* These are the partitions for the OneNand device, different from above */ @@ -179,6 +178,10 @@ static struct platform_device nhk8815_onenand_device = { .num_resources = ARRAY_SIZE(nhk8815_onenand_resource), }; +/* bus control reg. and bus timing reg. for CS0..CS3 */ +#define FSMC_BCR(x) (NOMADIK_FSMC_VA + (x << 3)) +#define FSMC_BTR(x) (NOMADIK_FSMC_VA + (x << 3) + 0x04) + static void __init nhk8815_onenand_init(void) { #ifdef CONFIG_MTD_ONENAND @@ -261,7 +264,7 @@ static void __init nomadik_timer_init(void) src_cr |= SRC_CR_INIT_VAL; writel(src_cr, io_p2v(NOMADIK_SRC_BASE)); - nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE)); + nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE), IRQ_MTU0); } static struct sys_timer nomadik_timer = { |