Merge branch 'master' of git://git.denx.de/u-boot-mmc

19 files changed, 1009 insertions, 365 deletions

diff --git a/README b/README
index d6be596..a280435 100644
--- a/README
+++ b/README
@@ -1534,6 +1534,16 @@ The following options need to be configured:
 			CONFIG_SH_MMCIF_CLK
 			Define the clock frequency for MMCIF
 
+		CONFIG_GENERIC_MMC
+		Enable the generic MMC driver
+
+		CONFIG_SUPPORT_EMMC_BOOT
+		Enable some additional features of the eMMC boot partitions.
+
+		CONFIG_SUPPORT_EMMC_RPMB
+		Enable the commands for reading, writing and programming the
+		key for the Replay Protection Memory Block partition in eMMC.
+
 - USB Device Firmware Update (DFU) class support:
 		CONFIG_DFU_FUNCTION
 		This enables the USB portion of the DFU USB class
diff --git a/board/BuR/common/common.c b/board/BuR/common/common.c
index 4c926ce..25cbe62 100644
--- a/board/BuR/common/common.c
+++ b/board/BuR/common/common.c
@@ -19,6 +19,7 @@
 #include <asm/arch/clock.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/sys_proto.h>
+#include <asm/arch/mmc_host_def.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
 #include <i2c.h>
@@ -214,3 +215,9 @@ int board_eth_init(bd_t *bis)
 	return rv;
 }
 #endif /* CONFIG_DRIVER_TI_CPSW */
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
+int board_mmc_init(bd_t *bis)
+{
+	return omap_mmc_init(1, 0, 0, -1, -1);
+}
+#endif
diff --git a/common/cmd_fuse.c b/common/cmd_fuse.c
index 0df57db..abab978 100644
--- a/common/cmd_fuse.c
+++ b/common/cmd_fuse.c
@@ -33,15 +33,8 @@ static int confirm_prog(void)
 					"what you are doing!\n"
 			"\nReally perform this fuse programming? <y/N>\n");
 
-	if (getc() == 'y') {
-		int c;
-
-		putc('y');
-		c = getc();
-		putc('\n');
-		if (c == '\r')
-			return 1;
-	}
+	if (confirm_yesno())
+		return 1;
 
 	puts("Fuse programming aborted\n");
 	return 0;
diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index c1916c9..eea3375 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -71,12 +71,6 @@ U_BOOT_CMD(
 );
 #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);
@@ -98,7 +92,18 @@ static void print_mmcinfo(struct mmc *mmc)
 
 	printf("Bus Width: %d-bit\n", mmc->bus_width);
 }
-
+static struct mmc *init_mmc_device(int dev)
+{
+	struct mmc *mmc;
+	mmc = find_mmc_device(dev);
+	if (!mmc) {
+		printf("no mmc device at slot %x\n", dev);
+		return NULL;
+	}
+	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;
@@ -112,351 +117,537 @@ static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		}
 	}
 
-	mmc = find_mmc_device(curr_device);
+	mmc = init_mmc_device(curr_device);
+	if (!mmc)
+		return CMD_RET_FAILURE;
 
-	if (mmc) {
-		mmc_init(mmc);
+	print_mmcinfo(mmc);
+	return CMD_RET_SUCCESS;
+}
 
-		print_mmcinfo(mmc);
-		return 0;
-	} else {
-		printf("no mmc device at slot %x\n", curr_device);
+#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);
 
-U_BOOT_CMD(
-	mmcinfo, 1, 0, do_mmcinfo,
-	"display MMC info",
-	"- display info of the current MMC device"
-);
+	if (argc < 4)
+		return CMD_RET_USAGE;
 
-static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+	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[])
 {
-	enum mmc_state state;
+	u16 blk, cnt;
+	void *addr;
+	int n;
+	void *key_addr;
+	struct mmc *mmc = find_mmc_device(curr_device);
 
-	if (argc < 2)
+	if (argc != 5)
 		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;
-		}
+	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);
+	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);
 
-	if (strcmp(argv[1], "rescan") == 0) {
-		struct mmc *mmc;
+	/* 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
 
-		if (argc != 2)
-			return CMD_RET_USAGE;
+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;
 
-		mmc = find_mmc_device(curr_device);
-		if (!mmc) {
-			printf("no mmc device at slot %x\n", curr_device);
-			return 1;
-		}
+	if (argc != 4)
+		return CMD_RET_USAGE;
 
-		mmc->has_init = 0;
+	addr = (void *)simple_strtoul(argv[1], NULL, 16);
+	blk = simple_strtoul(argv[2], NULL, 16);
+	cnt = simple_strtoul(argv[3], NULL, 16);
 
-		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;
+	mmc = init_mmc_device(curr_device);
+	if (!mmc)
+		return CMD_RET_FAILURE;
 
-		if (argc != 2)
-			return CMD_RET_USAGE;
+	printf("\nMMC read: dev # %d, block # %d, count %d ... ",
+	       curr_device, blk, cnt);
 
-		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;
-		}
+	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");
 
-		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;
+	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;
 
-		mmc = find_mmc_device(dev);
-		if (!mmc) {
-			printf("no mmc device at slot %x\n", dev);
-			return 1;
-		}
+	if (argc != 4)
+		return CMD_RET_USAGE;
 
-		mmc_init(mmc);
-		if (part != -1) {
-			int ret;
-			if (mmc->part_config == MMCPART_NOAVAILABLE) {
-				printf("Card doesn't support part_switch\n");
-				return 1;
-			}
+	addr = (void *)simple_strtoul(argv[1], NULL, 16);
+	blk = simple_strtoul(argv[2], NULL, 16);
+	cnt = simple_strtoul(argv[3], NULL, 16);
 
-			if (part != mmc->part_num) {
-				ret = mmc_switch_part(dev, part);
-				if (!ret)
-					mmc->part_num = part;
+	mmc = init_mmc_device(curr_device);
+	if (!mmc)
+		return CMD_RET_FAILURE;
 
-				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);
+	printf("\nMMC write: dev # %d, block # %d, count %d ... ",
+	       curr_device, blk, cnt);
 
-		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;
-		}
+	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");
 
-		mmc = find_mmc_device(dev);
-		if (!mmc) {
-			printf("no mmc device at slot %x\n", dev);
-			return 1;
-		}
+	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 (IS_SD(mmc)) {
-			puts("PARTITION_CONFIG only exists on eMMC\n");
-			return 1;
-		}
+	if (argc != 3)
+		return CMD_RET_USAGE;
 
-		/* 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;
-		}
+	blk = simple_strtoul(argv[1], NULL, 16);
+	cnt = simple_strtoul(argv[2], NULL, 16);
 
-		mmc = find_mmc_device(dev);
-		if (!mmc) {
-			printf("no mmc device at slot %x\n", dev);
-			return 1;
-		}
+	mmc = init_mmc_device(curr_device);
+	if (!mmc)
+		return CMD_RET_FAILURE;
 
-		if (IS_SD(mmc)) {
-			puts("BOOT_BUS_WIDTH only exists on eMMC\n");
-			return 1;
-		}
+	printf("\nMMC erase: dev # %d, block # %d, count %d ... ",
+	       curr_device, blk, cnt);
 
-		/* 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;
-		}
+	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");
 
-		mmc = find_mmc_device(dev);
-		if (!mmc) {
-			printf("no mmc device at slot %x\n", dev);
-			return 1;
-		}
+	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;
 
-		if (IS_SD(mmc)) {
-			printf("It is not a EMMC device\n");
-			return 1;
-		}
+	mmc = find_mmc_device(curr_device);
+	if (!mmc) {
+		printf("no mmc device at slot %x\n", curr_device);
+		return CMD_RET_FAILURE;
+	}
 
-		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;
-		}
+	mmc->has_init = 0;
 
-		if (enable > 2 || enable < 0) {
-			puts("Invalid RST_n_ENABLE value\n");
-			return CMD_RET_USAGE;
-		}
+	if (mmc_init(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 = find_mmc_device(dev);
-		if (!mmc) {
-			printf("no mmc device at slot %x\n", dev);
-			return 1;
+	mmc = init_mmc_device(curr_device);
+	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 = -1, 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);
+	if (!mmc)
+		return CMD_RET_FAILURE;
 
-		if (IS_SD(mmc)) {
-			puts("RST_n_FUNCTION only exists on eMMC\n");
+	if (part != -1) {
+		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 mmc_set_rst_n_function(mmc, enable);
-#endif /* CONFIG_SUPPORT_EMMC_BOOT */
+	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;
+}
+#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);
+	if (!mmc)
+		return CMD_RET_FAILURE;
+
+	if (IS_SD(mmc)) {
+		puts("BOOT_BUS_WIDTH only exists on eMMC\n");
+		return CMD_RET_FAILURE;
 	}
 
-	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;
+	/* 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);
 
-		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;
+	mmc = init_mmc_device(dev);
+	if (!mmc)
+		return CMD_RET_FAILURE;
+
+	if (IS_SD(mmc)) {
+		printf("It is not a EMMC device\n");
+		return CMD_RET_FAILURE;
 	}
 
-	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;
-		}
+	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;
 
-		printf("\nMMC %s: dev # %d, block # %d, count %d ... ",
-				argv[1], curr_device, blk, cnt);
+	if (argc != 5)
+		return CMD_RET_USAGE;
 
-		mmc_init(mmc);
+	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);
 
-		if ((state == MMC_WRITE || state == MMC_ERASE)) {
-			if (mmc_getwp(mmc) == 1) {
-				printf("Error: card is write protected!\n");
-				return 1;
-			}
-		}
+	mmc = init_mmc_device(dev);
+	if (!mmc)
+		return CMD_RET_FAILURE;
 
-		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();
-		}
+	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);
+	if (!mmc)
+		return CMD_RET_FAILURE;
+
+	if (IS_SD(mmc)) {
+		puts("RST_n_FUNCTION only exists on eMMC\n");
+		return CMD_RET_FAILURE;
+	}
 
-		printf("%d blocks %s: %s\n",
-				n, argv[1], (n == cnt) ? "OK" : "ERROR");
-		return (n == cnt) ? 0 : 1;
+	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, "", ""),
+#ifdef CONFIG_SUPPORT_EMMC_BOOT
+	U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
+	U_BOOT_CMD_MKENT(bootpart-resize, 3, 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;
 
-	return CMD_RET_USAGE;
+	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, 6, 1, do_mmcops,
+	mmc, 7, 1, do_mmcops,
 	"MMC sub system",
-	"read addr blk# cnt\n"
+	"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"
@@ -474,6 +665,20 @@ U_BOOT_CMD(
 	" - 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"
+#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 */
diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 04ab0f1..a84f7dc 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -605,22 +605,16 @@ static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		opts.spread = spread;
 
 		if (scrub) {
-			if (!scrub_yes)
-				puts(scrub_warn);
-
-			if (scrub_yes)
+			if (scrub_yes) {
 				opts.scrub = 1;
-			else if (getc() == 'y') {
-				puts("y");
-				if (getc() == '\r')
+			} else {
+				puts(scrub_warn);
+				if (confirm_yesno()) {
 					opts.scrub = 1;
-				else {
+				} else {
 					puts("scrub aborted\n");
 					return 1;
 				}
-			} else {
-				puts("scrub aborted\n");
-				return 1;
 			}
 		}
 		ret = nand_erase_opts(nand, &opts);
diff --git a/common/cmd_otp.c b/common/cmd_otp.c
index 67808aa..593bb8c 100644
--- a/common/cmd_otp.c
+++ b/common/cmd_otp.c
@@ -158,21 +158,9 @@ int do_otp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 			lowup(half + count - 1), page + (half + count - 1) / 2,
 			half + count
 		);
-
-		i = 0;
-		while (1) {
-			if (tstc()) {
-				const char exp_ans[] = "YES\r";
-				char c;
-				putc(c = getc());
-				if (exp_ans[i++] != c) {
-					printf(" Aborting\n");
-					return 1;
-				} else if (!exp_ans[i]) {
-					puts("\n");
-					break;
-				}
-			}
+		if (!confirm_yesno()) {
+			printf(" Aborting\n");
+			return 1;
 		}
 	}
 
diff --git a/common/cmd_part.c b/common/cmd_part.c
index 1424854..c84bc27 100644
--- a/common/cmd_part.c
+++ b/common/cmd_part.c
@@ -82,7 +82,7 @@ int do_part(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 U_BOOT_CMD(
 	part,	5,	1,	do_part,
 	"disk partition related commands",
-	"uuid <interface> <dev>:<part>\n"
+	"part uuid <interface> <dev>:<part>\n"
 	"    - print partition UUID\n"
 	"part uuid <interface> <dev>:<part> <varname>\n"
 	"    - set environment variable to partition UUID\n"
diff --git a/common/console.c b/common/console.c
index 2dfb788..5453726 100644
--- a/common/console.c
+++ b/common/console.c
@@ -537,7 +537,33 @@ int ctrlc(void)
 	}
 	return 0;
 }
-
+/* Reads user's confirmation.
+   Returns 1 if user's input is "y", "Y", "yes" or "YES"
+*/
+int confirm_yesno(void)
+{
+	int i;
+	char str_input[5];
+
+	/* Flush input */
+	while (tstc())
+		getc();
+	i = 0;
+	while (i < sizeof(str_input)) {
+		str_input[i] = getc();
+		putc(str_input[i]);
+		if (str_input[i] == '\r')
+			break;
+		i++;
+	}
+	putc('\n');
+	if (strncmp(str_input, "y\r", 2) == 0 ||
+	    strncmp(str_input, "Y\r", 2) == 0 ||
+	    strncmp(str_input, "yes\r", 4) == 0 ||
+	    strncmp(str_input, "YES\r", 4) == 0)
+		return 1;
+	return 0;
+}
 /* pass 1 to disable ctrlc() checking, 0 to enable.
  * returns previous state
  */
diff --git a/disk/part.c b/disk/part.c
index b8c6aac..2827089 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -22,6 +22,7 @@
 struct block_drvr {
 	char *name;
 	block_dev_desc_t* (*get_dev)(int dev);
+	int (*select_hwpart)(int dev_num, int hwpart);
 };
 
 static const struct block_drvr block_drvr[] = {
@@ -38,7 +39,11 @@ static const struct block_drvr block_drvr[] = {
 	{ .name = "usb", .get_dev = usb_stor_get_dev, },
 #endif
 #if defined(CONFIG_MMC)
-	{ .name = "mmc", .get_dev = mmc_get_dev, },
+	{
+		.name = "mmc",
+		.get_dev = mmc_get_dev,
+		.select_hwpart = mmc_select_hwpart,
+	},
 #endif
 #if defined(CONFIG_SYSTEMACE)
 	{ .name = "ace", .get_dev = systemace_get_dev, },
@@ -52,11 +57,13 @@ static const struct block_drvr block_drvr[] = {
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef HAVE_BLOCK_DEVICE
-block_dev_desc_t *get_dev(const char *ifname, int dev)
+block_dev_desc_t *get_dev_hwpart(const char *ifname, int dev, int hwpart)
 {
 	const struct block_drvr *drvr = block_drvr;
 	block_dev_desc_t* (*reloc_get_dev)(int dev);
+	int (*select_hwpart)(int dev_num, int hwpart);
 	char *name;
+	int ret;
 
 	if (!ifname)
 		return NULL;
@@ -68,17 +75,41 @@ block_dev_desc_t *get_dev(const char *ifname, int dev)
 	while (drvr->name) {
 		name = drvr->name;
 		reloc_get_dev = drvr->get_dev;
+		select_hwpart = drvr->select_hwpart;
 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 		name += gd->reloc_off;
 		reloc_get_dev += gd->reloc_off;
-#endif
-		if (strncmp(ifname, name, strlen(name)) == 0)
-			return reloc_get_dev(dev);
+		if (select_hwpart)
+			select_hwpart += gd->reloc_off;
+#endif
+		if (strncmp(ifname, name, strlen(name)) == 0) {
+			block_dev_desc_t *dev_desc = reloc_get_dev(dev);
+			if (!dev_desc)
+				return NULL;
+			if (hwpart == -1)
+				return dev_desc;
+			if (!select_hwpart)
+				return NULL;
+			ret = select_hwpart(dev_desc->dev, hwpart);
+			if (ret < 0)
+				return NULL;
+			return dev_desc;
+		}
 		drvr++;
 	}
 	return NULL;
 }
+
+block_dev_desc_t *get_dev(const char *ifname, int dev)
+{
+	return get_dev_hwpart(ifname, dev, -1);
+}
 #else
+block_dev_desc_t *get_dev_hwpart(const char *ifname, int dev, int hwpart)
+{
+	return NULL;
+}
+
 block_dev_desc_t *get_dev(const char *ifname, int dev)
 {
 	return NULL;
@@ -413,25 +444,52 @@ int get_partition_info(block_dev_desc_t *dev_desc, int part
 	return -1;
 }
 
-int get_device(const char *ifname, const char *dev_str,
+int get_device(const char *ifname, const char *dev_hwpart_str,
 	       block_dev_desc_t **dev_desc)
 {
 	char *ep;
-	int dev;
+	char *dup_str = NULL;
+	const char *dev_str, *hwpart_str;
+	int dev, hwpart;
+
+	hwpart_str = strchr(dev_hwpart_str, '.');
+	if (hwpart_str) {
+		dup_str = strdup(dev_hwpart_str);
+		dup_str[hwpart_str - dev_hwpart_str] = 0;
+		dev_str = dup_str;
+		hwpart_str++;
+	} else {
+		dev_str = dev_hwpart_str;
+		hwpart = -1;
+	}
 
 	dev = simple_strtoul(dev_str, &ep, 16);
 	if (*ep) {
 		printf("** Bad device specification %s %s **\n",
 		       ifname, dev_str);
-		return -1;
+		dev = -1;
+		goto cleanup;
+	}
+
+	if (hwpart_str) {
+		hwpart = simple_strtoul(hwpart_str, &ep, 16);
+		if (*ep) {
+			printf("** Bad HW partition specification %s %s **\n",
+			    ifname, hwpart_str);
+			dev = -1;
+			goto cleanup;
+		}
 	}
 
-	*dev_desc = get_dev(ifname, dev);
+	*dev_desc = get_dev_hwpart(ifname, dev, hwpart);
 	if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
-		printf("** Bad device %s %s **\n", ifname, dev_str);
-		return -1;
+		printf("** Bad device %s %s **\n", ifname, dev_hwpart_str);
+		dev = -1;
+		goto cleanup;
 	}
 
+cleanup:
+	free(dup_str);
 	return dev;
 }
 
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 931922b..4c6ab9e 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_DWMMC) += dw_mmc.o
 obj-$(CONFIG_EXYNOS_DWMMC) += exynos_dw_mmc.o
 obj-$(CONFIG_ZYNQ_SDHCI) += zynq_sdhci.o
 obj-$(CONFIG_SOCFPGA_DWMMC) += socfpga_dw_mmc.o
+obj-$(CONFIG_SUPPORT_EMMC_RPMB) += rpmb.o
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_SPL_MMC_BOOT) += fsl_esdhc_spl.o
 else
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 50cba64..dca28f4 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -174,7 +174,7 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
 	int timeout;
 	struct fsl_esdhc_cfg *cfg = mmc->priv;
 	struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
-#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
+
 	uint wml_value;
 
 	wml_value = data->blocksize/4;
@@ -184,12 +184,15 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
 			wml_value = WML_RD_WML_MAX_VAL;
 
 		esdhc_clrsetbits32(&regs->wml, WML_RD_WML_MASK, wml_value);
+#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
 		esdhc_write32(&regs->dsaddr, (u32)data->dest);
+#endif
 	} else {
+#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
 		flush_dcache_range((ulong)data->src,
 				   (ulong)data->src+data->blocks
 					 *data->blocksize);
-
+#endif
 		if (wml_value > WML_WR_WML_MAX)
 			wml_value = WML_WR_WML_MAX_VAL;
 		if ((esdhc_read32(&regs->prsstat) & PRSSTAT_WPSPL) == 0) {
@@ -199,19 +202,10 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
 
 		esdhc_clrsetbits32(&regs->wml, WML_WR_WML_MASK,
 					wml_value << 16);
+#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
 		esdhc_write32(&regs->dsaddr, (u32)data->src);
+#endif
 	}
-#else	/* CONFIG_SYS_FSL_ESDHC_USE_PIO */
-	if (!(data->flags & MMC_DATA_READ)) {
-		if ((esdhc_read32(&regs->prsstat) & PRSSTAT_WPSPL) == 0) {
-			printf("\nThe SD card is locked. "
-				"Can not write to a locked card.\n\n");
-			return TIMEOUT;
-		}
-		esdhc_write32(&regs->dsaddr, (u32)data->src);
-	} else
-		esdhc_write32(&regs->dsaddr, (u32)data->dest);
-#endif	/* CONFIG_SYS_FSL_ESDHC_USE_PIO */
 
 	esdhc_write32(&regs->blkattr, data->blocks << 16 | data->blocksize);
 
@@ -388,9 +382,10 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 				goto out;
 			}
 		} while ((irqstat & DATA_COMPLETE) != DATA_COMPLETE);
-#endif
+
 		if (data->flags & MMC_DATA_READ)
 			check_and_invalidate_dcache_range(cmd, data);
+#endif
 	}
 
 out:
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 16051e5..8b53ead 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -150,6 +150,8 @@ int mmc_send_status(struct mmc *mmc, int timeout)
 #endif
 		return TIMEOUT;
 	}
+	if (cmd.response[0] & MMC_STATUS_SWITCH_ERROR)
+		return SWITCH_ERR;
 
 	return 0;
 }
@@ -501,7 +503,7 @@ static int mmc_change_freq(struct mmc *mmc)
 	err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1);
 
 	if (err)
-		return err;
+		return err == SWITCH_ERR ? 0 : err;
 
 	/* Now check to see that it worked */
 	err = mmc_send_ext_csd(mmc, ext_csd);
@@ -550,6 +552,32 @@ static int mmc_set_capacity(struct mmc *mmc, int part_num)
 	return 0;
 }
 
+int mmc_select_hwpart(int dev_num, int hwpart)
+{
+	struct mmc *mmc = find_mmc_device(dev_num);
+	int ret;
+
+	if (!mmc)
+		return -1;
+
+	if (mmc->part_num == hwpart)
+		return 0;
+
+	if (mmc->part_config == MMCPART_NOAVAILABLE) {
+		printf("Card doesn't support part_switch\n");
+		return -1;
+	}
+
+	ret = mmc_switch_part(dev_num, hwpart);
+	if (ret)
+		return -1;
+
+	mmc->part_num = hwpart;
+
+	return 0;
+}
+
+
 int mmc_switch_part(int dev_num, unsigned int part_num)
 {
 	struct mmc *mmc = find_mmc_device(dev_num);
@@ -1310,10 +1338,13 @@ static int mmc_complete_init(struct mmc *mmc)
 int mmc_init(struct mmc *mmc)
 {
 	int err = IN_PROGRESS;
-	unsigned start = get_timer(0);
+	unsigned start;
 
 	if (mmc->has_init)
 		return 0;
+
+	start = get_timer(0);
+
 	if (!mmc->init_in_progress)
 		err = mmc_start_init(mmc);
 
diff --git a/drivers/mmc/rpmb.c b/drivers/mmc/rpmb.c
new file mode 100644
index 0000000..05936f5
--- /dev/null
+++ b/drivers/mmc/rpmb.c
@@ -0,0 +1,323 @@
+/*
+ * Copyright 2014, Staubli Faverges
+ * Pierre Aubert
+ *
+ * eMMC- Replay Protected Memory Block
+ * According to JEDEC Standard No. 84-A441
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+#include <mmc.h>
+#include <sha256.h>
+#include "mmc_private.h"
+
+/* Request codes */
+#define RPMB_REQ_KEY		1
+#define RPMB_REQ_WCOUNTER	2
+#define RPMB_REQ_WRITE_DATA	3
+#define RPMB_REQ_READ_DATA	4
+#define RPMB_REQ_STATUS		5
+
+/* Response code */
+#define RPMB_RESP_KEY		0x0100
+#define RPMB_RESP_WCOUNTER	0x0200
+#define RPMB_RESP_WRITE_DATA	0x0300
+#define RPMB_RESP_READ_DATA	0x0400
+
+/* Error codes */
+#define RPMB_OK			0
+#define RPMB_ERR_GENERAL	1
+#define RPMB_ERR_AUTH	2
+#define RPMB_ERR_COUNTER	3
+#define RPMB_ERR_ADDRESS	4
+#define RPMB_ERR_WRITE		5
+#define RPMB_ERR_READ		6
+#define RPMB_ERR_KEY		7
+#define RPMB_ERR_CNT_EXPIRED	0x80
+#define RPMB_ERR_MSK		0x7
+
+/* Sizes of RPMB data frame */
+#define RPMB_SZ_STUFF		196
+#define RPMB_SZ_MAC		32
+#define RPMB_SZ_DATA		256
+#define RPMB_SZ_NONCE		16
+
+#define SHA256_BLOCK_SIZE	64
+
+/* Error messages */
+static const char * const rpmb_err_msg[] = {
+	"",
+	"General failure",
+	"Authentication failure",
+	"Counter failure",
+	"Address failure",
+	"Write failure",
+	"Read failure",
+	"Authentication key not yet programmed",
+};
+
+
+/* Structure of RPMB data frame. */
+struct s_rpmb {
+	unsigned char stuff[RPMB_SZ_STUFF];
+	unsigned char mac[RPMB_SZ_MAC];
+	unsigned char data[RPMB_SZ_DATA];
+	unsigned char nonce[RPMB_SZ_NONCE];
+	unsigned long write_counter;
+	unsigned short address;
+	unsigned short block_count;
+	unsigned short result;
+	unsigned short request;
+};
+
+static int mmc_set_blockcount(struct mmc *mmc, unsigned int blockcount,
+			      bool is_rel_write)
+{
+	struct mmc_cmd cmd = {0};
+
+	cmd.cmdidx = MMC_CMD_SET_BLOCK_COUNT;
+	cmd.cmdarg = blockcount & 0x0000FFFF;
+	if (is_rel_write)
+		cmd.cmdarg |= 1 << 31;
+	cmd.resp_type = MMC_RSP_R1;
+
+	return mmc_send_cmd(mmc, &cmd, NULL);
+}
+static int mmc_rpmb_request(struct mmc *mmc, const struct s_rpmb *s,
+			    unsigned int count, bool is_rel_write)
+{
+	struct mmc_cmd cmd = {0};
+	struct mmc_data data;
+	int ret;
+
+	ret = mmc_set_blockcount(mmc, count, is_rel_write);
+	if (ret) {
+#ifdef CONFIG_MMC_RPMB_TRACE
+		printf("%s:mmc_set_blockcount-> %d\n", __func__, ret);
+#endif
+		return 1;
+	}
+
+	cmd.cmdidx = MMC_CMD_WRITE_MULTIPLE_BLOCK;
+	cmd.cmdarg = 0;
+	cmd.resp_type = MMC_RSP_R1b;
+
+	data.src = (const char *)s;
+	data.blocks = 1;
+	data.blocksize = MMC_MAX_BLOCK_LEN;
+	data.flags = MMC_DATA_WRITE;
+
+	ret = mmc_send_cmd(mmc, &cmd, &data);
+	if (ret) {
+#ifdef CONFIG_MMC_RPMB_TRACE
+		printf("%s:mmc_send_cmd-> %d\n", __func__, ret);
+#endif
+		return 1;
+	}
+	return 0;
+}
+static int mmc_rpmb_response(struct mmc *mmc, struct s_rpmb *s,
+			     unsigned short expected)
+{
+	struct mmc_cmd cmd = {0};
+	struct mmc_data data;
+	int ret;
+
+	ret = mmc_set_blockcount(mmc, 1, false);
+	if (ret) {
+#ifdef CONFIG_MMC_RPMB_TRACE
+		printf("%s:mmc_set_blockcount-> %d\n", __func__, ret);
+#endif
+		return -1;
+	}
+	cmd.cmdidx = MMC_CMD_READ_MULTIPLE_BLOCK;
+	cmd.cmdarg = 0;
+	cmd.resp_type = MMC_RSP_R1;
+
+	data.dest = (char *)s;
+	data.blocks = 1;
+	data.blocksize = MMC_MAX_BLOCK_LEN;
+	data.flags = MMC_DATA_READ;
+
+	ret = mmc_send_cmd(mmc, &cmd, &data);
+	if (ret) {
+#ifdef CONFIG_MMC_RPMB_TRACE
+		printf("%s:mmc_send_cmd-> %d\n", __func__, ret);
+#endif
+		return -1;
+	}
+	/* Check the response and the status */
+	if (be16_to_cpu(s->request) != expected) {
+#ifdef CONFIG_MMC_RPMB_TRACE
+		printf("%s:response= %x\n", __func__,
+		       be16_to_cpu(s->request));
+#endif
+		return -1;
+	}
+	ret = be16_to_cpu(s->result);
+	if (ret) {
+		printf("%s %s\n", rpmb_err_msg[ret & RPMB_ERR_MSK],
+		       (ret & RPMB_ERR_CNT_EXPIRED) ?
+		       "Write counter has expired" : "");
+	}
+
+	/* Return the status of the command */
+	return ret;
+}
+static int mmc_rpmb_status(struct mmc *mmc, unsigned short expected)
+{
+	ALLOC_CACHE_ALIGN_BUFFER(struct s_rpmb, rpmb_frame, 1);
+
+	memset(rpmb_frame, 0, sizeof(struct s_rpmb));
+	rpmb_frame->request = cpu_to_be16(RPMB_REQ_STATUS);
+	if (mmc_rpmb_request(mmc, rpmb_frame, 1, false))
+		return -1;
+
+	/* Read the result */
+	return mmc_rpmb_response(mmc, rpmb_frame, expected);
+}
+static void rpmb_hmac(unsigned char *key, unsigned char *buff, int len,
+		      unsigned char *output)
+{
+	sha256_context ctx;
+	int i;
+	unsigned char k_ipad[SHA256_BLOCK_SIZE];
+	unsigned char k_opad[SHA256_BLOCK_SIZE];
+
+	sha256_starts(&ctx);
+
+	/* According to RFC 4634, the HMAC transform looks like:
+	   SHA(K XOR opad, SHA(K XOR ipad, text))
+
+	   where K is an n byte key.
+	   ipad is the byte 0x36 repeated blocksize times
+	   opad is the byte 0x5c repeated blocksize times
+	   and text is the data being protected.
+	*/
+
+	for (i = 0; i < RPMB_SZ_MAC; i++) {
+		k_ipad[i] = key[i] ^ 0x36;
+		k_opad[i] = key[i] ^ 0x5c;
+	}
+	/* remaining pad bytes are '\0' XOR'd with ipad and opad values */
+	for ( ; i < SHA256_BLOCK_SIZE; i++) {
+		k_ipad[i] = 0x36;
+		k_opad[i] = 0x5c;
+	}
+	sha256_update(&ctx, k_ipad, SHA256_BLOCK_SIZE);
+	sha256_update(&ctx, buff, len);
+	sha256_finish(&ctx, output);
+
+	/* Init context for second pass */
+	sha256_starts(&ctx);
+
+	/* start with outer pad */
+	sha256_update(&ctx, k_opad, SHA256_BLOCK_SIZE);
+
+	/* then results of 1st hash */
+	sha256_update(&ctx, output, RPMB_SZ_MAC);
+
+	/* finish up 2nd pass */
+	sha256_finish(&ctx, output);
+}
+int mmc_rpmb_get_counter(struct mmc *mmc, unsigned long *pcounter)
+{
+	int ret;
+	ALLOC_CACHE_ALIGN_BUFFER(struct s_rpmb, rpmb_frame, 1);
+
+	/* Fill the request */
+	memset(rpmb_frame, 0, sizeof(struct s_rpmb));
+	rpmb_frame->request = cpu_to_be16(RPMB_REQ_WCOUNTER);
+	if (mmc_rpmb_request(mmc, rpmb_frame, 1, false))
+		return -1;
+
+	/* Read the result */
+	ret = mmc_rpmb_response(mmc, rpmb_frame, RPMB_RESP_WCOUNTER);
+	if (ret)
+		return ret;
+
+	*pcounter = be32_to_cpu(rpmb_frame->write_counter);
+	return 0;
+}
+int mmc_rpmb_set_key(struct mmc *mmc, void *key)
+{
+	ALLOC_CACHE_ALIGN_BUFFER(struct s_rpmb, rpmb_frame, 1);
+	/* Fill the request */
+	memset(rpmb_frame, 0, sizeof(struct s_rpmb));
+	rpmb_frame->request = cpu_to_be16(RPMB_REQ_KEY);
+	memcpy(rpmb_frame->mac, key, RPMB_SZ_MAC);
+
+	if (mmc_rpmb_request(mmc, rpmb_frame, 1, true))
+		return -1;
+
+	/* read the operation status */
+	return mmc_rpmb_status(mmc, RPMB_RESP_KEY);
+}
+int mmc_rpmb_read(struct mmc *mmc, void *addr, unsigned short blk,
+		  unsigned short cnt, unsigned char *key)
+{
+	ALLOC_CACHE_ALIGN_BUFFER(struct s_rpmb, rpmb_frame, 1);
+	int i;
+
+	for (i = 0; i < cnt; i++) {
+		/* Fill the request */
+		memset(rpmb_frame, 0, sizeof(struct s_rpmb));
+		rpmb_frame->address = cpu_to_be16(blk + i);
+		rpmb_frame->request = cpu_to_be16(RPMB_REQ_READ_DATA);
+		if (mmc_rpmb_request(mmc, rpmb_frame, 1, false))
+			break;
+
+		/* Read the result */
+		if (mmc_rpmb_response(mmc, rpmb_frame, RPMB_RESP_READ_DATA))
+			break;
+
+		/* Check the HMAC if key is provided */
+		if (key) {
+			unsigned char ret_hmac[RPMB_SZ_MAC];
+
+			rpmb_hmac(key, rpmb_frame->data, 284, ret_hmac);
+			if (memcmp(ret_hmac, rpmb_frame->mac, RPMB_SZ_MAC)) {
+				printf("MAC error on block #%d\n", i);
+				break;
+			}
+		}
+		/* Copy data */
+		memcpy(addr + i * RPMB_SZ_DATA, rpmb_frame->data, RPMB_SZ_DATA);
+	}
+	return i;
+}
+int mmc_rpmb_write(struct mmc *mmc, void *addr, unsigned short blk,
+		  unsigned short cnt, unsigned char *key)
+{
+	ALLOC_CACHE_ALIGN_BUFFER(struct s_rpmb, rpmb_frame, 1);
+	unsigned long wcount;
+	int i;
+
+	for (i = 0; i < cnt; i++) {
+		if (mmc_rpmb_get_counter(mmc, &wcount)) {
+			printf("Cannot read RPMB write counter\n");
+			break;
+		}
+
+		/* Fill the request */
+		memset(rpmb_frame, 0, sizeof(struct s_rpmb));
+		memcpy(rpmb_frame->data, addr + i * RPMB_SZ_DATA, RPMB_SZ_DATA);
+		rpmb_frame->address = cpu_to_be16(blk + i);
+		rpmb_frame->block_count = cpu_to_be16(1);
+		rpmb_frame->write_counter = cpu_to_be32(wcount);
+		rpmb_frame->request = cpu_to_be16(RPMB_REQ_WRITE_DATA);
+		/* Computes HMAC */
+		rpmb_hmac(key, rpmb_frame->data, 284, rpmb_frame->mac);
+
+		if (mmc_rpmb_request(mmc, rpmb_frame, 1, true))
+			break;
+
+		/* Get status */
+		if (mmc_rpmb_status(mmc, RPMB_RESP_WRITE_DATA))
+			break;
+	}
+	return i;
+}
diff --git a/include/common.h b/include/common.h
index 13e5dc7..232136c 100644
--- a/include/common.h
+++ b/include/common.h
@@ -836,7 +836,7 @@ int	ctrlc (void);
 int	had_ctrlc (void);	/* have we had a Control-C since last clear? */
 void	clear_ctrlc (void);	/* clear the Control-C condition */
 int	disable_ctrlc (int);	/* 1 to disable, 0 to enable Control-C detect */
-
+int confirm_yesno(void);        /*  1 if input is "y", "Y", "yes" or "YES" */
 /*
  * STDIO based functions (can always be used)
  */
diff --git a/include/configs/kwb.h b/include/configs/kwb.h
index 0f631c0..0860434 100644
--- a/include/configs/kwb.h
+++ b/include/configs/kwb.h
@@ -109,7 +109,7 @@
 
 #undef CONFIG_ENV_IS_NOWHERE
 #define CONFIG_ENV_IS_IN_MMC
-#define CONFIG_SYS_MMC_ENV_DEV		1
+#define CONFIG_SYS_MMC_ENV_DEV		0
 #define CONFIG_SYS_MMC_ENV_PART		2
 #define CONFIG_ENV_OFFSET		0x40000	/* TODO: Adresse definieren */
 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
diff --git a/include/configs/tseries.h b/include/configs/tseries.h
index 8fb87ac..e550afa 100644
--- a/include/configs/tseries.h
+++ b/include/configs/tseries.h
@@ -237,7 +237,7 @@
 #elif defined(CONFIG_EMMC_BOOT)
 #undef CONFIG_ENV_IS_NOWHERE
 #define CONFIG_ENV_IS_IN_MMC
-#define CONFIG_SYS_MMC_ENV_DEV		1
+#define CONFIG_SYS_MMC_ENV_DEV		0
 #define CONFIG_SYS_MMC_ENV_PART		2
 #define CONFIG_ENV_OFFSET		0x40000	/* TODO: Adresse definieren */
 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
diff --git a/include/mmc.h b/include/mmc.h
index bc11f45..a3a100b 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -54,6 +54,7 @@
 #define COMM_ERR		-18 /* Communications Error */
 #define TIMEOUT			-19
 #define IN_PROGRESS		-20 /* operation is in progress */
+#define SWITCH_ERR		-21 /* Card reports failure to switch mode */
 
 #define MMC_CMD_GO_IDLE_STATE		0
 #define MMC_CMD_SEND_OP_COND		1
@@ -70,6 +71,7 @@
 #define MMC_CMD_SET_BLOCKLEN		16
 #define MMC_CMD_READ_SINGLE_BLOCK	17
 #define MMC_CMD_READ_MULTIPLE_BLOCK	18
+#define MMC_CMD_SET_BLOCK_COUNT         23
 #define MMC_CMD_WRITE_SINGLE_BLOCK	24
 #define MMC_CMD_WRITE_MULTIPLE_BLOCK	25
 #define MMC_CMD_ERASE_GROUP_START	35
@@ -109,6 +111,7 @@
 #define SECURE_ERASE		0x80000000
 
 #define MMC_STATUS_MASK		(~0x0206BF7F)
+#define MMC_STATUS_SWITCH_ERROR	(1 << 7)
 #define MMC_STATUS_RDY_FOR_DATA (1 << 8)
 #define MMC_STATUS_CURR_STATE	(0xf << 9)
 #define MMC_STATUS_ERROR	(1 << 19)
@@ -225,6 +228,7 @@
  * boot partitions (2), general purpose partitions (4) in MMC v4.4.
  */
 #define MMC_NUM_BOOT_PARTITION	2
+#define MMC_PART_RPMB           3       /* RPMB partition number */
 
 struct mmc_cid {
 	unsigned long psn;
@@ -336,7 +340,13 @@ int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access);
 int mmc_set_boot_bus_width(struct mmc *mmc, u8 width, u8 reset, u8 mode);
 /* Function to modify the RST_n_FUNCTION field of EXT_CSD */
 int mmc_set_rst_n_function(struct mmc *mmc, u8 enable);
-
+/* Functions to read / write the RPMB partition */
+int mmc_rpmb_set_key(struct mmc *mmc, void *key);
+int mmc_rpmb_get_counter(struct mmc *mmc, unsigned long *counter);
+int mmc_rpmb_read(struct mmc *mmc, void *addr, unsigned short blk,
+		  unsigned short cnt, unsigned char *key);
+int mmc_rpmb_write(struct mmc *mmc, void *addr, unsigned short blk,
+		   unsigned short cnt, unsigned char *key);
 /**
  * Start device initialization and return immediately; it does not block on
  * polling OCR (operation condition register) status.  Then you should call
diff --git a/include/part.h b/include/part.h
index 53532dc..f2c8c64 100644
--- a/include/part.h
+++ b/include/part.h
@@ -103,6 +103,7 @@ block_dev_desc_t* sata_get_dev(int dev);
 block_dev_desc_t* scsi_get_dev(int dev);
 block_dev_desc_t* usb_stor_get_dev(int dev);
 block_dev_desc_t* mmc_get_dev(int dev);
+int mmc_select_hwpart(int dev_num, int hwpart);
 block_dev_desc_t* systemace_get_dev(int dev);
 block_dev_desc_t* mg_disk_get_dev(int dev);
 block_dev_desc_t *host_get_dev(int dev);
@@ -126,6 +127,7 @@ static inline block_dev_desc_t* sata_get_dev(int dev) { return NULL; }
 static inline block_dev_desc_t* scsi_get_dev(int dev) { return NULL; }
 static inline block_dev_desc_t* usb_stor_get_dev(int dev) { return NULL; }
 static inline block_dev_desc_t* mmc_get_dev(int dev) { return NULL; }
+static inline int mmc_select_hwpart(int dev_num, int hwpart) { return -1; }
 static inline block_dev_desc_t* systemace_get_dev(int dev) { return NULL; }
 static inline block_dev_desc_t* mg_disk_get_dev(int dev) { return NULL; }
 static inline block_dev_desc_t *host_get_dev(int dev) { return NULL; }
diff --git a/lib/Makefile b/lib/Makefile
index 27e4f78..377ab13 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -35,6 +35,7 @@ obj-y += net_utils.o
 obj-$(CONFIG_PHYSMEM) += physmem.o
 obj-y += qsort.o
 obj-$(CONFIG_SHA1) += sha1.o
+obj-$(CONFIG_SUPPORT_EMMC_RPMB) += sha256.o
 obj-$(CONFIG_SHA256) += sha256.o
 obj-y	+= strmhz.o
 obj-$(CONFIG_TPM) += tpm.o