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/*
* (C) Copyright 2003
* Kyle Harris, kharris@nexus-tech.net
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <console.h>
#include <mmc.h>
static int curr_device = -1;
#ifndef CONFIG_GENERIC_MMC
int do_mmc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
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(
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)
{
int i;
printf("Device: %s\n", mmc->cfg->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", IS_SD(mmc) ? "SD" : "MMC",
EXTRACT_SDMMC_MAJOR_VERSION(mmc->version),
EXTRACT_SDMMC_MINOR_VERSION(mmc->version));
if (EXTRACT_SDMMC_CHANGE_VERSION(mmc->version) != 0)
printf(".%d", EXTRACT_SDMMC_CHANGE_VERSION(mmc->version));
printf("\n");
printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
puts("Capacity: ");
print_size(mmc->capacity, "\n");
printf("Bus Width: %d-bit%s\n", mmc->bus_width,
mmc->ddr_mode ? " DDR" : "");
puts("Erase Group Size: ");
print_size(((u64)mmc->erase_grp_size) << 9, "\n");
if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
puts("HC WP Group Size: ");
print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
puts("User Capacity: ");
print_size(mmc->capacity_user, usr_enh ? " ENH" : "");
if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_USR)
puts(" WRREL\n");
else
putc('\n');
if (usr_enh) {
puts("User Enhanced Start: ");
print_size(mmc->enh_user_start, "\n");
puts("User Enhanced Size: ");
print_size(mmc->enh_user_size, "\n");
}
puts("Boot Capacity: ");
print_size(mmc->capacity_boot, has_enh ? " ENH\n" : "\n");
puts("RPMB Capacity: ");
print_size(mmc->capacity_rpmb, has_enh ? " ENH\n" : "\n");
for (i = 0; i < ARRAY_SIZE(mmc->capacity_gp); i++) {
bool is_enh = has_enh &&
(mmc->part_attr & EXT_CSD_ENH_GP(i));
if (mmc->capacity_gp[i]) {
printf("GP%i Capacity: ", i+1);
print_size(mmc->capacity_gp[i],
is_enh ? " ENH" : "");
if (mmc->wr_rel_set & EXT_CSD_WR_DATA_REL_GP(i))
puts(" WRREL\n");
else
putc('\n');
}
}
}
}
static struct mmc *init_mmc_device(int dev, bool force_init)
{
struct mmc *mmc;
mmc = find_mmc_device(dev);
if (!mmc) {
printf("no mmc device at slot %x\n", dev);
return NULL;
}
if (force_init)
mmc->has_init = 0;
if (mmc_init(mmc))
return NULL;
return mmc;
}
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 = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
print_mmcinfo(mmc);
return CMD_RET_SUCCESS;
}
#ifdef CONFIG_SUPPORT_EMMC_RPMB
static int confirm_key_prog(void)
{
puts("Warning: Programming authentication key can be done only once !\n"
" Use this command only if you are sure of what you are doing,\n"
"Really perform the key programming? <y/N> ");
if (confirm_yesno())
return 1;
puts("Authentication key programming aborted\n");
return 0;
}
static int do_mmcrpmb_key(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
void *key_addr;
struct mmc *mmc = find_mmc_device(curr_device);
if (argc != 2)
return CMD_RET_USAGE;
key_addr = (void *)simple_strtoul(argv[1], NULL, 16);
if (!confirm_key_prog())
return CMD_RET_FAILURE;
if (mmc_rpmb_set_key(mmc, key_addr)) {
printf("ERROR - Key already programmed ?\n");
return CMD_RET_FAILURE;
}
return CMD_RET_SUCCESS;
}
static int do_mmcrpmb_read(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
u16 blk, cnt;
void *addr;
int n;
void *key_addr = NULL;
struct mmc *mmc = find_mmc_device(curr_device);
if (argc < 4)
return CMD_RET_USAGE;
addr = (void *)simple_strtoul(argv[1], NULL, 16);
blk = simple_strtoul(argv[2], NULL, 16);
cnt = simple_strtoul(argv[3], NULL, 16);
if (argc == 5)
key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
printf("\nMMC RPMB read: dev # %d, block # %d, count %d ... ",
curr_device, blk, cnt);
n = mmc_rpmb_read(mmc, addr, blk, cnt, key_addr);
printf("%d RPMB blocks read: %s\n", n, (n == cnt) ? "OK" : "ERROR");
if (n != cnt)
return CMD_RET_FAILURE;
return CMD_RET_SUCCESS;
}
static int do_mmcrpmb_write(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
u16 blk, cnt;
void *addr;
int n;
void *key_addr;
struct mmc *mmc = find_mmc_device(curr_device);
if (argc != 5)
return CMD_RET_USAGE;
addr = (void *)simple_strtoul(argv[1], NULL, 16);
blk = simple_strtoul(argv[2], NULL, 16);
cnt = simple_strtoul(argv[3], NULL, 16);
key_addr = (void *)simple_strtoul(argv[4], NULL, 16);
printf("\nMMC RPMB write: dev # %d, block # %d, count %d ... ",
curr_device, blk, cnt);
n = mmc_rpmb_write(mmc, addr, blk, cnt, key_addr);
printf("%d RPMB blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
if (n != cnt)
return CMD_RET_FAILURE;
return CMD_RET_SUCCESS;
}
static int do_mmcrpmb_counter(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
unsigned long counter;
struct mmc *mmc = find_mmc_device(curr_device);
if (mmc_rpmb_get_counter(mmc, &counter))
return CMD_RET_FAILURE;
printf("RPMB Write counter= %lx\n", counter);
return CMD_RET_SUCCESS;
}
static cmd_tbl_t cmd_rpmb[] = {
U_BOOT_CMD_MKENT(key, 2, 0, do_mmcrpmb_key, "", ""),
U_BOOT_CMD_MKENT(read, 5, 1, do_mmcrpmb_read, "", ""),
U_BOOT_CMD_MKENT(write, 5, 0, do_mmcrpmb_write, "", ""),
U_BOOT_CMD_MKENT(counter, 1, 1, do_mmcrpmb_counter, "", ""),
};
static int do_mmcrpmb(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
cmd_tbl_t *cp;
struct mmc *mmc;
char original_part;
int ret;
cp = find_cmd_tbl(argv[1], cmd_rpmb, ARRAY_SIZE(cmd_rpmb));
/* Drop the rpmb subcommand */
argc--;
argv++;
if (cp == NULL || argc > cp->maxargs)
return CMD_RET_USAGE;
if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
return CMD_RET_SUCCESS;
mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
if (!(mmc->version & MMC_VERSION_MMC)) {
printf("It is not a EMMC device\n");
return CMD_RET_FAILURE;
}
if (mmc->version < MMC_VERSION_4_41) {
printf("RPMB not supported before version 4.41\n");
return CMD_RET_FAILURE;
}
/* Switch to the RPMB partition */
original_part = mmc->part_num;
if (mmc->part_num != MMC_PART_RPMB) {
if (mmc_switch_part(curr_device, MMC_PART_RPMB) != 0)
return CMD_RET_FAILURE;
mmc->part_num = MMC_PART_RPMB;
}
ret = cp->cmd(cmdtp, flag, argc, argv);
/* Return to original partition */
if (mmc->part_num != original_part) {
if (mmc_switch_part(curr_device, original_part) != 0)
return CMD_RET_FAILURE;
mmc->part_num = original_part;
}
return ret;
}
#endif
static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
struct mmc *mmc;
u32 blk, cnt, n;
void *addr;
if (argc != 4)
return CMD_RET_USAGE;
addr = (void *)simple_strtoul(argv[1], NULL, 16);
blk = simple_strtoul(argv[2], NULL, 16);
cnt = simple_strtoul(argv[3], NULL, 16);
mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
printf("\nMMC read: dev # %d, block # %d, count %d ... ",
curr_device, blk, cnt);
n = mmc->block_dev.block_read(curr_device, 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) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
struct mmc *mmc;
u32 blk, cnt, n;
void *addr;
if (argc != 4)
return CMD_RET_USAGE;
addr = (void *)simple_strtoul(argv[1], NULL, 16);
blk = simple_strtoul(argv[2], NULL, 16);
cnt = simple_strtoul(argv[3], NULL, 16);
mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
printf("\nMMC write: dev # %d, block # %d, count %d ... ",
curr_device, blk, cnt);
if (mmc_getwp(mmc) == 1) {
printf("Error: card is write protected!\n");
return CMD_RET_FAILURE;
}
n = mmc->block_dev.block_write(curr_device, blk, cnt, addr);
printf("%d blocks written: %s\n", n, (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
struct mmc *mmc;
u32 blk, cnt, n;
if (argc != 3)
return CMD_RET_USAGE;
blk = simple_strtoul(argv[1], NULL, 16);
cnt = simple_strtoul(argv[2], NULL, 16);
mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
curr_device, blk, cnt);
if (mmc_getwp(mmc) == 1) {
printf("Error: card is write protected!\n");
return CMD_RET_FAILURE;
}
n = mmc->block_dev.block_erase(curr_device, blk, cnt);
printf("%d blocks erased: %s\n", n, (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
struct mmc *mmc;
mmc = init_mmc_device(curr_device, true);
if (!mmc)
return CMD_RET_FAILURE;
return CMD_RET_SUCCESS;
}
static int do_mmc_part(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
block_dev_desc_t *mmc_dev;
struct mmc *mmc;
mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
mmc_dev = mmc_get_dev(curr_device);
if (mmc_dev != NULL && mmc_dev->type != DEV_TYPE_UNKNOWN) {
print_part(mmc_dev);
return CMD_RET_SUCCESS;
}
puts("get mmc type error!\n");
return CMD_RET_FAILURE;
}
static int do_mmc_dev(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
int dev, part = 0, ret;
struct mmc *mmc;
if (argc == 1) {
dev = curr_device;
} else if (argc == 2) {
dev = simple_strtoul(argv[1], NULL, 10);
} else if (argc == 3) {
dev = (int)simple_strtoul(argv[1], NULL, 10);
part = (int)simple_strtoul(argv[2], NULL, 10);
if (part > PART_ACCESS_MASK) {
printf("#part_num shouldn't be larger than %d\n",
PART_ACCESS_MASK);
return CMD_RET_FAILURE;
}
} else {
return CMD_RET_USAGE;
}
mmc = init_mmc_device(dev, true);
if (!mmc)
return CMD_RET_FAILURE;
ret = mmc_select_hwpart(dev, part);
printf("switch to partitions #%d, %s\n",
part, (!ret) ? "OK" : "ERROR");
if (ret)
return 1;
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 CMD_RET_SUCCESS;
}
static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
print_mmc_devices('\n');
return CMD_RET_SUCCESS;
}
static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
int argc, char * const argv[])
{
int i = 0;
memset(&pconf->user, 0, sizeof(pconf->user));
while (i < argc) {
if (!strcmp(argv[i], "enh")) {
if (i + 2 >= argc)
return -1;
pconf->user.enh_start =
simple_strtoul(argv[i+1], NULL, 10);
pconf->user.enh_size =
simple_strtoul(argv[i+2], NULL, 10);
i += 3;
} else if (!strcmp(argv[i], "wrrel")) {
if (i + 1 >= argc)
return -1;
pconf->user.wr_rel_change = 1;
if (!strcmp(argv[i+1], "on"))
pconf->user.wr_rel_set = 1;
else if (!strcmp(argv[i+1], "off"))
pconf->user.wr_rel_set = 0;
else
return -1;
i += 2;
} else {
break;
}
}
return i;
}
static int parse_hwpart_gp(struct mmc_hwpart_conf *pconf, int pidx,
int argc, char * const argv[])
{
int i;
memset(&pconf->gp_part[pidx], 0, sizeof(pconf->gp_part[pidx]));
if (1 >= argc)
return -1;
pconf->gp_part[pidx].size = simple_strtoul(argv[0], NULL, 10);
i = 1;
while (i < argc) {
if (!strcmp(argv[i], "enh")) {
pconf->gp_part[pidx].enhanced = 1;
i += 1;
} else if (!strcmp(argv[i], "wrrel")) {
if (i + 1 >= argc)
return -1;
pconf->gp_part[pidx].wr_rel_change = 1;
if (!strcmp(argv[i+1], "on"))
pconf->gp_part[pidx].wr_rel_set = 1;
else if (!strcmp(argv[i+1], "off"))
pconf->gp_part[pidx].wr_rel_set = 0;
else
return -1;
i += 2;
} else {
break;
}
}
return i;
}
static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
struct mmc *mmc;
struct mmc_hwpart_conf pconf = { };
enum mmc_hwpart_conf_mode mode = MMC_HWPART_CONF_CHECK;
int i, r, pidx;
mmc = init_mmc_device(curr_device, false);
if (!mmc)
return CMD_RET_FAILURE;
if (argc < 1)
return CMD_RET_USAGE;
i = 1;
while (i < argc) {
if (!strcmp(argv[i], "user")) {
i++;
r = parse_hwpart_user(&pconf, argc-i, &argv[i]);
if (r < 0)
return CMD_RET_USAGE;
i += r;
} else if (!strncmp(argv[i], "gp", 2) &&
strlen(argv[i]) == 3 &&
argv[i][2] >= '1' && argv[i][2] <= '4') {
pidx = argv[i][2] - '1';
i++;
r = parse_hwpart_gp(&pconf, pidx, argc-i, &argv[i]);
if (r < 0)
return CMD_RET_USAGE;
i += r;
} else if (!strcmp(argv[i], "check")) {
mode = MMC_HWPART_CONF_CHECK;
i++;
} else if (!strcmp(argv[i], "set")) {
mode = MMC_HWPART_CONF_SET;
i++;
} else if (!strcmp(argv[i], "complete")) {
mode = MMC_HWPART_CONF_COMPLETE;
i++;
} else {
return CMD_RET_USAGE;
}
}
puts("Partition configuration:\n");
if (pconf.user.enh_size) {
puts("\tUser Enhanced Start: ");
print_size(((u64)pconf.user.enh_start) << 9, "\n");
puts("\tUser Enhanced Size: ");
print_size(((u64)pconf.user.enh_size) << 9, "\n");
} else {
puts("\tNo enhanced user data area\n");
}
if (pconf.user.wr_rel_change)
printf("\tUser partition write reliability: %s\n",
pconf.user.wr_rel_set ? "on" : "off");
for (pidx = 0; pidx < 4; pidx++) {
if (pconf.gp_part[pidx].size) {
printf("\tGP%i Capacity: ", pidx+1);
print_size(((u64)pconf.gp_part[pidx].size) << 9,
pconf.gp_part[pidx].enhanced ?
" ENH\n" : "\n");
} else {
printf("\tNo GP%i partition\n", pidx+1);
}
if (pconf.gp_part[pidx].wr_rel_change)
printf("\tGP%i write reliability: %s\n", pidx+1,
pconf.gp_part[pidx].wr_rel_set ? "on" : "off");
}
if (!mmc_hwpart_config(mmc, &pconf, mode)) {
if (mode == MMC_HWPART_CONF_COMPLETE)
puts("Partitioning successful, "
"power-cycle to make effective\n");
return CMD_RET_SUCCESS;
} else {
puts("Failed!\n");
return CMD_RET_FAILURE;
}
}
#ifdef CONFIG_SUPPORT_EMMC_BOOT
static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
int dev;
struct mmc *mmc;
u8 width, reset, mode;
if (argc != 5)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[1], NULL, 10);
width = simple_strtoul(argv[2], NULL, 10);
reset = simple_strtoul(argv[3], NULL, 10);
mode = simple_strtoul(argv[4], NULL, 10);
mmc = init_mmc_device(dev, false);
if (!mmc)
return CMD_RET_FAILURE;
if (IS_SD(mmc)) {
puts("BOOT_BUS_WIDTH only exists on eMMC\n");
return CMD_RET_FAILURE;
}
/* acknowledge to be sent during boot operation */
return mmc_set_boot_bus_width(mmc, width, reset, mode);
}
static int do_mmc_boot_resize(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
int dev;
struct mmc *mmc;
u32 bootsize, rpmbsize;
if (argc != 4)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[1], NULL, 10);
bootsize = simple_strtoul(argv[2], NULL, 10);
rpmbsize = simple_strtoul(argv[3], NULL, 10);
mmc = init_mmc_device(dev, false);
if (!mmc)
return CMD_RET_FAILURE;
if (IS_SD(mmc)) {
printf("It is not a EMMC device\n");
return CMD_RET_FAILURE;
}
if (mmc_boot_partition_size_change(mmc, bootsize, rpmbsize)) {
printf("EMMC boot partition Size change Failed.\n");
return CMD_RET_FAILURE;
}
printf("EMMC boot partition Size %d MB\n", bootsize);
printf("EMMC RPMB partition Size %d MB\n", rpmbsize);
return CMD_RET_SUCCESS;
}
static int do_mmc_partconf(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
int dev;
struct mmc *mmc;
u8 ack, part_num, access;
if (argc != 5)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[1], NULL, 10);
ack = simple_strtoul(argv[2], NULL, 10);
part_num = simple_strtoul(argv[3], NULL, 10);
access = simple_strtoul(argv[4], NULL, 10);
mmc = init_mmc_device(dev, false);
if (!mmc)
return CMD_RET_FAILURE;
if (IS_SD(mmc)) {
puts("PARTITION_CONFIG only exists on eMMC\n");
return CMD_RET_FAILURE;
}
/* acknowledge to be sent during boot operation */
return mmc_set_part_conf(mmc, ack, part_num, access);
}
static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
int dev;
struct mmc *mmc;
u8 enable;
/*
* Set the RST_n_ENABLE bit of RST_n_FUNCTION
* The only valid values are 0x0, 0x1 and 0x2 and writing
* a value of 0x1 or 0x2 sets the value permanently.
*/
if (argc != 3)
return CMD_RET_USAGE;
dev = simple_strtoul(argv[1], NULL, 10);
enable = simple_strtoul(argv[2], NULL, 10);
if (enable > 2 || enable < 0) {
puts("Invalid RST_n_ENABLE value\n");
return CMD_RET_USAGE;
}
mmc = init_mmc_device(dev, false);
if (!mmc)
return CMD_RET_FAILURE;
if (IS_SD(mmc)) {
puts("RST_n_FUNCTION only exists on eMMC\n");
return CMD_RET_FAILURE;
}
return mmc_set_rst_n_function(mmc, enable);
}
#endif
static int do_mmc_setdsr(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
struct mmc *mmc;
u32 val;
int ret;
if (argc != 2)
return CMD_RET_USAGE;
val = simple_strtoul(argv[2], NULL, 16);
mmc = find_mmc_device(curr_device);
if (!mmc) {
printf("no mmc device at slot %x\n", curr_device);
return CMD_RET_FAILURE;
}
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 CMD_RET_FAILURE;
else
return CMD_RET_SUCCESS;
}
return ret;
}
static cmd_tbl_t cmd_mmc[] = {
U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
#ifdef CONFIG_SUPPORT_EMMC_BOOT
U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),
U_BOOT_CMD_MKENT(partconf, 5, 0, do_mmc_partconf, "", ""),
U_BOOT_CMD_MKENT(rst-function, 3, 0, do_mmc_rst_func, "", ""),
#endif
#ifdef CONFIG_SUPPORT_EMMC_RPMB
U_BOOT_CMD_MKENT(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
#endif
U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
};
static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *cp;
cp = find_cmd_tbl(argv[1], cmd_mmc, ARRAY_SIZE(cmd_mmc));
/* Drop the mmc command */
argc--;
argv++;
if (cp == NULL || argc > cp->maxargs)
return CMD_RET_USAGE;
if (flag == CMD_FLAG_REPEAT && !cp->repeatable)
return CMD_RET_SUCCESS;
if (curr_device < 0) {
if (get_mmc_num() > 0) {
curr_device = 0;
} else {
puts("No MMC device available\n");
return CMD_RET_FAILURE;
}
}
return cp->cmd(cmdtp, flag, argc, argv);
}
U_BOOT_CMD(
mmc, 29, 1, do_mmcops,
"MMC sub system",
"info - display info of the current MMC device\n"
"mmc 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\n"
"mmc hwpartition [args...] - does hardware partitioning\n"
" arguments (sizes in 512-byte blocks):\n"
" [user [enh start cnt] [wrrel {on|off}]] - sets user data area attributes\n"
" [gp1|gp2|gp3|gp4 cnt [enh] [wrrel {on|off}]] - general purpose partition\n"
" [check|set|complete] - mode, complete set partitioning completed\n"
" WARNING: Partitioning is a write-once setting once it is set to complete.\n"
" Power cycling is required to initialize partitions after set to complete.\n"
#ifdef CONFIG_SUPPORT_EMMC_BOOT
"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"
"mmc rst-function dev value\n"
" - Change the RST_n_FUNCTION field of the specified device\n"
" WARNING: This is a write-once field and 0 / 1 / 2 are the only valid values.\n"
#endif
#ifdef CONFIG_SUPPORT_EMMC_RPMB
"mmc rpmb read addr blk# cnt [address of auth-key] - block size is 256 bytes\n"
"mmc rpmb write addr blk# cnt <address of auth-key> - block size is 256 bytes\n"
"mmc rpmb key <address of auth-key> - program the RPMB authentication key.\n"
"mmc rpmb counter - read the value of the write counter\n"
#endif
"mmc setdsr <value> - set DSR register value\n"
);
/* Old command kept for compatibility. Same as 'mmc info' */
U_BOOT_CMD(
mmcinfo, 1, 0, do_mmcinfo,
"display MMC info",
"- display info of the current MMC device"
);
#endif /* !CONFIG_GENERIC_MMC */