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/*
*
* This file contains the hardware definitions of the BCMRing.
*
* Copyright (C) 1999 ARM Limited.
*
* 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_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include <asm/sizes.h>
#include <mach/memory.h>
#include <cfg_global.h>
#include <mach/csp/mm_io.h>
/* Hardware addresses of major areas.
* *_START is the physical address
* *_SIZE is the size of the region
* *_BASE is the virtual address
*/
#define RAM_START PLAT_PHYS_OFFSET
#define RAM_SIZE (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED)
#define RAM_BASE PAGE_OFFSET
/* Macros to make managing spinlocks a bit more controlled in terms of naming. */
/* See reg_gpio.h, reg_irq.h, arch.c, gpio.c for example usage. */
#if defined(__KERNEL__)
#define HW_DECLARE_SPINLOCK(name) DEFINE_SPINLOCK(bcmring_##name##_reg_lock);
#define HW_EXTERN_SPINLOCK(name) extern spinlock_t bcmring_##name##_reg_lock;
#define HW_IRQ_SAVE(name, val) spin_lock_irqsave(&bcmring_##name##_reg_lock, (val))
#define HW_IRQ_RESTORE(name, val) spin_unlock_irqrestore(&bcmring_##name##_reg_lock, (val))
#else
#define HW_DECLARE_SPINLOCK(name)
#define HW_EXTERN_SPINLOCK(name)
#define HW_IRQ_SAVE(name, val) {(void)(name); (void)(val); }
#define HW_IRQ_RESTORE(name, val) {(void)(name); (void)(val); }
#endif
#ifndef HW_IO_PHYS_TO_VIRT
#define HW_IO_PHYS_TO_VIRT MM_IO_PHYS_TO_VIRT
#endif
#define HW_IO_VIRT_TO_PHYS MM_IO_VIRT_TO_PHYS
#endif
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