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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-01-08 23:38:23 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-01-08 23:38:23 -0800 |
commit | da733563be5a9da26fe81d9f007262d00b846e22 (patch) | |
tree | db28291df94a2043af2123911984c5c173da4e6f /arch/arm/mach-highbank/pm.c | |
parent | 6ccbcf2cb41131f8d56ef0723bf3f7c1f8486076 (diff) | |
parent | dab78d7924598ea4031663dd10db814e2e324928 (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/arm/mach-highbank/pm.c')
-rw-r--r-- | arch/arm/mach-highbank/pm.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-highbank/pm.c b/arch/arm/mach-highbank/pm.c new file mode 100644 index 000000000000..33b3beb89982 --- /dev/null +++ b/arch/arm/mach-highbank/pm.c @@ -0,0 +1,55 @@ +/* + * Copyright 2011 Calxeda, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/init.h> +#include <linux/io.h> +#include <linux/suspend.h> + +#include <asm/proc-fns.h> +#include <asm/smp_scu.h> +#include <asm/suspend.h> + +#include "core.h" +#include "sysregs.h" + +static int highbank_suspend_finish(unsigned long val) +{ + cpu_do_idle(); + return 0; +} + +static int highbank_pm_enter(suspend_state_t state) +{ + hignbank_set_pwr_suspend(); + highbank_set_cpu_jump(0, cpu_resume); + + scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); + cpu_suspend(0, highbank_suspend_finish); + + return 0; +} + +static const struct platform_suspend_ops highbank_pm_ops = { + .enter = highbank_pm_enter, + .valid = suspend_valid_only_mem, +}; + +static int __init highbank_pm_init(void) +{ + suspend_set_ops(&highbank_pm_ops); + return 0; +} +module_init(highbank_pm_init); |