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/*
* Copyright (C) 2017 Jagan Teki <jagan@amarulasolutions.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _IMX_NAND_BCB_H_
#define _IMX_NAND_BCB_H_
#define FCB_FINGERPRINT 0x20424346 /* 'FCB' */
#define FCB_VERSION_1 0x01000000
#define DBBT_FINGERPRINT2 0x54424244 /* 'DBBT' */
#define DBBT_VERSION_1 0x01000000
struct dbbt_block {
u32 checksum; /* reserved on i.MX6 */
u32 fingerprint;
u32 version;
u32 numberbb; /* reserved on i.MX6 */
u32 dbbtpages;
};
struct fcb_block {
u32 checksum; /* First fingerprint in first byte */
u32 fingerprint; /* 2nd fingerprint at byte 4 */
u32 version; /* 3rd fingerprint at byte 8 */
u8 datasetup;
u8 datahold;
u8 addr_setup;
u8 dsample_time;
/* These are for application use only and not for ROM. */
u8 nandtiming;
u8 rea;
u8 rloh;
u8 rhoh;
u32 pagesize; /* 2048 for 2K pages, 4096 for 4K pages */
u32 oob_pagesize; /* 2112 for 2K pages, 4314 for 4K pages */
u32 sectors; /* Number of 2K sections per block */
u32 nr_nand; /* Total Number of NANDs - not used by ROM */
u32 nr_die; /* Number of separate chips in this NAND */
u32 celltype; /* MLC or SLC */
u32 ecc_type; /* Type of ECC, can be one of BCH-0-20 */
u32 ecc_nr; /* Number of bytes for Block0 - BCH */
/* Block size in bytes for all blocks other than Block0 - BCH */
u32 ecc_size;
u32 ecc_level; /* Ecc level for Block 0 - BCH */
u32 meta_size; /* Metadata size - BCH */
/* Number of blocks per page for ROM use - BCH */
u32 nr_blocks;
u32 ecc_type_sdk; /* Type of ECC, can be one of BCH-0-20 */
u32 ecc_nr_sdk; /* Number of bytes for Block0 - BCH */
/* Block size in bytes for all blocks other than Block0 - BCH */
u32 ecc_size_sdk;
u32 ecc_level_sdk; /* Ecc level for Block 0 - BCH */
/* Number of blocks per page for SDK use - BCH */
u32 nr_blocks_sdk;
u32 meta_size_sdk; /* Metadata size - BCH */
u32 erase_th; /* To set into BCH_MODE register */
/*
* 0: normal boot
* 1: to load patch starting next to FCB
*/
u32 bootpatch;
u32 patch_size; /* Size of patch in sectors */
u32 fw1_start; /* Firmware image starts on this sector */
u32 fw2_start; /* Secondary FW Image starting Sector */
u32 fw1_pages; /* Number of sectors in firmware image */
u32 fw2_pages; /* Number of sector in secondary FW image */
u32 dbbt_start; /* Page address where dbbt search area begins */
/*
* Byte in page data that have manufacturer marked bad block marker,
* this will be swapped with metadata[0] to complete page data.
*/
u32 bb_byte;
/*
* For BCH ECC sizes other than 8 and 16 the bad block marker does not
* start at 0th bit of bb_byte. This field is used to get to
* the start bit of bad block marker byte with in bb_byte
*/
u32 bb_start_bit;
/*
* FCB value that gives byte offset for
* bad block marker on physical NAND page
*/
u32 phy_offset;
u32 bchtype;
u32 readlatency;
u32 predelay;
u32 cedelay;
u32 postdelay;
u32 cmdaddpause;
u32 datapause;
u32 tmspeed;
u32 busytimeout;
/* the flag to enable (1)/disable(0) bi swap */
u32 disbbm;
/* The swap position of main area in spare area */
u32 spare_offset;
};
#endif /* _IMX_NAND_BCB_H_ */
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