Giacomo Travaglini has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/34380 )
Change subject: dev-arm: Instantiate SCMI in VExpress_GEM5 platforms
..
dev-arm: Instantiate SCMI in VExpress_GEM5 platforms
JIRA: https://gem5.atlassian.net/browse/GEM5-768
Change-Id: If5c03aed43f6a521c657e0c9b1dfa95fa4c72413
Signed-off-by: Giacomo Travaglini
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34380
Tested-by: kokoro
Reviewed-by: Andreas Sandberg
Maintainer: Andreas Sandberg
---
M src/dev/arm/RealView.py
1 file changed, 39 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/RealView.py b/src/dev/arm/RealView.py
index d35f7ce..bf8e0e6 100644
--- a/src/dev/arm/RealView.py
+++ b/src/dev/arm/RealView.py
@@ -53,6 +53,7 @@
from m5.objects.SimpleMemory import SimpleMemory
from m5.objects.GenericTimer import *
from m5.objects.Gic import *
+from m5.objects.MHU import MHU, Scp2ApDoorbell, Ap2ScpDoorbell
from m5.objects.EnergyCtrl import EnergyCtrl
from m5.objects.ClockedObject import ClockedObject
from m5.objects.SubSystem import SubSystem
@@ -61,6 +62,7 @@
from m5.objects.PS2 import *
from m5.objects.VirtIOMMIO import MmioVirtIO
from m5.objects.Display import Display, Display1080p
+from m5.objects.Scmi import *
from m5.objects.SMMUv3 import SMMUv3
from m5.objects.PciDevice import PciLegacyIoBar, PciIoBar
@@ -607,6 +609,23 @@
type = 'FVPBasePwrCtrl'
cxx_header = 'dev/arm/fvp_base_pwr_ctrl.hh'
+class GenericMHU(MHU):
+lowp_scp2ap = Scp2ApDoorbell(
+set_address=0x10020008, clear_address=0x10020010,
+interrupt=ArmSPI(num=68))
+highp_scp2ap = Scp2ApDoorbell(
+set_address=0x10020028, clear_address=0x10020030,
+interrupt=ArmSPI(num=67))
+sec_scp2ap = Scp2ApDoorbell(
+set_address=0x10020208, clear_address=0x10020210,
+interrupt=ArmSPI(num=69))
+lowp_ap2scp = Ap2ScpDoorbell(
+set_address=0x10020108, clear_address=0x10020110)
+highp_ap2scp = Ap2ScpDoorbell(
+set_address=0x10020128, clear_address=0x10020130)
+sec_ap2scp = Ap2ScpDoorbell(
+set_address=0x10020308, clear_address=0x10020310)
+
class RealView(Platform):
type = 'RealView'
cxx_header = "dev/arm/realview.hh"
@@ -912,6 +931,7 @@
0x1000-0x13ff: gem5-specific peripherals (Off-chip, CS5)
0x1000-0x1000: gem5 energy controller
0x1001-0x1001: gem5 pseudo-ops
+ 0x1002-0x1002: gem5 MHU
0x1400-0x17ff: Reserved (Off-chip, PSRAM, CS1)
0x1800-0x1bff: Reserved (Off-chip, Peripherals, CS2)
@@ -1188,6 +1208,25 @@
# system.
cur_sys.m5ops_base = 0x1001
+def attachScmi(self, bus):
+# Generate and attach the mailbox
+self.mailbox = GenericMHU(pio_addr=0x1002)
+self._attach_device(self.mailbox, bus)
+
+# Generate and attach the SCMI platform
+_scmi_comm = ScmiCommunication(
+agent_channel = ScmiAgentChannel(
+shmem=self.non_trusted_sram,
+shmem_range=AddrRange(0x2e00, size=0x200),
+doorbell=self.mailbox.highp_ap2scp),
+platform_channel = ScmiPlatformChannel(
+shmem=self.non_trusted_sram,
+shmem_range=AddrRange(0x2e00, size=0x200),
+doorbell=self.mailbox.highp_scp2ap))
+
+self.scmi = ScmiPlatform(comms=[ _scmi_comm ])
+self._attach_device(self.scmi, bus)
+
def generateDeviceTree(self, state):
# Generate using standard RealView function
dt = list(super(VExpress_GEM5_Base,
self).generateDeviceTree(state))
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: If5c03aed43f6a521c657e0c9b1dfa95fa4c72413
Gerrit-Change-Number: 34380
Gerrit-PatchSet: 11
Gerrit-Owner: Giacomo Travaglini
Gerrit-Reviewer: Andreas Sandberg
Gerrit-Reviewer: Giacomo Travaglini
Gerrit-Reviewer: kokoro
Gerrit-MessageType: merged
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