spi-topcliff-pch: add recovery processing in case wait-event timeout
[zen-stable.git] / arch / openrisc / include / asm / spr.h
blob1cccb42dd477a14c63906179e1d11254ef1f2bf1
1 /*
2 * OpenRISC Linux
4 * Linux architectural port borrowing liberally from similar works of
5 * others. All original copyrights apply as per the original source
6 * declaration.
8 * OpenRISC implementation:
9 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
17 #ifndef __ASM_OPENRISC_SPR_H
18 #define __ASM_OPENRISC_SPR_H
20 #define mtspr(_spr, _val) __asm__ __volatile__ ( \
21 "l.mtspr r0,%1,%0" \
22 : : "K" (_spr), "r" (_val))
23 #define mtspr_off(_spr, _off, _val) __asm__ __volatile__ ( \
24 "l.mtspr %0,%1,%2" \
25 : : "r" (_off), "r" (_val), "K" (_spr))
27 static inline unsigned long mfspr(unsigned long add)
29 unsigned long ret;
30 __asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add));
31 return ret;
34 static inline unsigned long mfspr_off(unsigned long add, unsigned long offset)
36 unsigned long ret;
37 __asm__ __volatile__ ("l.mfspr %0,%1,%2" : "=r" (ret)
38 : "r" (offset), "K" (add));
39 return ret;
42 #endif