Commit fa830439 authored by Jing Li's avatar Jing Li Committed by guzitao
Browse files

sw64: acpi: support reset and S5 

Sunway inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/IB73UR



--------------------------------

Now acpi_power_off() and acpi_reboot() can work if the firmware provides
necessary information.

Signed-off-by: default avatarJing Li <jingli@wxiat.com>
Reviewed-by: default avatarHe Sheng <hesheng@wxiat.com>
Signed-off-by: default avatarGu Zitao <guzitao@wxiat.com>
parent db544983

arch/sw_64/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ config SW64 
	select ACPI_MCFG if (ACPI && PCI)

	select ACPI_PPTT if ACPI

	select ACPI_REDUCED_HARDWARE_ONLY

	select ACPI_SYSTEM_POWER_STATES_SUPPORT	if ACPI

	select ARCH_ATOMIC

	select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI

	select ARCH_HAS_ELF_RANDOMIZE

arch/sw_64/include/asm/acpi.h

+12 −0
Original line number Diff line number Diff line
@@ -112,6 +112,18 @@ static inline u32 get_acpi_id_for_cpu(unsigned int cpu) 
	/* We take rcid as processor _UID */

	return cpu_physical_id(cpu);

}



static inline unsigned long acpi_get_wakeup_address(void)

{

	return 0;

}



static inline bool acpi_skip_set_wakeup_address(void)

{

	return true;

}



#define acpi_skip_set_wakeup_address acpi_skip_set_wakeup_address

#else /* !CONFIG_ACPI */



static inline void acpi_noirq_set(void) { }

arch/sw_64/kernel/reset.c

+2 −0
Original line number Diff line number Diff line
@@ -65,6 +65,8 @@ void machine_restart(char *command) 
	/* VM cannot reach here */

	WARN_ON(!is_in_host());



	acpi_reboot();



	/**

	 * Compatibility with old firmware, can be removed

	 * when no longer support SW3231.