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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-07-11 05:58:04 (GMT) |
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| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-07-11 05:58:04 (GMT) |
| commit | e0d21d9cca25f424f3129649be48a63c128ed42d (patch) | |
| tree | 0a7d407639876e02deef1721817615eaa8c673a3 /arch/arm/mach-pxa/standby.S | |
| parent | beffbdc2211826b174c68307b1b48c93c05d7ded (diff) | |
| parent | 5c23804a0941a111752fdacefe0bea2db1b4d93f (diff) | |
| download | linux-fsl-qoriq-e0d21d9cca25f424f3129649be48a63c128ed42d.tar.xz | |
Merge rsync://www.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/arm/mach-pxa/standby.S')
| -rw-r--r-- | arch/arm/mach-pxa/standby.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/standby.S b/arch/arm/mach-pxa/standby.S new file mode 100644 index 0000000..8a3f27b --- /dev/null +++ b/arch/arm/mach-pxa/standby.S @@ -0,0 +1,32 @@ +/* + * 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/config.h> +#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, #2 + 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 |