1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 /* Copyright (c) 2018 Rockchip Electronics Co. Ltd. */ 4 5 #ifndef __FLASH_COM_H 6 #define __FLASH_COM_H 7 8 #include "typedef.h" 9 10 #define NAND_ERROR INVALID_UINT32 11 #define NAND_OK 0 12 13 #define NAND_STS_OK 0 /* bit 0 ecc error or ok */ 14 #define NAND_STS_REFRESH 256 /* need refresh */ 15 #define NAND_STS_EMPTY 512 /* page is not proged */ 16 #define NAND_STS_ECC_ERR NAND_ERROR 17 18 #define NAND_IDB_START 64 /* 32 KB*/ 19 #define NAND_IDB_SIZE 512 /* 256 KB*/ 20 #define NAND_IDB_END (NAND_IDB_START + NAND_IDB_SIZE - 1) 21 #define DEFAULT_IDB_RESERVED_BLOCK 8 22 23 #define FULL_SLC 0 24 #define SLC 1 25 26 #define NAND_FLASH_MLC_PAGE_TAG 0xFFFF 27 #define MAX_FLASH_PAGE_SIZE 0x1000 /* 4KB */ 28 29 #define PAGE_ADDR_BITS 0 30 #define PAGE_ADDR_MASK ((1u << 11) - 1) 31 #define BLOCK_ADDR_BITS 11 32 #define BLOCK_ADDR_MASK ((1u << 14) - 1) 33 #define DIE_ADDR_BITS 25 34 #define DIE_ADDR_MASK ((1u << 3) - 1) 35 #define FLAG_ADDR_BITS 28 36 #define FLAG_ADDR_MASK ((1u << 4) - 1) 37 #define PHY_BLK_DIE_ADDR_BITS 14 38 39 struct nand_req { 40 u32 status; 41 u32 page_addr; /* 31:28 flag, 27:25: die, 24:11 block, 10:0 page */ 42 u32 *p_data; 43 u32 *p_spare; 44 u32 lpa; 45 }; 46 47 struct nand_phy_info { 48 u16 nand_type; /* SLC,MLC,TLC */ 49 u16 die_num; /* number of LUNs */ 50 u16 plane_per_die; 51 u16 blk_per_plane; 52 u16 blk_per_die; 53 u16 page_per_blk; /* in MLC mode */ 54 u16 page_per_slc_blk; /* in SLC mode */ 55 u16 sec_per_page; /* physical page data size */ 56 u16 sec_per_blk; /* physical page data size */ 57 u16 byte_per_sec; /* size of logical sectors */ 58 u16 reserved_blk; /* reserved for boot loader in die 0*/ 59 u8 ecc_bits; 60 }; 61 62 struct nand_ops { 63 s32 (*get_bad_blk_list)(u16 *table, u32 die); 64 u32 (*erase_blk)(u8 cs, u32 page_addr); 65 u32 (*prog_page)(u8 cs, u32 page_addr, u32 *data, u32 *spare); 66 u32 (*read_page)(u8 cs, u32 page_addr, u32 *data, u32 *spare); 67 void (*bch_sel)(u8 bits); 68 void (*set_sec_num)(u8 num); 69 }; 70 71 s32 ftl_flash_prog_pages(void *req, u32 num_req, u32 flash_type, u32 check); 72 s32 ftl_flash_read_pages(void *req, u32 num_req, u32 flash_type); 73 s32 ftl_flash_erase_blocks(void *req, u32 num_req); 74 s32 ftl_flash_test_blk(u16 phy_block); 75 s32 ftl_flash_get_bad_blk_list(u16 *table, u32 die); 76 77 #endif 78