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