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-rw-r--r--src/northbridge/amd/pi/00730F01/northbridge.c16
-rw-r--r--src/northbridge/amd/pi/00730F01/state_machine.c3
2 files changed, 3 insertions, 16 deletions
diff --git a/src/northbridge/amd/pi/00730F01/northbridge.c b/src/northbridge/amd/pi/00730F01/northbridge.c
index b9ac022697..46610c51e2 100644
--- a/src/northbridge/amd/pi/00730F01/northbridge.c
+++ b/src/northbridge/amd/pi/00730F01/northbridge.c
@@ -554,21 +554,6 @@ 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)
@@ -639,7 +624,6 @@ 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;
diff --git a/src/northbridge/amd/pi/00730F01/state_machine.c b/src/northbridge/amd/pi/00730F01/state_machine.c
index 9128c2427e..a05e9e04e8 100644
--- a/src/northbridge/amd/pi/00730F01/state_machine.c
+++ b/src/northbridge/amd/pi/00730F01/state_machine.c
@@ -69,6 +69,9 @@ void platform_BeforeInitLate(struct sysinfo *cb, AMD_LATE_PARAMS *Late)
Late->GnbLateConfiguration.FchIoapicId = FCH_IOAPIC_ID;
}
+ /* Make binaryPI use \_SB_ as processor object scope in PSTATE SSDT */
+ Late->PlatformConfig.ProcessorScopeInSb = true;
+
/* Code for creating CDIT requires hop count table. If it is not
* present AGESA_ERROR is returned, which confuses users. CDIT is not
* written to the ACPI tables anyway. */