1*54fd6939SJiyong Park /* 2*54fd6939SJiyong Park * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved. 3*54fd6939SJiyong Park * 4*54fd6939SJiyong Park * SPDX-License-Identifier: BSD-3-Clause 5*54fd6939SJiyong Park */ 6*54fd6939SJiyong Park 7*54fd6939SJiyong Park #ifndef V2M_FLASH_H 8*54fd6939SJiyong Park #define V2M_FLASH_H 9*54fd6939SJiyong Park 10*54fd6939SJiyong Park #include <stdint.h> 11*54fd6939SJiyong Park 12*54fd6939SJiyong Park /* First bus cycle */ 13*54fd6939SJiyong Park #define NOR_CMD_READ_ARRAY 0xFF 14*54fd6939SJiyong Park #define NOR_CMD_READ_ID_CODE 0x90 15*54fd6939SJiyong Park #define NOR_CMD_READ_QUERY 0x98 16*54fd6939SJiyong Park #define NOR_CMD_READ_STATUS_REG 0x70 17*54fd6939SJiyong Park #define NOR_CMD_CLEAR_STATUS_REG 0x50 18*54fd6939SJiyong Park #define NOR_CMD_WRITE_TO_BUFFER 0xE8 19*54fd6939SJiyong Park #define NOR_CMD_WORD_PROGRAM 0x40 20*54fd6939SJiyong Park #define NOR_CMD_BLOCK_ERASE 0x20 21*54fd6939SJiyong Park #define NOR_CMD_LOCK_UNLOCK 0x60 22*54fd6939SJiyong Park #define NOR_CMD_BLOCK_ERASE_ACK 0xD0 23*54fd6939SJiyong Park 24*54fd6939SJiyong Park /* Second bus cycle */ 25*54fd6939SJiyong Park #define NOR_LOCK_BLOCK 0x01 26*54fd6939SJiyong Park #define NOR_UNLOCK_BLOCK 0xD0 27*54fd6939SJiyong Park 28*54fd6939SJiyong Park /* Status register bits */ 29*54fd6939SJiyong Park #define NOR_DWS (1 << 7) 30*54fd6939SJiyong Park #define NOR_ESS (1 << 6) 31*54fd6939SJiyong Park #define NOR_ES (1 << 5) 32*54fd6939SJiyong Park #define NOR_PS (1 << 4) 33*54fd6939SJiyong Park #define NOR_VPPS (1 << 3) 34*54fd6939SJiyong Park #define NOR_PSS (1 << 2) 35*54fd6939SJiyong Park #define NOR_BLS (1 << 1) 36*54fd6939SJiyong Park #define NOR_BWS (1 << 0) 37*54fd6939SJiyong Park 38*54fd6939SJiyong Park /* Public API */ 39*54fd6939SJiyong Park void nor_send_cmd(uintptr_t base_addr, unsigned long cmd); 40*54fd6939SJiyong Park int nor_word_program(uintptr_t base_addr, unsigned long data); 41*54fd6939SJiyong Park int nor_lock(uintptr_t base_addr); 42*54fd6939SJiyong Park int nor_unlock(uintptr_t base_addr); 43*54fd6939SJiyong Park int nor_erase(uintptr_t base_addr); 44*54fd6939SJiyong Park 45*54fd6939SJiyong Park #endif /* V2M_FLASH_H*/ 46