diff options
Diffstat (limited to 'cmd/mmc.c')
| -rw-r--r-- | cmd/mmc.c | 38 |
1 files changed, 32 insertions, 6 deletions
@@ -643,6 +643,28 @@ static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag, printf("EMMC RPMB partition Size %d MB\n", rpmbsize); return CMD_RET_SUCCESS; } + +static int mmc_partconf_print(struct mmc *mmc) +{ + u8 ack, access, part; + + if (mmc->part_config == MMCPART_NOAVAILABLE) { + printf("No part_config info for ver. 0x%x\n", mmc->version); + return CMD_RET_FAILURE; + } + + access = EXT_CSD_EXTRACT_PARTITION_ACCESS(mmc->part_config); + ack = EXT_CSD_EXTRACT_BOOT_ACK(mmc->part_config); + part = EXT_CSD_EXTRACT_BOOT_PART(mmc->part_config); + + printf("EXT_CSD[179], PARTITION_CONFIG:\n" + "BOOT_ACK: 0x%x\n" + "BOOT_PARTITION_ENABLE: 0x%x\n" + "PARTITION_ACCESS: 0x%x\n", ack, part, access); + + return CMD_RET_SUCCESS; +} + static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -650,13 +672,10 @@ static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag, struct mmc *mmc; u8 ack, part_num, access; - if (argc != 5) + if (argc != 2 && argc != 5) return CMD_RET_USAGE; dev = simple_strtoul(argv[1], NULL, 10); - ack = simple_strtoul(argv[2], NULL, 10); - part_num = simple_strtoul(argv[3], NULL, 10); - access = simple_strtoul(argv[4], NULL, 10); mmc = init_mmc_device(dev, false); if (!mmc) @@ -667,6 +686,13 @@ static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag, return CMD_RET_FAILURE; } + if (argc == 2) + return mmc_partconf_print(mmc); + + ack = simple_strtoul(argv[2], NULL, 10); + part_num = simple_strtoul(argv[3], NULL, 10); + access = simple_strtoul(argv[4], NULL, 10); + /* acknowledge to be sent during boot operation */ return mmc_set_part_conf(mmc, ack, part_num, access); } @@ -832,8 +858,8 @@ 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" - " - Change the bits of the PARTITION_CONFIG field of the specified device\n" + "mmc partconf dev [boot_ack boot_partition partition_access]\n" + " - Show or change the bits of the PARTITION_CONFIG field of the specified device\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" |