58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
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/*
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*
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* This file contains the hardware definitions of the BCMRing.
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*
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* Copyright (C) 1999 ARM Limited.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __ASM_ARCH_HARDWARE_H
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#define __ASM_ARCH_HARDWARE_H
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#include <asm/sizes.h>
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#include <cfg_global.h>
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#include <mach/csp/mm_io.h>
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/* Hardware addresses of major areas.
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* *_START is the physical address
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* *_SIZE is the size of the region
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* *_BASE is the virtual address
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*/
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#define RAM_START PHYS_OFFSET
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#define RAM_SIZE (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED)
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#define RAM_BASE PAGE_OFFSET
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/* Macros to make managing spinlocks a bit more controlled in terms of naming. */
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/* See reg_gpio.h, reg_irq.h, arch.c, gpio.c for example usage. */
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#if defined(__KERNEL__)
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#define HW_DECLARE_SPINLOCK(name) DEFINE_SPINLOCK(bcmring_##name##_reg_lock);
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#define HW_EXTERN_SPINLOCK(name) extern spinlock_t bcmring_##name##_reg_lock;
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#define HW_IRQ_SAVE(name, val) spin_lock_irqsave(&bcmring_##name##_reg_lock, (val))
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#define HW_IRQ_RESTORE(name, val) spin_unlock_irqrestore(&bcmring_##name##_reg_lock, (val))
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#else
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#define HW_DECLARE_SPINLOCK(name)
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#define HW_EXTERN_SPINLOCK(name)
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#define HW_IRQ_SAVE(name, val) {(void)(name); (void)(val); }
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#define HW_IRQ_RESTORE(name, val) {(void)(name); (void)(val); }
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#endif
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#ifndef HW_IO_PHYS_TO_VIRT
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#define HW_IO_PHYS_TO_VIRT MM_IO_PHYS_TO_VIRT
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#endif
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#define HW_IO_VIRT_TO_PHYS MM_IO_VIRT_TO_PHYS
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#endif
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