Skip to content
Snippets Groups Projects
sdram.h 1.19 KiB
Newer Older
  • Learn to ignore specific revisions
  • /*
     * Copyright (C) 2006 Atmel Corporation
     *
     * See file CREDITS for list of people who contributed to this
     * project.
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * 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., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     */
    #ifndef __ASM_AVR32_SDRAM_H
    #define __ASM_AVR32_SDRAM_H
    
    struct sdram_info {
    	unsigned long phys_addr;
    	unsigned int row_bits, col_bits, bank_bits;
    	unsigned int cas, twr, trc, trp, trcd, tras, txsr;
    
    
    	/* SDRAM refresh period in cycles */
    	unsigned long refresh_period;
    
    };
    
    extern unsigned long sdram_init(const struct sdram_info *info);
    
    #endif /* __ASM_AVR32_SDRAM_H */