return CMD_RET_FAILURE;
}
+ /*
+ * BOOT_BUS_CONDITIONS[177]
+ * BOOT_MODE[4:3]
+ * 0x0 : Use SDR + Backward compatible timing in boot operation
+ * 0x1 : Use SDR + High Speed Timing in boot operation mode
+ * 0x2 : Use DDR in boot operation
+ * RESET_BOOT_BUS_CONDITIONS
+ * 0x0 : Reset bus width to x1, SDR, Backward compatible
+ * 0x1 : Retain BOOT_BUS_WIDTH and BOOT_MODE
+ * BOOT_BUS_WIDTH
+ * 0x0 : x1(sdr) or x4 (ddr) buswidth
+ * 0x1 : x4(sdr/ddr) buswith
+ * 0x2 : x8(sdr/ddr) buswith
+ *
+ */
+ if (width >= 0x3) {
+ printf("boot_bus_width %d is invalid\n", width);
+ return CMD_RET_FAILURE;
+ }
+
+ if (reset >= 0x2) {
+ printf("reset_boot_bus_width %d is invalid\n", reset);
+ return CMD_RET_FAILURE;
+ }
+
+ if (mode >= 0x3) {
+ printf("reset_boot_bus_width %d is invalid\n", mode);
+ return CMD_RET_FAILURE;
+ }
+
/* acknowledge to be sent during boot operation */
- return mmc_set_boot_bus_width(mmc, width, reset, mode);
+ if (mmc_set_boot_bus_width(mmc, width, reset, mode)) {
+ puts("BOOT_BUS_WIDTH is failed to change.\n");
+ return CMD_RET_FAILURE;
+ }
+
+ printf("Set to BOOT_BUS_WIDTH = 0x%x, RESET = 0x%x, BOOT_MODE = 0x%x\n",
+ width, reset, mode);
+ return CMD_RET_SUCCESS;
}
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;
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"
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);
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);
"mmc list - lists available devices\n"
"mmc wp - power on write protect boot partitions\n"
#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
- "mmc hwpartition [args...] - does hardware partitioning\n"
+ "mmc hwpartition <USER> <GP> <MODE> - does hardware partitioning\n"
" arguments (sizes in 512-byte blocks):\n"
- " [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
- " [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
- " [check|set|complete] - mode, complete set partitioning completed\n"
+ " USER - <user> <enh> <start> <cnt> <wrrel> <{on|off}>\n"
+ " : sets user data area attributes\n"
+ " GP - <{gp1|gp2|gp3|gp4}> <cnt> <enh> <wrrel> <{on|off}>\n"
+ " : general purpose partition\n"
+ " MODE - <{check|set|complete}>\n"
+ " : mode, complete set partitioning completed\n"
" WARNING: Partitioning is a write-once setting once it is set to complete.\n"
" Power cycling is required to initialize partitions after set to complete.\n"
#endif
#ifdef CONFIG_SUPPORT_EMMC_BOOT
- "mmc bootbus dev boot_bus_width reset_boot_bus_width boot_mode\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"
+ "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"
- "mmc rst-function dev value\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"
#endif