diff options
Diffstat (limited to 'src/soc/intel/apollolake/acpi.c')
| -rw-r--r-- | src/soc/intel/apollolake/acpi.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c index 7d2831308425..a5d1dfa080f2 100644 --- a/src/soc/intel/apollolake/acpi.c +++ b/src/soc/intel/apollolake/acpi.c @@ -16,12 +16,15 @@ */ #include <arch/acpi.h> +#include <arch/acpigen.h> #include <arch/ioapic.h> #include <arch/smp/mpspec.h> +#include <cbmem.h> #include <cpu/x86/smm.h> #include <soc/acpi.h> #include <soc/iomap.h> #include <soc/pm.h> +#include <soc/nvs.h> unsigned long acpi_fill_mcfg(unsigned long current) { @@ -125,3 +128,29 @@ unsigned long southbridge_write_acpi_tables(device_t device, { return acpi_write_hpet(device, current, rsdp); } + +static void acpi_create_gnvs(struct global_nvs_t *gnvs) +{ + if (IS_ENABLED(CONFIG_CHROMEOS)) { + /* Initialize Verified Boot data */ + chromeos_init_vboot(&gnvs->chromeos); + gnvs->chromeos.vbt2 = ACTIVE_ECFW_RO; + } +} + +void southbridge_inject_dsdt(device_t device) +{ + struct global_nvs_t *gnvs; + + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); + + if (gnvs) { + acpi_create_gnvs(gnvs); + acpi_save_gnvs((uintptr_t)gnvs); + + /* Add it to DSDT. */ + acpigen_write_scope("\\"); + acpigen_write_name_dword("NVSA", (uintptr_t)gnvs); + acpigen_pop_len(); + } +} |