2 * Copyright (C) 2006-2007 PA Semi, Inc
4 * Maintained by: Olof Johansson <olof@lixom.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <asm/processor.h>
23 #include <asm/ppc_asm.h>
24 #include <asm/cputable.h>
25 #include <asm/cache.h>
26 #include <asm/thread_info.h>
27 #include <asm/asm-offsets.h>
29 /* Power savings opcodes since not all binutils have them at this time */
30 #define DOZE .long 0x4c000324
31 #define NAP .long 0x4c000364
32 #define SLEEP .long 0x4c0003a4
33 #define RVW .long 0x4c0003e4
35 /* Common sequence to do before going to any of the
39 #define PRE_SLEEP_SEQUENCE \
56 LOAD_REG_ADDR(r3, _doze)
59 /* Add more modes here later */
65 #ifdef CONFIG_PPC_PASEMI_CPUFREQ
68 /* Only do power savings when in astate 0 */
75 LOAD_REG_IMMEDIATE(r6,MSR_DR|MSR_IR|MSR_ME|MSR_EE)