73 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (C) 2012 Stefan Roese <sr@denx.de>
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|  *
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| #include <common.h>
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| #include <spl.h>
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| 
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| int spl_nor_load_image(void)
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| {
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| 	int ret;
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| 	/*
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| 	 * Loading of the payload to SDRAM is done with skipping of
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| 	 * the mkimage header in this SPL NOR driver
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| 	 */
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| 	spl_image.flags |= SPL_COPY_PAYLOAD_ONLY;
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| 
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| #ifdef CONFIG_SPL_OS_BOOT
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| 	if (!spl_start_uboot()) {
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| 		const struct image_header *header;
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| 
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| 		/*
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| 		 * Load Linux from its location in NOR flash to its defined
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| 		 * location in SDRAM
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| 		 */
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| 		header = (const struct image_header *)CONFIG_SYS_OS_BASE;
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| 
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| 		if (image_get_os(header) == IH_OS_LINUX) {
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| 			/* happy - was a Linux */
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| 
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| 			ret = spl_parse_image_header(header);
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| 			if (ret)
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| 				return ret;
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| 
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| 			memcpy((void *)spl_image.load_addr,
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| 			       (void *)(CONFIG_SYS_OS_BASE +
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| 					sizeof(struct image_header)),
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| 			       spl_image.size);
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| 
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| 			/*
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| 			 * Copy DT blob (fdt) to SDRAM. Passing pointer to
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| 			 * flash doesn't work
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| 			 */
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| 			memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
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| 			       (void *)(CONFIG_SYS_FDT_BASE),
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| 			       CONFIG_SYS_FDT_SIZE);
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| 
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| 			return 0;
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| 		} else {
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| 			puts("The Expected Linux image was not found.\n"
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| 			     "Please check your NOR configuration.\n"
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| 			     "Trying to start u-boot now...\n");
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| 		}
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| 	}
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| #endif
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| 
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| 	/*
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| 	 * Load real U-Boot from its location in NOR flash to its
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| 	 * defined location in SDRAM
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| 	 */
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| 	ret = spl_parse_image_header(
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| 			(const struct image_header *)CONFIG_SYS_UBOOT_BASE);
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| 	if (ret)
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| 		return ret;
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| 
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| 	memcpy((void *)(unsigned long)spl_image.load_addr,
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| 	       (void *)(CONFIG_SYS_UBOOT_BASE + sizeof(struct image_header)),
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| 	       spl_image.size);
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| 
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| 	return 0;
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| }
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