OpenCloudOS-Kernel/arch/arm/mach-u300/include/mach/memory.h

43 lines
1.1 KiB
C

/*
*
* arch/arm/mach-u300/include/mach/memory.h
*
*
* Copyright (C) 2007-2009 ST-Ericsson AB
* License terms: GNU General Public License (GPL) version 2
* Memory virtual/physical mapping constants.
* Author: Linus Walleij <linus.walleij@stericsson.com>
* Author: Jonas Aaberg <jonas.aberg@stericsson.com>
*/
#ifndef __MACH_MEMORY_H
#define __MACH_MEMORY_H
#ifdef CONFIG_MACH_U300_DUAL_RAM
#define PHYS_OFFSET UL(0x48000000)
#define BOOT_PARAMS_OFFSET (PHYS_OFFSET + 0x100)
#else
#ifdef CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
#define PHYS_OFFSET (0x28000000 + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE - \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
#else
#define PHYS_OFFSET (0x28000000 + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
#endif
#define BOOT_PARAMS_OFFSET (0x28000000 + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE + \
(CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024 + 0x100)
#endif
/*
* We enable a real big DMA buffer if need be.
*/
#define CONSISTENT_DMA_SIZE SZ_4M
#endif