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	This converts the following to Kconfig: CONFIG_SYS_SPL_ARGS_ADDR In doing so, we also consistently use this variable for SPL_OS_BOOT and not CONFIG_SYS_FDT_BASE in some cases. Signed-off-by: Tom Rini <trini@konsulko.com>
		
			
				
	
	
		
			123 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * Copyright (C) 2012 Stefan Roese <sr@denx.de>
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 */
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#include <common.h>
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#include <image.h>
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#include <log.h>
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#include <spl.h>
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static ulong spl_nor_load_read(struct spl_load_info *load, ulong sector,
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			       ulong count, void *buf)
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{
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	debug("%s: sector %lx, count %lx, buf %p\n",
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	      __func__, sector, count, buf);
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	memcpy(buf, (void *)sector, count);
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	return count;
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}
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unsigned long __weak spl_nor_get_uboot_base(void)
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{
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	return CONFIG_SYS_UBOOT_BASE;
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}
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static int spl_nor_load_image(struct spl_image_info *spl_image,
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			      struct spl_boot_device *bootdev)
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{
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	__maybe_unused const struct image_header *header;
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	__maybe_unused struct spl_load_info load;
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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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#if CONFIG_IS_ENABLED(OS_BOOT)
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	if (!spl_start_uboot()) {
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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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#ifdef CONFIG_SPL_LOAD_FIT
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		if (image_get_magic(header) == FDT_MAGIC) {
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			int ret;
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			debug("Found FIT\n");
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			load.bl_len = 1;
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			load.read = spl_nor_load_read;
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			ret = spl_load_simple_fit(spl_image, &load,
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						  CONFIG_SYS_OS_BASE,
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						  (void *)header);
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#if defined CONFIG_SYS_SPL_ARGS_ADDR && defined CONFIG_CMD_SPL_NOR_OFS
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			memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
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			       (void *)CONFIG_CMD_SPL_NOR_OFS,
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			       CONFIG_CMD_SPL_WRITE_SIZE);
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#endif
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			return ret;
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		}
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#endif
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		if (image_get_os(header) == IH_OS_LINUX) {
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			/* happy - was a Linux */
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			int ret;
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			ret = spl_parse_image_header(spl_image, bootdev, header);
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			if (ret)
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				return ret;
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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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#ifdef CONFIG_SYS_SPL_ARGS_ADDR
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			spl_image->arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
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#endif
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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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	 * 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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#ifdef CONFIG_SPL_LOAD_FIT
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	header = (const struct image_header *)spl_nor_get_uboot_base();
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	if (image_get_magic(header) == FDT_MAGIC) {
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		debug("Found FIT format U-Boot\n");
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		load.bl_len = 1;
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		load.read = spl_nor_load_read;
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		return spl_load_simple_fit(spl_image, &load,
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					   spl_nor_get_uboot_base(),
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					   (void *)header);
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	}
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#endif
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	if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
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		load.bl_len = 1;
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		load.read = spl_nor_load_read;
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		return spl_load_imx_container(spl_image, &load,
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					      spl_nor_get_uboot_base());
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	}
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	/* Legacy image handling */
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	if (IS_ENABLED(CONFIG_SPL_LEGACY_IMAGE_FORMAT)) {
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		load.bl_len = 1;
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		load.read = spl_nor_load_read;
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		return spl_load_legacy_img(spl_image, bootdev, &load,
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					   spl_nor_get_uboot_base());
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	}
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	return 0;
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}
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SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image);
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