/* * device board * * Copyright 2009 (C) Qi Hardware Inc., * Author: Xiangfu Liu * * 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 */ #include "target/xburst_types.h" #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; #endif