diff options
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r-- | drivers/mtd/nand/nand_base.c | 6 | ||||
-rw-r--r-- | drivers/mtd/nand/nand_ecc.c | 2 | ||||
-rw-r--r-- | drivers/mtd/nand/nand_spl_simple.c | 11 | ||||
-rw-r--r-- | drivers/mtd/nand/omap_gpmc.c | 4 | ||||
-rw-r--r-- | drivers/mtd/nand/s3c64xx.c | 28 |
5 files changed, 19 insertions, 32 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 6aac6a2..27f6c77 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -133,7 +133,7 @@ static void nand_release_device (struct mtd_info *mtd) * * Default read function for 8bit buswith */ -static uint8_t nand_read_byte(struct mtd_info *mtd) +uint8_t nand_read_byte(struct mtd_info *mtd) { struct nand_chip *chip = mtd->priv; return readb(chip->IO_ADDR_R); @@ -196,7 +196,7 @@ static void nand_select_chip(struct mtd_info *mtd, int chipnr) * * Default write function for 8bit buswith */ -static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) +void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) { int i; struct nand_chip *chip = mtd->priv; @@ -249,7 +249,7 @@ static int nand_verify_buf(struct mtd_info *mtd, const uint8_t *buf, int len) * * Default write function for 16bit buswith */ -static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) +void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) { int i; struct nand_chip *chip = mtd->priv; diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c index 52bc916..81f0e08 100644 --- a/drivers/mtd/nand/nand_ecc.c +++ b/drivers/mtd/nand/nand_ecc.c @@ -50,7 +50,7 @@ * only nand_correct_data() is needed */ -#ifndef CONFIG_NAND_SPL +#if !defined(CONFIG_NAND_SPL) || defined(CONFIG_SPL_NAND_SOFTECC) /* * Pre-calculated 256-way 1 byte column parity */ diff --git a/drivers/mtd/nand/nand_spl_simple.c b/drivers/mtd/nand/nand_spl_simple.c index e5003e6..ed821f2 100644 --- a/drivers/mtd/nand/nand_spl_simple.c +++ b/drivers/mtd/nand/nand_spl_simple.c @@ -21,6 +21,7 @@ #include <common.h> #include <nand.h> #include <asm/io.h> +#include <linux/mtd/nand_ecc.h> static int nand_ecc_pos[] = CONFIG_SYS_NAND_ECCPOS; static nand_info_t mtd; @@ -204,7 +205,8 @@ static int nand_read_page(int block, int page, void *dst) oob_data = ecc_calc + 0x200; for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { - this->ecc.hwctl(&mtd, NAND_ECC_READ); + if (this->ecc.mode != NAND_ECC_SOFT) + this->ecc.hwctl(&mtd, NAND_ECC_READ); this->read_buf(&mtd, p, eccsize); this->ecc.calculate(&mtd, p, &ecc_calc[i]); } @@ -274,6 +276,13 @@ void nand_init(void) (void __iomem *)CONFIG_SYS_NAND_BASE; board_nand_init(&nand_chip); +#ifdef CONFIG_SPL_NAND_SOFTECC + if (nand_chip.ecc.mode == NAND_ECC_SOFT) { + nand_chip.ecc.calculate = nand_calculate_ecc; + nand_chip.ecc.correct = nand_correct_data; + } +#endif + if (nand_chip.select_chip) nand_chip.select_chip(&mtd, 0); } diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c index 5bbec48..1dfe074 100644 --- a/drivers/mtd/nand/omap_gpmc.c +++ b/drivers/mtd/nand/omap_gpmc.c @@ -348,7 +348,7 @@ int board_nand_init(struct nand_chip *nand) nand->chip_delay = 100; /* Default ECC mode */ -#ifndef CONFIG_SPL_BUILD +#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_NAND_SOFTECC) nand->ecc.mode = NAND_ECC_SOFT; #else nand->ecc.mode = NAND_ECC_HW; @@ -359,7 +359,9 @@ int board_nand_init(struct nand_chip *nand) nand->ecc.correct = omap_correct_data; nand->ecc.calculate = omap_calculate_ecc; omap_hwecc_init(nand); +#endif +#ifdef CONFIG_SPL_BUILD if (nand->options & NAND_BUSWIDTH_16) nand->read_buf = nand_read_buf16; else diff --git a/drivers/mtd/nand/s3c64xx.c b/drivers/mtd/nand/s3c64xx.c index 084e475..87f0341 100644 --- a/drivers/mtd/nand/s3c64xx.c +++ b/drivers/mtd/nand/s3c64xx.c @@ -28,6 +28,8 @@ #include <common.h> #include <nand.h> +#include <linux/mtd/nand.h> + #include <asm/arch/s3c6400.h> #include <asm/io.h> @@ -60,32 +62,6 @@ static void print_oob(const char *header, struct mtd_info *mtd) } #endif /* S3C_NAND_DEBUG */ -#ifdef CONFIG_NAND_SPL -static u_char nand_read_byte(struct mtd_info *mtd) -{ - struct nand_chip *this = mtd->priv; - return readb(this->IO_ADDR_R); -} - -static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) -{ - int i; - struct nand_chip *this = mtd->priv; - - for (i = 0; i < len; i++) - writeb(buf[i], this->IO_ADDR_W); -} - -static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) -{ - int i; - struct nand_chip *this = mtd->priv; - - for (i = 0; i < len; i++) - buf[i] = readb(this->IO_ADDR_R); -} -#endif - static void s3c_nand_select_chip(struct mtd_info *mtd, int chip) { int ctrl = readl(NFCONT); |