upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/common/cmd_mmc.c

479 lines
11 KiB

/*
* (C) Copyright 2003
* Kyle Harris, kharris@nexus-tech.net
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.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 */
enum mmc_state {
MMC_INVALID,
MMC_READ,
MMC_WRITE,
MMC_ERASE,
};
static void print_mmcinfo(struct mmc *mmc)
{
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\n", IS_SD(mmc) ? "SD" : "MMC",
(mmc->version >> 8) & 0xf, mmc->version & 0xff);
printf("High Capacity: %s\n", mmc->high_capacity ? "Yes" : "No");
puts("Capacity: ");
print_size(mmc->capacity, "\n");
printf("Bus Width: %d-bit\n", mmc->bus_width);
}
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 = find_mmc_device(curr_device);
if (mmc) {
mmc_init(mmc);
print_mmcinfo(mmc);
return 0;
} else {
printf("no mmc device at slot %x\n", curr_device);
return 1;
}
}
U_BOOT_CMD(
mmcinfo, 1, 0, do_mmcinfo,
"display MMC info",
"- display info of the current MMC device"
);
static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
enum mmc_state state;
if (argc < 2)
return CMD_RET_USAGE;
if (curr_device < 0) {
if (get_mmc_num() > 0)
curr_device = 0;
else {
puts("No MMC device available\n");
return 1;
}
}
if (strcmp(argv[1], "rescan") == 0) {
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;
}
mmc->has_init = 0;
if (mmc_init(mmc))
return 1;
else
return 0;
} else if (strcmp(argv[1], "part") == 0) {
block_dev_desc_t *mmc_dev;
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;
}
mmc_init(mmc);
mmc_dev = mmc_get_dev(curr_device);
if (mmc_dev != NULL &&
mmc_dev->type != DEV_TYPE_UNKNOWN) {
print_part(mmc_dev);
return 0;
}
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) {
int dev, part = -1;
struct mmc *mmc;
if (argc == 2)
dev = curr_device;
else if (argc == 3)
dev = simple_strtoul(argv[2], NULL, 10);
else if (argc == 4) {
dev = (int)simple_strtoul(argv[2], NULL, 10);
part = (int)simple_strtoul(argv[3], NULL, 10);
if (part > PART_ACCESS_MASK) {
printf("#part_num shouldn't be larger"
" than %d\n", PART_ACCESS_MASK);
return 1;
}
} else
return CMD_RET_USAGE;
mmc = find_mmc_device(dev);
if (!mmc) {
printf("no mmc device at slot %x\n", dev);
return 1;
}
mmc_init(mmc);
if (part != -1) {
int ret;
if (mmc->part_config == MMCPART_NOAVAILABLE) {
printf("Card doesn't support part_switch\n");
return 1;
}
if (part != mmc->part_num) {
ret = mmc_switch_part(dev, part);
if (!ret)
mmc->part_num = part;
printf("switch to partitions #%d, %s\n",
part, (!ret) ? "OK" : "ERROR");
}
}
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 0;
#ifdef CONFIG_SUPPORT_EMMC_BOOT
} else if (strcmp(argv[1], "partconf") == 0) {
int dev;
struct mmc *mmc;
u8 ack, part_num, access;
if (argc == 6) {
dev = simple_strtoul(argv[2], 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;
}
mmc = find_mmc_device(dev);
if (!mmc) {
printf("no mmc device at slot %x\n", dev);
return 1;
}
if (IS_SD(mmc)) {
puts("PARTITION_CONFIG only exists on eMMC\n");
return 1;
}
/* 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 (IS_SD(mmc)) {
puts("BOOT_BUS_WIDTH only exists on eMMC\n");
return 1;
}
/* acknowledge to be sent during boot operation */
return mmc_set_boot_bus_width(mmc, width, reset, mode);
} else if (strcmp(argv[1], "bootpart-resize") == 0) {
int dev;
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;
}
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;
}
} else if (strcmp(argv[1], "rst-function") == 0) {
/*
* 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.
*/
int dev;
struct mmc *mmc;
u8 enable;
if (argc == 4) {
dev = simple_strtoul(argv[2], NULL, 10);
enable = simple_strtoul(argv[3], NULL, 10);
} else {
return CMD_RET_USAGE;
}
if (enable > 2 || enable < 0) {
puts("Invalid RST_n_ENABLE value\n");
return CMD_RET_USAGE;
}
mmc = find_mmc_device(dev);
if (!mmc) {
printf("no mmc device at slot %x\n", dev);
return 1;
}
if (IS_SD(mmc)) {
puts("RST_n_FUNCTION only exists on eMMC\n");
return 1;
}
return mmc_set_rst_n_function(mmc, enable);
#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;
else if (argc == 5 && strcmp(argv[1], "write") == 0)
state = MMC_WRITE;
else if (argc == 4 && strcmp(argv[1], "erase") == 0)
state = MMC_ERASE;
if (state != MMC_INVALID) {
struct mmc *mmc = find_mmc_device(curr_device);
int idx = 2;
u32 blk, cnt, n;
void *addr;
if (state != MMC_ERASE) {
addr = (void *)simple_strtoul(argv[idx], NULL, 16);
++idx;
} else
addr = NULL;
blk = simple_strtoul(argv[idx], NULL, 16);
cnt = simple_strtoul(argv[idx + 1], NULL, 16);
if (!mmc) {
printf("no mmc device at slot %x\n", curr_device);
return 1;
}
printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
argv[1], curr_device, blk, cnt);
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,
cnt, addr);
/* flush cache after read */
flush_cache((ulong)addr, cnt * 512); /* FIXME */
break;
case MMC_WRITE:
n = mmc->block_dev.block_write(curr_device, blk,
cnt, addr);
break;
case MMC_ERASE:
n = mmc->block_dev.block_erase(curr_device, blk, cnt);
break;
default:
BUG();
}
printf("%d blocks %s: %s\n",
n, argv[1], (n == cnt) ? "OK" : "ERROR");
return (n == cnt) ? 0 : 1;
}
return CMD_RET_USAGE;
}
U_BOOT_CMD(
mmc, 6, 1, do_mmcops,
"MMC sub system",
"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"
#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
"mmc setdsr - set DSR register value\n"
);
#endif /* !CONFIG_GENERIC_MMC */