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| author | Adrian Herrera <adrian.herrera@arm.com> | 2019-08-22 14:20:36 +0100 |
|---|---|---|
| committer | Giacomo Travaglini <giacomo.travaglini@arm.com> | 2019-09-06 08:32:04 +0000 |
| commit | aec83a6451c78f64de5656c2f4075b7453020425 (patch) | |
| tree | f2538777366cfc1191ca45a950d583fcd60d6524 /src/dev/arm | |
| parent | 69097ceac805ad5b7fc65404e80574c22b95e36e (diff) | |
| download | gem5-aec83a6451c78f64de5656c2f4075b7453020425.tar.xz | |
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.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/20609
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Diffstat (limited to 'src/dev/arm')
| -rw-r--r-- | src/dev/arm/Gic.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/dev/arm/Gic.py b/src/dev/arm/Gic.py index e1a8a78db..eec6e95c2 100644 --- a/src/dev/arm/Gic.py +++ b/src/dev/arm/Gic.py @@ -187,6 +187,15 @@ class Gicv3Its(BasicPioDevice): # 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 @@ class Gicv3(BaseGic): node.appendPhandle(self) + # Generate the ITS device tree + node.append(self.its.generateDeviceTree(self._state)) + yield node |