--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Kyle Harris, kharris@nexus-tech.net
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <mmc.h>
+
+static int curr_device = -1;
+#ifndef CONFIG_GENERIC_MMC
+int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int dev;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ if (strcmp(argv[1], "init") == 0) {
+ if (argc == 2) {
+ if (curr_device < 0)
+ dev = 1;
+ else
+ dev = curr_device;
+ } else if (argc == 3) {
+ dev = (int)simple_strtoul(argv[2], NULL, 10);
+ } else {
+ return CMD_RET_USAGE;
+ }
+
+ if (mmc_legacy_init(dev) != 0) {
+ puts("No MMC card found\n");
+ return 1;
+ }
+
+ curr_device = dev;
+ printf("mmc%d is available\n", curr_device);
+ } else if (strcmp(argv[1], "device") == 0) {
+ if (argc == 2) {
+ if (curr_device < 0) {
+ puts("No MMC device available\n");
+ return 1;
+ }
+ } else if (argc == 3) {
+ dev = (int)simple_strtoul(argv[2], NULL, 10);
+
+#ifdef CONFIG_SYS_MMC_SET_DEV
+ if (mmc_set_dev(dev) != 0)
+ return 1;
+#endif
+ curr_device = dev;
+ } else {
+ return CMD_RET_USAGE;
+ }
+
+ printf("mmc%d is current device\n", curr_device);
+ } else {
+ return CMD_RET_USAGE;
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ mmc, 3, 1, do_mmc,
+ "MMC sub-system",
+ "init [dev] - init MMC sub system\n"
+ "mmc device [dev] - show or set current device"
+);
+#else /* !CONFIG_GENERIC_MMC */
+
+enum mmc_state {
+ MMC_INVALID,
+ MMC_READ,
+ MMC_WRITE,
+ MMC_ERASE,
+};
+static void print_mmcinfo(struct mmc *mmc)
+{
+ printf("Device: %s\n", mmc->cfg->name);
+ printf("Manufacturer ID: %x\n", mmc->cid[0] >> 24);
+ printf("OEM: %x\n", (mmc->cid[0] >> 8) & 0xffff);
+ printf("Name: %c%c%c%c%c \n", mmc->cid[0] & 0xff,
+ (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff,
+ (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff);
+
+ printf("Tran Speed: %d\n", mmc->tran_speed);
+ printf("Rd Block Len: %d\n", mmc->read_bl_len);
+
+ printf("%s version %d.%d\n", IS_SD(mmc) ? "SD" : "MMC",
+ (mmc->version >> 8) & 0xf, mmc->version & 0xff);
+
+ printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
+ puts("Capacity: ");
+ print_size(mmc->capacity, "\n");
+
+ printf("Bus Width: %d-bit\n", mmc->bus_width);
+}
+
+static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ struct mmc *mmc;
+
+ if (curr_device < 0) {
+ if (get_mmc_num() > 0)
+ curr_device = 0;
+ else {
+ puts("No MMC device available\n");
+ return 1;
+ }
+ }
+
+ mmc = find_mmc_device(curr_device);
+
+ if (mmc) {
+ mmc_init(mmc);
+
+ print_mmcinfo(mmc);
+ return 0;
+ } else {
+ printf("no mmc device at slot %x\n", curr_device);
+ return 1;
+ }
+}
+
+U_BOOT_CMD(
+ mmcinfo, 1, 0, do_mmcinfo,
+ "display MMC info",
+ "- display info of the current MMC device"
+);
+
+static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ enum mmc_state state;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ if (curr_device < 0) {
+ if (get_mmc_num() > 0)
+ curr_device = 0;
+ else {
+ puts("No MMC device available\n");
+ return 1;
+ }
+ }
+
+ if (strcmp(argv[1], "rescan") == 0) {
+ 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;
+ }
+
+ mmc->has_init = 0;
+
+ if (mmc_init(mmc))
+ return 1;
+ else
+ return 0;
+ } else if (strcmp(argv[1], "part") == 0) {
+ block_dev_desc_t *mmc_dev;
+ 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;
+ }
+ mmc_init(mmc);
+ mmc_dev = mmc_get_dev(curr_device);
+ if (mmc_dev != NULL &&
+ mmc_dev->type != DEV_TYPE_UNKNOWN) {
+ print_part(mmc_dev);
+ return 0;
+ }
+
+ 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) {
+ int dev, part = -1;
+ struct mmc *mmc;
+
+ if (argc == 2)
+ dev = curr_device;
+ else if (argc == 3)
+ dev = simple_strtoul(argv[2], NULL, 10);
+ else if (argc == 4) {
+ dev = (int)simple_strtoul(argv[2], NULL, 10);
+ part = (int)simple_strtoul(argv[3], NULL, 10);
+ if (part > PART_ACCESS_MASK) {
+ printf("#part_num shouldn't be larger"
+ " than %d\n", PART_ACCESS_MASK);
+ return 1;
+ }
+ } else
+ return CMD_RET_USAGE;
+
+ mmc = find_mmc_device(dev);
+ if (!mmc) {
+ printf("no mmc device at slot %x\n", dev);
+ return 1;
+ }
+
+ mmc_init(mmc);
+ if (part != -1) {
+ int ret;
+ if (mmc->part_config == MMCPART_NOAVAILABLE) {
+ printf("Card doesn't support part_switch\n");
+ return 1;
+ }
+
+ if (part != mmc->part_num) {
+ ret = mmc_switch_part(dev, part);
+ if (!ret)
+ mmc->part_num = part;
+
+ printf("switch to partitions #%d, %s\n",
+ part, (!ret) ? "OK" : "ERROR");
+ }
+ }
+ curr_device = dev;
+ if (mmc->part_config == MMCPART_NOAVAILABLE)
+ printf("mmc%d is current device\n", curr_device);
+ else
+ printf("mmc%d(part %d) is current device\n",
+ curr_device, mmc->part_num);
+
+ return 0;
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+ } else if (strcmp(argv[1], "partconf") == 0) {
+ int dev;
+ struct mmc *mmc;
+ u8 ack, part_num, access;
+
+ if (argc == 6) {
+ dev = simple_strtoul(argv[2], 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;
+ }
+
+ mmc = find_mmc_device(dev);
+ if (!mmc) {
+ printf("no mmc device at slot %x\n", dev);
+ return 1;
+ }
+
+ if (IS_SD(mmc)) {
+ puts("PARTITION_CONFIG only exists on eMMC\n");
+ return 1;
+ }
+
+ /* 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;
+ u32 bootsize, rpmbsize;
+
+ 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;
+ }
+
+ 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;
+ }
+ } else if (strcmp(argv[1], "rst-function") == 0) {
+ /*
+ * Set the RST_n_ENABLE bit of RST_n_FUNCTION
+ * The only valid values are 0x0, 0x1 and 0x2 and writing
+ * a value of 0x1 or 0x2 sets the value permanently.
+ */
+ int dev;
+ struct mmc *mmc;
+ u8 enable;
+
+ if (argc == 4) {
+ dev = simple_strtoul(argv[2], NULL, 10);
+ enable = simple_strtoul(argv[3], NULL, 10);
+ } else {
+ return CMD_RET_USAGE;
+ }
+
+ if (enable > 2 || enable < 0) {
+ puts("Invalid RST_n_ENABLE value\n");
+ 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("RST_n_FUNCTION only exists on eMMC\n");
+ return 1;
+ }
+
+ return mmc_set_rst_n_function(mmc, enable);
+#endif /* CONFIG_SUPPORT_EMMC_BOOT */
+ }
+
+ 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 (argc == 5 && strcmp(argv[1], "write") == 0)
+ state = MMC_WRITE;
+ else if (argc == 4 && strcmp(argv[1], "erase") == 0)
+ state = MMC_ERASE;
+
+ if (state != MMC_INVALID) {
+ struct mmc *mmc = find_mmc_device(curr_device);
+ int idx = 2;
+ u32 blk, cnt, n;
+ void *addr;
+
+ if (state != MMC_ERASE) {
+ addr = (void *)simple_strtoul(argv[idx], NULL, 16);
+ ++idx;
+ } else
+ addr = NULL;
+ blk = simple_strtoul(argv[idx], NULL, 16);
+ cnt = simple_strtoul(argv[idx + 1], NULL, 16);
+
+ if (!mmc) {
+ printf("no mmc device at slot %x\n", curr_device);
+ return 1;
+ }
+
+ printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
+ argv[1], curr_device, blk, cnt);
+
+ 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,
+ cnt, addr);
+ /* flush cache after read */
+ flush_cache((ulong)addr, cnt * 512); /* FIXME */
+ break;
+ case MMC_WRITE:
+ n = mmc->block_dev.block_write(curr_device, blk,
+ cnt, addr);
+ break;
+ case MMC_ERASE:
+ n = mmc->block_dev.block_erase(curr_device, blk, cnt);
+ break;
+ default:
+ BUG();
+ }
+
+ printf("%d blocks %s: %s\n",
+ n, argv[1], (n == cnt) ? "OK" : "ERROR");
+ return (n == cnt) ? 0 : 1;
+ }
+
+ return CMD_RET_USAGE;
+}
+
+U_BOOT_CMD(
+ mmc, 6, 1, do_mmcops,
+ "MMC sub system",
+ "read addr blk# cnt\n"
+ "mmc write addr blk# cnt\n"
+ "mmc erase blk# cnt\n"
+ "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\n"
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+ "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"
+ "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
+ "mmc setdsr - set DSR register value\n"
+ );
+#endif /* !CONFIG_GENERIC_MMC */
Code Review / kvmfornfv.git / blobdiff