Merge tag 'mmc-2020-4-22' of https://gitlab.denx.de/u-boot/custodians/u-boot-mmc

- iproc_sdhci memory leak fix and enable R1B resp quirk
- more mmc cmds and several mmc updates from Heinirich
- Use bounce buffer for tmio sdhci
- Alignment check for tmio sdhci

cmd/Kconfig

@@ -1060,21 +1060,34 @@ config CMD_MMC
 	help
 	  MMC memory mapped support.
 
+if CMD_MMC
+
+config CMD_BKOPS_ENABLE
+	bool "mmc bkops enable"
+	depends on CMD_MMC
+	default n
+	help
+	  Enable command for setting manual background operations handshake
+	  on a eMMC device. The feature is optionally available on eMMC devices
+	  conforming to standard >= 4.41.
+
 config CMD_MMC_RPMB
 	bool "Enable support for RPMB in the mmc command"
-	depends on CMD_MMC
+	depends on SUPPORT_EMMC_RPMB
 	help
 	  Enable the commands for reading, writing and programming the
 	  key for the Replay Protection Memory Block partition in eMMC.
 
 config CMD_MMC_SWRITE
 	bool "mmc swrite"
-	depends on CMD_MMC && MMC_WRITE
+	depends on MMC_WRITE
 	select IMAGE_SPARSE
 	help
 	  Enable support for the "mmc swrite" command to write Android sparse
 	  images to eMMC.
 
+endif
+
 config CMD_MTD
 	bool "mtd"
 	depends on MTD
@@ -1607,15 +1620,6 @@ config CMD_BSP
 	  option provides a way to control this. The commands that are enabled
 	  vary depending on the board.
 
-config CMD_BKOPS_ENABLE
-	bool "mmc bkops enable"
-	depends on CMD_MMC
-	default n
-	help
-	  Enable command for setting manual background operations handshake
-	  on a eMMC device. The feature is optionally available on eMMC devices
-	  conforming to standard >= 4.41.
-
 config CMD_BLOCK_CACHE
 	bool "blkcache - control and stats for block cache"
 	depends on BLOCK_CACHE

cmd/mmc.c

@@ -54,6 +54,8 @@ static void print_mmcinfo(struct mmc *mmc)
 	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);
+		u8 wp, ext_csd[MMC_MAX_BLOCK_LEN];
+		int ret;
 
 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 		puts("HC WP Group Size: ");
@@ -90,6 +92,28 @@ static void print_mmcinfo(struct mmc *mmc)
 					putc('\n');
 			}
 		}
+		ret = mmc_send_ext_csd(mmc, ext_csd);
+		if (ret)
+			return;
+		wp = ext_csd[EXT_CSD_BOOT_WP_STATUS];
+		for (i = 0; i < 2; ++i) {
+			printf("Boot area %d is ", i);
+			switch (wp & 3) {
+			case 0:
+				printf("not write protected\n");
+				break;
+			case 1:
+				printf("power on protected\n");
+				break;
+			case 2:
+				printf("permanently protected\n");
+				break;
+			default:
+				printf("in reserved protection state\n");
+				break;
+			}
+			wp >>= 2;
+		}
 	}
 }
 static struct mmc *init_mmc_device(int dev, bool force_init)
@@ -872,9 +896,30 @@ static int do_mmc_bkops_enable(cmd_tbl_t *cmdtp, int flag,
 }
 #endif
 
+static int do_mmc_boot_wp(cmd_tbl_t *cmdtp, int flag,
+			  int argc, char * const argv[])
+{
+	int err;
+	struct mmc *mmc;
+
+	mmc = init_mmc_device(curr_device, false);
+	if (!mmc)
+		return CMD_RET_FAILURE;
+	if (IS_SD(mmc)) {
+		printf("It is not an eMMC device\n");
+		return CMD_RET_FAILURE;
+	}
+	err = mmc_boot_wp(mmc);
+	if (err)
+		return CMD_RET_FAILURE;
+	printf("boot areas protected\n");
+	return CMD_RET_SUCCESS;
+}
+
 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(wp, 1, 0, do_mmc_boot_wp, "", ""),
 #if CONFIG_IS_ENABLED(MMC_WRITE)
 	U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
 	U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
@@ -944,6 +989,7 @@ U_BOOT_CMD(
 	"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 wp - power on write protect booot partitions\n"
 #if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 	"mmc hwpartition [args...] - does hardware partitioning\n"
 	"  arguments (sizes in 512-byte blocks):\n"