include/amlogic/aml_mmc.h

/*
 * Copyright (C) 2017 Amlogic, Inc. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 * 	yonghui.yu@amlogic.com
 */


#ifndef __AML_MMC_H__
#define __AML_MMC_H__

#include <common.h>


/* bootloader operation */
#define AML_BL_USER		(0x1 << 0)
#define AML_BL_BOOT0	(0x1 << 1)
#define AML_BL_BOOT1	(0x1 << 2)
#define AML_BL_BOOT     (0x6)
#define AML_BL_ALL		(0x7)

#define VPART_PROPERTY_SIZE sizeof(struct vpart_property)
struct vpart_property {
	u32 addr;
	u32 size;
};

/*
 * sizeof(struct storage_emmc_boot_info) is strictly
 * smaller than or equal to one sector. we will bind
 * it in one sector with u-boot.bin together and
 * write into boot loader area.
 * @rsv_base_addr : the sector address of reserved area
 * @dtb  : the sector address and size of dtb property
 * @ddr  : the sector address and size of ddr property
 */
#define EMMC_BOOT_INFO_SIZE	512
struct storage_emmc_boot_info {
	u32 version;
	u32 rsv_base_addr;
	struct vpart_property dtb;
	struct vpart_property ddr;
	u8 reserved[512 - 2 * VPART_PROPERTY_SIZE - 12];
	u32 checksum;
};

int amlmmc_write_bootloader(int dev, int map,
		unsigned int size, const void *src);
int amlmmc_erase_bootloader(int dev, int map);


/* interface on reserved area. */
void mmc_write_cali_mattern(void *addr);

/* dtb operation */
int dtb_write(void *addr);

/* emmc key operation */
int mmc_key_read(unsigned char *buf,
		unsigned int size, uint32_t *actual_lenth);
int mmc_key_write(unsigned char *buf,
		unsigned int size, uint32_t *actual_lenth);
int mmc_key_erase(void);

/* partition operation */
int renew_partition_tbl(unsigned char *buffer);
int find_dev_num_by_partition_name (char const *name);

#ifdef CONFIG_AML_PARTITION
int emmc_update_mbr(unsigned char *buffer);
#endif

/*mmc ext_csd register operation*/
int mmc_get_ext_csd(struct mmc *mmc, u8 *ext_csd);
int mmc_set_ext_csd(struct mmc *mmc, u8 index, u8 value);



#endif /* __AML_MMC_H__ */