| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <acpi/acpi.h> |
| #include <amdblocks/acpi.h> |
| #include <amdblocks/smm.h> |
| #include <bootstate.h> |
| #include <console/console.h> |
| #include <cpu/amd/msr.h> |
| #include <cpu/x86/mp.h> |
| #include <cpu/x86/msr.h> |
| #include <types.h> |
| |
| static void per_core_finalize(void *unused) |
| { |
| /* Finalize SMM settings */ |
| if (is_smm_locked()) /* Skip if already locked, avoid GPF */ |
| return; |
| |
| if (CONFIG(HAVE_SMI_HANDLER)) |
| tseg_valid(); |
| |
| lock_smm(); |
| } |
| |
| static void finalize_cores(void) |
| { |
| printk(BIOS_SPEW, "Lock SMM configuration\n"); |
| |
| if (mp_run_on_all_cpus(per_core_finalize, NULL) != CB_SUCCESS) |
| printk(BIOS_WARNING, "Failed to finalize all cores\n"); |
| } |
| |
| static void soc_finalize(void *unused) |
| { |
| finalize_cores(); |
| |
| if (!acpi_is_wakeup_s3()) { |
| acpi_clear_pm_gpe_status(); |
| |
| if (CONFIG(HAVE_SMI_HANDLER)) |
| acpi_disable_sci(); |
| else |
| acpi_enable_sci(); |
| } |
| |
| post_code(POST_OS_BOOT); |
| } |
| |
| BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, soc_finalize, NULL); |
| BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, soc_finalize, NULL); |