1/* 2 * PXA27x standby mode 3 * 4 * Author: David Burrage 5 * 6 * 2005 (c) MontaVista Software, Inc. This file is licensed under 7 * the terms of the GNU General Public License version 2. This program 8 * is licensed "as is" without any warranty of any kind, whether express 9 * or implied. 10 */ 11 12#include <linux/linkage.h> 13#include <asm/assembler.h> 14#include <asm/hardware.h> 15 16#include <asm/arch/pxa-regs.h> 17 18 .text 19 20ENTRY(pxa_cpu_standby) 21 ldr r0, =PSSR 22 mov r1, #(PSSR_PH | PSSR_STS) 23 mov r2, #PWRMODE_STANDBY 24 mov r3, #UNCACHED_PHYS_0 @ Read mem context in. 25 ldr ip, [r3] 26 b 1f 27 28 .align 5 291: mcr p14, 0, r2, c7, c0, 0 @ put the system into Standby 30 str r1, [r0] @ make sure PSSR_PH/STS are clear 31 mov pc, lr 32