| /* |
| * (C) Copyright 2009 |
| * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| * |
| */ |
| |
| #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_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_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 { |
| unsigned char c; |
| unsigned short w; |
| unsigned long l; |
| unsigned long long ll; |
| } cfiword_t; |
| |
| /* CFI standard query structure */ |
| struct cfi_qry { |
| u8 qry[3]; |
| u16 p_id; |
| u16 p_adr; |
| u16 a_id; |
| u16 a_adr; |
| 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; |
| u16 max_buf_write_size; |
| u8 num_erase_regions; |
| u32 erase_region_info[NUM_ERASE_REGIONS]; |
| } __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 |
| |
| void flash_write_cmd(flash_info_t * info, flash_sect_t sect, |
| uint offset, u32 cmd); |
| |
| #endif /* __CFI_FLASH_H__ */ |