From eee623a5049963d0c085be37128bbd22bee1ba1e Mon Sep 17 00:00:00 2001 From: Joe Hershberger Date: Wed, 22 Aug 2012 16:49:42 -0500 Subject: nand: Add support for unlock.invert NAND unlock command allows an invert bit to be set to unlock all but the selected page range. Signed-off-by: Joe Hershberger [scottwood@freescale.com: updated docs and added comment about invert bit] Signed-off-by: Scott Wood --- common/cmd_nand.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'common') diff --git a/common/cmd_nand.c b/common/cmd_nand.c index a91ccf4df3..f737c06f84 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -749,11 +749,18 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) return 0; } - if (strcmp(cmd, "unlock") == 0) { + if (strncmp(cmd, "unlock", 5) == 0) { + int allexcept = 0; + + s = strchr(cmd, '.'); + + if (s && !strcmp(s, ".allexcept")) + allexcept = 1; + if (arg_off_size(argc - 2, argv + 2, &dev, &off, &size) < 0) return 1; - if (!nand_unlock(&nand_info[dev], off, size)) { + if (!nand_unlock(&nand_info[dev], off, size, allexcept)) { puts("NAND flash successfully unlocked\n"); } else { puts("Error unlocking NAND flash, " @@ -807,7 +814,7 @@ U_BOOT_CMD( "\n" "nand lock [tight] [status]\n" " bring nand to lock state or display locked pages\n" - "nand unlock [offset] [size] - unlock section" + "nand unlock[.allexcept] [offset] [size] - unlock section" #endif #ifdef CONFIG_ENV_OFFSET_OOB "\n" -- cgit v1.2.1