1aa7877c4SAntonio Nino Diaz /* 2aa7877c4SAntonio Nino Diaz * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved. 3aa7877c4SAntonio Nino Diaz * 4aa7877c4SAntonio Nino Diaz * SPDX-License-Identifier: BSD-3-Clause 5aa7877c4SAntonio Nino Diaz */ 6aa7877c4SAntonio Nino Diaz 7*c3cf06f1SAntonio Nino Diaz #ifndef V2M_FLASH_H 8*c3cf06f1SAntonio Nino Diaz #define V2M_FLASH_H 9aa7877c4SAntonio Nino Diaz 10aa7877c4SAntonio Nino Diaz #include <stdint.h> 11aa7877c4SAntonio Nino Diaz 12aa7877c4SAntonio Nino Diaz /* First bus cycle */ 13aa7877c4SAntonio Nino Diaz #define NOR_CMD_READ_ARRAY 0xFF 14aa7877c4SAntonio Nino Diaz #define NOR_CMD_READ_ID_CODE 0x90 15aa7877c4SAntonio Nino Diaz #define NOR_CMD_READ_QUERY 0x98 16aa7877c4SAntonio Nino Diaz #define NOR_CMD_READ_STATUS_REG 0x70 17aa7877c4SAntonio Nino Diaz #define NOR_CMD_CLEAR_STATUS_REG 0x50 18aa7877c4SAntonio Nino Diaz #define NOR_CMD_WRITE_TO_BUFFER 0xE8 19aa7877c4SAntonio Nino Diaz #define NOR_CMD_WORD_PROGRAM 0x40 20aa7877c4SAntonio Nino Diaz #define NOR_CMD_BLOCK_ERASE 0x20 21aa7877c4SAntonio Nino Diaz #define NOR_CMD_LOCK_UNLOCK 0x60 22aa7877c4SAntonio Nino Diaz #define NOR_CMD_BLOCK_ERASE_ACK 0xD0 23aa7877c4SAntonio Nino Diaz 24aa7877c4SAntonio Nino Diaz /* Second bus cycle */ 25aa7877c4SAntonio Nino Diaz #define NOR_LOCK_BLOCK 0x01 26aa7877c4SAntonio Nino Diaz #define NOR_UNLOCK_BLOCK 0xD0 27aa7877c4SAntonio Nino Diaz 28aa7877c4SAntonio Nino Diaz /* Status register bits */ 29aa7877c4SAntonio Nino Diaz #define NOR_DWS (1 << 7) 30aa7877c4SAntonio Nino Diaz #define NOR_ESS (1 << 6) 31aa7877c4SAntonio Nino Diaz #define NOR_ES (1 << 5) 32aa7877c4SAntonio Nino Diaz #define NOR_PS (1 << 4) 33aa7877c4SAntonio Nino Diaz #define NOR_VPPS (1 << 3) 34aa7877c4SAntonio Nino Diaz #define NOR_PSS (1 << 2) 35aa7877c4SAntonio Nino Diaz #define NOR_BLS (1 << 1) 36aa7877c4SAntonio Nino Diaz #define NOR_BWS (1 << 0) 37aa7877c4SAntonio Nino Diaz 38aa7877c4SAntonio Nino Diaz /* Public API */ 39aa7877c4SAntonio Nino Diaz void nor_send_cmd(uintptr_t base_addr, unsigned long cmd); 40aa7877c4SAntonio Nino Diaz int nor_word_program(uintptr_t base_addr, unsigned long data); 41aa7877c4SAntonio Nino Diaz int nor_lock(uintptr_t base_addr); 42aa7877c4SAntonio Nino Diaz int nor_unlock(uintptr_t base_addr); 43aa7877c4SAntonio Nino Diaz int nor_erase(uintptr_t base_addr); 44aa7877c4SAntonio Nino Diaz 45*c3cf06f1SAntonio Nino Diaz #endif /* V2M_FLASH_H*/ 46