/* * * 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 #define pcibios_assign_all_busses() 1 /* 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