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/*
* File : drv_sdram.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2015 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
* 2015-08-03 xiaonong The first version for STM32F7
*/
#ifndef __DRV_SDRAM_H__
#define __DRV_SDRAM_H__
#include <rtthread.h>
#include <board.h>
#define SDRAM_BANK_ADDR ((uint32_t)0xC0000000)
#define SDRAM_TIMEOUT ((uint32_t)0xFFFF)
#define SDRAM_MODEREG_BURST_LENGTH_1 ((uint16_t)0x0000)
#define SDRAM_MODEREG_BURST_LENGTH_2 ((uint16_t)0x0001)
#define SDRAM_MODEREG_BURST_LENGTH_4 ((uint16_t)0x0002)
#define SDRAM_MODEREG_BURST_LENGTH_8 ((uint16_t)0x0004)
#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL ((uint16_t)0x0000)
#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED ((uint16_t)0x0008)
#define SDRAM_MODEREG_CAS_LATENCY_2 ((uint16_t)0x0020)
#define SDRAM_MODEREG_CAS_LATENCY_3 ((uint16_t)0x0030)
#define SDRAM_MODEREG_OPERATING_MODE_STANDARD ((uint16_t)0x0000)
#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000)
#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE ((uint16_t)0x0200)
#define SDRAM_SIZE (16UL * 1024UL * 1024UL)
#define SDRAM_BEGIN SDRAM_BANK_ADDR
#define SDRAM_END (SDRAM_BANK_ADDR + SDRAM_SIZE)
extern int bsp_sdram_hw_init(void);
#endif
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