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

4 files changed, 85 insertions, 3 deletions

diff --git a/include/bouncebuf.h b/include/bouncebuf.h
index fd9b0f3b289..7427bd12e27 100644
--- a/include/bouncebuf.h
+++ b/include/bouncebuf.h
@@ -62,6 +62,21 @@ struct bounce_buffer {
  */
 int bounce_buffer_start(struct bounce_buffer *state, void *data,
 			size_t len, unsigned int flags);
+
+/**
+ * bounce_buffer_start() -- Start the bounce buffer session with external align check function
+ * state:	stores state passed between bounce_buffer_{start,stop}
+ * data:	pointer to buffer to be aligned
+ * len:		length of the buffer
+ * flags:	flags describing the transaction, see above.
+ * alignment:	alignment of the newly allocated bounce buffer
+ * addr_is_aligned: function for checking the alignment instead of the default one
+ */
+int bounce_buffer_start_extalign(struct bounce_buffer *state, void *data,
+				 size_t len, unsigned int flags,
+				 size_t alignment,
+				 int (*addr_is_aligned)(struct bounce_buffer *state));
+
 /**
  * bounce_buffer_stop() -- Finish the bounce buffer session
  * state:	stores state passed between bounce_buffer_{start,stop}
diff --git a/include/configs/rcar-gen3-common.h b/include/configs/rcar-gen3-common.h
index 6528f1fa622..8f400ba05a0 100644
--- a/include/configs/rcar-gen3-common.h
+++ b/include/configs/rcar-gen3-common.h
@@ -47,7 +47,7 @@
 
 #define CONFIG_SYS_MONITOR_BASE		0x00000000
 #define CONFIG_SYS_MONITOR_LEN		(1 * 1024 * 1024)
-#define CONFIG_SYS_MALLOC_LEN		(1 * 1024 * 1024)
+#define CONFIG_SYS_MALLOC_LEN		(64 * 1024 * 1024)
 #define CONFIG_SYS_BOOTM_LEN		(64 << 20)
 
 /* The HF/QSPI layout permits up to 1 MiB large bootloader blob */
diff --git a/include/mmc.h b/include/mmc.h
index e83c22423bf..5e9d15cb41a 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -223,6 +223,9 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx)
 #define EXT_CSD_WR_REL_PARAM		166	/* R */
 #define EXT_CSD_WR_REL_SET		167	/* R/W */
 #define EXT_CSD_RPMB_MULT		168	/* RO */
+#define EXT_CSD_USER_WP			171	/* R/W & R/W/C_P & R/W/E_P */
+#define EXT_CSD_BOOT_WP			173	/* R/W & R/W/C_P */
+#define EXT_CSD_BOOT_WP_STATUS		174	/* R */
 #define EXT_CSD_ERASE_GROUP_DEF		175	/* R/W */
 #define EXT_CSD_BOOT_BUS_WIDTH		177
 #define EXT_CSD_PART_CONF		179	/* R/W */
@@ -488,6 +491,19 @@ struct dm_mmc_ops {
 	 * @return 0 if not present, 1 if present, -ve on error
 	 */
 	int (*host_power_cycle)(struct udevice *dev);
+
+	/**
+	 * get_b_max - get maximum length of single transfer
+	 *	       Called before reading blocks from the card,
+	 *	       useful for system which have e.g. DMA limits
+	 *	       on various memory ranges.
+	 *
+	 * @dev:	Device to check
+	 * @dst:	Destination buffer in memory
+	 * @blkcnt:	Total number of blocks in this transfer
+	 * @return maximum number of blocks for this transfer
+	 */
+	int (*get_b_max)(struct udevice *dev, void *dst, lbaint_t blkcnt);
 };
 
 #define mmc_get_ops(dev)        ((struct dm_mmc_ops *)(dev)->driver->ops)
@@ -501,6 +517,7 @@ int dm_mmc_execute_tuning(struct udevice *dev, uint opcode);
 int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout_us);
 int dm_mmc_host_power_cycle(struct udevice *dev);
 int dm_mmc_deferred_probe(struct udevice *dev);
+int dm_mmc_get_b_max(struct udevice *dev, void *dst, lbaint_t blkcnt);
 
 /* Transition functions for compatibility */
 int mmc_set_ios(struct mmc *mmc);
@@ -511,6 +528,7 @@ int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us);
 int mmc_set_enhanced_strobe(struct mmc *mmc);
 int mmc_host_power_cycle(struct mmc *mmc);
 int mmc_deferred_probe(struct mmc *mmc);
+int mmc_get_b_max(struct mmc *mmc, void *dst, lbaint_t blkcnt);
 
 #else
 struct mmc_ops {
@@ -521,6 +539,7 @@ struct mmc_ops {
 	int (*getcd)(struct mmc *mmc);
 	int (*getwp)(struct mmc *mmc);
 	int (*host_power_cycle)(struct mmc *mmc);
+	int (*get_b_max)(struct mmc *mmc, void *dst, lbaint_t blkcnt);
 };
 #endif
 
@@ -893,6 +912,26 @@ int mmc_get_env_dev(void);
  */
 struct blk_desc *mmc_get_blk_desc(struct mmc *mmc);
 
+/**
+ * mmc_send_ext_csd() - read the extended CSD register
+ *
+ * @mmc:	MMC device
+ * @ext_csd	a cache aligned buffer of length MMC_MAX_BLOCK_LEN allocated by
+ *		the caller, e.g. using
+ *		ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN)
+ * Return:	0 for success
+ */
+int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd);
+
+/**
+ * mmc_boot_wp() - power on write protect boot partitions
+ *
+ * The boot partitions are write protected until the next power cycle.
+ *
+ * Return:	0 for success
+ */
+int mmc_boot_wp(struct mmc *mmc);
+
 static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data)
 {
 	return data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
diff --git a/include/spl.h b/include/spl.h
index 5d8d14dbf5c..8b15cd4914c 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -238,8 +238,36 @@ int spl_load_imx_container(struct spl_image_info *spl_image,
 /* SPL common functions */
 void preloader_console_init(void);
 u32 spl_boot_device(void);
-u32 spl_boot_mode(const u32 boot_device);
-int spl_boot_partition(const u32 boot_device);
+
+/**
+ * spl_mmc_boot_mode() - Lookup function for the mode of an MMC boot source.
+ * @boot_device:	ID of the device which the MMC driver wants to read
+ *			from.  Common values are e.g. BOOT_DEVICE_MMC1,
+ *			BOOT_DEVICE_MMC2, BOOT_DEVICE_MMC2_2.
+ *
+ * This function should return one of MMCSD_MODE_FS, MMCSD_MODE_EMMCBOOT, or
+ * MMCSD_MODE_RAW for each MMC boot source which is defined for the target.  The
+ * boot_device parameter tells which device the MMC driver is interested in.
+ *
+ * If not overridden, it is weakly defined in common/spl/spl_mmc.c.
+ *
+ * Note:  It is important to use the boot_device parameter instead of e.g.
+ * spl_boot_device() as U-Boot is not always loaded from the same device as SPL.
+ */
+u32 spl_mmc_boot_mode(const u32 boot_device);
+
+/**
+ * spl_mmc_boot_partition() - MMC partition to load U-Boot from.
+ * @boot_device:	ID of the device which the MMC driver wants to load
+ *			U-Boot from.
+ *
+ * This function should return the partition number which the SPL
+ * should load U-Boot from (on the given boot_device) when
+ * CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION is set.
+ *
+ * If not overridden, it is weakly defined in common/spl/spl_mmc.c.
+ */
+int spl_mmc_boot_partition(const u32 boot_device);
 void spl_set_bd(void);
 
 /**