diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/boot/acpi.c | 25 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/acpi.h | 2 |
2 files changed, 24 insertions, 3 deletions
diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c index ca2f1d4562..4d405d9fe0 100644 --- a/src/arch/x86/boot/acpi.c +++ b/src/arch/x86/boot/acpi.c @@ -32,6 +32,7 @@ #include <device/pci.h> #include <cbmem.h> #include <cpu/x86/lapic_def.h> +#include <cpu/cpu.h> #if CONFIG_COLLECT_TIMESTAMPS #include <timestamp.h> #endif @@ -140,7 +141,7 @@ int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic) unsigned long acpi_create_madt_lapics(unsigned long current) { device_t cpu; - int cpu_index = 0; + int index = 0; for (cpu = all_devices; cpu; cpu = cpu->next) { if ((cpu->path.type != DEVICE_PATH_APIC) || @@ -150,8 +151,8 @@ unsigned long acpi_create_madt_lapics(unsigned long current) if (!cpu->enabled) continue; current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, - cpu_index, cpu->path.apic.apic_id); - cpu_index++; + index, cpu->path.apic.apic_id); + index++; } return current; @@ -627,6 +628,17 @@ void suspend_resume(void) /* If we happen to be resuming find wakeup vector and jump to OS. */ wake_vec = acpi_find_wakeup_vector(); if (wake_vec) { +#if CONFIG_HAVE_SMI_HANDLER + u32 *gnvs_address = cbmem_find(CBMEM_ID_ACPI_GNVS); + + /* Restore GNVS pointer in SMM if found */ + if (gnvs_address && *gnvs_address) { + printk(BIOS_DEBUG, "Restore GNVS pointer to 0x%08x\n", + *gnvs_address); + smm_setup_structures((void *)*gnvs_address, NULL, NULL); + } +#endif + /* Call mainboard resume handler first, if defined. */ if (mainboard_suspend_resume) mainboard_suspend_resume(); @@ -770,3 +782,10 @@ void acpi_jump_to_wakeup(void *vector) HIGH_MEMORY_SAVE); } #endif + +void acpi_save_gnvs(u32 gnvs_address) +{ + u32 *gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(*gnvs)); + if (gnvs) + *gnvs = gnvs_address; +} diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h index b39e8c074c..022a45fd52 100644 --- a/src/arch/x86/include/arch/acpi.h +++ b/src/arch/x86/include/arch/acpi.h @@ -552,6 +552,8 @@ void acpi_write_hest(acpi_hest_t *hest); unsigned long acpi_create_hest_error_source(acpi_hest_t *hest, acpi_hest_esd_t *esd, u16 type, void *data, u16 len); unsigned long acpi_fill_hest(acpi_hest_t *hest); +void acpi_save_gnvs(u32 gnvs_address); + #if CONFIG_HAVE_ACPI_RESUME /* 0 = S0, 1 = S1 ...*/ extern u8 acpi_slp_type; |