mirror of
git://projects.qi-hardware.com/xburst-tools.git
synced 2024-12-24 03:13:56 +02:00
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
|
|
* device board
|
|
*
|
|
* Copyright 2009 (C) Qi Hardware Inc.,
|
|
* Author: Xiangfu Liu <xiangfu@qi-hardware.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* version 3 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA
|
|
*/
|
|
#ifndef _CONFIGS_H
|
|
#define _CONFIGS_H
|
|
|
|
/* Here are these common definitions */
|
|
/* Once your system configration change, just modify the file */
|
|
|
|
#define CONFIG_NR_DRAM_BANKS 1 /* SDRAM BANK Number: 1, 2*/
|
|
#define SDRAM_CASL 3 /* CAS latency: 2 or 3 */
|
|
/* SDRAM Timings, unit: ns */
|
|
#define SDRAM_TRAS 45 /* RAS# Active Time */
|
|
#define SDRAM_RCD 20 /* RAS# to CAS# Delay */
|
|
#define SDRAM_TPC 20 /* RAS# Precharge Time */
|
|
#define SDRAM_TRWL 7 /* Write Latency Time */
|
|
#define SDRAM_TREF 15625 /* Refresh period: 4096 refresh cycles/64ms */
|
|
|
|
extern volatile u32 CPU_ID;
|
|
extern volatile u8 SDRAM_BW16;
|
|
extern volatile u8 SDRAM_BANK4;
|
|
extern volatile u8 SDRAM_ROW;
|
|
extern volatile u8 SDRAM_COL;
|
|
extern volatile u8 CONFIG_MOBILE_SDRAM;
|
|
extern volatile u32 CFG_CPU_SPEED;
|
|
extern volatile u8 PHM_DIV;
|
|
extern volatile u32 CFG_EXTAL;
|
|
extern volatile u32 CONFIG_BAUDRATE;
|
|
extern volatile u32 UART_BASE;
|
|
extern volatile u8 CONFIG_MOBILE_SDRAM;
|
|
extern volatile u8 IS_SHARE;
|
|
|
|
extern void gpio_init_4740(void);
|
|
extern void sdram_init_4740(void);
|
|
extern void serial_init_4740(void);
|
|
extern void pll_init_4740(void);
|
|
|
|
extern void gpio_init_4750(void);
|
|
extern void sdram_init_4750(void);
|
|
extern void serial_init_4750(void);
|
|
extern void pll_init_4750(void);
|
|
|
|
extern void serial_puts(const char *s);
|
|
|
|
#endif
|