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-rw-r--r--src/soc/intel/tigerlake/acpi/tcss.asl184
-rw-r--r--src/soc/intel/tigerlake/acpi/tcss_dma.asl112
-rw-r--r--src/soc/intel/tigerlake/acpi/tcss_pcierp.asl95
-rw-r--r--src/soc/intel/tigerlake/acpi/tcss_xhci.asl48
4 files changed, 219 insertions, 220 deletions
diff --git a/src/soc/intel/tigerlake/acpi/tcss.asl b/src/soc/intel/tigerlake/acpi/tcss.asl
index 48f2689799..2fda69320e 100644
--- a/src/soc/intel/tigerlake/acpi/tcss.asl
+++ b/src/soc/intel/tigerlake/acpi/tcss.asl
@@ -29,9 +29,19 @@
#define MAILBOX_BIOS_CMD_TCSS_DEVEN_INTERFACE 0x00000015
#define TCSS_DEVEN_MAILBOX_SUBCMD_GET_STATUS 0 /* Sub-command 0 */
#define TCSS_DEVEN_MAILBOX_SUBCMD_TCSS_CHANGE_REQ 1 /* Sub-command 1 */
-
#define TCSS_IOM_ACK_TIMEOUT_IN_MS 100
+#define MCHBAR_TCSS_DEVEN_OFFSET 0x7090
+
+#define REVISION_ID 1
+#define UNRECOGNIZED_UUID 0x4
+#define UNRECOGNIZED_REVISION 0x8
+
+#define USB_TUNNELING 0x1
+#define DISPLAY_PORT_TUNNELING 0x2
+#define PCIE_TUNNELING 0x4
+#define INTER_DOMAIN_USB4_INTERNET_PROTOCOL 0x8
+
Scope (\_SB)
{
/* Device base address */
@@ -126,6 +136,46 @@ Scope (\_SB)
}
Return (0)
}
+
+ Method (_OSC, 4, Serialized)
+ {
+ /*
+ * Operating System Capabilities for USB4
+ * Arg0: UUID = {23A0D13A-26AB-486C-9C5F-0FFA525A575A}
+ * Arg1: Revision ID = 1
+ * Arg2: Count of entries (DWORD) in Arg3 (Integer): 3
+ * Arg3: DWORD capabilities buffer:
+ * First DWORD: The standard definition bits are used to return errors.
+ * Second DWORD: OSPM support field for USB4, bits [31:0] reserved.
+ * Third DWORD: OSPM control field for USB4.
+ * bit 0: USB tunneling
+ * bit 1: DisplayPort tunneling
+ * bit 2: PCIe tunneling
+ * bit 3: Inter-domain USB4 internet protocol
+ * bit 31:4: reserved
+ * Return: The platform acknowledges the capabilities buffer by returning
+ * a buffer of DWORD of the same length. Masked/Cleared bits in the
+ * control field indicate that the platform does not permit OSPM
+ * control of the respectively capabilities or features.
+ */
+ Name (CTRL, 0) /* Control field value */
+ If (Arg0 == ToUUID("23A0D13A-26AB-486C-9C5F-0FFA525A575A")) {
+ CreateDWordField(Arg3, 0, CDW1)
+ CreateDWordField(Arg3, 2, CDW3)
+ CTRL = CDW3
+
+ If (Arg1 != REVISION_ID) {
+ CDW1 |= UNRECOGNIZED_REVISION
+ }
+ CTRL |= USB_TUNNELING | DISPLAY_PORT_TUNNELING | PCIE_TUNNELING |
+ INTER_DOMAIN_USB4_INTERNET_PROTOCOL
+ CDW3 = CTRL
+ Return (Arg3)
+ } Else {
+ CDW1 |= UNRECOGNIZED_UUID
+ Return (Arg3)
+ }
+ }
}
Scope (_GPE)
@@ -252,6 +302,25 @@ Scope (_GPE)
Scope (\_SB.PCI0)
{
/*
+ * Operation region defined to access the TCSS_DEVEN. Get the MCHBAR in offset
+ * 0x48 in B0:D0:F0. TCSS device enable base address is in offset 0x7090 of MCHBAR.
+ */
+ OperationRegion (TDEN, SystemMemory, (GMHB() + MCHBAR_TCSS_DEVEN_OFFSET), 0x4)
+ Field (TDEN, ByteAcc, NoLock, Preserve)
+ {
+ TRE0, 1, /* PCIE0_EN */
+ TRE1, 1, /* PCIE1_EN */
+ TRE2, 1, /* PCIE2_EN */
+ TRE3, 1, /* PCIE3_EN */
+ , 4,
+ THCE, 1, /* XHCI_EN */
+ TDCE, 1, /* XDCI_EN */
+ DME0, 1, /* TBT_DMA0_EN */
+ DME1, 1, /* TBT_DMA1_EN */
+ , 20
+ }
+
+ /*
* Operation region defined to access the IOM REGBAR. Get the MCHBAR in offset
* 0x48 in B0:D0:F0. REGBAR Base address is in offset 0x7110 of MCHBAR.
*/
@@ -424,17 +493,6 @@ Scope (\_SB.PCI0)
}
/*
- * Below is a variable to store devices connect state for TBT PCIe RP before
- * entering D3 cold.
- * Value 0 - no device connected before enter D3 cold, no need to send
- * CONNECT_TOPOLOGY in D3 cold exit.
- * Value 1 - has device connected before enter D3 cold, need to send
- * CONNECT_TOPOLOGY in D3 cold exit.
- */
- Name (CTP0, 0) /* Variable of device connecet status for TBT0 group. */
- Name (CTP1, 0) /* Variable of device connecet status for TBT1 group. */
-
- /*
* TBT Group0 ON method
*/
Method (TG0N, 0)
@@ -455,28 +513,6 @@ Scope (\_SB.PCI0)
/* RP1 D3 cold exit. */
\_SB.PCI0.TRP1.D3CX()
}
-
- /*
- * Need to send Connect-Topology command when TBT host
- * controller back to D0 from D3.
- */
- If (\_SB.PCI0.TDM0.ALCT == 1) {
- If (CTP0 == 1) {
- /*
- * Send Connect-Topology command if there is
- * device present on PCIe RP.
- */
- \_SB.PCI0.TDM0.CNTP()
-
- /* Indicate to wait Connect-Topology command. */
- \_SB.PCI0.TDM0.WACT = 1
-
- /* Clear the connect states. */
- CTP0 = 0
- }
- /* Disallow to send Connect-Topology command. */
- \_SB.PCI0.TDM0.ALCT = 0
- }
} Else {
Printf("Drop TG0N due to it is already exit D3 cold.")
}
@@ -500,16 +536,10 @@ Scope (\_SB.PCI0)
Printf("Push TBT RPs to D3Cold together")
If (\_SB.PCI0.TRP0.VDID != 0xFFFFFFFF) {
- If (\_SB.PCI0.TRP0.PDSX == 1) {
- CTP0 = 1
- }
/* Put RP0 to D3 cold. */
\_SB.PCI0.TRP0.D3CE()
}
If (\_SB.PCI0.TRP1.VDID != 0xFFFFFFFF) {
- If (\_SB.PCI0.TRP1.PDSX == 1) {
- CTP0 = 1
- }
/* Put RP1 to D3 cold. */
\_SB.PCI0.TRP1.D3CE()
}
@@ -538,28 +568,6 @@ Scope (\_SB.PCI0)
/* RP3 D3 cold exit. */
\_SB.PCI0.TRP3.D3CX()
}
-
- /*
- * Need to send Connect-Topology command when TBT host
- * controller back to D0 from D3.
- */
- If (\_SB.PCI0.TDM1.ALCT == 1) {
- If (CTP1 == 1) {
- /*
- * Send Connect-Topology command if there is
- * device present on PCIe RP.
- */
- \_SB.PCI0.TDM1.CNTP()
-
- /* Indicate to wait Connect-Topology command. */
- \_SB.PCI0.TDM1.WACT = 1
-
- /* Clear the connect states. */
- CTP1 = 0
- }
- /* Disallow to send Connect-Topology cmd. */
- \_SB.PCI0.TDM1.ALCT = 0
- }
} Else {
Printf("Drop TG1N due to it is already exit D3 cold.")
}
@@ -583,16 +591,10 @@ Scope (\_SB.PCI0)
Printf("Push TBT RPs to D3Cold together")
If (\_SB.PCI0.TRP2.VDID != 0xFFFFFFFF) {
- If (\_SB.PCI0.TRP2.PDSX == 1) {
- CTP1 = 1
- }
/* Put RP2 to D3 cold. */
\_SB.PCI0.TRP2.D3CE()
}
If (\_SB.PCI0.TRP3.VDID != 0xFFFFFFFF) {
- If (\_SB.PCI0.TRP3.PDSX == 1) {
- CTP1 = 1
- }
/* Put RP3 to D3 cold */
\_SB.PCI0.TRP3.D3CE()
}
@@ -763,7 +765,11 @@ Scope (\_SB.PCI0)
Method (_STA, 0x0, NotSerialized)
{
- Return (0x0F)
+ If (THCE == 1) {
+ Return (0x0F)
+ } Else {
+ Return (0x0)
+ }
}
#include "tcss_xhci.asl"
}
@@ -781,7 +787,11 @@ Scope (\_SB.PCI0)
Method (_STA, 0x0, NotSerialized)
{
- Return (0x0F)
+ If (DME0 == 1) {
+ Return (0x0F)
+ } Else {
+ Return (0x0)
+ }
}
#include "tcss_dma.asl"
}
@@ -799,7 +809,11 @@ Scope (\_SB.PCI0)
Method (_STA, 0x0, NotSerialized)
{
- Return (0x0F)
+ If (DME1 == 1) {
+ Return (0x0F)
+ } Else {
+ Return (0x0)
+ }
}
#include "tcss_dma.asl"
}
@@ -818,8 +832,13 @@ Scope (\_SB.PCI0)
Method (_STA, 0x0, NotSerialized)
{
- Return (0x0F)
+ If (TRE0 == 1) {
+ Return (0x0F)
+ } Else {
+ Return (0x0)
+ }
}
+
Method (_INI)
{
LTEN = 0
@@ -843,8 +862,13 @@ Scope (\_SB.PCI0)
Method (_STA, 0x0, NotSerialized)
{
- Return (0x0F)
+ If (TRE1 == 1) {
+ Return (0x0F)
+ } Else {
+ Return (0x0)
+ }
}
+
Method (_INI)
{
LTEN = 0
@@ -868,8 +892,13 @@ Scope (\_SB.PCI0)
Method (_STA, 0x0, NotSerialized)
{
- Return (0x0F)
+ If (TRE2 == 1) {
+ Return (0x0F)
+ } Else {
+ Return (0x0)
+ }
}
+
Method (_INI)
{
LTEN = 0
@@ -893,8 +922,13 @@ Scope (\_SB.PCI0)
Method (_STA, 0x0, NotSerialized)
{
- Return (0x0F)
+ If (TRE3 == 1) {
+ Return (0x0F)
+ } Else {
+ Return (0x0)
+ }
}
+
Method (_INI)
{
LTEN = 0
diff --git a/src/soc/intel/tigerlake/acpi/tcss_dma.asl b/src/soc/intel/tigerlake/acpi/tcss_dma.asl
index 66950a6904..8eab92f22e 100644
--- a/src/soc/intel/tigerlake/acpi/tcss_dma.asl
+++ b/src/soc/intel/tigerlake/acpi/tcss_dma.asl
@@ -26,118 +26,7 @@ Field (DPME, AnyAcc, NoLock, Preserve)
DMAD, 8 /* 31:24 DMA Active Delay */
}
-/*
- * TBT MailBox Command Method
- * Arg0 - MailBox Cmd ID
- */
-Method (ITMB, 1, Serialized)
-{
- Local0 = Arg0 | 0x1 /* 0x1, PCIE2TBT_VLD_B */
- P2TB = Local0
-}
-
-/*
- * Wait For Command Completed
- * Arg0 - TimeOut value (unit is 1 millisecond)
- */
-Method (WFCC, 1, Serialized)
-{
- WTBS (Arg0)
- P2TB = 0
- WTBC (Arg0)
-}
-
-/*
- * Wait For Command Set
- * Arg0 - TimeOut value
- */
-Method (WTBS, 1, Serialized)
-{
- Local0 = Arg0
- While (Local0 > 0) {
- /* Wait for Bit to Set. */
- If (TB2P & 0x1) { /* 0x1, TBT2PCIE_DON_R */
- Break
- }
- Local0--
- Sleep (1)
- }
-}
-
-/*
- * Wait For Command Clear
- * Arg0 - TimeOut value
- */
-Method (WTBC, 1, Serialized)
-{
- Local0 = Arg0
- While (Local0 > 0) {
- /* Wait for Bit to Clear. */
- If ((TB2P & 0x1) != 0x0) { /* 0x1, TBT2PCIE_DON_R */
- Break
- }
- Local0--
- Sleep (1)
- }
-}
-
-/*
- * TCSS TBT CONNECT_TOPOLOGY MailBox Command Method
- */
-Method (CNTP, 0, Serialized)
-{
- Local0 = 0
- /* Set Force Power if it is not set */
- If (DFPE == 0) {
- DMAD = 0x22
- DFPE = 1
- /*
- * Poll the TBT NVM FW Ready bit with timeout(default is 500ms) before
- * send the TBT MailBox command.
- */
- While ((INFR == 0) && (Local0 < 500)) {
- Sleep (1)
- Local0++
- }
- }
- If (Local0 != 100) {
- ITMB (0x3E) /* 0x3E, PCIE2TBT_CONNECT_TOPOLOGY_COMMAND */
- }
-}
-
Name (STAT, 0x1) /* Variable to save power state 1 - D0, 0 - D3C */
-Name (ALCT, 0x0) /* Connect-Topology cmd can be sent or not 1 - yes, 0 - no */
-/*
- * Wait Connect-Topology cmd done
- * 0 - no need to wait
- * 1 - need to wait
- * 2 - wait in progress
- */
-Name (WACT, 0x0)
-
-Method (_PS0, 0, Serialized)
-{
- If (WACT == 1) {
- /*
- * PCIe rp0/rp1 is grouped with DMA0 and PCIe rp2/rp3 is grouped wit DMA1.
- * Whenever the Connect-Topology command is in the process, WACT flag is set 1.
- * PCIe root ports 0/1/2/3/ and DMA 0/1 _PS0 method set WACT to 2 to indicate
- * other thread's _PS0 to wait for the command completion. WACT is cleared to
- * be 0 after command is finished.
- */
- WACT = 2
- WFCC (100) /* Wait for command complete. */
- WACT = 0
- } ElseIf (WACT == 2) {
- While (WACT != 0) {
- Sleep (5)
- }
- }
-}
-
-Method (_PS3, 0, Serialized)
-{
-}
Method (_S0W, 0x0)
{
@@ -178,7 +67,6 @@ Method (D3CE, 0, Serialized)
{
DD3E = 1 /* Enable DMA RTD3 */
STAT = 0
- ALCT = 0x1 /* Allow to send Connect-Topology cmd. */
}
/*
diff --git a/src/soc/intel/tigerlake/acpi/tcss_pcierp.asl b/src/soc/intel/tigerlake/acpi/tcss_pcierp.asl
index a7eafa40bf..096a6735c9 100644
--- a/src/soc/intel/tigerlake/acpi/tcss_pcierp.asl
+++ b/src/soc/intel/tigerlake/acpi/tcss_pcierp.asl
@@ -64,7 +64,7 @@ Field (PXCS, AnyAcc, NoLock, WriteAsZeros)
*/
Method (_DSM, 4, Serialized)
{
- Return (Buffer() {0x00})
+ Return (Buffer() { 0x00 })
}
Device (PXSX)
@@ -195,34 +195,8 @@ Method (_PS0, 0, Serialized)
If (PMEX == 1) {
PMEX = 0 /* Disable Power Management SCI */
}
- Sleep(100) /* Wait for 100ms before return to OS starts any DS activities. */
- If ((TUID == 0) || (TUID == 1)) {
- If (\_SB.PCI0.TDM0.WACT == 1) {
- /*
- * Indicate other thread's _PS0 to wait the response.
- */
- \_SB.PCI0.TDM0.WACT = 2
- \_SB.PCI0.TDM0.WFCC (10) /* Wait for command complete. */
- \_SB.PCI0.TDM0.WACT = 0
- } ElseIf (\_SB.PCI0.TDM0.WACT == 2) {
- While (\_SB.PCI0.TDM0.WACT != 0) {
- Sleep (5)
- }
- }
- } Else {
- If (\_SB.PCI0.TDM1.WACT == 1) {
- /*
- * Indicate other thread's _PS0 to wait the response.
- */
- \_SB.PCI0.TDM1.WACT = 2
- \_SB.PCI0.TDM1.WFCC (10) /* Wait for command complete. */
- \_SB.PCI0.TDM1.WACT = 0
- } ElseIf (\_SB.PCI0.TDM1.WACT == 2) {
- While (\_SB.PCI0.TDM1.WACT != 0) {
- Sleep (5)
- }
- }
- }
+
+ Sleep(100) /* Wait for 100ms before return to OS starts any OS activities. */
}
Method (_PS3, 0, Serialized)
@@ -246,8 +220,8 @@ Method (_PS3, 0, Serialized)
}
Method (_DSD, 0) {
- Return (
- Package () {
+ If ((TUID == 0) || (TUID == 1)) {
+ Return ( Package() {
/* acpi_pci_bridge_d3 at ../drivers/pci/pci-acpi.c */
ToUUID("6211E2C0-58A3-4AF3-90E1-927A4E0C55A4"),
Package ()
@@ -264,9 +238,64 @@ Method (_DSD, 0) {
* (NumOfTBTRP - 1).
*/
Package (2) { "UID", TUID },
+ },
+ ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+ Package () {
+ Package (2) { "usb4-host-interface", \_SB.PCI0.TDM0 },
+ Package (2) { "usb4-port-number", TUID },
}
- }
- )
+ })
+ } ElseIf (TUID == 2) {
+ Return ( Package () {
+ /* acpi_pci_bridge_d3 at ../drivers/pci/pci-acpi.c */
+ ToUUID("6211E2C0-58A3-4AF3-90E1-927A4E0C55A4"),
+ Package ()
+ {
+ Package (2) { "HotPlugSupportInD3", 1 },
+ },
+
+ /* pci_acpi_set_untrusted at ../drivers/pci/pci-acpi.c */
+ ToUUID("EFCC06CC-73AC-4BC3-BFF0-76143807C389"),
+ Package () {
+ Package (2) { "ExternalFacingPort", 1 }, /* TBT/CIO port */
+ /*
+ * UID of the TBT RP on platform, range is: 0, 1 ...,
+ * (NumOfTBTRP - 1).
+ */
+ Package (2) { "UID", TUID },
+ },
+ ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+ Package () {
+ Package (2) { "usb4-host-interface", \_SB.PCI0.TDM1 },
+ Package (2) { "usb4-port-number", 0 },
+ }
+ })
+ } Else { /* TUID == 3 */
+ Return ( Package () {
+ /* acpi_pci_bridge_d3 at ../drivers/pci/pci-acpi.c */
+ ToUUID("6211E2C0-58A3-4AF3-90E1-927A4E0C55A4"),
+ Package ()
+ {
+ Package (2) { "HotPlugSupportInD3", 1 },
+ },
+
+ /* pci_acpi_set_untrusted at ../drivers/pci/pci-acpi.c */
+ ToUUID("EFCC06CC-73AC-4BC3-BFF0-76143807C389"),
+ Package () {
+ Package (2) { "ExternalFacingPort", 1 }, /* TBT/CIO port */
+ /*
+ * UID of the TBT RP on platform, range is: 0, 1 ...,
+ * (NumOfTBTRP - 1).
+ */
+ Package (2) { "UID", TUID },
+ },
+ ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+ Package () {
+ Package (2) { "usb4-host-interface", \_SB.PCI0.TDM1 },
+ Package (2) { "usb4-port-number", 1 },
+ }
+ })
+ }
}
Method (_S0W, 0x0, NotSerialized)
diff --git a/src/soc/intel/tigerlake/acpi/tcss_xhci.asl b/src/soc/intel/tigerlake/acpi/tcss_xhci.asl
index 259b92a92f..c32deed8c3 100644
--- a/src/soc/intel/tigerlake/acpi/tcss_xhci.asl
+++ b/src/soc/intel/tigerlake/acpi/tcss_xhci.asl
@@ -118,20 +118,68 @@ Device (RHUB)
Device (SS01)
{
Name (_ADR, 0x02)
+ Method (_DSD, 0, NotSerialized)
+ {
+ Return( Package ()
+ {
+ ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+ Package ()
+ {
+ Package (2) { "usb4-host-interface", \_SB.PCI0.TDM0 },
+ Package (2) { "usb4-port-number", 0 }
+ }
+ })
+ }
}
Device (SS02)
{
Name (_ADR, 0x03)
+ Method (_DSD, 0, NotSerialized)
+ {
+ Return( Package ()
+ {
+ ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+ Package ()
+ {
+ Package (2) { "usb4-host-interface", \_SB.PCI0.TDM0 },
+ Package (2) { "usb4-port-number", 1 }
+ }
+ })
+ }
}
Device (SS03)
{
Name (_ADR, 0x04)
+ Method (_DSD, 0, NotSerialized)
+ {
+ Return( Package ()
+ {
+ ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+ Package ()
+ {
+ Package (2) { "usb4-host-interface", \_SB.PCI0.TDM1 },
+ Package (2) { "usb4-port-number", 0 }
+ }
+ })
+ }
}
Device (SS04)
{
Name (_ADR, 0x05)
+ Method (_DSD, 0, NotSerialized)
+ {
+ Return( Package ()
+ {
+ ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+ Package ()
+ {
+ Package (2) { "usb4-host-interface", \_SB.PCI0.TDM1 },
+ Package (2) { "usb4-port-number", 1 }
+ }
+ })
+ }
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 17:33:36 +0000