diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/mtd/nand/pxa3xx_nand.c | 172 |
2 files changed, 16 insertions, 163 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 8b4b67c8a39..a6f22f5bbef 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -400,13 +400,6 @@ config MTD_NAND_PXA3xx This enables the driver for the NAND flash device found on PXA3xx processors -config MTD_NAND_PXA3xx_BUILTIN - bool "Use builtin definitions for some NAND chips (deprecated)" - depends on MTD_NAND_PXA3xx - help - This enables builtin definitions for some NAND chips. This - is deprecated in favor of platform specific data. - config MTD_NAND_CM_X270 tristate "Support for NAND Flash on CM-X270 modules" depends on MACH_ARMCORE diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 4d01cda6884..4e40de45f4b 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -176,21 +176,7 @@ MODULE_PARM_DESC(use_dma, "enable DMA for data transfering to/from NAND HW"); */ static struct pxa3xx_nand_timing default_timing; static struct pxa3xx_nand_flash default_flash; - -static struct pxa3xx_nand_cmdset smallpage_cmdset = { - .read1 = 0x0000, - .read2 = 0x0050, - .program = 0x1080, - .read_status = 0x0070, - .read_id = 0x0090, - .erase = 0xD060, - .reset = 0x00FF, - .lock = 0x002A, - .unlock = 0x2423, - .lock_status = 0x007A, -}; - -static struct pxa3xx_nand_cmdset largepage_cmdset = { +static struct pxa3xx_nand_cmdset default_cmdset = { .read1 = 0x3000, .read2 = 0x0050, .program = 0x1080, @@ -203,143 +189,23 @@ static struct pxa3xx_nand_cmdset largepage_cmdset = { .lock_status = 0x007A, }; -#ifdef CONFIG_MTD_NAND_PXA3xx_BUILTIN -static struct pxa3xx_nand_timing samsung512MbX16_timing = { - .tCH = 10, - .tCS = 0, - .tWH = 20, - .tWP = 40, - .tRH = 30, - .tRP = 40, - .tR = 11123, - .tWHR = 110, - .tAR = 10, -}; - -static struct pxa3xx_nand_flash samsung512MbX16 = { - .timing = &samsung512MbX16_timing, - .cmdset = &smallpage_cmdset, - .page_per_block = 32, - .page_size = 512, - .flash_width = 16, - .dfc_width = 16, - .num_blocks = 4096, - .chip_id = 0x46ec, -}; - -static struct pxa3xx_nand_flash samsung2GbX8 = { - .timing = &samsung512MbX16_timing, - .cmdset = &smallpage_cmdset, - .page_per_block = 64, - .page_size = 2048, - .flash_width = 8, - .dfc_width = 8, - .num_blocks = 2048, - .chip_id = 0xdaec, -}; - -static struct pxa3xx_nand_flash samsung32GbX8 = { - .timing = &samsung512MbX16_timing, - .cmdset = &smallpage_cmdset, - .page_per_block = 128, - .page_size = 4096, - .flash_width = 8, - .dfc_width = 8, - .num_blocks = 8192, - .chip_id = 0xd7ec, +static struct pxa3xx_nand_timing timing[] = { + { 10, 0, 20, 40, 30, 40, 11123, 110, 10, }, + { 10, 25, 15, 25, 15, 30, 25000, 60, 10, }, + { 10, 35, 15, 25, 15, 25, 25000, 60, 10, }, }; -static struct pxa3xx_nand_timing micron_timing = { - .tCH = 10, - .tCS = 25, - .tWH = 15, - .tWP = 25, - .tRH = 15, - .tRP = 30, - .tR = 25000, - .tWHR = 60, - .tAR = 10, +static struct pxa3xx_nand_flash builtin_flash_types[] = { + { 0x46ec, 32, 512, 16, 16, 4096, &default_cmdset, &timing[0] }, + { 0xdaec, 64, 2048, 8, 8, 2048, &default_cmdset, &timing[0] }, + { 0xd7ec, 128, 4096, 8, 8, 8192, &default_cmdset, &timing[0] }, + { 0xa12c, 64, 2048, 8, 8, 1024, &default_cmdset, &timing[1] }, + { 0xb12c, 64, 2048, 16, 16, 1024, &default_cmdset, &timing[1] }, + { 0xdc2c, 64, 2048, 8, 8, 4096, &default_cmdset, &timing[1] }, + { 0xcc2c, 64, 2048, 16, 16, 4096, &default_cmdset, &timing[1] }, + { 0xba20, 64, 2048, 16, 16, 2048, &default_cmdset, &timing[2] }, }; -static struct pxa3xx_nand_flash micron1GbX8 = { - .timing = µn_timing, - .cmdset = &largepage_cmdset, - .page_per_block = 64, - .page_size = 2048, - .flash_width = 8, - .dfc_width = 8, - .num_blocks = 1024, - .chip_id = 0xa12c, -}; - -static struct pxa3xx_nand_flash micron1GbX16 = { - .timing = µn_timing, - .cmdset = &largepage_cmdset, - .page_per_block = 64, - .page_size = 2048, - .flash_width = 16, - .dfc_width = 16, - .num_blocks = 1024, - .chip_id = 0xb12c, -}; - -static struct pxa3xx_nand_flash micron4GbX8 = { - .timing = µn_timing, - .cmdset = &largepage_cmdset, - .page_per_block = 64, - .page_size = 2048, - .flash_width = 8, - .dfc_width = 8, - .num_blocks = 4096, - .chip_id = 0xdc2c, -}; - -static struct pxa3xx_nand_flash micron4GbX16 = { - .timing = µn_timing, - .cmdset = &largepage_cmdset, - .page_per_block = 64, - .page_size = 2048, - .flash_width = 16, - .dfc_width = 16, - .num_blocks = 4096, - .chip_id = 0xcc2c, -}; - -static struct pxa3xx_nand_timing stm2GbX16_timing = { - .tCH = 10, - .tCS = 35, - .tWH = 15, - .tWP = 25, - .tRH = 15, - .tRP = 25, - .tR = 25000, - .tWHR = 60, - .tAR = 10, -}; - -static struct pxa3xx_nand_flash stm2GbX16 = { - .timing = &stm2GbX16_timing, - .cmdset = &largepage_cmdset, - .page_per_block = 64, - .page_size = 2048, - .flash_width = 16, - .dfc_width = 16, - .num_blocks = 2048, - .chip_id = 0xba20, -}; - -static struct pxa3xx_nand_flash *builtin_flash_types[] = { - &samsung512MbX16, - &samsung2GbX8, - &samsung32GbX8, - µn1GbX8, - µn1GbX16, - µn4GbX8, - µn4GbX16, - &stm2GbX16, -}; -#endif /* CONFIG_MTD_NAND_PXA3xx_BUILTIN */ - #define NDTR0_tCH(c) (min((c), 7) << 19) #define NDTR0_tCS(c) (min((c), 7) << 16) #define NDTR0_tWH(c) (min((c), 7) << 11) @@ -1027,11 +893,6 @@ static int pxa3xx_nand_detect_config(struct pxa3xx_nand_info *info) default_flash.flash_width = ndcr & NDCR_DWIDTH_M ? 16 : 8; default_flash.dfc_width = ndcr & NDCR_DWIDTH_C ? 16 : 8; - if (default_flash.page_size == 2048) - default_flash.cmdset = &largepage_cmdset; - else - default_flash.cmdset = &smallpage_cmdset; - /* set info fields needed to __readid */ info->flash_info = &default_flash; info->read_id_bytes = (default_flash.page_size == 2048) ? 4 : 2; @@ -1068,6 +929,7 @@ static int pxa3xx_nand_detect_config(struct pxa3xx_nand_info *info) pxa3xx_nand_detect_timing(info, &default_timing); default_flash.timing = &default_timing; + default_flash.cmdset = &default_cmdset; return 0; } @@ -1096,10 +958,9 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info, return 0; } -#ifdef CONFIG_MTD_NAND_PXA3xx_BUILTIN for (i = 0; i < ARRAY_SIZE(builtin_flash_types); i++) { - f = builtin_flash_types[i]; + f = &builtin_flash_types[i]; if (pxa3xx_nand_config_flash(info, f)) continue; @@ -1110,7 +971,6 @@ static int pxa3xx_nand_detect_flash(struct pxa3xx_nand_info *info, if (id == f->chip_id) return 0; } -#endif dev_warn(&info->pdev->dev, "failed to detect configured nand flash; found %04x instead of\n", |