/* | |
* PXA27x standby mode | |
* | |
* Author: David Burrage | |
* | |
* 2005 (c) MontaVista Software, Inc. This file is licensed under | |
* the terms of the GNU General Public License version 2. This program | |
* is licensed "as is" without any warranty of any kind, whether express | |
* or implied. | |
*/ | |
#include <linux/linkage.h> | |
#include <asm/assembler.h> | |
#include <asm/hardware.h> | |
#include <asm/arch/pxa-regs.h> | |
.text | |
ENTRY(pxa_cpu_standby) | |
ldr r0, =PSSR | |
mov r1, #(PSSR_PH | PSSR_STS) | |
mov r2, #PWRMODE_STANDBY | |
mov r3, #UNCACHED_PHYS_0 @ Read mem context in. | |
ldr ip, [r3] | |
b 1f | |
.align 5 | |
1: mcr p14, 0, r2, c7, c0, 0 @ put the system into Standby | |
str r1, [r0] @ make sure PSSR_PH/STS are clear | |
mov pc, lr |