[J-u-boot.git] / include / asm-avr32 / sdram.h

/*
 * 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 */
Commit	Line	Data
7b64fef3 WD	1	/*
	2	* Copyright (C) 2006 Atmel Corporation
	3	*
	4	* See file CREDITS for list of people who contributed to this
	5	* project.
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License as
	9	* published by the Free Software Foundation; either version 2 of
	10	* the License, or (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	20	* MA 02111-1307 USA
	21	*/
	22	#ifndef __ASM_AVR32_SDRAM_H
	23	#define __ASM_AVR32_SDRAM_H
	24
	25	struct sdram_info {
	26	unsigned long phys_addr;
	27	unsigned int row_bits, col_bits, bank_bits;
	28	unsigned int cas, twr, trc, trp, trcd, tras, txsr;
d38da537 HS	29
	30	/* SDRAM refresh period in cycles */
	31	unsigned long refresh_period;
7b64fef3 WD	32	};
	33
	34	extern unsigned long sdram_init(const struct sdram_info *info);
	35
	36	#endif /* __ASM_AVR32_SDRAM_H */