[people/ms/u-boot.git] / tools / rksd.c

/*
 * (C) Copyright 2015 Google,  Inc
 * Written by Simon Glass <sjg@chromium.org>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 *
 * See README.rockchip for details of the rksd format
 */

#include "imagetool.h"
#include <image.h>
#include <rc4.h>
#include "mkimage.h"
#include "rkcommon.h"

enum {
	RKSD_SPL_HDR_START	= RK_INIT_OFFSET * RK_BLK_SIZE,
	RKSD_SPL_START		= RKSD_SPL_HDR_START + 4,
	RKSD_HEADER_LEN		= RKSD_SPL_START,
};

static char dummy_hdr[RKSD_HEADER_LEN];

static int rksd_check_params(struct image_tool_params *params)
{
	return 0;
}

static int rksd_verify_header(unsigned char *buf,  int size,
				 struct image_tool_params *params)
{
	return 0;
}

static void rksd_print_header(const void *buf)
{
}

static void rksd_set_header(void *buf,  struct stat *sbuf,  int ifd,
			       struct image_tool_params *params)
{
	unsigned int size;
	int ret;

	size = params->file_size - RKSD_SPL_HDR_START;
	ret = rkcommon_set_header(buf, size);
	if (ret) {
		/* TODO(sjg@chromium.org): This method should return an error */
		printf("Warning: SPL image is too large (size %#x) and will not boot\n",
		       size);
	}

	memcpy(buf + RKSD_SPL_HDR_START, CONFIG_ROCKCHIP_SPL_HDR, 4);
}

static int rksd_extract_subimage(void *buf,  struct image_tool_params *params)
{
	return 0;
}

static int rksd_check_image_type(uint8_t type)
{
	if (type == IH_TYPE_RKSD)
		return EXIT_SUCCESS;
	else
		return EXIT_FAILURE;
}

/* We pad the file out to a fixed size - this method returns that size */
static int rksd_vrec_header(struct image_tool_params *params,
			    struct image_type_params *tparams)
{
	int pad_size;

	pad_size = RKSD_SPL_HDR_START + CONFIG_ROCKCHIP_MAX_SPL_SIZE;
	debug("pad_size %x\n", pad_size);

	return pad_size - params->file_size;
}

/*
 * rk_sd parameters
 */
U_BOOT_IMAGE_TYPE(
	rksd,
	"Rockchip SD Boot Image support",
	RKSD_HEADER_LEN,
	dummy_hdr,
	rksd_check_params,
	rksd_verify_header,
	rksd_print_header,
	rksd_set_header,
	rksd_extract_subimage,
	rksd_check_image_type,
	NULL,
	rksd_vrec_header
);
Commit	Line	Data
f9a3c278 SG	1	/*
	2	* (C) Copyright 2015 Google, Inc
	3	* Written by Simon Glass <sjg@chromium.org>
	4	*
	5	* SPDX-License-Identifier: GPL-2.0+
	6	*
	7	* See README.rockchip for details of the rksd format
	8	*/
	9
	10	#include "imagetool.h"
	11	#include <image.h>
	12	#include <rc4.h>
	13	#include "mkimage.h"
	14	#include "rkcommon.h"
	15
	16	enum {
3641339e	17	RKSD_SPL_HDR_START = RK_INIT_OFFSET * RK_BLK_SIZE,
f9a3c278 SG	18	RKSD_SPL_START = RKSD_SPL_HDR_START + 4,
	19	RKSD_HEADER_LEN = RKSD_SPL_START,
	20	};
	21
	22	static char dummy_hdr[RKSD_HEADER_LEN];
	23
	24	static int rksd_check_params(struct image_tool_params *params)
	25	{
	26	return 0;
	27	}
	28
	29	static int rksd_verify_header(unsigned char *buf, int size,
	30	struct image_tool_params *params)
	31	{
	32	return 0;
	33	}
	34
	35	static void rksd_print_header(const void *buf)
	36	{
	37	}
	38
	39	static void rksd_set_header(void buf, struct stat sbuf, int ifd,
	40	struct image_tool_params *params)
	41	{
	42	unsigned int size;
	43	int ret;
	44
f9a3c278	45	size = params->file_size - RKSD_SPL_HDR_START;
dd39bcaf	46	ret = rkcommon_set_header(buf, size);
f9a3c278 SG	47	if (ret) {
	48	/* TODO(sjg@chromium.org): This method should return an error */
	49	printf("Warning: SPL image is too large (size %#x) and will not boot\n",
	50	size);
	51	}
	52
6ae58609	53	memcpy(buf + RKSD_SPL_HDR_START, CONFIG_ROCKCHIP_SPL_HDR, 4);
f9a3c278 SG	54	}
	55
	56	static int rksd_extract_subimage(void buf, struct image_tool_params params)
	57	{
	58	return 0;
	59	}
	60
	61	static int rksd_check_image_type(uint8_t type)
	62	{
	63	if (type == IH_TYPE_RKSD)
	64	return EXIT_SUCCESS;
	65	else
	66	return EXIT_FAILURE;
	67	}
	68
	69	/* We pad the file out to a fixed size - this method returns that size */
	70	static int rksd_vrec_header(struct image_tool_params *params,
	71	struct image_type_params *tparams)
	72	{
	73	int pad_size;
	74
6ae58609	75	pad_size = RKSD_SPL_HDR_START + CONFIG_ROCKCHIP_MAX_SPL_SIZE;
f9a3c278 SG	76	debug("pad_size %x\n", pad_size);
	77
	78	return pad_size - params->file_size;
	79	}
	80
	81	/*
	82	* rk_sd parameters
	83	*/
	84	U_BOOT_IMAGE_TYPE(
	85	rksd,
	86	"Rockchip SD Boot Image support",
	87	RKSD_HEADER_LEN,
	88	dummy_hdr,
	89	rksd_check_params,
	90	rksd_verify_header,
	91	rksd_print_header,
	92	rksd_set_header,
	93	rksd_extract_subimage,
	94	rksd_check_image_type,
	95	NULL,
	96	rksd_vrec_header
	97	);