3 * This file contains the hardware definitions of the BCMRing.
5 * Copyright (C) 1999 ARM Limited.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #ifndef __ASM_ARCH_HARDWARE_H
22 #define __ASM_ARCH_HARDWARE_H
24 #include <asm/sizes.h>
25 #include <cfg_global.h>
26 #include <mach/csp/mm_io.h>
28 /* Hardware addresses of major areas.
29 * *_START is the physical address
30 * *_SIZE is the size of the region
31 * *_BASE is the virtual address
33 #define RAM_START PHYS_OFFSET
35 #define RAM_SIZE (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED)
36 #define RAM_BASE PAGE_OFFSET
38 /* Macros to make managing spinlocks a bit more controlled in terms of naming. */
39 /* See reg_gpio.h, reg_irq.h, arch.c, gpio.c for example usage. */
40 #if defined(__KERNEL__)
41 #define HW_DECLARE_SPINLOCK(name) DEFINE_SPINLOCK(bcmring_##name##_reg_lock);
42 #define HW_EXTERN_SPINLOCK(name) extern spinlock_t bcmring_##name##_reg_lock;
43 #define HW_IRQ_SAVE(name, val) spin_lock_irqsave(&bcmring_##name##_reg_lock, (val))
44 #define HW_IRQ_RESTORE(name, val) spin_unlock_irqrestore(&bcmring_##name##_reg_lock, (val))
46 #define HW_DECLARE_SPINLOCK(name)
47 #define HW_EXTERN_SPINLOCK(name)
48 #define HW_IRQ_SAVE(name, val) {(void)(name); (void)(val); }
49 #define HW_IRQ_RESTORE(name, val) {(void)(name); (void)(val); }
52 #ifndef HW_IO_PHYS_TO_VIRT
53 #define HW_IO_PHYS_TO_VIRT MM_IO_PHYS_TO_VIRT
55 #define HW_IO_VIRT_TO_PHYS MM_IO_VIRT_TO_PHYS