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-rw-r--r--src/mainboard/amd/dbm690t/dsdt.asl5
-rw-r--r--src/mainboard/amd/mahogany/dsdt.asl5
-rw-r--r--src/mainboard/amd/mahogany_fam10/dsdt.asl5
-rw-r--r--src/mainboard/amd/pistachio/dsdt.asl5
-rw-r--r--src/mainboard/amd/tilapia_fam10/dsdt.asl5
-rw-r--r--src/mainboard/asrock/939a785gmh/dsdt.asl5
-rw-r--r--src/mainboard/asus/m4a785-m/dsdt.asl5
-rw-r--r--src/mainboard/gigabyte/ma785gmt/dsdt.asl5
-rw-r--r--src/mainboard/gigabyte/ma78gm/dsdt.asl5
-rw-r--r--src/mainboard/iei/kino-780am2-fam10/dsdt.asl5
-rw-r--r--src/mainboard/jetway/pa78vm5/dsdt.asl5
-rw-r--r--src/mainboard/kontron/kt690/dsdt.asl5
-rw-r--r--src/mainboard/technexion/tim5690/dsdt.asl5
-rw-r--r--src/mainboard/technexion/tim8690/dsdt.asl5
-rw-r--r--src/northbridge/amd/amdk8/amdk8_acpi.c10
15 files changed, 51 insertions, 29 deletions
diff --git a/src/mainboard/amd/dbm690t/dsdt.asl b/src/mainboard/amd/dbm690t/dsdt.asl
index 6e98da3c6e..60a8b7a32e 100644
--- a/src/mainboard/amd/dbm690t/dsdt.asl
+++ b/src/mainboard/amd/dbm690t/dsdt.asl
@@ -1129,7 +1129,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1557,7 +1557,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/amd/mahogany/dsdt.asl b/src/mainboard/amd/mahogany/dsdt.asl
index 99040ea246..7d2e79c593 100644
--- a/src/mainboard/amd/mahogany/dsdt.asl
+++ b/src/mainboard/amd/mahogany/dsdt.asl
@@ -1126,7 +1126,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1572,7 +1572,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/amd/mahogany_fam10/dsdt.asl b/src/mainboard/amd/mahogany_fam10/dsdt.asl
index 208091d1bb..3b93b8be48 100644
--- a/src/mainboard/amd/mahogany_fam10/dsdt.asl
+++ b/src/mainboard/amd/mahogany_fam10/dsdt.asl
@@ -1168,7 +1168,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1614,7 +1614,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/amd/pistachio/dsdt.asl b/src/mainboard/amd/pistachio/dsdt.asl
index 4b1c783db7..339dd6fb9a 100644
--- a/src/mainboard/amd/pistachio/dsdt.asl
+++ b/src/mainboard/amd/pistachio/dsdt.asl
@@ -1128,7 +1128,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1480,7 +1480,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/amd/tilapia_fam10/dsdt.asl b/src/mainboard/amd/tilapia_fam10/dsdt.asl
index cef6bbfacf..aed5f6d720 100644
--- a/src/mainboard/amd/tilapia_fam10/dsdt.asl
+++ b/src/mainboard/amd/tilapia_fam10/dsdt.asl
@@ -1168,7 +1168,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1614,7 +1614,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/asrock/939a785gmh/dsdt.asl b/src/mainboard/asrock/939a785gmh/dsdt.asl
index 9d6c8bfa79..9f9b8c8f39 100644
--- a/src/mainboard/asrock/939a785gmh/dsdt.asl
+++ b/src/mainboard/asrock/939a785gmh/dsdt.asl
@@ -1122,7 +1122,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1530,7 +1530,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/asus/m4a785-m/dsdt.asl b/src/mainboard/asus/m4a785-m/dsdt.asl
index cef6bbfacf..aed5f6d720 100644
--- a/src/mainboard/asus/m4a785-m/dsdt.asl
+++ b/src/mainboard/asus/m4a785-m/dsdt.asl
@@ -1168,7 +1168,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1614,7 +1614,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/gigabyte/ma785gmt/dsdt.asl b/src/mainboard/gigabyte/ma785gmt/dsdt.asl
index 13358d76fd..2133f426d7 100644
--- a/src/mainboard/gigabyte/ma785gmt/dsdt.asl
+++ b/src/mainboard/gigabyte/ma785gmt/dsdt.asl
@@ -1168,7 +1168,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1614,7 +1614,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/gigabyte/ma78gm/dsdt.asl b/src/mainboard/gigabyte/ma78gm/dsdt.asl
index b3c2508242..30660bbab5 100644
--- a/src/mainboard/gigabyte/ma78gm/dsdt.asl
+++ b/src/mainboard/gigabyte/ma78gm/dsdt.asl
@@ -1168,7 +1168,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1614,7 +1614,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/iei/kino-780am2-fam10/dsdt.asl b/src/mainboard/iei/kino-780am2-fam10/dsdt.asl
index afea1c7f18..048715cda3 100644
--- a/src/mainboard/iei/kino-780am2-fam10/dsdt.asl
+++ b/src/mainboard/iei/kino-780am2-fam10/dsdt.asl
@@ -1168,7 +1168,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1614,7 +1614,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/jetway/pa78vm5/dsdt.asl b/src/mainboard/jetway/pa78vm5/dsdt.asl
index 6b58ccb6da..5ec39e0b06 100644
--- a/src/mainboard/jetway/pa78vm5/dsdt.asl
+++ b/src/mainboard/jetway/pa78vm5/dsdt.asl
@@ -1168,7 +1168,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1614,7 +1614,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/kontron/kt690/dsdt.asl b/src/mainboard/kontron/kt690/dsdt.asl
index dbe7529645..c6f60bc04c 100644
--- a/src/mainboard/kontron/kt690/dsdt.asl
+++ b/src/mainboard/kontron/kt690/dsdt.asl
@@ -1129,7 +1129,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1557,7 +1557,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/technexion/tim5690/dsdt.asl b/src/mainboard/technexion/tim5690/dsdt.asl
index 9a2eb5152a..412caaec81 100644
--- a/src/mainboard/technexion/tim5690/dsdt.asl
+++ b/src/mainboard/technexion/tim5690/dsdt.asl
@@ -1129,7 +1129,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1557,7 +1557,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/mainboard/technexion/tim8690/dsdt.asl b/src/mainboard/technexion/tim8690/dsdt.asl
index 3ba436e0d2..e2b6bd160f 100644
--- a/src/mainboard/technexion/tim8690/dsdt.asl
+++ b/src/mainboard/technexion/tim8690/dsdt.asl
@@ -1129,7 +1129,7 @@ DefinitionBlock (
/* Note: Only need HID on Primary Bus */
Device(PCI0) {
External (TOM1)
- External (TOM2)
+ External (TOM2) /* (<real tom2> >> 20) to make it fit into 32 bit for XP */
Name(_HID, EISAID("PNP0A03"))
Name(_ADR, 0x00180000) /* Dev# = BSP Dev#, Func# = 0 */
Method(_BBN, 0) { /* Bus number = 0 */
@@ -1557,7 +1557,8 @@ DefinitionBlock (
/*
* If(LNotEqual(TOM2, 0x00000000)){
* Store(0x100000000,DMHB) DRAM from 4GB to TopMem2
- * Subtract(TOM2, 0x100000000, DMHL)
+ * ShiftLeft(TOM2, 20, Local0)
+ * Subtract(Local0, 0x100000000, DMHL)
* }
*/
diff --git a/src/northbridge/amd/amdk8/amdk8_acpi.c b/src/northbridge/amd/amdk8/amdk8_acpi.c
index 712315ee09..c3f0f07d23 100644
--- a/src/northbridge/amd/amdk8/amdk8_acpi.c
+++ b/src/northbridge/amd/amdk8/amdk8_acpi.c
@@ -270,7 +270,15 @@ int k8acpi_write_vars(void)
msr = rdmsr(TOP_MEM);
lens += acpigen_write_name_dword("TOM1", msr.lo);
msr = rdmsr(TOP_MEM2);
- lens += acpigen_write_name_qword("TOM2", (((uint64_t) msr.hi) << 32) | msr.lo);
+ /*
+ * Since XP only implements parts of ACPI 2.0, we can't use a qword
+ * here.
+ * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt
+ * slide 22ff.
+ * Shift value right by 20 bit to make it fit into 32bit,
+ * giving us 1MB granularity and a limit of almost 4Exabyte of memory.
+ */
+ lens += acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20);
lens += k8acpi_write_HT();
//minus opcode
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 05:04:41 +0000