]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - common/cmd_mmc.c
x86: Add CBMEM console driver for coreboot
[karo-tx-uboot.git] / common / cmd_mmc.c
index 25c970257d0b34844bcfc6734a65aaaaca0afe98..7dacd5114ce1416bf1cb5c9af5589cd62530becd 100644 (file)
 #include <command.h>
 #include <mmc.h>
 
-int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int curr_device = -1;
+#ifndef CONFIG_GENERIC_MMC
+int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-       if (mmc_init (1) != 0) {
-               printf ("No MMC card found\n");
-               return 1;
+       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(
-       mmcinit,        1,      0,      do_mmc,
-       "mmcinit - init mmc card\n",
-       NULL
+       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->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 >> 4) & 0xf, mmc->version & 0xf);
+
+       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 = 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 (strncmp(argv[1], "part", 4) == 0) {
+               block_dev_desc_t *mmc_dev;
+               struct mmc *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) {
+               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 partions #%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;
+       }
+
+       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);
+
+               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");
+#endif