diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/boot/acpi.c | 12 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/acpi.h | 22 |
2 files changed, 14 insertions, 20 deletions
diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c index 61f09546af..621df2f72f 100644 --- a/src/arch/x86/boot/acpi.c +++ b/src/arch/x86/boot/acpi.c @@ -854,8 +854,8 @@ void acpi_resume(void *wake_vec) acpi_jump_to_wakeup(wake_vec); } -/* This is to be filled by SB code - startup value what was found. */ -u8 acpi_slp_type = 0; +/* This is filled with acpi_is_wakeup() call early in ramstage. */ +int acpi_slp_type = -1; int __attribute__((weak)) acpi_get_sleep_type(void) { @@ -864,12 +864,8 @@ int __attribute__((weak)) acpi_get_sleep_type(void) static void acpi_handoff_wakeup(void) { - static int once = 0; - if (once) - return; - - acpi_slp_type = acpi_get_sleep_type(); - once = 1; + if (acpi_slp_type < 0) + acpi_slp_type = acpi_get_sleep_type(); } int acpi_is_wakeup(void) diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h index 502c8264d8..c4970823c9 100644 --- a/src/arch/x86/include/arch/acpi.h +++ b/src/arch/x86/include/arch/acpi.h @@ -559,14 +559,10 @@ unsigned long acpi_fill_hest(acpi_hest_t *hest); void acpi_save_gnvs(u32 gnvs_address); -#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) -/* 0 = S0, 1 = S1 ...*/ -extern u8 acpi_slp_type; - -int acpi_is_wakeup(void); -int acpi_is_wakeup_s3(void); -int acpi_is_wakeup_early(void); +/* cpu/intel/speedstep/acpi.c */ +void generate_cpu_entries(void); +/* For ACPI S3 support. */ void acpi_fail_wakeup(void); void acpi_resume(void *wake_vec); void acpi_prepare_resume_backup(void); @@ -575,18 +571,20 @@ void *acpi_find_wakeup_vector(void); void *acpi_get_wakeup_rsdp(void); void acpi_jump_to_wakeup(void *wakeup_addr); +/* Returns 0 = S0, 1 = S1 ... */ int acpi_get_sleep_type(void); -#endif /* IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) */ - -/* cpu/intel/speedstep/acpi.c */ -void generate_cpu_entries(void); static inline int acpi_s3_resume_allowed(void) { return IS_ENABLED(CONFIG_HAVE_ACPI_RESUME); } -#if !IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) +#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) +extern int acpi_slp_type; +int acpi_is_wakeup(void); +int acpi_is_wakeup_s3(void); +int acpi_is_wakeup_early(void); +#else #define acpi_slp_type 0 static inline int acpi_is_wakeup(void) { return 0; } static inline int acpi_is_wakeup_s3(void) { return 0; } |