Merge branch 'next' of https://source.denx.de/u-boot/custodians/u-boot-riscv into next

+ Add NVMe & USB boot devices for VisionFive2
+ Add StarFive SPL image support in mkimage tool

arch/riscv/Kconfig

@@ -26,6 +26,7 @@ config TARGET_SIFIVE_UNMATCHED
 
 config TARGET_STARFIVE_VISIONFIVE2
 	bool "Support StarFive VisionFive2 Board"
+	select BOARD_LATE_INIT
 
 config TARGET_TH1520_LPI4A
 	bool "Support Sipeed's TH1520 Lichee PI 4A Board"

arch/riscv/dts/jh7110-starfive-visionfive-2-u-boot.dtsi

@@ -103,4 +103,15 @@
 			};
 		};
 	};
+
+	spl-img {
+		filename = "spl/u-boot-spl.bin.normal.out";
+
+		mkimage {
+			args = "-T sfspl";
+
+			u-boot-spl {
+			};
+	};
+};
 };

board/starfive/visionfive2/starfive_visionfive2.c

@@ -5,14 +5,20 @@
  */
 
 #include <common.h>
-#include <asm/io.h>
-#include <asm/sections.h>
 #include <cpu_func.h>
 #include <dm.h>
+#include <env.h>
+#include <asm/arch/eeprom.h>
+#include <asm/io.h>
+#include <asm/sections.h>
 #include <linux/bitops.h>
 
 #define JH7110_L2_PREFETCHER_BASE_ADDR		0x2030000
 #define JH7110_L2_PREFETCHER_HART_OFFSET	0x2000
+#define FDTFILE_VISIONFIVE2_1_2A \
+	"starfive/jh7110-starfive-visionfive-2-v1.2a.dtb"
+#define FDTFILE_VISIONFIVE2_1_3B \
+	"starfive/jh7110-starfive-visionfive-2-v1.3b.dtb"
 
 /* enable U74-mc hart1~hart4 prefetcher */
 static void enable_prefetcher(void)
@@ -33,6 +39,31 @@ static void enable_prefetcher(void)
 	}
 }
 
+/**
+ * set_fdtfile() - set the $fdtfile variable based on the board revision
+ */
+static void set_fdtfile(void)
+{
+	u8 version;
+	const char *fdtfile;
+
+	version = get_pcb_revision_from_eeprom();
+	switch (version) {
+	case 'a':
+	case 'A':
+		fdtfile = FDTFILE_VISIONFIVE2_1_2A;
+	        break;
+
+	case 'b':
+	case 'B':
+	default:
+		fdtfile = FDTFILE_VISIONFIVE2_1_3B;
+	        break;
+	};
+
+	env_set("fdtfile", fdtfile);
+}
+
 int board_init(void)
 {
 	enable_caches();
@@ -41,6 +72,14 @@ int board_init(void)
 	return 0;
 }
 
+int board_late_init(void)
+{
+	if (CONFIG_IS_ENABLED(ID_EEPROM))
+		set_fdtfile();
+
+	return 0;
+}
+
 void *board_fdt_blob_setup(int *err)
 {
 	*err = 0;

boot/image.c

@@ -182,6 +182,7 @@ static const table_entry_t uimage_type[] = {
 	{	IH_TYPE_SUNXI_TOC0, "sunxi_toc0",  "Allwinner TOC0 Boot Image" },
 	{	IH_TYPE_FDT_LEGACY, "fdt_legacy", "legacy Image with Flat Device Tree ", },
 	{	IH_TYPE_RENESAS_SPKG, "spkgimage", "Renesas SPKG Image" },
+	{	IH_TYPE_STARFIVE_SPL, "sfspl", "StarFive SPL Image" },
 	{	-1,		    "",		  "",			},
 };
 

doc/board/starfive/visionfive2.rst

@@ -65,18 +65,8 @@ Now build the U-Boot SPL and U-Boot proper
 	make starfive_visionfive2_defconfig
 	make OPENSBI=$(opensbi_dir)/opensbi/build/platform/generic/firmware/fw_dynamic.bin
 
-This will generate spl/u-boot-spl.bin and FIT image (u-boot.itb)
-
-u-boot-spl.bin cannot be used directly on StarFive VisionFive2,we need
-to convert the u-boot-spl.bin to u-boot-spl.bin.normal.out with
-the below command:
-
-	./spl_tool -c -f $(Uboot_PATH)/spl/u-boot-spl.bin
-
-More detailed description of spl_tool,please refer spl_tool documenation.
-(Note: spl_tool git repo is at https://github.com/starfive-tech/Tools/tree/master/spl_tool)
-
-This will generate u-boot-spl.bin.normal.out file.
+This will generate the U-Boot SPL image (spl/u-boot-spl.bin.normal.out) as well
+as the FIT image (u-boot.itb) with OpenSBI and U-Boot.
 
 Flashing
 ~~~~~~~~

include/configs/starfive-visionfive2.h

@@ -18,6 +18,9 @@
 /* Environment options */
 
 #define BOOT_TARGET_DEVICES(func) \
+	func(NVME, nvme, 0) \
+	func(USB, usb, 0) \
+	func(MMC, mmc, 0) \
 	func(MMC, mmc, 1) \
 	func(DHCP, dhcp, na)
 

include/image.h

@@ -231,6 +231,7 @@ enum image_type_t {
 	IH_TYPE_SUNXI_TOC0,		/* Allwinner TOC0 Boot Image */
 	IH_TYPE_FDT_LEGACY,		/* Binary Flat Device Tree Blob	in a Legacy Image */
 	IH_TYPE_RENESAS_SPKG,		/* Renesas SPKG image */
+	IH_TYPE_STARFIVE_SPL,		/* StarFive SPL image */
 
 	IH_TYPE_COUNT,			/* Number of image types */
 };

tools/Makefile

@@ -123,6 +123,7 @@ dumpimage-mkimage-objs := aisimage.o \
 			pblimage.o \
 			pbl_crc32.o \
 			renesas_spkgimage.o \
+			sfspl.o \
 			vybridimage.o \
 			stm32image.o \
 			$(ROCKCHIP_OBS) \

tools/sfspl.c

@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
+ *
+ * The StarFive JH7110 requires to prepend a header to u-boot-spl.bin describing
+ * the payload length and CRC32.
+ *
+ * This module implements support in mkimage and dumpimage for this file format.
+ *
+ * StarFive's spl_tool available under GPL-2.0-and-later at
+ * https://github.com/starfive-tech/Tools implements writing the same file
+ * format and served as a reference.
+ */
+
+#include <compiler.h>
+#include <fcntl.h>
+#include <u-boot/crc.h>
+#include <unistd.h>
+#include "imagetool.h"
+
+#define DEFAULT_VERSION 0x01010101
+#define DEFAULT_BACKUP 0x200000U
+#define DEFAULT_OFFSET 0x240
+
+/**
+ * struct spl_hdr - header for SPL on JH7110
+ *
+ * All fields are low-endian.
+ */
+struct spl_hdr {
+	/** @offset:	offset to SPL header (0x240) */
+	unsigned int offset;
+	/** @bkp_offs:	address of backup SPL, defaults to DEFAULT_BACKUP */
+	unsigned int bkp_offs;
+	/** @zero1:	set to zero */
+	unsigned int zero1[159];
+	/** @version:	header version, defaults to DEFAULT_VERSION */
+	unsigned int version;
+	/** @file_size:	file size */
+	unsigned int file_size;
+	/** @hdr_size:	size of the file header (0x400) */
+	unsigned int hdr_size;
+	/** @crc32:	CRC32 */
+	unsigned int crc32;
+	/** @zero2:	set to zero */
+	unsigned int zero2[91];
+};
+
+static int sfspl_check_params(struct image_tool_params *params)
+{
+	/* Only the RISC-V architecture is supported */
+	if (params->Aflag && params->arch != IH_ARCH_RISCV)
+		return EXIT_FAILURE;
+
+	return EXIT_SUCCESS;
+}
+
+static int sfspl_verify_header(unsigned char *buf, int size,
+			       struct image_tool_params *params)
+{
+	struct spl_hdr *hdr = (void *)buf;
+	unsigned int hdr_size = le32_to_cpu(hdr->hdr_size);
+	unsigned int file_size = le32_to_cpu(hdr->file_size);
+	unsigned int crc = le32_to_cpu(hdr->crc32);
+	unsigned int crc_check;
+
+	if (size < 0 ||
+	    (size_t)size < sizeof(struct spl_hdr) ||
+	    (size_t)size < hdr_size + file_size) {
+		printf("Truncated file\n");
+		return EXIT_FAILURE;
+	}
+	if (hdr->version != DEFAULT_VERSION) {
+		printf("Unknown file format version\n");
+		return EXIT_FAILURE;
+	}
+	crc_check = crc32(0, &buf[hdr_size], size - hdr_size);
+	if (crc_check != crc) {
+		printf("Incorrect CRC32\n");
+		return EXIT_FAILURE;
+	}
+
+	return EXIT_SUCCESS;
+}
+
+static void sfspl_print_header(const void *buf,
+			       struct image_tool_params *params)
+{
+	struct spl_hdr *hdr = (void *)buf;
+	unsigned int hdr_size = le32_to_cpu(hdr->hdr_size);
+	unsigned int file_size = le32_to_cpu(hdr->file_size);
+
+	printf("Header size: %u\n", hdr_size);
+	printf("Payload size: %u\n", file_size);
+}
+
+static int sfspl_image_extract_subimage(void *ptr,
+					struct image_tool_params *params)
+{
+	struct spl_hdr *hdr = (void *)ptr;
+	unsigned char *buf = ptr;
+	int fd;
+	unsigned int hdr_size = le32_to_cpu(hdr->hdr_size);
+	unsigned int file_size = le32_to_cpu(hdr->file_size);
+
+	if (params->pflag) {
+		printf("Invalid image index %d\n", params->pflag);
+		return EXIT_FAILURE;
+	}
+
+	fd = open(params->outfile, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+	if (fd == -1) {
+		perror("Can write file");
+		return EXIT_FAILURE;
+	}
+	if (write(fd, &buf[hdr_size], file_size) != file_size) {
+		perror("Cannot write file");
+		return EXIT_FAILURE;
+	}
+	close(fd);
+
+	return EXIT_SUCCESS;
+}
+
+static int sfspl_check_image_type(uint8_t type)
+{
+	if (type == IH_TYPE_STARFIVE_SPL)
+		return EXIT_SUCCESS;
+
+	return EXIT_FAILURE;
+}
+
+static void sfspl_set_header(void *buf, struct stat *sbuf, int infd,
+			     struct image_tool_params *params)
+{
+	struct spl_hdr *hdr = buf;
+	unsigned int file_size;
+	unsigned int crc;
+
+	file_size = params->file_size - sizeof(struct spl_hdr);
+	crc = crc32(0, &((unsigned char *)buf)[sizeof(struct spl_hdr)],
+		    file_size);
+
+	hdr->offset = cpu_to_le32(DEFAULT_OFFSET);
+	hdr->bkp_offs = cpu_to_le32(DEFAULT_BACKUP);
+	hdr->version = cpu_to_le32(DEFAULT_VERSION);
+	hdr->file_size = cpu_to_le32(file_size);
+	hdr->hdr_size = cpu_to_le32(sizeof(struct spl_hdr));
+	hdr->crc32 = cpu_to_le32(crc);
+}
+
+static int sfspl_vrec_header(struct image_tool_params *params,
+			     struct image_type_params *tparams)
+{
+	tparams->hdr = calloc(sizeof(struct spl_hdr), 1);
+
+	/* No padding */
+	return 0;
+}
+
+U_BOOT_IMAGE_TYPE(
+	sfspl, /* id */
+	"StarFive SPL Image", /* name */
+	sizeof(struct spl_hdr), /* header_size */
+	NULL, /* header */
+	sfspl_check_params, /* check_params */
+	sfspl_verify_header, /* verify header */
+	sfspl_print_header, /* print header */
+	sfspl_set_header, /* set header */
+	sfspl_image_extract_subimage, /* extract_subimage */
+	sfspl_check_image_type, /* check_image_type */
+	NULL, /* fflag_handle */
+	sfspl_vrec_header /* vrec_header */
+);