This allows the scrub command to scrub without asking the user if he really wants to scrub the area. Useful in scripts.
Signed-off-by: Marek Vasut marek.vasut@gmail.com Cc: Scott Wood scottwood@freescale.com Cc: Stefano Babic sbabic@denx.de Cc: Wolfgang Denk wd@denx.de Cc: Detlev Zundel dzu@denx.de --- common/cmd_nand.c | 34 +++++++++++++++++++--------------- 1 files changed, 19 insertions(+), 15 deletions(-)
diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 5b7e83d..c2a5623 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -500,12 +500,23 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) nand_erase_options_t opts; /* "clean" at index 2 means request to write cleanmarker */ int clean = argc > 2 && !strcmp("clean", argv[2]); - int o = clean ? 3 : 2; + int scrub_yes = argc > 2 && !strcmp("-y", argv[2]); + int o = (clean || scrub_yes) ? 3 : 2; int scrub = !strncmp(cmd, "scrub", 5); int part = 0; int chip = 0; int spread = 0; int args = 2; + const char *scrub_warn = + "Warning: " + "scrub option will erase all factory set bad blocks!\n" + " " + "There is no reliable way to recover them.\n" + " " + "Use this command only for testing purposes if you\n" + " " + "are sure of what you are doing!\n" + "\nReally scrub this NAND flash? <y/N>\n";
if (cmd[5] != 0) { if (!strcmp(&cmd[5], ".spread")) { @@ -544,19 +555,12 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) opts.spread = spread;
if (scrub) { - puts("Warning: " - "scrub option will erase all factory set " - "bad blocks!\n" - " " - "There is no reliable way to recover them.\n" - " " - "Use this command only for testing purposes " - "if you\n" - " " - "are sure of what you are doing!\n" - "\nReally scrub this NAND flash? <y/N>\n"); - - if (getc() == 'y') { + if (!scrub_yes) + puts(scrub_warn); + + if (scrub_yes) + opts.scrub = 1; + else if (getc() == 'y') { puts("y"); if (getc() == '\r') opts.scrub = 1; @@ -768,7 +772,7 @@ U_BOOT_CMD( "nand erase.chip [clean] - erase entire chip'\n" "nand bad - show bad blocks\n" "nand dump[.oob] off - dump page\n" - "nand scrub off size | scrub.part partition | scrub.chip\n" + "nand scrub [-y] off size | scrub.part partition | scrub.chip\n" " really clean NAND erasing bad blocks (UNSAFE)\n" "nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n" "nand biterr off - make a bit error at offset (UNSAFE)"