diff options
| -rw-r--r-- | cmd/mmc.c | 14 | ||||
| -rw-r--r-- | doc/usage/mmc.rst | 4 |
2 files changed, 12 insertions, 6 deletions
@@ -808,7 +808,7 @@ static int do_mmc_boot_resize(struct cmd_tbl *cmdtp, int flag, return CMD_RET_SUCCESS; } -static int mmc_partconf_print(struct mmc *mmc) +static int mmc_partconf_print(struct mmc *mmc, const char *varname) { u8 ack, access, part; @@ -821,6 +821,9 @@ static int mmc_partconf_print(struct mmc *mmc) ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config); part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config); + if(varname) + env_set_hex(varname, part); + printf("EXT_CSD[179], PARTITION_CONFIG:\n" "BOOT_ACK: 0x%x\n" "BOOT_PARTITION_ENABLE: 0x%x\n" @@ -836,7 +839,7 @@ static int do_mmc_partconf(struct cmd_tbl *cmdtp, int flag, struct mmc *mmc; u8 ack, part_num, access; - if (argc != 2 && argc != 5) + if (argc != 2 && argc != 3 && argc != 5) return CMD_RET_USAGE; dev = simple_strtoul(argv[1], NULL, 10); @@ -850,8 +853,8 @@ static int do_mmc_partconf(struct cmd_tbl *cmdtp, int flag, return CMD_RET_FAILURE; } - if (argc == 2) - return mmc_partconf_print(mmc); + if (argc == 2 || argc == 3) + return mmc_partconf_print(mmc, argc == 3 ? argv[2] : NULL); ack = simple_strtoul(argv[2], NULL, 10); part_num = simple_strtoul(argv[3], NULL, 10); @@ -1061,8 +1064,9 @@ U_BOOT_CMD( " - Set the BOOT_BUS_WIDTH field of the specified device\n" "mmc bootpart-resize <dev> <boot part size MB> <RPMB part size MB>\n" " - Change sizes of boot and RPMB partitions of specified device\n" - "mmc partconf <dev> [boot_ack boot_partition partition_access]\n" + "mmc partconf <dev> [[varname] | [<boot_ack> <boot_partition> <partition_access>]]\n" " - Show or change the bits of the PARTITION_CONFIG field of the specified device\n" + " If showing the bits, optionally store the boot_partition field into varname\n" "mmc rst-function <dev> <value>\n" " - Change the RST_n_FUNCTION field of the specified device\n" " WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n" diff --git a/doc/usage/mmc.rst b/doc/usage/mmc.rst index 458c7642c0..f20efe3d70 100644 --- a/doc/usage/mmc.rst +++ b/doc/usage/mmc.rst @@ -19,7 +19,7 @@ Synopsis mmc wp mmc bootbus <dev> <boot_bus_width> <reset_boot_bus_width> <boot_mode> mmc bootpart-resize <dev> <dev part size MB> <RPMB part size MB> - mmc partconf <dev> [boot_ack boot_partition partition_access] + mmc partconf <dev> [[varname] | [<boot_ack> <boot_partition> <partition_access>]] mmc rst-function <dev> <value> Description @@ -92,6 +92,8 @@ The 'mmc bootbus' command sets the BOOT_BUS_WIDTH field. (*Refer to eMMC specifi The 'mmc partconf' command shows or changes PARTITION_CONFIG field. + varname + When showing the PARTITION_CONFIG, an optional environment variable to store the current boot_partition value into. boot_ack boot acknowledge value boot_partition |