diff options
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/maps/Kconfig | 1 | ||||
-rw-r--r-- | drivers/mtd/maps/Makefile | 2 | ||||
-rw-r--r-- | drivers/mtd/maps/gpio-addr-flash.c | 5 | ||||
-rw-r--r-- | drivers/mtd/maps/sa1100-flash.c | 4 | ||||
-rw-r--r-- | drivers/mtd/nand/Kconfig | 2 | ||||
-rw-r--r-- | drivers/mtd/nand/nand_base.c | 6 | ||||
-rw-r--r-- | drivers/mtd/nand/pxa3xx_nand.c | 82 |
7 files changed, 82 insertions, 20 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 841e085ab74a..14be0755d7cd 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -486,6 +486,7 @@ config MTD_BFIN_ASYNC config MTD_GPIO_ADDR tristate "GPIO-assisted Flash Chip Support" + depends on GENERIC_GPIO || GPIOLIB depends on MTD_COMPLEX_MAPPINGS select MTD_PARTITIONS help diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 1d5cf8636723..ae2f6dbe43c3 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -58,4 +58,6 @@ obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o obj-$(CONFIG_MTD_INTEL_VR_NOR) += intel_vr_nor.o obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-async-flash.o +obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o +obj-$(CONFIG_MTD_VMU) += vmu-flash.o obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o diff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c index 44ef9a49a860..1ad5caf9fe69 100644 --- a/drivers/mtd/maps/gpio-addr-flash.c +++ b/drivers/mtd/maps/gpio-addr-flash.c @@ -13,7 +13,9 @@ * Licensed under the GPL-2 or later. */ +#include <linux/gpio.h> #include <linux/init.h> +#include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mtd/mtd.h> @@ -23,9 +25,6 @@ #include <linux/platform_device.h> #include <linux/types.h> -#include <asm/gpio.h> -#include <asm/io.h> - #define pr_devinit(fmt, args...) ({ static const __devinitconst char __fmt[] = fmt; printk(__fmt, ## args); }) #define DRIVER_NAME "gpio-addr-flash" diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c index fdb97f3d30e9..d7a47574d21e 100644 --- a/drivers/mtd/maps/sa1100-flash.c +++ b/drivers/mtd/maps/sa1100-flash.c @@ -209,8 +209,8 @@ static int sa1100_probe_subdev(struct sa_subdev_info *subdev, struct resource *r } subdev->mtd->owner = THIS_MODULE; - printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %dMiB, " - "%d-bit\n", phys, subdev->mtd->size >> 20, + printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %uMiB, %d-bit\n", + phys, (unsigned)(subdev->mtd->size >> 20), subdev->map.bankwidth * 8); return 0; diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 2fda0b615246..8f8e87b7ed64 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -358,7 +358,7 @@ endchoice config MTD_NAND_PXA3xx tristate "Support for NAND flash devices on PXA3xx" - depends on MTD_NAND && PXA3xx + depends on MTD_NAND && (PXA3xx || ARCH_MMP) help This enables the driver for the NAND flash device found on PXA3xx processors diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 22113865438b..2957cc70da3d 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -761,6 +761,7 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip) * @mtd: mtd info structure * @chip: nand chip info structure * @buf: buffer to store read data + * @page: page number to read * * Not for syndrome calculating ecc controllers, which use a special oob layout */ @@ -777,6 +778,7 @@ static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, * @mtd: mtd info structure * @chip: nand chip info structure * @buf: buffer to store read data + * @page: page number to read * * We need a special oob layout and handling even when OOB isn't used. */ @@ -818,6 +820,7 @@ static int nand_read_page_raw_syndrome(struct mtd_info *mtd, struct nand_chip *c * @mtd: mtd info structure * @chip: nand chip info structure * @buf: buffer to store read data + * @page: page number to read */ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int page) @@ -939,6 +942,7 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, uint3 * @mtd: mtd info structure * @chip: nand chip info structure * @buf: buffer to store read data + * @page: page number to read * * Not for syndrome calculating ecc controllers which need a special oob layout */ @@ -983,6 +987,7 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, * @mtd: mtd info structure * @chip: nand chip info structure * @buf: buffer to store read data + * @page: page number to read * * Hardware ECC for large page chips, require OOB to be read first. * For this ECC mode, the write_page method is re-used from ECC_HW. @@ -1031,6 +1036,7 @@ static int nand_read_page_hwecc_oob_first(struct mtd_info *mtd, * @mtd: mtd info structure * @chip: nand chip info structure * @buf: buffer to store read data + * @page: page number to read * * The hw generator calculates the error syndrome automatically. Therefor * we need a special oob layout and handling. diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 6ea520ae2410..1a5a0365c983 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -9,6 +9,7 @@ * published by the Free Software Foundation. */ +#include <linux/kernel.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/platform_device.h> @@ -22,7 +23,7 @@ #include <linux/irq.h> #include <mach/dma.h> -#include <mach/pxa3xx_nand.h> +#include <plat/pxa3xx_nand.h> #define CHIP_DELAY_TIMEOUT (2 * HZ/10) @@ -84,10 +85,6 @@ #define NDCB0_CMD1_MASK (0xff) #define NDCB0_ADDR_CYC_SHIFT (16) -/* dma-able I/O address for the NAND data and commands */ -#define NDCB0_DMA_ADDR (0x43100048) -#define NDDB_DMA_ADDR (0x43100040) - /* macros for registers read/write */ #define nand_writel(info, off, val) \ __raw_writel((val), (info)->mmio_base + (off)) @@ -123,6 +120,7 @@ struct pxa3xx_nand_info { struct clk *clk; void __iomem *mmio_base; + unsigned long mmio_phys; unsigned int buf_start; unsigned int buf_count; @@ -228,13 +226,35 @@ static struct pxa3xx_nand_flash samsung512MbX16 = { .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 micron_timing = { .tCH = 10, .tCS = 25, .tWH = 15, .tWP = 25, .tRH = 15, - .tRP = 25, + .tRP = 30, .tR = 25000, .tWHR = 60, .tAR = 10, @@ -262,6 +282,28 @@ static struct pxa3xx_nand_flash micron1GbX16 = { .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, @@ -287,8 +329,12 @@ static struct pxa3xx_nand_flash stm2GbX16 = { static struct pxa3xx_nand_flash *builtin_flash_types[] = { &samsung512MbX16, + &samsung2GbX8, + &samsung32GbX8, µn1GbX8, µn1GbX16, + µn4GbX8, + µn4GbX16, &stm2GbX16, }; #endif /* CONFIG_MTD_NAND_PXA3xx_BUILTIN */ @@ -489,7 +535,7 @@ static int handle_data_pio(struct pxa3xx_nand_info *info) switch (info->state) { case STATE_PIO_WRITING: __raw_writesl(info->mmio_base + NDDB, info->data_buff, - info->data_size << 2); + DIV_ROUND_UP(info->data_size, 4)); enable_int(info, NDSR_CS0_BBD | NDSR_CS0_CMDD); @@ -501,7 +547,7 @@ static int handle_data_pio(struct pxa3xx_nand_info *info) break; case STATE_PIO_READING: __raw_readsl(info->mmio_base + NDDB, info->data_buff, - info->data_size << 2); + DIV_ROUND_UP(info->data_size, 4)); break; default: printk(KERN_ERR "%s: invalid state %d\n", __func__, @@ -523,11 +569,11 @@ static void start_data_dma(struct pxa3xx_nand_info *info, int dir_out) if (dir_out) { desc->dsadr = info->data_buff_phys; - desc->dtadr = NDDB_DMA_ADDR; + desc->dtadr = info->mmio_phys + NDDB; desc->dcmd |= DCMD_INCSRCADDR | DCMD_FLOWTRG; } else { desc->dtadr = info->data_buff_phys; - desc->dsadr = NDDB_DMA_ADDR; + desc->dsadr = info->mmio_phys + NDDB; desc->dcmd |= DCMD_INCTRGADDR | DCMD_FLOWSRC; } @@ -669,6 +715,7 @@ static void pxa3xx_nand_cmdfunc(struct mtd_info *mtd, unsigned command, /* disable HW ECC to get all the OOB data */ info->buf_count = mtd->writesize + mtd->oobsize; info->buf_start = mtd->writesize + column; + memset(info->data_buff, 0xFF, info->buf_count); if (prepare_read_prog_cmd(info, cmdset->read1, column, page_addr)) break; @@ -1239,13 +1286,17 @@ static int pxa3xx_nand_probe(struct platform_device *pdev) ret = -ENODEV; goto fail_free_res; } + info->mmio_phys = r->start; ret = pxa3xx_nand_init_buff(info); if (ret) goto fail_free_io; - ret = request_irq(IRQ_NAND, pxa3xx_nand_irq, IRQF_DISABLED, - pdev->name, info); + /* initialize all interrupts to be disabled */ + disable_int(info, NDSR_MASK); + + ret = request_irq(irq, pxa3xx_nand_irq, IRQF_DISABLED, + pdev->name, info); if (ret < 0) { dev_err(&pdev->dev, "failed to request IRQ\n"); goto fail_free_buf; @@ -1271,7 +1322,7 @@ static int pxa3xx_nand_probe(struct platform_device *pdev) return add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts); fail_free_irq: - free_irq(IRQ_NAND, info); + free_irq(irq, info); fail_free_buf: if (use_dma) { pxa_free_dma(info->data_dma_ch); @@ -1296,12 +1347,15 @@ static int pxa3xx_nand_remove(struct platform_device *pdev) struct mtd_info *mtd = platform_get_drvdata(pdev); struct pxa3xx_nand_info *info = mtd->priv; struct resource *r; + int irq; platform_set_drvdata(pdev, NULL); del_mtd_device(mtd); del_mtd_partitions(mtd); - free_irq(IRQ_NAND, info); + irq = platform_get_irq(pdev, 0); + if (irq >= 0) + free_irq(irq, info); if (use_dma) { pxa_free_dma(info->data_dma_ch); dma_free_writecombine(&pdev->dev, info->data_buff_size, |