berlin_tools/bootloader/common/drivers/flash/load_fixed_images.c

#include "string.h"
#include "debug.h"
#include "util.h"

#include "flash_adaptor.h"
#include "load_fixed_images.h"

int read_fixed_image_from_bootarea(int part, unsigned int start, unsigned int size, unsigned char * buff)
{
	long long ret = 0;
	int part_addr = 0;

	dbg_printf(PRN_DBG,"flash: Load image header from boot partition %d.\n", part);
	//switch to boot area
	part_addr = switch_flash_part(part);
	if(part_addr < 0) {
		dbg_printf(PRN_ERR,"flash: error when switch to boot partion %d(err = %d).\n", part, part_addr);
		return part_addr;
	}

	ret = read_flash((part_addr + start), size, buff);
	if(ret){
		return FLASH_OP_ERR;
	}

	return switch_flash_part(0);
}

int read_image_header(int part, unsigned char* buff)
{
	int ret = 0;

	ret = read_fixed_image_from_bootarea(part, IMG_HEADER_ADDR, IMG_HEADER_SIZE, buff);

	if(ret){
		dbg_printf(PRN_ERR,"flash: read image header error\n");
		return FLASH_OP_ERR;
	}

	return ret;
}

#if defined(CONFIG_BCM) || defined(BCM_EN) || defined(CONFIG_UBOOT)

#else
int get_custkey(int part, unsigned char *buff)
{
	int ret = 0;

	ret = read_fixed_image_from_bootarea(part, CUST_KEY_ADDR, CUST_KEY_SIZE, buff);

	if(ret){
		dbg_printf(PRN_ERR,"flash: read custkey fail.\n");
		return FLASH_OP_ERR;
	}

	return ret;
}

int get_figo_fw(int part, unsigned char *buff)
{
	int ret = 0;

	ret = read_fixed_image_from_bootarea(part, DRM_FIGO_ADDR, DRM_FIGO_SIZE, buff);

	if(ret){
		dbg_printf(PRN_ERR,"flash: read figo fw fail.\n");
		return FLASH_OP_ERR;
	}

	return ret;
}

int get_ddr_scrambler_fw(int part, unsigned char *buff)
{
	int ret = 0;

	ret = read_fixed_image_from_bootarea(part, DDR_SCRAMBLER_ADDR, DDR_SCRAMBLER_SIZE, buff);

	if(ret){
		dbg_printf(PRN_ERR,"flash: read ddr scrambler fw fail.\n");
		return FLASH_OP_ERR;
	}

	return ret;
}
#endif

int get_miniloader(int part, unsigned char *buff)
{
	int ret = 0;

	ret = read_fixed_image_from_bootarea(part, MINILOADER_ADDR, MINILOADER_SIZE, buff);

	if(ret){
		dbg_printf(PRN_ERR,"flash: read miniloader fail.\n");
		return FLASH_OP_ERR;
	}

	return ret;
}

long long get_uboot_param(unsigned char *env_buff)
{
	int part_addr = 0;

	//switch to boot area
	part_addr = switch_flash_part(0);

	//FIXME: define MACRO for address and size
	return read_flash((part_addr + UBOOT_ENV_ADDR), UBOOT_ENV_SIZE , env_buff);
}