From 9ad754fef5053144daed3b007adaf1c9bec654c9 Mon Sep 17 00:00:00 2001 From: William Juul Date: Fri, 14 Dec 2007 16:33:45 +0100 Subject: [PATCH] make nand dump and nand dump.oob work Signed-off-by: William Juul Signed-off-by: Scott Wood --- common/cmd_nand.c | 46 +++++++++++++++++++++++++++------------------- 1 file changed, 27 insertions(+), 19 deletions(-) diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 8b359e0177..af1b1cadd6 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -38,37 +38,44 @@ int find_dev_and_part(const char *id, struct mtd_device **dev, u8 *part_num, struct part_info **part); #endif -static int nand_dump_oob(nand_info_t *nand, ulong off) -{ - return 0; -} - -static int nand_dump(nand_info_t *nand, ulong off) +static int nand_dump(nand_info_t *nand, ulong off, int only_oob) { int i; - u_char *buf, *p; + u_char *datbuf, *oobbuf, *p; - buf = malloc(nand->writesize + nand->oobsize); - if (!buf) { + datbuf = malloc(nand->writesize + nand->oobsize); + oobbuf = malloc(nand->oobsize); + if (!datbuf || !oobbuf) { puts("No memory for page buffer\n"); return 1; } off &= ~(nand->writesize - 1); size_t dummy; loff_t addr = (loff_t) off; - i = nand->read(nand, addr, nand->writesize, &dummy, buf); + struct mtd_oob_ops ops; + memset(&ops, 0, sizeof(ops)); + ops.datbuf = datbuf; + ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */ + ops.len = nand->writesize; + ops.ooblen = nand->oobsize; + ops.mode = MTD_OOB_RAW; + i = nand->read_oob(nand, addr, &ops); if (i < 0) { printf("Error (%d) reading page %08lx\n", i, off); - free(buf); + free(datbuf); + free(oobbuf); return 1; } printf("Page %08lx dump:\n", off); - i = nand->writesize >> 4; p = buf; + i = nand->writesize >> 4; + p = datbuf; + while (i--) { - printf("\t%02x %02x %02x %02x %02x %02x %02x %02x" - " %02x %02x %02x %02x %02x %02x %02x %02x\n", - p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], - p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); + if (!only_oob) + printf("\t%02x %02x %02x %02x %02x %02x %02x %02x" + " %02x %02x %02x %02x %02x %02x %02x %02x\n", + p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], + p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); p += 16; } puts("OOB:\n"); @@ -78,7 +85,8 @@ static int nand_dump(nand_info_t *nand, ulong off) p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); p += 8; } - free(buf); + free(datbuf); + free(oobbuf); return 0; } @@ -302,9 +310,9 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) off = (int)simple_strtoul(argv[2], NULL, 16); if (s != NULL && strcmp(s, ".oob") == 0) - ret = nand_dump_oob(nand, off); + ret = nand_dump(nand, off, 1); else - ret = nand_dump(nand, off); + ret = nand_dump(nand, off, 0); return ret == 0 ? 1 : 0; -- 2.25.1