[mirror_ubuntu-focal-kernel.git] / include / asm-arm / arch-at91 / memory.h

/*
 * include/asm-arm/arch-at91/memory.h
 *
 *  Copyright (C) 2004 SAN People
 *
 * 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_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H

#include <asm/arch/hardware.h>

#define PHYS_OFFSET	(AT91_SDRAM_BASE)


/*
 * Virtual view <-> DMA view memory address translations
 * virt_to_bus: Used to translate the virtual address to an
 *              address suitable to be passed to set_dma_addr
 * bus_to_virt: Used to convert an address for DMA operations
 *              to an address that the kernel can use.
 */
#define __virt_to_bus(x) __virt_to_phys(x)
#define __bus_to_virt(x) __phys_to_virt(x)

#endif
Commit	Line	Data
73a59c1c	1	/*
9d041268	2	* include/asm-arm/arch-at91/memory.h
73a59c1c SP	3	*
	4	* Copyright (C) 2004 SAN People
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	19	*/
	20
	21	#ifndef __ASM_ARCH_MEMORY_H
	22	#define __ASM_ARCH_MEMORY_H
	23
be509729	24	#include <asm/arch/hardware.h>
73a59c1c SP	25
	26	#define PHYS_OFFSET (AT91_SDRAM_BASE)
	27
	28
	29	/*
	30	* Virtual view <-> DMA view memory address translations
	31	* virt_to_bus: Used to translate the virtual address to an
	32	* address suitable to be passed to set_dma_addr
	33	* bus_to_virt: Used to convert an address for DMA operations
	34	* to an address that the kernel can use.
	35	*/
73a59c1c	36	#define __virt_to_bus(x) __virt_to_phys(x)
73a59c1c SP	37	#define __bus_to_virt(x) __phys_to_virt(x)
	38
	39	#endif