| /* |
| * 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 |