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-rw-r--r--src/soc/amd/common/pi/agesawrapper.c3
-rw-r--r--src/soc/amd/stoneyridge/northbridge.c16
2 files changed, 3 insertions, 16 deletions
diff --git a/src/soc/amd/common/pi/agesawrapper.c b/src/soc/amd/common/pi/agesawrapper.c
index 40858553df..2539a1d68a 100644
--- a/src/soc/amd/common/pi/agesawrapper.c
+++ b/src/soc/amd/common/pi/agesawrapper.c
@@ -266,6 +266,9 @@ static AGESA_STATUS amd_init_late(AMD_LATE_PARAMS *LateParams)
LateParams->GnbLateConfiguration.FchIoapicId = FCH_IOAPIC_ID;
}
+ /* Make binaryPI use \_SB_ as processor object scope in PSTATE SSDT */
+ LateParams->PlatformConfig.ProcessorScopeInSb = true;
+
timestamp_add_now(TS_AGESA_INIT_LATE_START);
Status = amd_dispatch(LateParams);
timestamp_add_now(TS_AGESA_INIT_LATE_END);
diff --git a/src/soc/amd/stoneyridge/northbridge.c b/src/soc/amd/stoneyridge/northbridge.c
index 6389cc439c..e318024dd8 100644
--- a/src/soc/amd/stoneyridge/northbridge.c
+++ b/src/soc/amd/stoneyridge/northbridge.c
@@ -207,21 +207,6 @@ static void northbridge_fill_ssdt_generator(const struct device *device)
acpigen_pop_len();
}
-static void patch_ssdt_processor_scope(acpi_header_t *ssdt)
-{
- unsigned int len = ssdt->length - sizeof(acpi_header_t);
- unsigned int i;
-
- for (i = sizeof(acpi_header_t); i < len; i++) {
- /* Search for _PR_ scope and replace it with _SB_ */
- if (*(uint32_t *)((unsigned long)ssdt + i) == 0x5f52505f)
- *(uint32_t *)((unsigned long)ssdt + i) = 0x5f42535f;
- }
- /* Recalculate checksum */
- ssdt->checksum = 0;
- ssdt->checksum = acpi_checksum((void *)ssdt, ssdt->length);
-}
-
static unsigned long agesa_write_acpi_tables(const struct device *device,
unsigned long current,
acpi_rsdp_t *rsdp)
@@ -296,7 +281,6 @@ static unsigned long agesa_write_acpi_tables(const struct device *device,
printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current);
ssdt = (acpi_header_t *)agesawrapper_getlateinitptr(PICK_PSTATE);
if (ssdt != NULL) {
- patch_ssdt_processor_scope(ssdt);
memcpy((void *)current, ssdt, ssdt->length);
ssdt = (acpi_header_t *)current;
current += ssdt->length;