| /* |
| * 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_ */ |
