diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_mmc.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index 5842e85..a028149 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -338,6 +338,33 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) /* acknowledge to be sent during boot operation */ return mmc_set_part_conf(mmc, ack, part_num, access); + } else if (strcmp(argv[1], "bootbus") == 0) { + int dev; + struct mmc *mmc; + u8 width, reset, mode; + + if (argc == 6) { + dev = simple_strtoul(argv[2], NULL, 10); + width = simple_strtoul(argv[3], NULL, 10); + reset = simple_strtoul(argv[4], NULL, 10); + mode = simple_strtoul(argv[5], NULL, 10); + } else { + return CMD_RET_USAGE; + } + + mmc = find_mmc_device(dev); + if (!mmc) { + printf("no mmc device at slot %x\n", dev); + return 1; + } + + if (IS_SD(mmc)) { + puts("BOOT_BUS_WIDTH only exists on eMMC\n"); + return 1; + } + + /* acknowledge to be sent during boot operation */ + return mmc_set_boot_bus_width(mmc, width, reset, mode); } else if (strcmp(argv[1], "bootpart-resize") == 0) { int dev; struct mmc *mmc; @@ -475,6 +502,8 @@ U_BOOT_CMD( " - Enable boot_part for booting and enable R/W access of boot_part\n" "mmc close <dev> <boot_partition>\n" " - Enable boot_part for booting and disable access to boot_part\n" + "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\n" + " - 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" |