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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2013-05-19 Bernard The first version for LPC40xx
*/
#ifndef DRV_SDRAM_H__
#define DRV_SDRAM_H__
#include <board.h>
#define SDRAM_CONFIG_16BIT /* use the 16 bitSDRAM */
//#define SDRAM_CONFIG_32BIT /* use the 32 bitSDRAM */
#ifdef SDRAM_CONFIG_16BIT
#define EXT_SDRAM_SIZE 0x2000000 /* 256Mbit */
#elif defined SDRAM_CONFIG_32BIT
#define EXT_SDRAM_SIZE 0x4000000 /* 512Mbit */
#else
error Wrong SDRAM config, check ex_sdram.h
#endif
#define EXT_SDRAM_BEGIN 0xA0000000 /* CS0 */
#define EXT_SDRAM_END (EXT_SDRAM_BEGIN + EXT_SDRAM_SIZE)
void rt_hw_sdram_init(void);
#endif /* DRV_SDRAM_H__ */
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