Giacomo Travaglini has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/20609 )
Change subject: dev-arm: Gicv3 ITS device tree autogen
......................................................................
dev-arm: Gicv3 ITS device tree autogen
This patch adds device tree automatic generation for Gicv3 ITS.
Change-Id: Ic01500ffa691b331f527c5c2c785ff715660b0c2
Reviewed-by: Giacomo Travaglini <giacomo.travagl...@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/20609
Reviewed-by: Andreas Sandberg <andreas.sandb...@arm.com>
Maintainer: Andreas Sandberg <andreas.sandb...@arm.com>
Tested-by: kokoro <noreply+kok...@google.com>
---
M src/dev/arm/Gic.py
1 file changed, 12 insertions(+), 0 deletions(-)
Approvals:
Andreas Sandberg: Looks good to me, approved; Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/dev/arm/Gic.py b/src/dev/arm/Gic.py
index e1a8a78..eec6e95 100644
--- a/src/dev/arm/Gic.py
+++ b/src/dev/arm/Gic.py
@@ -187,6 +187,15 @@
# ID_bits [12:8] = 0b11111: ITS supports 31 EventID bits
gits_typer = Param.UInt64(0x30023F01, "GITS_TYPER RO value")
+ def generateDeviceTree(self, state):
+ node = self.generateBasicPioDeviceNode(state, "gic-its",
self.pio_addr,
+ self.pio_size)
+ node.appendCompatible(["arm,gic-v3-its"])
+ node.append(FdtProperty("msi-controller"))
+ node.append(FdtPropertyWords("#msi-cells", [1]))
+
+ return node
+
class Gicv3(BaseGic):
type = 'Gicv3'
cxx_header = "dev/arm/gic_v3.hh"
@@ -254,4 +263,7 @@
node.appendPhandle(self)
+ # Generate the ITS device tree
+ node.append(self.its.generateDeviceTree(self._state))
+
yield node
--
To view, visit https://gem5-review.googlesource.com/c/public/gem5/+/20609
To unsubscribe, or for help writing mail filters, visit
https://gem5-review.googlesource.com/settings
Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: Ic01500ffa691b331f527c5c2c785ff715660b0c2
Gerrit-Change-Number: 20609
Gerrit-PatchSet: 2
Gerrit-Owner: Giacomo Travaglini <giacomo.travagl...@arm.com>
Gerrit-Reviewer: Andreas Sandberg <andreas.sandb...@arm.com>
Gerrit-Reviewer: Ciro Santilli <ciro.santi...@arm.com>
Gerrit-Reviewer: Giacomo Travaglini <giacomo.travagl...@arm.com>
Gerrit-Reviewer: kokoro <noreply+kok...@google.com>
Gerrit-MessageType: merged
_______________________________________________
gem5-dev mailing list
gem5-dev@gem5.org
http://m5sim.org/mailman/listinfo/gem5-dev
