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/*
* This file is part of the coreboot project.
*
* 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.
*/
#ifndef __COMMONLIB_STORAGE_H__
#define __COMMONLIB_STORAGE_H__
#include <commonlib/sd_mmc_ctrlr.h>
/*
* EXT_CSD fields
*/
#define EXT_CSD_GP_SIZE_MULT_GP0 143 /* RO */
#define EXT_CSD_GP_SIZE_MULT_GP1 146 /* RO */
#define EXT_CSD_GP_SIZE_MULT_GP2 149 /* RO */
#define EXT_CSD_GP_SIZE_MULT_GP3 152 /* RO */
#define EXT_CSD_PARTITIONING_SUPPORT 160 /* RO */
#define EXT_CSD_RPMB_SIZE_MULT 168 /* RO */
#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
#define EXT_CSD_PART_CONF 179 /* R/W */
#define EXT_CSD_BUS_WIDTH 183 /* R/W */
#define EXT_CSD_STROBE_SUPPORT 184 /* RO */
#define EXT_CSD_HS_TIMING 185 /* R/W */
#define EXT_CSD_REV 192 /* RO */
#define EXT_CSD_CARD_TYPE 196 /* RO */
#define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */
#define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */
#define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */
#define EXT_CSD_BOOT_SIZE_MULT 226 /* RO */
#define EXT_CSD_TRIM_MULT 232 /* RO */
/*
* EXT_CSD field definitions
*/
#define EXT_CSD_CMD_SET_NORMAL (1 << 0)
#define EXT_CSD_CMD_SET_SECURE (1 << 1)
#define EXT_CSD_CMD_SET_CPSECURE (1 << 2)
#define EXT_CSD_CARD_TYPE_26 (1 << 0) /* Card can run at 26MHz */
#define EXT_CSD_CARD_TYPE_52 (1 << 1) /* Card can run at 52MHz */
#define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */
#define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */
#define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */
#define EXT_CSD_DDR_BUS_WIDTH_4 5 /* Card is in 4 bit DDR mode */
#define EXT_CSD_DDR_BUS_WIDTH_8 6 /* Card is in 8 bit DDR mode */
#define EXT_CSD_BUS_WIDTH_STROBE (1<<7) /* Enhanced strobe mode */
#define EXT_CSD_TIMING_BC 0 /* Backwards compatibility */
#define EXT_CSD_TIMING_HS 1 /* High speed */
#define EXT_CSD_TIMING_HS200 2 /* HS200 */
#define EXT_CSD_TIMING_HS400 3 /* HS400 */
#define EXT_CSD_SIZE 512
/* 179: EXT_CSD_PART_CONF */
#define EXT_CSD_PART_ACCESS_MASK 7 /* Partition access mask */
/* 175: EXT_CSD_ERASE_GROUP_DEF */
#define EXT_CSD_PARTITION_ENABLE 1 /* Enable partition access */
struct storage_media {
uint64_t capacity[8]; /* Partition capacity in bytes */
struct sd_mmc_ctrlr *ctrlr;
#define MMC_PARTITION_USER 0
#define MMC_PARTITION_BOOT_1 1
#define MMC_PARTITION_BOOT_2 2
#define MMC_PARTITION_RPMB 3
#define MMC_PARTITION_GP1 4
#define MMC_PARTITION_GP2 5
#define MMC_PARTITION_GP3 6
#define MMC_PARTITION_GP4 7
uint32_t caps;
uint32_t version;
#define SD_VERSION_SD 0x20000
#define SD_VERSION_2 (SD_VERSION_SD | 0x20)
#define SD_VERSION_1_0 (SD_VERSION_SD | 0x10)
#define SD_VERSION_1_10 (SD_VERSION_SD | 0x1a)
#define MMC_VERSION_MMC 0x10000
#define MMC_VERSION_UNKNOWN (MMC_VERSION_MMC)
#define MMC_VERSION_1_2 (MMC_VERSION_MMC | 0x12)
#define MMC_VERSION_1_4 (MMC_VERSION_MMC | 0x14)
#define MMC_VERSION_2_2 (MMC_VERSION_MMC | 0x22)
#define MMC_VERSION_3 (MMC_VERSION_MMC | 0x30)
#define MMC_VERSION_4 (MMC_VERSION_MMC | 0x40)
uint32_t read_bl_len;
uint32_t write_bl_len;
int high_capacity;
uint32_t tran_speed;
/* Erase size in terms of block length. */
uint32_t erase_blocks;
/* Trim operation multiplier for determining timeout. */
uint32_t trim_mult;
uint32_t ocr;
#define OCR_BUSY 0x80000000
#define OCR_HCS 0x40000000
#define OCR_VOLTAGE_MASK 0x00FFFF80
#define OCR_ACCESS_MODE 0x60000000
uint32_t op_cond_response; // The response byte from the last op_cond
uint32_t scr[2];
uint32_t csd[4];
uint32_t cid[4];
uint16_t rca;
uint8_t partition_config; /* Duplicate of EXT_CSD_PART_CONF */
};
uint64_t storage_block_erase(struct storage_media *media, uint64_t start,
uint64_t count);
uint64_t storage_block_fill_write(struct storage_media *media, uint64_t start,
uint64_t count, uint32_t fill_pattern);
uint64_t storage_block_read(struct storage_media *media, uint64_t start,
uint64_t count, void *buffer);
uint64_t storage_block_write(struct storage_media *media, uint64_t start,
uint64_t count, const void *buffer);
unsigned int storage_get_current_partition(struct storage_media *media);
const char *storage_partition_name(struct storage_media *media,
unsigned int partition_number);
int storage_setup_media(struct storage_media *media,
struct sd_mmc_ctrlr *ctrlr);
int storage_set_partition(struct storage_media *media,
unsigned int partition_number);
void storage_display_setup(struct storage_media *media);
#endif /* __COMMONLIB_STORAGE_H__ */