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	The Rockchip BootROM relies on init_size being aligned to 2KB (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html). This pads the image to 2KB both for SD card images and SPI images and uses a common symbolic constant for the alignment. Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Reviewed-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			72 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * (C) Copyright 2015 Google,  Inc
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 * Written by Simon Glass <sjg@chromium.org>
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 *
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 * SPDX-License-Identifier:	GPL-2.0+
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 *
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 * See README.rockchip for details of the rksd format
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 */
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#include "imagetool.h"
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#include <image.h>
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#include <rc4.h>
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#include "mkimage.h"
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#include "rkcommon.h"
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static void rksd_set_header(void *buf,  struct stat *sbuf,  int ifd,
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			    struct image_tool_params *params)
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{
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	unsigned int size;
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	int ret;
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	/*
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	 * We need to calculate this using 'RK_SPL_HDR_START' and not using
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	 * 'tparams->header_size', as the additional byte inserted when
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	 * 'is_boot0' is true counts towards the payload (and not towards the
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	 * header).
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	 */
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	size = params->file_size - RK_SPL_HDR_START;
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	ret = rkcommon_set_header(buf, size, params);
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	if (ret) {
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		/* TODO(sjg@chromium.org): This method should return an error */
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		printf("Warning: SPL image is too large (size %#x) and will "
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		       "not boot\n", size);
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	}
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}
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static int rksd_check_image_type(uint8_t type)
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{
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	if (type == IH_TYPE_RKSD)
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		return EXIT_SUCCESS;
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	else
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		return EXIT_FAILURE;
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}
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static int rksd_vrec_header(struct image_tool_params *params,
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			    struct image_type_params *tparams)
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{
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	/*
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	 * Pad to a 2KB alignment, as required for init_size by the ROM
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	 * (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html)
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	 */
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	return rkcommon_vrec_header(params, tparams, RK_INIT_SIZE_ALIGN);
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}
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/*
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 * rk_sd parameters
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 */
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U_BOOT_IMAGE_TYPE(
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	rksd,
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	"Rockchip SD Boot Image support",
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	0,
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	NULL,
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	rkcommon_check_params,
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	rkcommon_verify_header,
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	rkcommon_print_header,
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	rksd_set_header,
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	NULL,
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	rksd_check_image_type,
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	NULL,
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	rksd_vrec_header
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);
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