/**
* syscore_suspend - Execute all the registered system core suspend callbacks.
*
* This function is executed with one CPU on-line and disabled interrupts.
*/
int syscore_suspend(void)
{
struct syscore_ops *ops;
int ret = 0;
pr_info("Checking wakeup interrupts\n");
/* Return error code if there are any wakeup interrupts pending. */
ret = check_wakeup_irqs();
/*FIH-SW3-KERNEL-JC-PM_Debug-02+[ */
#ifdef CONFIG_FIH_SUSPEND_RESUME_LOG
if (ret)
{
pr_info("[PM]check_wakeup_irqs retune 1. \n");
return ret;
}
else
pr_info("[PM]check_wakeup_irqs retune 0. \n");
#else
if (ret)
return ret;
#endif
/*FIH-SW3-KERNEL-JC-PM_Debug-02+] */
WARN_ONCE(!irqs_disabled(),
"Interrupts enabled before system core suspend.\n");
list_for_each_entry_reverse(ops, &syscore_ops_list, node)
if (ops->suspend) {
/*FIH-SW3-KERNEL-JC-Porting-02+[ */
#ifndef CONFIG_FIH_SUSPEND_RESUME_LOG
if (initcall_debug)
#endif
/*FIH-SW3-KERNEL-JC-Porting-02+] */
pr_info("PM: Calling %pF\n", ops->suspend);
ret = ops->suspend();
if (ret)
goto err_out;
WARN_ONCE(!irqs_disabled(),
"Interrupts enabled after %pF\n", ops->suspend);
}
return 0;
err_out:
pr_err("PM: System core suspend callback %pF failed.\n", ops->suspend);
list_for_each_entry_continue(ops, &syscore_ops_list, node)
if (ops->resume)
ops->resume();
return ret;
}
/**
* syscore_suspend - Execute all the registered system core suspend callbacks.
*
* This function is executed with one CPU on-line and disabled interrupts.
*/
int syscore_suspend(void)
{
struct syscore_ops *ops;
int ret = 0;
//trace_suspend_resume(TPS("syscore_suspend"), 0, true);
pr_debug("Checking wakeup interrupts\n");
/* Return error code if there are any wakeup interrupts pending. */
ret = check_wakeup_irqs();
if (ret)
return ret;
WARN_ONCE(!irqs_disabled(),
"Interrupts enabled before system core suspend.\n");
list_for_each_entry_reverse(ops, &syscore_ops_list, node)
if (ops->suspend) {
if (initcall_debug)
pr_info("PM: Calling %pF\n", ops->suspend);
ret = ops->suspend();
if (ret)
goto err_out;
WARN_ONCE(!irqs_disabled(),
"Interrupts enabled after %pF\n", ops->suspend);
}
//trace_suspend_resume(TPS("syscore_suspend"), 0, false);
return 0;
err_out:
pr_err("PM: System core suspend callback %pF failed.\n", ops->suspend);
list_for_each_entry_continue(ops, &syscore_ops_list, node)
if (ops->resume)
ops->resume();
return ret;
}
/* power off whole system, save user data to flash before call this func.
* BE SUURE: all hardware has been closed and it's prcm config setted to default value.
* @type:0:shutdown, 1:reboot */
static void pm_power_off(pm_operate_t type)
{
__record_dbg_status(PM_POWEROFF | 0);
if (type == PM_REBOOT) {
PM_REBOOT(); /* never return */
}
#ifdef __CONFIG_ARCH_APP_CORE
/* step 1 & 2 has been done when wlan sys poweroff */
/* step3: writel(0x0f, GPRCM_SYS1_WAKEUP_CTRL) to tell PMU that turn on
* SW1, SW2, SRSW1, LDO before release application system reset signal. */
HAL_PRCM_SetSys1WakeupPowerFlags(0x0f);
__record_dbg_status(PM_POWEROFF | 5);
/* step4: writel(0x0f, GPRCM_SYS1_SLEEP_CTRL) to tell PMU that turn off SW1,
* SW3 SRSW1, LDO after pull down application system reset signal. */
HAL_PRCM_SetSys1SleepPowerFlags(0x0f);
__record_dbg_status(PM_POWEROFF | 7);
/* step5: switch to HOSC, close SYS1_CLK. */
PM_SystemDeinit();
__record_dbg_status(PM_POWEROFF | 9);
/* step6: set nvic deepsleep flag, and enter wfe. */
SCB->SCR = 0x14;
PM_SetCPUBootFlag(0);
__disable_fault_irq();
__disable_irq();
if (check_wakeup_irqs()) {
PM_REBOOT();
}
wfe();
if (check_wakeup_irqs()) {
PM_REBOOT();
}
wfe();
/* some irq generated when second wfe */
PM_REBOOT();
__record_dbg_status(PM_POWEROFF | 0x0ff);
#else /* net cpu */
/* check wifi is closed by app? */
PM_WARN_ON(HAL_PRCM_IsSys3Release());
/* step1: cpu to switch to HOSC */
HAL_PRCM_SetCPUNClk(PRCM_CPU_CLK_SRC_HFCLK, PRCM_SYS_CLK_FACTOR_80M);
__record_dbg_status(PM_POWEROFF | 1);
/* step2: turn off SYSCLK2. */
HAL_PRCM_DisableSysClk2(PRCM_SYS_CLK_FACTOR_80M);
__record_dbg_status(PM_POWEROFF | 3);
PM_SystemDeinit();
/* step3: enter WFI state */
arch_suspend_disable_irqs();
while (1)
wfi();
__record_dbg_status(PM_POWEROFF | 0x0ff);
#endif
}
