Add an sf sub-command named sr-protect which allows the status register protection method to be changed.
Valid settings are software, hardware, power and otp.
Signed-off-by: George McCollister george.mccollister@gmail.com --- cmd/sf.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/cmd/sf.c b/cmd/sf.c index 65b117f..1a42bf6 100644 --- a/cmd/sf.c +++ b/cmd/sf.c @@ -380,6 +380,30 @@ static int do_spi_protect(int argc, char * const argv[]) return ret == 0 ? 0 : 1; }
+static int do_spi_sr_protect(int argc, char * const argv[]) +{ + int ret; + enum srp_method method; + + if (argc != 2) + return -1; + + if (strcmp(argv[1], "software") == 0) + method = SRP_SOFTWARE; + else if (strcmp(argv[1], "hardware") == 0) + method = SRP_HARDWARE; + else if (strcmp(argv[1], "power") == 0) + method = SRP_POWER; + else if (strcmp(argv[1], "otp") == 0) + method = SRP_OTP; + else + return -1; /* Unknown parameter */ + + ret = spi_flash_sr_protect(flash, method); + + return ret == 0 ? 0 : 1; +} + #ifdef CONFIG_CMD_SF_TEST enum { STAGE_ERASE, @@ -574,6 +598,8 @@ static int do_spi_flash(cmd_tbl_t *cmdtp, int flag, int argc, ret = do_spi_flash_erase(argc, argv); else if (strcmp(cmd, "protect") == 0) ret = do_spi_protect(argc, argv); + else if (strcmp(cmd, "sr-protect") == 0) + ret = do_spi_sr_protect(argc, argv); #ifdef CONFIG_CMD_SF_TEST else if (!strcmp(cmd, "test")) ret = do_spi_flash_test(argc, argv); @@ -615,5 +641,7 @@ U_BOOT_CMD( " or to start of mtd `partition'\n" "sf protect lock/unlock sector len - protect/unprotect 'len' bytes starting\n" " at address 'sector'\n" + "sf sr-protect method - set status register protect method to\n" + " software, hardware, power or otp\n" SF_TEST_HELP );