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-rw-r--r--src/soc/intel/alderlake/acpi/tcss.asl14
-rw-r--r--src/soc/intel/alderlake/acpi/tcss_dma.asl3
2 files changed, 10 insertions, 7 deletions
diff --git a/src/soc/intel/alderlake/acpi/tcss.asl b/src/soc/intel/alderlake/acpi/tcss.asl
index d01d872e5e..82cbad63a8 100644
--- a/src/soc/intel/alderlake/acpi/tcss.asl
+++ b/src/soc/intel/alderlake/acpi/tcss.asl
@@ -555,12 +555,13 @@ Scope (\_SB.PCI0)
Printf("TDM0 does not exist.")
} Else {
If (\_SB.PCI0.TDM0.STAT == 1) {
- If (\_SB.PCI0.TDM0.INFR != 1) {
- Return
- }
/* DMA0 is not in D3Cold now. */
\_SB.PCI0.TDM0.D3CE() /* Enable DMA RTD3 */
+ If (\_SB.PCI0.TDM0.IF30 != 1) {
+ Return
+ }
+
Printf("Push TBT RPs to D3Cold together")
If (\_SB.PCI0.TRP0.VDID != 0xFFFFFFFF) {
/* Put RP0 to D3 cold. */
@@ -613,12 +614,13 @@ Scope (\_SB.PCI0)
Printf("TDM1 does not exist.")
} Else {
If (\_SB.PCI0.TDM1.STAT == 1) {
- If (\_SB.PCI0.TDM1.INFR != 1) {
- Return
- }
/* DMA1 is not in D3Cold now */
\_SB.PCI0.TDM1.D3CE() /* Enable DMA RTD3. */
+ If (\_SB.PCI0.TDM1.IF30 != 1) {
+ Return
+ }
+
Printf("Push TBT RPs to D3Cold together")
If (\_SB.PCI0.TRP2.VDID != 0xFFFFFFFF) {
/* Put RP2 to D3 cold. */
diff --git a/src/soc/intel/alderlake/acpi/tcss_dma.asl b/src/soc/intel/alderlake/acpi/tcss_dma.asl
index d00f79432d..0b5e03f913 100644
--- a/src/soc/intel/alderlake/acpi/tcss_dma.asl
+++ b/src/soc/intel/alderlake/acpi/tcss_dma.asl
@@ -11,7 +11,8 @@ Field (DPME, AnyAcc, NoLock, Preserve)
, 6,
PMES, 1, /* 15, PME_STATUS */
Offset(0xC8), /* 0xC8, TBT NVM FW Revision */
- , 31,
+ , 30,
+ IF30, 1, /* ITBT FW Version Bit30 */
INFR, 1, /* TBT NVM FW Ready */
Offset(0xEC), /* 0xEC, TBT TO PCIE Register */
TB2P, 32, /* TBT to PCIe */