| /* | |
| * (C) Copyright 2009 | |
| * Stefan Roese, DENX Software Engineering, sr@denx.de. | |
| * | |
| * SPDX-License-Identifier: GPL-2.0+ | |
| */ | |
| #ifndef __CFI_FLASH_H__ | |
| #define __CFI_FLASH_H__ | |
| #define FLASH_CMD_CFI 0x98 | |
| #define FLASH_CMD_READ_ID 0x90 | |
| #define FLASH_CMD_RESET 0xff | |
| #define FLASH_CMD_BLOCK_ERASE 0x20 | |
| #define FLASH_CMD_ERASE_CONFIRM 0xD0 | |
| #define FLASH_CMD_WRITE 0x40 | |
| #define FLASH_CMD_PROTECT 0x60 | |
| #define FLASH_CMD_SETUP 0x60 | |
| #define FLASH_CMD_SET_CR_CONFIRM 0x03 | |
| #define FLASH_CMD_PROTECT_SET 0x01 | |
| #define FLASH_CMD_PROTECT_CLEAR 0xD0 | |
| #define FLASH_CMD_CLEAR_STATUS 0x50 | |
| #define FLASH_CMD_READ_STATUS 0x70 | |
| #define FLASH_CMD_WRITE_TO_BUFFER 0xE8 | |
| #define FLASH_CMD_WRITE_BUFFER_PROG 0xE9 | |
| #define FLASH_CMD_WRITE_BUFFER_CONFIRM 0xD0 | |
| #define FLASH_STATUS_DONE 0x80 | |
| #define FLASH_STATUS_ESS 0x40 | |
| #define FLASH_STATUS_ECLBS 0x20 | |
| #define FLASH_STATUS_PSLBS 0x10 | |
| #define FLASH_STATUS_VPENS 0x08 | |
| #define FLASH_STATUS_PSS 0x04 | |
| #define FLASH_STATUS_DPS 0x02 | |
| #define FLASH_STATUS_R 0x01 | |
| #define FLASH_STATUS_PROTECT 0x01 | |
| #define AMD_CMD_RESET 0xF0 | |
| #define AMD_CMD_WRITE 0xA0 | |
| #define AMD_CMD_ERASE_START 0x80 | |
| #define AMD_CMD_ERASE_SECTOR 0x30 | |
| #define AMD_CMD_UNLOCK_START 0xAA | |
| #define AMD_CMD_UNLOCK_ACK 0x55 | |
| #define AMD_CMD_WRITE_TO_BUFFER 0x25 | |
| #define AMD_CMD_WRITE_BUFFER_CONFIRM 0x29 | |
| #define AMD_CMD_SET_PPB_ENTRY 0xC0 | |
| #define AMD_CMD_SET_PPB_EXIT_BC1 0x90 | |
| #define AMD_CMD_SET_PPB_EXIT_BC2 0x00 | |
| #define AMD_CMD_PPB_UNLOCK_BC1 0x80 | |
| #define AMD_CMD_PPB_UNLOCK_BC2 0x30 | |
| #define AMD_CMD_PPB_LOCK_BC1 0xA0 | |
| #define AMD_CMD_PPB_LOCK_BC2 0x00 | |
| #define AMD_STATUS_TOGGLE 0x40 | |
| #define AMD_STATUS_ERROR 0x20 | |
| #define ATM_CMD_UNLOCK_SECT 0x70 | |
| #define ATM_CMD_SOFTLOCK_START 0x80 | |
| #define ATM_CMD_LOCK_SECT 0x40 | |
| #define FLASH_CONTINUATION_CODE 0x7F | |
| #define FLASH_OFFSET_MANUFACTURER_ID 0x00 | |
| #define FLASH_OFFSET_DEVICE_ID 0x01 | |
| #define FLASH_OFFSET_LOWER_SW_BITS 0x0C | |
| #define FLASH_OFFSET_DEVICE_ID2 0x0E | |
| #define FLASH_OFFSET_DEVICE_ID3 0x0F | |
| #define FLASH_OFFSET_CFI 0x55 | |
| #define FLASH_OFFSET_CFI_ALT 0x555 | |
| #define FLASH_OFFSET_CFI_RESP 0x10 | |
| #define FLASH_OFFSET_PRIMARY_VENDOR 0x13 | |
| /* extended query table primary address */ | |
| #define FLASH_OFFSET_EXT_QUERY_T_P_ADDR 0x15 | |
| #define FLASH_OFFSET_WTOUT 0x1F | |
| #define FLASH_OFFSET_WBTOUT 0x20 | |
| #define FLASH_OFFSET_ETOUT 0x21 | |
| #define FLASH_OFFSET_CETOUT 0x22 | |
| #define FLASH_OFFSET_WMAX_TOUT 0x23 | |
| #define FLASH_OFFSET_WBMAX_TOUT 0x24 | |
| #define FLASH_OFFSET_EMAX_TOUT 0x25 | |
| #define FLASH_OFFSET_CEMAX_TOUT 0x26 | |
| #define FLASH_OFFSET_SIZE 0x27 | |
| #define FLASH_OFFSET_INTERFACE 0x28 | |
| #define FLASH_OFFSET_BUFFER_SIZE 0x2A | |
| #define FLASH_OFFSET_NUM_ERASE_REGIONS 0x2C | |
| #define FLASH_OFFSET_ERASE_REGIONS 0x2D | |
| #define FLASH_OFFSET_PROTECT 0x02 | |
| #define FLASH_OFFSET_USER_PROTECTION 0x85 | |
| #define FLASH_OFFSET_INTEL_PROTECTION 0x81 | |
| #define CFI_CMDSET_NONE 0 | |
| #define CFI_CMDSET_INTEL_EXTENDED 1 | |
| #define CFI_CMDSET_AMD_STANDARD 2 | |
| #define CFI_CMDSET_INTEL_STANDARD 3 | |
| #define CFI_CMDSET_AMD_EXTENDED 4 | |
| #define CFI_CMDSET_MITSU_STANDARD 256 | |
| #define CFI_CMDSET_MITSU_EXTENDED 257 | |
| #define CFI_CMDSET_SST 258 | |
| #define CFI_CMDSET_INTEL_PROG_REGIONS 512 | |
| #ifdef CONFIG_SYS_FLASH_CFI_AMD_RESET /* needed for STM_ID_29W320DB on UC100 */ | |
| # undef FLASH_CMD_RESET | |
| # define FLASH_CMD_RESET AMD_CMD_RESET /* use AMD-Reset instead */ | |
| #endif | |
| #define NUM_ERASE_REGIONS 4 /* max. number of erase regions */ | |
| typedef union { | |
| u8 w8; | |
| u16 w16; | |
| u32 w32; | |
| u64 w64; | |
| } cfiword_t; | |
| /* CFI standard query structure */ | |
| /* The offsets and sizes of this packed structure members correspond | |
| * to the actual layout in CFI Flash chips. Some 16- and 32-bit members | |
| * are unaligned and must be accessed with explicit unaligned access macros. | |
| */ | |
| struct cfi_qry { | |
| u8 qry[3]; | |
| u16 p_id; /* unaligned */ | |
| u16 p_adr; /* unaligned */ | |
| u16 a_id; /* unaligned */ | |
| u16 a_adr; /* unaligned */ | |
| u8 vcc_min; | |
| u8 vcc_max; | |
| u8 vpp_min; | |
| u8 vpp_max; | |
| u8 word_write_timeout_typ; | |
| u8 buf_write_timeout_typ; | |
| u8 block_erase_timeout_typ; | |
| u8 chip_erase_timeout_typ; | |
| u8 word_write_timeout_max; | |
| u8 buf_write_timeout_max; | |
| u8 block_erase_timeout_max; | |
| u8 chip_erase_timeout_max; | |
| u8 dev_size; | |
| u16 interface_desc; /* aligned */ | |
| u16 max_buf_write_size; /* aligned */ | |
| u8 num_erase_regions; | |
| u32 erase_region_info[NUM_ERASE_REGIONS]; /* unaligned */ | |
| } __attribute__((packed)); | |
| struct cfi_pri_hdr { | |
| u8 pri[3]; | |
| u8 major_version; | |
| u8 minor_version; | |
| } __attribute__((packed)); | |
| #ifndef CONFIG_SYS_FLASH_BANKS_LIST | |
| #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE } | |
| #endif | |
| /* | |
| * CFI_MAX_FLASH_BANKS only used for flash_info struct declaration. | |
| * | |
| * Use CONFIG_SYS_MAX_FLASH_BANKS_DETECT if defined | |
| */ | |
| #if defined(CONFIG_SYS_MAX_FLASH_BANKS_DETECT) | |
| #define CONFIG_SYS_MAX_FLASH_BANKS (cfi_flash_num_flash_banks) | |
| #define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS_DETECT | |
| /* board code can update this variable before CFI detection */ | |
| extern int cfi_flash_num_flash_banks; | |
| #else | |
| #define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS | |
| #endif | |
| phys_addr_t cfi_flash_bank_addr(int i); | |
| unsigned long cfi_flash_bank_size(int i); | |
| void flash_cmd_reset(flash_info_t *info); | |
| #ifdef CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS | |
| void flash_write8(u8 value, void *addr); | |
| void flash_write16(u16 value, void *addr); | |
| void flash_write32(u32 value, void *addr); | |
| void flash_write64(u64 value, void *addr); | |
| u8 flash_read8(void *addr); | |
| u16 flash_read16(void *addr); | |
| u32 flash_read32(void *addr); | |
| u64 flash_read64(void *addr); | |
| #endif | |
| #endif /* __CFI_FLASH_H__ */ |