36 lines
909 B
C
36 lines
909 B
C
/*
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* File : drv_sdram.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2009-2013 RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2013-05-19 Bernard The first version for LPC40xx
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*/
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#ifndef __DRV_SDRAM_H__
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#define __DRV_SDRAM_H__
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#include <board.h>
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#define SDRAM_CONFIG_16BIT //use the 16 bitSDRAM
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//#define SDRAM_CONFIG_32BIT //use the 32 bitSDRAM
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#ifdef SDRAM_CONFIG_16BIT
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#define SDRAM_SIZE 0x2000000 // 256Mbit
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#elif defined SDRAM_CONFIG_32BIT //
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#define SDRAM_SIZE 0x4000000 // 512Mbit
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#else
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error Wrong SDRAM config, check ex_sdram.h
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#endif
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#define SDRAM_BASE 0xA0000000 /* CS0 */
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void lpc_sdram_hw_init(void);
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#endif
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