diff options
Diffstat (limited to 'drivers/mtd/nand/nand_spl_simple.c')
| -rw-r--r-- | drivers/mtd/nand/nand_spl_simple.c | 42 |
1 files changed, 16 insertions, 26 deletions
diff --git a/drivers/mtd/nand/nand_spl_simple.c b/drivers/mtd/nand/nand_spl_simple.c index 7eb08a3b0..4a4d02f4c 100644 --- a/drivers/mtd/nand/nand_spl_simple.c +++ b/drivers/mtd/nand/nand_spl_simple.c @@ -27,6 +27,11 @@ static int nand_ecc_pos[] = CONFIG_SYS_NAND_ECCPOS; static nand_info_t mtd; static struct nand_chip nand_chip; +#define ECCSTEPS (CONFIG_SYS_NAND_PAGE_SIZE / \ + CONFIG_SYS_NAND_ECCSIZE) +#define ECCTOTAL (ECCSTEPS * CONFIG_SYS_NAND_ECCBYTES) + + #if (CONFIG_SYS_NAND_PAGE_SIZE <= 512) /* * NAND command for small page NAND devices (512) @@ -145,29 +150,21 @@ static int nand_is_bad_block(int block) static int nand_read_page(int block, int page, uchar *dst) { struct nand_chip *this = mtd.priv; - u_char *ecc_calc; - u_char *ecc_code; - u_char *oob_data; + u_char ecc_calc[ECCTOTAL]; + u_char ecc_code[ECCTOTAL]; + u_char oob_data[CONFIG_SYS_NAND_OOBSIZE]; int i; int eccsize = CONFIG_SYS_NAND_ECCSIZE; int eccbytes = CONFIG_SYS_NAND_ECCBYTES; - int eccsteps = CONFIG_SYS_NAND_ECCSTEPS; + int eccsteps = ECCSTEPS; uint8_t *p = dst; - /* - * No malloc available for now, just use some temporary locations - * in SDRAM - */ - ecc_calc = (u_char *)(CONFIG_SYS_SDRAM_BASE + 0x10000); - ecc_code = ecc_calc + 0x100; - oob_data = ecc_calc + 0x200; - nand_command(block, page, 0, NAND_CMD_READOOB); this->read_buf(&mtd, oob_data, CONFIG_SYS_NAND_OOBSIZE); nand_command(block, page, 0, NAND_CMD_READ0); /* Pick the ECC bytes out of the oob data */ - for (i = 0; i < CONFIG_SYS_NAND_ECCTOTAL; i++) + for (i = 0; i < ECCTOTAL; i++) ecc_code[i] = oob_data[nand_ecc_pos[i]]; @@ -184,24 +181,17 @@ static int nand_read_page(int block, int page, uchar *dst) static int nand_read_page(int block, int page, void *dst) { struct nand_chip *this = mtd.priv; - u_char *ecc_calc; - u_char *ecc_code; - u_char *oob_data; + u_char ecc_calc[ECCTOTAL]; + u_char ecc_code[ECCTOTAL]; + u_char oob_data[CONFIG_SYS_NAND_OOBSIZE]; int i; int eccsize = CONFIG_SYS_NAND_ECCSIZE; int eccbytes = CONFIG_SYS_NAND_ECCBYTES; - int eccsteps = CONFIG_SYS_NAND_ECCSTEPS; + int eccsteps = ECCSTEPS; uint8_t *p = dst; nand_command(block, page, 0, NAND_CMD_READ0); - /* No malloc available for now, just use some temporary locations - * in SDRAM - */ - ecc_calc = (u_char *)(CONFIG_SYS_SDRAM_BASE + 0x10000); - ecc_code = ecc_calc + 0x100; - oob_data = ecc_calc + 0x200; - for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { if (this->ecc.mode != NAND_ECC_SOFT) this->ecc.hwctl(&mtd, NAND_ECC_READ); @@ -211,10 +201,10 @@ static int nand_read_page(int block, int page, void *dst) this->read_buf(&mtd, oob_data, CONFIG_SYS_NAND_OOBSIZE); /* Pick the ECC bytes out of the oob data */ - for (i = 0; i < CONFIG_SYS_NAND_ECCTOTAL; i++) + for (i = 0; i < ECCTOTAL; i++) ecc_code[i] = oob_data[nand_ecc_pos[i]]; - eccsteps = CONFIG_SYS_NAND_ECCSTEPS; + eccsteps = ECCSTEPS; p = dst; for (i = 0 ; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { |