diff options
Diffstat (limited to 'lib/sbi/sbi_system.c')
| -rw-r--r-- | lib/sbi/sbi_system.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/sbi/sbi_system.c b/lib/sbi/sbi_system.c index 7fa5ea8..6933915 100644 --- a/lib/sbi/sbi_system.c +++ b/lib/sbi/sbi_system.c @@ -17,6 +17,7 @@ #include <sbi/sbi_system.h> #include <sbi/sbi_ipi.h> #include <sbi/sbi_init.h> +#include <sbi/sbi_timer.h> static SBI_LIST_HEAD(reset_devices_list); @@ -108,6 +109,36 @@ void sbi_system_suspend_set_device(struct sbi_system_suspend_device *dev) suspend_dev = dev; } +static int sbi_system_suspend_test_check(u32 sleep_type) +{ + return sleep_type == SBI_SUSP_SLEEP_TYPE_SUSPEND; +} + +static int sbi_system_suspend_test_suspend(u32 sleep_type, + unsigned long mmode_resume_addr) +{ + if (sleep_type != SBI_SUSP_SLEEP_TYPE_SUSPEND) + return SBI_EINVAL; + + sbi_timer_mdelay(5000); + + /* Wait for interrupt */ + wfi(); + + return SBI_OK; +} + +static struct sbi_system_suspend_device sbi_system_suspend_test = { + .name = "system-suspend-test", + .system_suspend_check = sbi_system_suspend_test_check, + .system_suspend = sbi_system_suspend_test_suspend, +}; + +void sbi_system_suspend_test_enable(void) +{ + sbi_system_suspend_set_device(&sbi_system_suspend_test); +} + bool sbi_system_suspend_supported(u32 sleep_type) { return suspend_dev && suspend_dev->system_suspend_check && |