140 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			140 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * SPDX-License-Identifier:	GPL-2.0+
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 */
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#include <common.h>
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#include <spl.h>
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#include <asm/u-boot.h>
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#include <ext4fs.h>
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#include <image.h>
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#ifdef CONFIG_SPL_EXT_SUPPORT
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int spl_load_image_ext(block_dev_desc_t *block_dev,
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						int partition,
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						const char *filename)
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{
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	s32 err;
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	struct image_header *header;
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	loff_t filelen, actlen;
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	disk_partition_t part_info = {};
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	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
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						sizeof(struct image_header));
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	if (get_partition_info(block_dev,
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			       partition, &part_info)) {
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		printf("spl: no partition table found\n");
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		return -1;
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	}
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	ext4fs_set_blk_dev(block_dev, &part_info);
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	err = ext4fs_mount(0);
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	if (!err) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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		printf("%s: ext4fs mount err - %d\n", __func__, err);
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#endif
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		goto end;
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	}
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	err = ext4fs_open(filename, &filelen);
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	if (err < 0) {
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		puts("spl: ext4fs_open failed\n");
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		goto end;
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	}
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	err = ext4fs_read((char *)header, sizeof(struct image_header), &actlen);
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	if (err < 0) {
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		puts("spl: ext4fs_read failed\n");
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		goto end;
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	}
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	spl_parse_image_header(header);
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	err = ext4fs_read((char *)spl_image.load_addr, filelen, &actlen);
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end:
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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	if (err < 0)
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		printf("%s: error reading image %s, err - %d\n",
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		       __func__, filename, err);
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#endif
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	return err < 0;
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}
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#ifdef CONFIG_SPL_OS_BOOT
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int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition)
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{
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	int err;
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	__maybe_unused loff_t filelen, actlen;
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	disk_partition_t part_info = {};
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	__maybe_unused char *file;
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	if (get_partition_info(block_dev,
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			       partition, &part_info)) {
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		printf("spl: no partition table found\n");
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		return -1;
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	}
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	ext4fs_set_blk_dev(block_dev, &part_info);
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	err = ext4fs_mount(0);
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	if (!err) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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		printf("%s: ext4fs mount err - %d\n", __func__, err);
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#endif
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		return -1;
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	}
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#if defined(CONFIG_SPL_ENV_SUPPORT) && defined(CONFIG_SPL_OS_BOOT)
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	file = getenv("falcon_args_file");
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	if (file) {
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		err = ext4fs_open(file, &filelen);
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		if (err < 0) {
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			puts("spl: ext4fs_open failed\n");
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			goto defaults;
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		}
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		err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen, &actlen);
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		if (err < 0) {
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			printf("spl: error reading image %s, err - %d, falling back to default\n",
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			       file, err);
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			goto defaults;
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		}
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		file = getenv("falcon_image_file");
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		if (file) {
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			err = spl_load_image_ext(block_dev, partition, file);
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			if (err != 0) {
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				puts("spl: falling back to default\n");
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				goto defaults;
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			}
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			return 0;
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		} else {
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			puts("spl: falcon_image_file not set in environment, falling back to default\n");
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		}
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	} else {
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		puts("spl: falcon_args_file not set in environment, falling back to default\n");
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	}
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defaults:
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#endif
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	err = ext4fs_open(CONFIG_SPL_FS_LOAD_ARGS_NAME, &filelen);
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	if (err < 0)
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		puts("spl: ext4fs_open failed\n");
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	err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen, &actlen);
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	if (err < 0) {
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#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
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		printf("%s: error reading image %s, err - %d\n",
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		       __func__, CONFIG_SPL_FS_LOAD_ARGS_NAME, err);
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#endif
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		return -1;
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	}
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	return spl_load_image_ext(block_dev, partition,
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			CONFIG_SPL_FS_LOAD_KERNEL_NAME);
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}
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#endif
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#endif
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