blob: 21c0791f32204059da5a214c3473fe362aea8f78 (
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
|
/*
* Copyright (c) 2006-2018, 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 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
|