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-rw-r--r--src/northbridge/amd/agesa/family14/northbridge.c18
-rw-r--r--src/northbridge/amd/agesa/family15tn/northbridge.c16
-rw-r--r--src/northbridge/amd/agesa/family16kb/northbridge.c16
-rw-r--r--src/northbridge/amd/pi/00630F01/northbridge.c16
-rw-r--r--src/northbridge/amd/pi/00660F01/northbridge.c16
-rw-r--r--src/northbridge/amd/pi/00730F01/northbridge.c16
6 files changed, 98 insertions, 0 deletions
diff --git a/src/northbridge/amd/agesa/family14/northbridge.c b/src/northbridge/amd/agesa/family14/northbridge.c
index 4086173d7e..1ac5a69cf9 100644
--- a/src/northbridge/amd/agesa/family14/northbridge.c
+++ b/src/northbridge/amd/agesa/family14/northbridge.c
@@ -710,6 +710,21 @@ static unsigned long acpi_fill_hest(acpi_hest_t *hest)
return (unsigned long)current;
}
+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(struct device *device,
unsigned long current,
acpi_rsdp_t *rsdp)
@@ -774,6 +789,9 @@ static unsigned long agesa_write_acpi_tables(struct device *device,
printk(BIOS_DEBUG, "ACPI: * AGESA SSDT Pstate at %lx\n", current);
ssdt = (acpi_header_t *)agesawrapper_getlateinitptr (PICK_PSTATE);
if (ssdt != NULL) {
+ hexdump(ssdt, ssdt->length);
+ patch_ssdt_processor_scope(ssdt);
+ hexdump(ssdt, ssdt->length);
memcpy((void *)current, ssdt, ssdt->length);
ssdt = (acpi_header_t *) current;
current += ssdt->length;
diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c
index 642fc150e1..a62e12e772 100644
--- a/src/northbridge/amd/agesa/family15tn/northbridge.c
+++ b/src/northbridge/amd/agesa/family15tn/northbridge.c
@@ -449,6 +449,21 @@ static void northbridge_fill_ssdt_generator(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(struct device *device,
unsigned long current,
acpi_rsdp_t *rsdp)
@@ -525,6 +540,7 @@ static unsigned long agesa_write_acpi_tables(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/agesa/family16kb/northbridge.c b/src/northbridge/amd/agesa/family16kb/northbridge.c
index fcd7ec1fe6..2cdcb58023 100644
--- a/src/northbridge/amd/agesa/family16kb/northbridge.c
+++ b/src/northbridge/amd/agesa/family16kb/northbridge.c
@@ -449,6 +449,21 @@ static void northbridge_fill_ssdt_generator(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(struct device *device,
unsigned long current,
acpi_rsdp_t *rsdp)
@@ -525,6 +540,7 @@ static unsigned long agesa_write_acpi_tables(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/00630F01/northbridge.c b/src/northbridge/amd/pi/00630F01/northbridge.c
index 28502b0017..e90848a36b 100644
--- a/src/northbridge/amd/pi/00630F01/northbridge.c
+++ b/src/northbridge/amd/pi/00630F01/northbridge.c
@@ -447,6 +447,21 @@ static void northbridge_fill_ssdt_generator(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(struct device *device,
unsigned long current,
acpi_rsdp_t *rsdp)
@@ -521,6 +536,7 @@ static unsigned long agesa_write_acpi_tables(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/00660F01/northbridge.c b/src/northbridge/amd/pi/00660F01/northbridge.c
index 0a1b0ba1a4..200508617c 100644
--- a/src/northbridge/amd/pi/00660F01/northbridge.c
+++ b/src/northbridge/amd/pi/00660F01/northbridge.c
@@ -435,6 +435,21 @@ static void northbridge_fill_ssdt_generator(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(struct device *device,
unsigned long current,
acpi_rsdp_t *rsdp)
@@ -511,6 +526,7 @@ static unsigned long agesa_write_acpi_tables(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/northbridge.c b/src/northbridge/amd/pi/00730F01/northbridge.c
index c87d8fffba..f611bd6e3e 100644
--- a/src/northbridge/amd/pi/00730F01/northbridge.c
+++ b/src/northbridge/amd/pi/00730F01/northbridge.c
@@ -671,6 +671,21 @@ static void northbridge_fill_ssdt_generator(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(struct device *device,
unsigned long current,
acpi_rsdp_t *rsdp)
@@ -741,6 +756,7 @@ static unsigned long agesa_write_acpi_tables(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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 19:56:58 +0000