diff options
Diffstat (limited to 'common/cmd_mmc.c')
-rw-r--r-- | common/cmd_mmc.c | 108 |
1 files changed, 50 insertions, 58 deletions
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index da5fef9..2d51927 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -131,36 +131,6 @@ U_BOOT_CMD( "- display info of the current MMC device" ); -#ifdef CONFIG_SUPPORT_EMMC_BOOT -static int boot_part_access(struct mmc *mmc, u8 ack, u8 part_num, u8 access) -{ - int err; - err = mmc_boot_part_access(mmc, ack, part_num, access); - - if ((err == 0) && (access != 0)) { - printf("\t\t\t!!!Notice!!!\n"); - - printf("!You must close EMMC boot Partition"); - printf("after all images are written\n"); - - printf("!EMMC boot partition has continuity"); - printf("at image writing time.\n"); - - printf("!So, do not close the boot partition"); - printf("before all images are written.\n"); - return 0; - } else if ((err == 0) && (access == 0)) - return 0; - else if ((err != 0) && (access != 0)) { - printf("EMMC boot partition-%d OPEN Failed.\n", part_num); - return 1; - } else { - printf("EMMC boot partition-%d CLOSE Failed.\n", part_num); - return 1; - } -} -#endif - static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { enum mmc_state state; @@ -195,7 +165,7 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 1; else return 0; - } else if (strncmp(argv[1], "part", 4) == 0) { + } else if (strcmp(argv[1], "part") == 0) { block_dev_desc_t *mmc_dev; struct mmc *mmc; @@ -273,15 +243,16 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; #ifdef CONFIG_SUPPORT_EMMC_BOOT - } else if ((strcmp(argv[1], "open") == 0) || - (strcmp(argv[1], "close") == 0)) { + } else if (strcmp(argv[1], "partconf") == 0) { int dev; struct mmc *mmc; - u8 part_num, access = 0; + u8 ack, part_num, access; - if (argc == 4) { + if (argc == 6) { dev = simple_strtoul(argv[2], NULL, 10); - part_num = simple_strtoul(argv[3], NULL, 10); + ack = simple_strtoul(argv[3], NULL, 10); + part_num = simple_strtoul(argv[4], NULL, 10); + access = simple_strtoul(argv[5], NULL, 10); } else { return CMD_RET_USAGE; } @@ -293,32 +264,53 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) } if (IS_SD(mmc)) { - printf("SD device cannot be opened/closed\n"); + puts("PARTITION_CONFIG only exists on eMMC\n"); return 1; } - if ((part_num <= 0) || (part_num > MMC_NUM_BOOT_PARTITION)) { - printf("Invalid boot partition number:\n"); - printf("Boot partition number cannot be <= 0\n"); - printf("EMMC44 supports only 2 boot partitions\n"); + /* 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 (strcmp(argv[1], "open") == 0) - access = part_num; /* enable R/W access to boot part*/ - else - access = 0; /* No access to boot partition */ + if (IS_SD(mmc)) { + puts("BOOT_BUS_WIDTH only exists on eMMC\n"); + return 1; + } /* acknowledge to be sent during boot operation */ - return boot_part_access(mmc, 1, part_num, access); - - } else if (strcmp(argv[1], "bootpart") == 0) { + return mmc_set_boot_bus_width(mmc, width, reset, mode); + } else if (strcmp(argv[1], "bootpart-resize") == 0) { int dev; - dev = simple_strtoul(argv[2], NULL, 10); + struct mmc *mmc; + u32 bootsize, rpmbsize; - u32 bootsize = simple_strtoul(argv[3], NULL, 10); - u32 rpmbsize = simple_strtoul(argv[4], NULL, 10); - struct mmc *mmc = find_mmc_device(dev); + if (argc == 5) { + dev = simple_strtoul(argv[2], NULL, 10); + bootsize = simple_strtoul(argv[3], NULL, 10); + rpmbsize = simple_strtoul(argv[4], 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; @@ -438,12 +430,12 @@ U_BOOT_CMD( "mmc dev [dev] [part] - show or set current mmc device [partition]\n" "mmc list - lists available devices\n" #ifdef CONFIG_SUPPORT_EMMC_BOOT - "mmc open <dev> <boot_partition>\n" - " - 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 bootpart <device num> <boot part size MB> <RPMB part size MB>\n" - " - change sizes of boot and RPMB partitions of specified device\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" + " - Change the bits of the PARTITION_CONFIG field of the specified device\n" #endif "mmc setdsr - set DSR register value\n" ); 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