Merge https://gitlab.denx.de/u-boot/custodians/u-boot-spi

- distro boot support for SPI flash
- sifive spi flash driver

include/configs/rk3399_common.h

@@ -48,6 +48,8 @@
 
 #define ENV_MEM_LAYOUT_SETTINGS \
 	"scriptaddr=0x00500000\0" \
+	"script_offset_f=0xffe000\0" \
+	"script_size_f=0x2000\0" \
 	"pxefile_addr_r=0x00600000\0" \
 	"fdt_addr_r=0x01f00000\0" \
 	"kernel_addr_r=0x02080000\0" \
@@ -58,6 +60,7 @@
 #endif
 
 #include <config_distro_bootcmd.h>
+#include <environment/distro/sf.h>
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	ENV_MEM_LAYOUT_SETTINGS \
 	"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \

include/configs/rockchip-common.h

@@ -41,11 +41,26 @@
 	#define BOOT_TARGET_DHCP(func)
 #endif
 
+#if CONFIG_IS_ENABLED(CMD_SF)
+	#define BOOT_TARGET_SF(func)	func(SF, sf, 0)
+#else
+	#define BOOT_TARGET_SF(func)
+#endif
+
+#ifdef CONFIG_ROCKCHIP_RK3399
+#define BOOT_TARGET_DEVICES(func) \
+	BOOT_TARGET_MMC(func) \
+	BOOT_TARGET_USB(func) \
+	BOOT_TARGET_PXE(func) \
+	BOOT_TARGET_DHCP(func) \
+	BOOT_TARGET_SF(func)
+#else
 #define BOOT_TARGET_DEVICES(func) \
 	BOOT_TARGET_MMC(func) \
 	BOOT_TARGET_USB(func) \
 	BOOT_TARGET_PXE(func) \
 	BOOT_TARGET_DHCP(func)
+#endif
 
 #ifdef CONFIG_ARM64
 #define ROOT_UUID "B921B045-1DF0-41C3-AF44-4C6F280D3FAE;\0"

include/environment/distro/sf.h

@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2020 Amarula Solutions(India)
+ *
+ * SF distro configurations.
+ */
+
+#ifndef __DISTRO_SF_CONFIG_H
+#define __DISTRO_SF_CONFIG_H
+
+#if CONFIG_IS_ENABLED(CMD_SF)
+#define BOOTENV_SHARED_SF(devtypel)				\
+	#devtypel "_boot=" 					\
+	"if " #devtypel " probe ${busnum}; then "		\
+		"devtype=" #devtypel "; "	  		\
+		"run scan_sf_for_scripts; "	  		\
+	"fi\0"
+#define BOOTENV_DEV_SF(devtypeu, devtypel, instance) 		\
+	"bootcmd_" #devtypel #instance "=" 			\
+		"busnum=" #instance "; " 			\
+		"run " #devtypel "_boot\0"
+#define BOOTENV_DEV_NAME_SF(devtypeu, devtypel, instance) 	\
+	#devtypel #instance " "
+#else
+#define BOOTENV_SHARED_SF(devtypel)
+#define BOOTENV_DEV_SF \
+	BOOT_TARGET_DEVICES_references_SF_without_CONFIG_CMD_SF
+#define BOOTENV_DEV_NAME_SF \
+	BOOT_TARGET_DEVICES_references_SF_without_CONFIG_CMD_SF
+
+#endif /* CONFIG_CMD_SF */
+
+#define BOOTENV_SF \
+	BOOTENV_SHARED_SF(sf) \
+	"scan_sf_for_scripts="					\
+		"${devtype} read ${scriptaddr} "		\
+			"${script_offset_f} ${script_size_f}; "	\
+		"source ${scriptaddr}; "			\
+		"echo SCRIPT FAILED: continuing...\0"
+
+#endif /* __DISTRO_SF_CONFIG_H */

include/linux/mtd/spi-nor.h

@@ -22,6 +22,7 @@
 #define SNOR_MFR_INTEL		CFI_MFR_INTEL
 #define SNOR_MFR_ST		CFI_MFR_ST /* ST Micro <--> Micron */
 #define SNOR_MFR_MICRON		CFI_MFR_MICRON /* ST Micro <--> Micron */
+#define SNOR_MFR_ISSI		CFI_MFR_PMC
 #define SNOR_MFR_MACRONIX	CFI_MFR_MACRONIX
 #define SNOR_MFR_SPANSION	CFI_MFR_AMD
 #define SNOR_MFR_SST		CFI_MFR_SST

include/linux/mtd/spinand.h

@@ -204,6 +204,7 @@ struct spinand_manufacturer {
 extern const struct spinand_manufacturer gigadevice_spinand_manufacturer;
 extern const struct spinand_manufacturer macronix_spinand_manufacturer;
 extern const struct spinand_manufacturer micron_spinand_manufacturer;
+extern const struct spinand_manufacturer toshiba_spinand_manufacturer;
 extern const struct spinand_manufacturer winbond_spinand_manufacturer;
 
 /**

include/spi-mem.h

@@ -60,10 +60,12 @@
 /**
  * enum spi_mem_data_dir - describes the direction of a SPI memory data
  *			   transfer from the controller perspective
+ * @SPI_MEM_NO_DATA: no data transferred
  * @SPI_MEM_DATA_IN: data coming from the SPI memory
  * @SPI_MEM_DATA_OUT: data sent the SPI memory
  */
 enum spi_mem_data_dir {
+	SPI_MEM_NO_DATA,
 	SPI_MEM_DATA_IN,
 	SPI_MEM_DATA_OUT,
 };