#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)
{
return ret;
}
+#ifdef CONFIG_CMD_BKOPS_ENABLE
+static int do_mmc_bkops_enable(cmd_tbl_t *cmdtp, int flag,
+ int argc, char * const argv[])
+{
+ int dev;
+ struct mmc *mmc;
+
+ if (argc != 2)
+ return CMD_RET_USAGE;
+
+ dev = simple_strtoul(argv[1], NULL, 10);
+
+ mmc = init_mmc_device(dev, false);
+ if (!mmc)
+ return CMD_RET_FAILURE;
+
+ if (IS_SD(mmc)) {
+ puts("BKOPS_EN only exists on eMMC\n");
+ return CMD_RET_FAILURE;
+ }
+
+ return mmc_set_bkops_enable(mmc);
+}
+#endif
+
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(rpmb, CONFIG_SYS_MAXARGS, 1, do_mmcrpmb, "", ""),
#endif
U_BOOT_CMD_MKENT(setdsr, 2, 0, do_mmc_setdsr, "", ""),
+#ifdef CONFIG_CMD_BKOPS_ENABLE
+ U_BOOT_CMD_MKENT(bkops-enable, 2, 0, do_mmc_bkops_enable, "", ""),
+#endif
};
static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
"mmc rpmb counter - read the value of the write counter\n"
#endif
"mmc setdsr <value> - set DSR register value\n"
+#ifdef CONFIG_CMD_BKOPS_ENABLE
+ "mmc bkops-enable <dev> - enable background operations handshake on device\n"
+ " WARNING: This is a write-once setting.\n"
+#endif
);
/* Old command kept for compatibility. Same as 'mmc info' */
"display MMC info",
"- display info of the current MMC device"
);
-
-#endif /* !CONFIG_GENERIC_MMC */