rt-thread-official/bsp/hc32/lckfb-hc32f4a0-lqfp100/board/ports/nand_port.h

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/*
* Copyright (C) 2022-2024, Xiaohua Semiconductor Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-03-01 CDT first version
*/
#ifndef __NAND_PORT_H__
#define __NAND_PORT_H__
/******************** NAND chip information ***********************************/
#define NAND_BYTES_PER_PAGE 2048UL
#define NAND_SPARE_AREA_SIZE 64UL
#define NAND_PAGES_PER_BLOCK 64UL
#define NAND_BYTES_PER_BLOCK (NAND_PAGES_PER_BLOCK * NAND_BYTES_PER_PAGE)
#define NAND_BLOCKS_PER_PLANE 1024UL
#define NAND_PLANE_PER_DEVICE 2UL
#define NAND_DEVICE_BLOCKS (NAND_BLOCKS_PER_PLANE * NAND_PLANE_PER_DEVICE)
#define NAND_DEVICE_PAGES (NAND_DEVICE_BLOCKS * NAND_PAGES_PER_BLOCK)
/******************** EXMC_NFC configure **************************************/
/* chip: EXMC_NFC_BANK0~7 */
#define NAND_EXMC_NFC_BANK EXMC_NFC_BANK0
/* density:2Gbit */
#define NAND_EXMC_NFC_BANK_CAPACITY EXMC_NFC_BANK_CAPACITY_2GBIT
/* device width: 8-bit */
#define NAND_EXMC_NFC_MEMORY_WIDTH EXMC_NFC_MEMORY_WIDTH_8BIT
/* page size: 2KByte */
#define NAND_EXMC_NFC_PAGE_SIZE EXMC_NFC_PAGE_SIZE_2KBYTE
/* row address cycle: 3 */
#define NAND_EXMC_NFC_ROW_ADDR_CYCLE EXMC_NFC_3_ROW_ADDR_CYCLE
/* ECC mode */
#define NAND_EXMC_NFC_ECC_MD EXMC_NFC_1BIT_ECC
/* timing configuration(EXCLK clock frequency: 60MHz@3.3V) for MT29F2G08AB */
/* TS: ALE/CLE/CE setup time(min=10ns) */
#define NAND_TS 1U
/* TWP: WE# pulse width (min=10ns) */
#define NAND_TWP 1U
/* TRP: RE# pulse width (MT29F2G08AB min=10ns and EXMC t_data_s min=24ns) */
#define NAND_TRP 2U
/* TTH: ALE/CLE/CE hold time (min=5ns) */
#define NAND_TH 1U
/* TWH: WE# pulse width HIGH (min=10ns) */
#define NAND_TWH 1U
/* TRH: RE# pulse width HIGH (min=7ns) */
#define NAND_TRH 1U
/* TRR: Ready to RE# LOW (min=20ns) */
#define NAND_TRR 2U
/* TWB: WE# HIGH to busy (max=100ns) */
#define NAND_TWB 1U
/* TWB: WE# HIGH to busy (max=100ns) */
#define NAND_TRB 1U
/* TCCS: Change read column and Change write column delay */
#define NAND_TCCS 5U
/* TWTR: WE# HIGH to RE# LOW (min=60ns) */
#define NAND_TWTR 4U
/* TRTW: RE# HIGH to WE# LOW (min=100ns) */
#define NAND_TRTW 7U
/* TADL: ALE to data start (min=70ns) */
#define NAND_TADL 5U
#endif