1 /* 2 * Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0 5 */ 6 7 #ifndef __FLASH_COM_H 8 #define __FLASH_COM_H 9 10 #include "typedef.h" 11 12 #define NAND_ERROR INVALID_UINT32 13 #define NAND_OK 0 14 15 #define NAND_STS_OK 0 /* bit 0 ecc error or ok */ 16 #define NAND_STS_REFRESH 256 /* need refresh */ 17 #define NAND_STS_EMPTY 512 /* page is not proged */ 18 #define NAND_STS_ECC_ERR NAND_ERROR 19 20 #define NAND_IDB_START 64 /* 32 KB*/ 21 #define NAND_IDB_SIZE 512 /* 256 KB*/ 22 #define NAND_IDB_END (NAND_IDB_START + NAND_IDB_SIZE - 1) 23 #define DEFAULT_IDB_RESERVED_BLOCK 8 24 25 #define FULL_SLC 0 26 #define SLC 1 27 28 #define NAND_FLASH_MLC_PAGE_TAG 0xFFFF 29 #define MAX_FLASH_PAGE_SIZE 0x1000 /* 4KB */ 30 31 #define PAGE_ADDR_BITS 0 32 #define PAGE_ADDR_MASK ((1u << 11) - 1) 33 #define BLOCK_ADDR_BITS 11 34 #define BLOCK_ADDR_MASK ((1u << 14) - 1) 35 #define DIE_ADDR_BITS 25 36 #define DIE_ADDR_MASK ((1u << 3) - 1) 37 #define FLAG_ADDR_BITS 28 38 #define FLAG_ADDR_MASK ((1u << 4) - 1) 39 #define PHY_BLK_DIE_ADDR_BITS 14 40 41 struct nand_req { 42 u32 status; 43 u32 page_addr; /* 31:28 flag, 27:25: die, 24:11 block, 10:0 page */ 44 u32 *p_data; 45 u32 *p_spare; 46 u32 lpa; 47 }; 48 49 struct nand_phy_info { 50 u16 nand_type; /* SLC,MLC,TLC */ 51 u16 die_num; /* number of LUNs */ 52 u16 plane_per_die; 53 u16 blk_per_plane; 54 u16 blk_per_die; 55 u16 page_per_blk; /* in MLC mode */ 56 u16 page_per_slc_blk; /* in SLC mode */ 57 u16 sec_per_page; /* physical page data size */ 58 u16 sec_per_blk; /* physical page data size */ 59 u16 byte_per_sec; /* size of logical sectors */ 60 u16 reserved_blk; /* reserved for boot loader in die 0*/ 61 u8 ecc_bits; 62 }; 63 64 struct nand_ops { 65 s32 (*get_bad_blk_list)(u16 *table, u32 die); 66 u32 (*erase_blk)(u8 cs, u32 page_addr); 67 u32 (*prog_page)(u8 cs, u32 page_addr, u32 *data, u32 *spare); 68 u32 (*read_page)(u8 cs, u32 page_addr, u32 *data, u32 *spare); 69 void (*bch_sel)(u8 bits); 70 void (*set_sec_num)(u8 num); 71 }; 72 73 #endif 74