Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 175 insertions, 0 deletions

diff --git a/roms/u-boot/tools/mksunxiboot.c b/roms/u-boot/tools/mksunxiboot.c
new file mode 100644
index 000000000..a18c9d98b
--- /dev/null
+++ b/roms/u-boot/tools/mksunxiboot.c
@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2007-2011
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Tom Cubie <tangliang@allwinnertech.com>
+ *
+ * a simple tool to generate bootable image for sunxi platform.
+ */
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "imagetool.h"
+#include "../arch/arm/include/asm/arch-sunxi/spl.h"
+
+#define STAMP_VALUE                     0x5F0A6C39
+
+/* check sum functon from sun4i boot code */
+int gen_check_sum(struct boot_file_head *head_p)
+{
+	uint32_t length;
+	uint32_t *buf;
+	uint32_t loop;
+	uint32_t i;
+	uint32_t sum;
+
+	length = le32_to_cpu(head_p->length);
+	if ((length & 0x3) != 0)	/* must 4-byte-aligned */
+		return -1;
+	buf = (uint32_t *)head_p;
+	head_p->check_sum = cpu_to_le32(STAMP_VALUE);	/* fill stamp */
+	loop = length >> 2;
+
+	/* calculate the sum */
+	for (i = 0, sum = 0; i < loop; i++)
+		sum += le32_to_cpu(buf[i]);
+
+	/* write back check sum */
+	head_p->check_sum = cpu_to_le32(sum);
+
+	return 0;
+}
+
+#define SUNXI_SRAM_SIZE 0x8000	/* SoC with smaller size are limited before */
+#define SRAM_LOAD_MAX_SIZE (SUNXI_SRAM_SIZE - sizeof(struct boot_file_head))
+
+/*
+ * BROM (at least on A10 and A20) requires NAND-images to be explicitly aligned
+ * to a multiple of 8K, and rejects the image otherwise. MMC-images are fine
+ * with 512B blocks. To cater for both, align to the largest of the two.
+ */
+#define BLOCK_SIZE 0x2000
+
+struct boot_img {
+	struct boot_file_head header;
+	char code[SRAM_LOAD_MAX_SIZE];
+	char pad[BLOCK_SIZE];
+};
+
+int main(int argc, char *argv[])
+{
+	int fd_in, fd_out;
+	struct boot_img img;
+	unsigned file_size;
+	int count;
+	char *tool_name = argv[0];
+	char *default_dt = NULL;
+
+	/* a sanity check */
+	if ((sizeof(img.header) % 32) != 0) {
+		fprintf(stderr, "ERROR: the SPL header must be a multiple ");
+		fprintf(stderr, "of 32 bytes.\n");
+		return EXIT_FAILURE;
+	}
+
+	/* process optional command line switches */
+	while (argc >= 2 && argv[1][0] == '-') {
+		if (strcmp(argv[1], "--default-dt") == 0) {
+			if (argc >= 3) {
+				default_dt = argv[2];
+				argv += 2;
+				argc -= 2;
+				continue;
+			}
+			fprintf(stderr, "ERROR: no --default-dt arg\n");
+			return EXIT_FAILURE;
+		} else {
+			fprintf(stderr, "ERROR: bad option '%s'\n", argv[1]);
+			return EXIT_FAILURE;
+		}
+	}
+
+	if (argc < 3) {
+		printf("This program converts an input binary file to a sunxi bootable image.\n");
+		printf("\nUsage: %s [options] input_file output_file\n",
+		       tool_name);
+		printf("Where [options] may be:\n");
+		printf("  --default-dt arg         - 'arg' is the default device tree name\n");
+		printf("                             (CONFIG_DEFAULT_DEVICE_TREE).\n");
+		return EXIT_FAILURE;
+	}
+
+	fd_in = open(argv[1], O_RDONLY);
+	if (fd_in < 0) {
+		perror("Open input file");
+		return EXIT_FAILURE;
+	}
+
+	memset(&img, 0, sizeof(img));
+
+	/* get input file size */
+	file_size = lseek(fd_in, 0, SEEK_END);
+
+	if (file_size > SRAM_LOAD_MAX_SIZE) {
+		fprintf(stderr, "ERROR: File too large!\n");
+		return EXIT_FAILURE;
+	}
+
+	fd_out = open(argv[2], O_WRONLY | O_CREAT, 0666);
+	if (fd_out < 0) {
+		perror("Open output file");
+		return EXIT_FAILURE;
+	}
+
+	/* read file to buffer to calculate checksum */
+	lseek(fd_in, 0, SEEK_SET);
+	count = read(fd_in, img.code, file_size);
+	if (count != file_size) {
+		perror("Reading input image");
+		return EXIT_FAILURE;
+	}
+
+	/* fill the header */
+	img.header.b_instruction =	/* b instruction */
+		0xEA000000 |	/* jump to the first instr after the header */
+		((sizeof(struct boot_file_head) / sizeof(int) - 2)
+		 & 0x00FFFFFF);
+	memcpy(img.header.magic, BOOT0_MAGIC, 8);	/* no '0' termination */
+	img.header.length =
+		ALIGN(file_size + sizeof(struct boot_file_head), BLOCK_SIZE);
+	img.header.b_instruction = cpu_to_le32(img.header.b_instruction);
+	img.header.length = cpu_to_le32(img.header.length);
+
+	memcpy(img.header.spl_signature, SPL_SIGNATURE, 3); /* "sunxi" marker */
+	img.header.spl_signature[3] = SPL_HEADER_VERSION;
+
+	if (default_dt) {
+		if (strlen(default_dt) + 1 <= sizeof(img.header.string_pool)) {
+			strcpy((char *)img.header.string_pool, default_dt);
+			img.header.dt_name_offset =
+				cpu_to_le32(offsetof(struct boot_file_head,
+						     string_pool));
+		} else {
+			printf("WARNING: The SPL header is too small\n");
+			printf("         and has no space to store the dt name.\n");
+		}
+	}
+
+	gen_check_sum(&img.header);
+
+	count = write(fd_out, &img, le32_to_cpu(img.header.length));
+	if (count != le32_to_cpu(img.header.length)) {
+		perror("Writing output");
+		return EXIT_FAILURE;
+	}
+
+	close(fd_in);
+	close(fd_out);
+
+	return EXIT_SUCCESS;
+}