* (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 <common.h>
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: ");
printf("Bus Width: %d-bit\n", mmc->bus_width);
}
-int do_mmcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct mmc *mmc;
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"
);
-int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+#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;
}
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;
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;
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) {
if (!ret)
mmc->part_num = part;
- printf("switch to partions #%d, %s\n",
+ printf("switch to partitions #%d, %s\n",
part, (!ret) ? "OK" : "ERROR");
}
}
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;
+ }
- if (strcmp(argv[1], "read") == 0)
+ 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 */
+ }
+ 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);
addr = (void *)simple_strtoul(argv[idx], NULL, 16);
++idx;
} else
- addr = 0;
+ addr = NULL;
blk = simple_strtoul(argv[idx], NULL, 16);
cnt = simple_strtoul(argv[idx + 1], NULL, 16);
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,
"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 <dev> <boot_partition>\n"
+ " - Enable boot_part for booting and enable R/W access of boot_part\n"
+ "mmc close <dev> <boot_partition>\n"
+ " - Enable boot_part for booting and disable access to boot_part\n"
+ "mmc bootpart <device num> <boot part size MB> <RPMB part size MB>\n"
+ " - change sizes of boot and RPMB partitions of specified device\n"
#endif
+ );
+#endif /* !CONFIG_GENERIC_MMC */
projects / karo-tx-uboot.git / blobdiff