projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c863a236 LPC |
1 | /* |
| 2 | * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> | |
| 3 | * JZ4740 SoC power management support | |
| 4 | * | |
| 5 | * This program is free software; you can redistribute it and/or modify it | |
| 6 | * under the terms of the GNU General Public License as published by the | |
| 7 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 8 | * option) any later version. | |
| 9 | * | |
| 10 | * You should have received a copy of the GNU General Public License along | |
| 11 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 12 | * 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 13 | * | |
| 14 | */ | |
| 15 | ||
| 16 | #include <linux/init.h> | |
| 17 | #include <linux/pm.h> | |
| 18 | #include <linux/delay.h> | |
| 19 | #include <linux/suspend.h> | |
| 20 | ||
| 21 | #include <asm/mach-jz4740/clock.h> | |
| 22 | ||
| 23 | #include "clock.h" | |
| 24 | #include "irq.h" | |
| 25 | ||
| 26 | static int jz4740_pm_enter(suspend_state_t state) | |
| 27 | { | |
| 28 | jz4740_intc_suspend(); | |
| 29 | jz4740_clock_suspend(); | |
| 30 | ||
| 31 | jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_SLEEP); | |
| 32 | ||
| 33 | __asm__(".set\tmips3\n\t" | |
| 34 | "wait\n\t" | |
| 35 | ".set\tmips0"); | |
| 36 | ||
| 37 | jz4740_clock_set_wait_mode(JZ4740_WAIT_MODE_IDLE); | |
| 38 | ||
| 39 | jz4740_clock_resume(); | |
| 40 | jz4740_intc_resume(); | |
| 41 | ||
| 42 | return 0; | |
| 43 | } | |
| 44 | ||
| 2f55ac07 | 45 | static const struct platform_suspend_ops jz4740_pm_ops = { |
| c863a236 LPC |
46 | .valid = suspend_valid_only_mem, |
| 47 | .enter = jz4740_pm_enter, | |
| 48 | }; | |
| 49 | ||
| 50 | static int __init jz4740_pm_init(void) | |
| 51 | { | |
| 52 | suspend_set_ops(&jz4740_pm_ops); | |
| 53 | return 0; | |
| 54 | ||
| 55 | } | |
| 56 | late_initcall(jz4740_pm_init); |