X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fcmd_mmc.c;h=da5fef9db9dd936a995a92e04826a69fe0521635;hb=bc5d5428805c804cab67a0cc000bbf64e26acf71;hp=62a1c224d36329a126425819de847acde8d24fa0;hpb=6acc7c3cbc05873d62118640cf964e9c9665804c;p=u-boot diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index 62a1c224d3..da5fef9db9 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -2,23 +2,7 @@ * (C) Copyright 2003 * Kyle Harris, kharris@nexus-tech.net * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -106,7 +90,7 @@ static void print_mmcinfo(struct mmc *mmc) printf("Rd Block Len: %d\n", mmc->read_bl_len); printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC", - (mmc->version >> 4) & 0xf, mmc->version & 0xf); + (mmc->version >> 8) & 0xf, mmc->version & 0xff); printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No"); puts("Capacity: "); @@ -144,9 +128,39 @@ static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) U_BOOT_CMD( mmcinfo, 1, 0, do_mmcinfo, "display MMC info", - "- dislay info of the current MMC device" + "- 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; @@ -164,8 +178,12 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) } if (strcmp(argv[1], "rescan") == 0) { - struct mmc *mmc = find_mmc_device(curr_device); + struct mmc *mmc; + if (argc != 2) + return CMD_RET_USAGE; + + mmc = find_mmc_device(curr_device); if (!mmc) { printf("no mmc device at slot %x\n", curr_device); return 1; @@ -179,8 +197,12 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; } else if (strncmp(argv[1], "part", 4) == 0) { block_dev_desc_t *mmc_dev; - struct mmc *mmc = find_mmc_device(curr_device); + struct mmc *mmc; + + if (argc != 2) + return CMD_RET_USAGE; + mmc = find_mmc_device(curr_device); if (!mmc) { printf("no mmc device at slot %x\n", curr_device); return 1; @@ -196,6 +218,8 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) puts("get mmc type error!\n"); return 1; } else if (strcmp(argv[1], "list") == 0) { + if (argc != 2) + return CMD_RET_USAGE; print_mmc_devices('\n'); return 0; } else if (strcmp(argv[1], "dev") == 0) { @@ -236,7 +260,7 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (!ret) mmc->part_num = part; - printf("switch to partions #%d, %s\n", + printf("switch to partitions #%d, %s\n", part, (!ret) ? "OK" : "ERROR"); } } @@ -248,16 +272,103 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) curr_device, mmc->part_num); return 0; +#ifdef CONFIG_SUPPORT_EMMC_BOOT + } else if ((strcmp(argv[1], "open") == 0) || + (strcmp(argv[1], "close") == 0)) { + int dev; + struct mmc *mmc; + u8 part_num, access = 0; + + if (argc == 4) { + dev = simple_strtoul(argv[2], NULL, 10); + part_num = simple_strtoul(argv[3], 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)) { + printf("SD device cannot be opened/closed\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"); + 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 */ + + /* acknowledge to be sent during boot operation */ + return boot_part_access(mmc, 1, part_num, access); + + } else if (strcmp(argv[1], "bootpart") == 0) { + int dev; + dev = simple_strtoul(argv[2], NULL, 10); + + u32 bootsize = simple_strtoul(argv[3], NULL, 10); + u32 rpmbsize = simple_strtoul(argv[4], NULL, 10); + struct mmc *mmc = find_mmc_device(dev); + if (!mmc) { + printf("no mmc device at slot %x\n", dev); + return 1; + } + + if (IS_SD(mmc)) { + printf("It is not a EMMC device\n"); + return 1; + } + + if (0 == mmc_boot_partition_size_change(mmc, + bootsize, rpmbsize)) { + printf("EMMC boot partition Size %d MB\n", bootsize); + printf("EMMC RPMB partition Size %d MB\n", rpmbsize); + return 0; + } else { + printf("EMMC boot partition Size change Failed.\n"); + return 1; + } +#endif /* CONFIG_SUPPORT_EMMC_BOOT */ } - if (strcmp(argv[1], "read") == 0) + else if (argc == 3 && strcmp(argv[1], "setdsr") == 0) { + struct mmc *mmc = find_mmc_device(curr_device); + u32 val = simple_strtoul(argv[2], NULL, 16); + int ret; + + if (!mmc) { + printf("no mmc device at slot %x\n", curr_device); + return 1; + } + ret = mmc_set_dsr(mmc, val); + printf("set dsr %s\n", (!ret) ? "OK, force rescan" : "ERROR"); + if (!ret) { + mmc->has_init = 0; + if (mmc_init(mmc)) + return 1; + else + return 0; + } + return ret; + } + + state = MMC_INVALID; + if (argc == 5 && strcmp(argv[1], "read") == 0) state = MMC_READ; - else if (strcmp(argv[1], "write") == 0) + else if (argc == 5 && strcmp(argv[1], "write") == 0) state = MMC_WRITE; - else if (strcmp(argv[1], "erase") == 0) + else if (argc == 4 && strcmp(argv[1], "erase") == 0) state = MMC_ERASE; - else - state = MMC_INVALID; if (state != MMC_INVALID) { struct mmc *mmc = find_mmc_device(curr_device); @@ -283,6 +394,13 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) mmc_init(mmc); + if ((state == MMC_WRITE || state == MMC_ERASE)) { + if (mmc_getwp(mmc) == 1) { + printf("Error: card is write protected!\n"); + return 1; + } + } + switch (state) { case MMC_READ: n = mmc->block_dev.block_read(curr_device, blk, @@ -318,5 +436,15 @@ U_BOOT_CMD( "mmc rescan\n" "mmc part - lists available partition on current mmc device\n" "mmc dev [dev] [part] - show or set current mmc device [partition]\n" - "mmc list - lists available devices"); + "mmc list - lists available devices\n" +#ifdef CONFIG_SUPPORT_EMMC_BOOT + "mmc open \n" + " - Enable boot_part for booting and enable R/W access of boot_part\n" + "mmc close \n" + " - Enable boot_part for booting and disable access to boot_part\n" + "mmc bootpart \n" + " - change sizes of boot and RPMB partitions of specified device\n" #endif + "mmc setdsr - set DSR register value\n" + ); +#endif /* !CONFIG_GENERIC_MMC */