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authorH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
commit92988a21ad4c4c9504295ccb580c9f806134471b (patch)
tree5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/common/cmd_mmc.c
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
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added boot script files to repository
Diffstat (limited to 'u-boot/common/cmd_mmc.c')
-rw-r--r--u-boot/common/cmd_mmc.c251
1 files changed, 251 insertions, 0 deletions
diff --git a/u-boot/common/cmd_mmc.c b/u-boot/common/cmd_mmc.c
new file mode 100644
index 0000000..4323f76
--- /dev/null
+++ b/u-boot/common/cmd_mmc.c
@@ -0,0 +1,251 @@
+/*
+ * (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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <mmc.h>
+
+#ifndef CONFIG_GENERIC_MMC
+static int curr_device = -1;
+
+int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int dev;
+
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+
+ 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_usage(cmdtp);
+ }
+
+ 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_usage(cmdtp);
+ }
+
+ printf("mmc%d is current device\n", curr_device);
+ } else {
+ return cmd_usage(cmdtp);
+ }
+
+ 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 */
+
+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");
+ printf("Capacity: %lld\n", mmc->capacity);
+
+ printf("Bus Width: %d-bit\n", mmc->bus_width);
+}
+
+int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ struct mmc *mmc;
+ int dev_num;
+
+ if (argc < 2)
+ dev_num = 0;
+ else
+ dev_num = simple_strtoul(argv[1], NULL, 0);
+
+ mmc = find_mmc_device(dev_num);
+
+ if (mmc) {
+ mmc_init(mmc);
+
+ print_mmcinfo(mmc);
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ mmcinfo, 2, 0, do_mmcinfo,
+ "display MMC info",
+ "<dev num>\n"
+ " - device number of the device to dislay info of\n"
+ ""
+);
+
+int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int rc = 0;
+
+ switch (argc) {
+ case 3:
+ if (strcmp(argv[1], "rescan") == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ struct mmc *mmc = find_mmc_device(dev);
+
+ if (!mmc)
+ return 1;
+
+ mmc_init(mmc);
+
+ return 0;
+ } else if (strncmp(argv[1], "part", 4) == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ block_dev_desc_t *mmc_dev;
+ struct mmc *mmc = find_mmc_device(dev);
+
+ if (!mmc) {
+ puts("no mmc devices available\n");
+ return 1;
+ }
+ mmc_init(mmc);
+ mmc_dev = mmc_get_dev(dev);
+ if (mmc_dev != NULL &&
+ mmc_dev->type != DEV_TYPE_UNKNOWN) {
+ print_part(mmc_dev);
+ return 0;
+ }
+
+ puts("get mmc type error!\n");
+ return 1;
+ }
+
+ case 0:
+ case 1:
+ case 4:
+ return cmd_usage(cmdtp);
+
+ case 2:
+ if (!strcmp(argv[1], "list")) {
+ print_mmc_devices('\n');
+ return 0;
+ }
+ return 1;
+ default: /* at least 5 args */
+ if (strcmp(argv[1], "read") == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
+ u32 cnt = simple_strtoul(argv[5], NULL, 16);
+ u32 n;
+ u32 blk = simple_strtoul(argv[4], NULL, 16);
+ struct mmc *mmc = find_mmc_device(dev);
+
+ if (!mmc)
+ return 1;
+
+ printf("\nMMC read: dev # %d, block # %d, count %d ... ",
+ dev, blk, cnt);
+
+ mmc_init(mmc);
+
+ n = mmc->block_dev.block_read(dev, blk, cnt, addr);
+
+ /* flush cache after read */
+ flush_cache((ulong)addr, cnt * 512); /* FIXME */
+
+ printf("%d blocks read: %s\n",
+ n, (n==cnt) ? "OK" : "ERROR");
+ return (n == cnt) ? 0 : 1;
+ } else if (strcmp(argv[1], "write") == 0) {
+ int dev = simple_strtoul(argv[2], NULL, 10);
+ void *addr = (void *)simple_strtoul(argv[3], NULL, 16);
+ u32 cnt = simple_strtoul(argv[5], NULL, 16);
+ u32 n;
+ struct mmc *mmc = find_mmc_device(dev);
+
+ int blk = simple_strtoul(argv[4], NULL, 16);
+
+ if (!mmc)
+ return 1;
+
+ printf("\nMMC write: dev # %d, block # %d, count %d ... ",
+ dev, blk, cnt);
+
+ mmc_init(mmc);
+
+ n = mmc->block_dev.block_write(dev, blk, cnt, addr);
+
+ printf("%d blocks written: %s\n",
+ n, (n == cnt) ? "OK" : "ERROR");
+ return (n == cnt) ? 0 : 1;
+ } else
+ rc = cmd_usage(cmdtp);
+
+ return rc;
+ }
+}
+
+U_BOOT_CMD(
+ mmc, 6, 1, do_mmcops,
+ "MMC sub system",
+ "read <device num> addr blk# cnt\n"
+ "mmc write <device num> addr blk# cnt\n"
+ "mmc rescan <device num>\n"
+ "mmc part <device num> - lists available partition on mmc\n"
+ "mmc list - lists available devices");
+#endif