projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a1f1c7ef | 1 | /* |
| e95dddb3 | 2 | * Copyright 2011-2013 Freescale Semiconductor, Inc. |
| a1f1c7ef SG |
3 | * Copyright 2011 Linaro Ltd. |
| 4 | * | |
| 5 | * The code contained herein is licensed under the GNU General Public | |
| 6 | * License. You may obtain a copy of the GNU General Public License | |
| 7 | * Version 2 or later at the following locations: | |
| 8 | * | |
| 9 | * http://www.opensource.org/licenses/gpl-license.html | |
| 10 | * http://www.gnu.org/copyleft/gpl.html | |
| 11 | */ | |
| 12 | ||
| 13 | #include <linux/init.h> | |
| 14 | #include <linux/io.h> | |
| 15 | #include <linux/of.h> | |
| 16 | #include <linux/suspend.h> | |
| 17 | #include <asm/cacheflush.h> | |
| 18 | #include <asm/proc-fns.h> | |
| 19 | #include <asm/suspend.h> | |
| 20 | #include <asm/hardware/cache-l2x0.h> | |
| a1f1c7ef | 21 | |
| e3372474 | 22 | #include "common.h" |
| 50f2de61 | 23 | #include "hardware.h" |
| e3372474 | 24 | |
| a1f1c7ef SG |
25 | static int imx6q_suspend_finish(unsigned long val) |
| 26 | { | |
| 27 | cpu_do_idle(); | |
| 28 | return 0; | |
| 29 | } | |
| 30 | ||
| 31 | static int imx6q_pm_enter(suspend_state_t state) | |
| 32 | { | |
| 33 | switch (state) { | |
| 34 | case PM_SUSPEND_MEM: | |
| 35 | imx6q_set_lpm(STOP_POWER_OFF); | |
| 36 | imx_gpc_pre_suspend(); | |
| e95dddb3 | 37 | imx_anatop_pre_suspend(); |
| a1f1c7ef SG |
38 | imx_set_cpu_jump(0, v7_cpu_resume); |
| 39 | /* Zzz ... */ | |
| 40 | cpu_suspend(0, imx6q_suspend_finish); | |
| 41 | imx_smp_prepare(); | |
| e95dddb3 | 42 | imx_anatop_post_resume(); |
| a1f1c7ef | 43 | imx_gpc_post_resume(); |
| 83ae2098 | 44 | imx6q_set_lpm(WAIT_CLOCKED); |
| a1f1c7ef SG |
45 | break; |
| 46 | default: | |
| 47 | return -EINVAL; | |
| 48 | } | |
| 49 | ||
| 50 | return 0; | |
| 51 | } | |
| 52 | ||
| 53 | static const struct platform_suspend_ops imx6q_pm_ops = { | |
| 54 | .enter = imx6q_pm_enter, | |
| 55 | .valid = suspend_valid_only_mem, | |
| 56 | }; | |
| 57 | ||
| 58 | void __init imx6q_pm_init(void) | |
| 59 | { | |
| a1f1c7ef SG |
60 | suspend_set_ops(&imx6q_pm_ops); |
| 61 | } |