SBBR requires platforms to provide the _STA ACPI method for each
defined device. This patch implements a stub method that always
indicates devices are present and functional.
Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
Cc: Leif Lindholm <quic_llind...@quicinc.com>
Cc: Graeme Gregory <gra...@nuviainc.com>
Cc: Radoslaw Biernacki <r...@semihalf.com>
Cc: Jeff Booher-Kaeding <jeff.booher-kaed...@arm.com>
Cc: Samer El-Haj-Mahmoud <samer.el-haj-mahm...@arm.com>
Cc: Sunny Wang <sunny.w...@arm.com>
Cc: Jeremy Linton <jeremy.lin...@arm.com>
Signed-off-by: Dimitrije Pavlov <dimitrije.pav...@arm.com>
---
Silicon/Qemu/SbsaQemu/AcpiTables/Dsdt.asl | 38 +++++++++++++++++++-
1 file changed, 37 insertions(+), 1 deletion(-)
diff --git a/Silicon/Qemu/SbsaQemu/AcpiTables/Dsdt.asl
b/Silicon/Qemu/SbsaQemu/AcpiTables/Dsdt.asl
index 1bf9fbb99e75..3357916571fe 100644
--- a/Silicon/Qemu/SbsaQemu/AcpiTables/Dsdt.asl
+++ b/Silicon/Qemu/SbsaQemu/AcpiTables/Dsdt.asl
@@ -16,6 +16,9 @@
Name (_PRS, ResourceTemplate() {
\
Interrupt (ResourceProducer, Level, ActiveHigh, Exclusive) {
Irq } \
})
\
+ Method (_STA) {
\
+ Return (0xF)
\
+ }
\
Method (_CRS, 0) { Return (_PRS) }
\
Method (_SRS, 1) { }
\
Method (_DIS) { }
\
@@ -40,6 +43,9 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
0x00001000)
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { 33 }
})
+ Method (_STA) {
+ Return (0xF)
+ }
}
// AHCI Host Controller
@@ -57,13 +63,18 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
FixedPcdGet32 (PcdPlatformAhciSize))
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { 42 }
})
+ Method (_STA) {
+ Return (0xF)
+ }
}
// USB EHCI Host Controller
Device (USB0) {
Name (_HID, "LNRO0D20")
Name (_CID, "PNP0D20")
-
+ Method (_STA) {
+ Return (0xF)
+ }
Method (_CRS, 0x0, Serialized) {
Name (RBUF, ResourceTemplate() {
Memory32Fixed (ReadWrite,
@@ -77,6 +88,9 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
// 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) {
@@ -87,6 +101,9 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
0x00000000, // Reserved 0 must be zero
0x00000000 // Reserved 1 must be zero
})
+ Method (_STA) {
+ Return (0xF)
+ }
Device (PRT1) {
Name (_ADR, 0x00000001)
@@ -102,6 +119,9 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
0x31, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}
})
+ Method (_STA) {
+ Return (0xF)
+ }
} // USB0_RHUB_HUB1_PRT1
Device (PRT2) {
Name (_ADR, 0x00000002)
@@ -117,6 +137,9 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
0x31, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}
})
+ Method (_STA) {
+ Return (0xF)
+ }
} // USB0_RHUB_HUB1_PRT2
Device (PRT3) {
@@ -133,6 +156,9 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
0x31, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}
})
+ Method (_STA) {
+ Return (0xF)
+ }
} // USB0_RHUB_HUB1_PRT3
Device (PRT4) {
@@ -149,6 +175,9 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
0x31, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}
})
+ Method (_STA) {
+ Return (0xF)
+ }
} // USB0_RHUB_HUB1_PRT4
} // USB0_RHUB_HUB1
} // USB0_RHUB
@@ -164,6 +193,10 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
Name (_UID, "PCI0")
Name (_CCA, One) // Initially mark the PCI coherent (for JunoR1)
+ Method (_STA) {
+ Return (0xF)
+ }
+
Method (_CBA, 0, NotSerialized) {
return (FixedPcdGet32 (PcdPciExpressBaseAddress))
}
@@ -402,6 +435,9 @@ DefinitionBlock ("DsdtTable.aml", "DSDT",
FixedPcdGet64 (PcdPciExpressBarSize), // Length
,, , AddressRangeMemory, TypeStatic)
})
+ Method (_STA) {
+ Return (0xF)
+ }
}
// OS Control Handoff
--
2.34.1
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