diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap3/board.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/board.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index c6d9a425a..b72fadc25 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -328,14 +328,25 @@ void abort(void) *****************************************************************************/ static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { - if (argc != 2) + if (argc < 2 || argc > 3) goto usage; - if (strncmp(argv[1], "hw", 2) == 0) - omap_nand_switch_ecc(1); - else if (strncmp(argv[1], "sw", 2) == 0) - omap_nand_switch_ecc(0); - else + + if (strncmp(argv[1], "hw", 2) == 0) { + if (argc == 2) { + omap_nand_switch_ecc(1, 1); + } else { + if (strncmp(argv[2], "hamming", 7) == 0) + omap_nand_switch_ecc(1, 1); + else if (strncmp(argv[2], "bch8", 4) == 0) + omap_nand_switch_ecc(1, 8); + else + goto usage; + } + } else if (strncmp(argv[1], "sw", 2) == 0) { + omap_nand_switch_ecc(0, 0); + } else { goto usage; + } return 0; @@ -345,9 +356,13 @@ usage: } U_BOOT_CMD( - nandecc, 2, 1, do_switch_ecc, + nandecc, 3, 1, do_switch_ecc, "switch OMAP3 NAND ECC calculation algorithm", - "[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm" + "hw [hamming|bch8] - Switch between NAND hardware 1-bit hamming and" + " 8-bit BCH\n" + " ecc calculation (second parameter may" + " be omitted).\n" + "nandecc sw - Switch to NAND software ecc algorithm." ); #endif /* CONFIG_NAND_OMAP_GPMC & !CONFIG_SPL_BUILD */ |