diff options
| author | Huacai Chen <chenhuacai@loongson.cn> | 2022-12-10 17:40:15 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-12-14 03:41:53 +0300 |
| commit | 366bb35a8e48198cefcd3484ac6b2374d1347873 (patch) | |
| tree | c2997ee229513d6efcafed6c2968e285a93dd539 /arch/loongarch/include | |
| parent | 27cab431564edba9919d1a82c2d9636d622a2493 (diff) | |
| download | linux-366bb35a8e48198cefcd3484ac6b2374d1347873.tar.xz | |
LoongArch: Add suspend (ACPI S3) support
Add suspend (Suspend To RAM, aka ACPI S3) support for LoongArch.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include')
| -rw-r--r-- | arch/loongarch/include/asm/acpi.h | 10 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/bootinfo.h | 1 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/loongson.h | 3 | ||||
| -rw-r--r-- | arch/loongarch/include/asm/time.h | 1 |
4 files changed, 15 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/acpi.h b/arch/loongarch/include/asm/acpi.h index 825c2519b9d1..4198753aa1d0 100644 --- a/arch/loongarch/include/asm/acpi.h +++ b/arch/loongarch/include/asm/acpi.h @@ -35,4 +35,14 @@ extern struct list_head acpi_wakeup_device_list; #define ACPI_TABLE_UPGRADE_MAX_PHYS ARCH_LOW_ADDRESS_LIMIT +extern int loongarch_acpi_suspend(void); +extern int (*acpi_suspend_lowlevel)(void); +extern void loongarch_suspend_enter(void); + +static inline unsigned long acpi_get_wakeup_address(void) +{ + extern void loongarch_wakeup_start(void); + return (unsigned long)loongarch_wakeup_start; +} + #endif /* _ASM_LOONGARCH_ACPI_H */ diff --git a/arch/loongarch/include/asm/bootinfo.h b/arch/loongarch/include/asm/bootinfo.h index ed0910e8b856..0051b526ac6d 100644 --- a/arch/loongarch/include/asm/bootinfo.h +++ b/arch/loongarch/include/asm/bootinfo.h @@ -32,6 +32,7 @@ struct loongson_system_configuration { int cores_per_node; int cores_per_package; unsigned long cores_io_master; + unsigned long suspend_addr; const char *cpuname; }; diff --git a/arch/loongarch/include/asm/loongson.h b/arch/loongarch/include/asm/loongson.h index 00db93edae1b..12494cffffd1 100644 --- a/arch/loongarch/include/asm/loongson.h +++ b/arch/loongarch/include/asm/loongson.h @@ -136,4 +136,7 @@ typedef enum { #define ls7a_writel(val, addr) *(volatile unsigned int *)TO_UNCACHE(addr) = (val) #define ls7a_writeq(val, addr) *(volatile unsigned long *)TO_UNCACHE(addr) = (val) +void enable_gpe_wakeup(void); +void enable_pci_wakeup(void); + #endif /* __ASM_LOONGSON_H */ diff --git a/arch/loongarch/include/asm/time.h b/arch/loongarch/include/asm/time.h index 2eae219301d0..037a2d1b8ff4 100644 --- a/arch/loongarch/include/asm/time.h +++ b/arch/loongarch/include/asm/time.h @@ -12,6 +12,7 @@ extern u64 cpu_clock_freq; extern u64 const_clock_freq; +extern void save_counter(void); extern void sync_counter(void); static inline unsigned int calc_const_freq(void) |