I want to add EHCI/XHCI switching so platforms older than 0.3
would not complain about missing XHCI.
---
Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf | 1 +
Silicon/Qemu/SbsaQemu/AcpiTables/Ehci.asl | 132 ++++++++++++++++++++
2 files changed, 133 insertions(+)
diff --git a/Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf
b/Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf
index cd89ab346aa7..b58a2137ec03 100644
--- a/Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf
+++ b/Silicon/Qemu/SbsaQemu/AcpiTables/AcpiTables.inf
@@ -22,6 +22,7 @@ [Sources]
Mcfg.aslc
Spcr.aslc
Xhci.asl
+ Ehci.asl
[Packages]
ArmPlatformPkg/ArmPlatformPkg.dec
diff --git a/Silicon/Qemu/SbsaQemu/AcpiTables/Ehci.asl
b/Silicon/Qemu/SbsaQemu/AcpiTables/Ehci.asl
new file mode 100644
index 000000000000..186f28363d95
--- /dev/null
+++ b/Silicon/Qemu/SbsaQemu/AcpiTables/Ehci.asl
@@ -0,0 +1,132 @@
+/** @file
+* [DSDT] XHCI Usb Host controller
+*
+* Copyright (c) 2023, Linaro Ltd. All rights reserved.
+*
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <IndustryStandard/Acpi60.h>
+#include <IndustryStandard/SbsaQemuAcpi.h>
+
+DefinitionBlock (__FILE__, "SSDT", 1, "LINARO", "SBSAEHCI", 1)
+{
+ Scope (\_SB_)
+ {
+ // USB EHCI Host Controller
+ Device (USB2) {
+ Name (_HID, "PNP0D20") // _HID: Hardware ID
+ Name (_UID, 0x00) // _UID: Unique ID
+ Name (_CCA, 0x01) // _CCA: Cache Coherency Attribute
+ Method (_STA) {
+ Return (0xF)
+ }
+ Method (_CRS, 0x0, Serialized) {
+ Name (RBUF, ResourceTemplate() {
+ Memory32Fixed (ReadWrite,
+ FixedPcdGet32 (PcdPlatformUsbBase),
+ FixedPcdGet32 (PcdPlatformUsbSize))
+ Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { 43 }
+ })
+ Return (RBUF)
+ }
+
+ // Root Hub
+ Device (RHUB) {
+ Name (_ADR, 0x00000000) // Address of Root Hub should be 0 as per
ACPI 5.0 spec
+ Method (_STA) {
+ Return (0xF)
+ }
+
+ // Ports connected to Root Hub
+ Device (HUB1) {
+ Name (_ADR, 0x00000001)
+ Name (_UPC, Package() {
+ 0x00, // Port is NOT connectable
+ 0xFF, // Don't care
+ 0x00000000, // Reserved 0 must be zero
+ 0x00000000 // Reserved 1 must be zero
+ })
+ Method (_STA) {
+ Return (0xF)
+ }
+
+ Device (PRT1) {
+ Name (_ADR, 0x00000001)
+ Name (_UPC, Package() {
+ 0xFF, // Port is connectable
+ 0x00, // Port connector is A
+ 0x00000000,
+ 0x00000000
+ })
+ Name (_PLD, Package() {
+ Buffer(0x10) {
+ 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x31, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ }
+ })
+ Method (_STA) {
+ Return (0xF)
+ }
+ } // USB0_RHUB_HUB1_PRT1
+ Device (PRT2) {
+ Name (_ADR, 0x00000002)
+ Name (_UPC, Package() {
+ 0xFF, // Port is connectable
+ 0x00, // Port connector is A
+ 0x00000000,
+ 0x00000000
+ })
+ Name (_PLD, Package() {
+ Buffer(0x10) {
+ 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x31, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ }
+ })
+ Method (_STA) {
+ Return (0xF)
+ }
+ } // USB0_RHUB_HUB1_PRT2
+
+ Device (PRT3) {
+ Name (_ADR, 0x00000003)
+ Name (_UPC, Package() {
+ 0xFF, // Port is connectable
+ 0x00, // Port connector is A
+ 0x00000000,
+ 0x00000000
+ })
+ Name (_PLD, Package() {
+ Buffer (0x10) {
+ 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x31, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ }
+ })
+ Method (_STA) {
+ Return (0xF)
+ }
+ } // USB0_RHUB_HUB1_PRT3
+
+ Device (PRT4) {
+ Name (_ADR, 0x00000004)
+ Name (_UPC, Package() {
+ 0xFF, // Port is connectable
+ 0x00, // Port connector is A
+ 0x00000000,
+ 0x00000000
+ })
+ Name (_PLD, Package() {
+ Buffer (0x10){
+ 0x81, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x31, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ }
+ })
+ Method (_STA) {
+ Return (0xF)
+ }
+ } // USB0_RHUB_HUB1_PRT4
+ } // USB0_RHUB_HUB1
+ } // USB0_RHUB
+ } // USB0
+ } //\SB
+}
--
2.41.0
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