blob: a689f1ed98675dce05a3eefa9ea9b27133e63099 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/*
* File : drv_sdram.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009-2013 RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* 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 SDRAM_SIZE 0x2000000 // 256Mbit
#elif defined SDRAM_CONFIG_32BIT //
#define SDRAM_SIZE 0x4000000 // 512Mbit
#else
error Wrong SDRAM config, check ex_sdram.h
#endif
#define SDRAM_BASE 0xA0000000 /* CS0 */
void lpc_sdram_hw_init(void);
#endif
|