diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/meson/sm.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/cmd/meson/sm.c b/cmd/meson/sm.c index c2b57707258..de9a242e17f 100644 --- a/cmd/meson/sm.c +++ b/cmd/meson/sm.c @@ -5,6 +5,7 @@ * Author: Beniamino Galvani <[email protected]> * Author: Vyacheslav Bocharov <[email protected]> * Author: Neil Armstrong <[email protected]> + * Author: Alexey Romanov <[email protected]> */ #include <command.h> @@ -12,6 +13,7 @@ #include <env.h> #include <asm/arch/sm.h> #include <stdlib.h> +#include <display_options.h> static int do_sm_serial(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) @@ -119,11 +121,43 @@ static int do_efuse_write(struct cmd_tbl *cmdtp, int flag, int argc, return CMD_RET_SUCCESS; } +static int do_efuse_dump(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + ulong offset, size; + u8 *buffer; + int ret; + + if (argc != 3) + return CMD_RET_USAGE; + + offset = simple_strtoul(argv[1], NULL, 0); + size = simple_strtoul(argv[2], NULL, 0); + buffer = malloc(size); + if (!buffer) { + pr_err("Failed to allocate %lu bytes\n", size); + return CMD_RET_FAILURE; + } + + ret = meson_sm_read_efuse(offset, (void *)buffer, size); + if (ret != size) { + ret = CMD_RET_FAILURE; + goto free_buffer; + } + + print_buffer(0, buffer, 1, size, 0); + +free_buffer: + free(buffer); + return ret; +} + static struct cmd_tbl cmd_sm_sub[] = { U_BOOT_CMD_MKENT(serial, 2, 1, do_sm_serial, "", ""), U_BOOT_CMD_MKENT(reboot_reason, 1, 1, do_sm_reboot_reason, "", ""), U_BOOT_CMD_MKENT(efuseread, 4, 1, do_efuse_read, "", ""), U_BOOT_CMD_MKENT(efusewrite, 4, 0, do_efuse_write, "", ""), + U_BOOT_CMD_MKENT(efusedump, 3, 1, do_efuse_dump, "", ""), }; static int do_sm(struct cmd_tbl *cmdtp, int flag, int argc, @@ -152,5 +186,6 @@ U_BOOT_CMD( "serial <address> - read chip unique id to memory address\n" "sm reboot_reason [name] - get reboot reason and store to environment\n" "sm efuseread <offset> <size> <address> - read efuse to memory address\n" - "sm efusewrite <offset> <size> <address> - write into efuse from memory address" + "sm efusewrite <offset> <size> <address> - write into efuse from memory address\n" + "sm efusedump <offset> <size> - dump efuse data range to console" ); |