* (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>
"- display info of the current MMC device"
);
-#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;
return 1;
else
return 0;
- } else if (strncmp(argv[1], "part", 4) == 0) {
+ } else if (strcmp(argv[1], "part") == 0) {
block_dev_desc_t *mmc_dev;
struct mmc *mmc;
if (!ret)
mmc->part_num = part;
- printf("switch to partions #%d, %s\n",
+ printf("switch to partitions #%d, %s\n",
part, (!ret) ? "OK" : "ERROR");
}
}
return 0;
#ifdef CONFIG_SUPPORT_EMMC_BOOT
- } else if ((strcmp(argv[1], "open") == 0) ||
- (strcmp(argv[1], "close") == 0)) {
+ } else if (strcmp(argv[1], "partconf") == 0) {
int dev;
struct mmc *mmc;
- u8 part_num, access = 0;
+ u8 ack, part_num, access;
- if (argc == 4) {
+ if (argc == 6) {
dev = simple_strtoul(argv[2], NULL, 10);
- part_num = simple_strtoul(argv[3], 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;
}
}
if (IS_SD(mmc)) {
- printf("SD device cannot be opened/closed\n");
+ puts("PARTITION_CONFIG only exists on eMMC\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");
+ /* 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 (strcmp(argv[1], "open") == 0)
- access = part_num; /* enable R/W access to boot part*/
- else
- access = 0; /* No access to boot partition */
+ if (IS_SD(mmc)) {
+ puts("BOOT_BUS_WIDTH only exists on eMMC\n");
+ return 1;
+ }
/* acknowledge to be sent during boot operation */
- return boot_part_access(mmc, 1, part_num, access);
-
- } else if (strcmp(argv[1], "bootpart") == 0) {
+ return mmc_set_boot_bus_width(mmc, width, reset, mode);
+ } else if (strcmp(argv[1], "bootpart-resize") == 0) {
int dev;
- dev = simple_strtoul(argv[2], NULL, 10);
+ 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;
+ }
- u32 bootsize = simple_strtoul(argv[3], NULL, 10);
- u32 rpmbsize = simple_strtoul(argv[4], NULL, 10);
- struct mmc *mmc = find_mmc_device(dev);
+ mmc = find_mmc_device(dev);
if (!mmc) {
printf("no mmc device at slot %x\n", dev);
return 1;
}
#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;
"mmc dev [dev] [part] - show or set current mmc device [partition]\n"
"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 partions of specified device\n"
+ "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"
#endif
+ "mmc setdsr - set DSR register value\n"
);
#endif /* !CONFIG_GENERIC_MMC */