-# Copyright (c) 2009-2017 ARM Limited
+# Copyright (c) 2009-2020 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
-# Authors: Ali Saidi
-# Gabe Black
-# William Wang
+from m5.defines import buildEnv
from m5.params import *
from m5.proxy import *
-from ClockDomain import ClockDomain
-from VoltageDomain import VoltageDomain
-from Device import BasicPioDevice, PioDevice, IsaFake, BadAddr, DmaDevice
-from PciHost import *
-from Ethernet import NSGigE, IGbE_igb, IGbE_e1000
-from Ide import *
-from Platform import Platform
-from Terminal import Terminal
-from Uart import Uart
-from SimpleMemory import SimpleMemory
-from Gic import *
-from EnergyCtrl import EnergyCtrl
-from ClockDomain import SrcClockDomain
-from SubSystem import SubSystem
+from m5.util.fdthelper import *
+from m5.objects.ClockDomain import ClockDomain, SrcClockDomain
+from m5.objects.VoltageDomain import VoltageDomain
+from m5.objects.Device import \
+ BasicPioDevice, PioDevice, IsaFake, BadAddr, DmaDevice
+from m5.objects.PciHost import *
+from m5.objects.Ethernet import NSGigE, IGbE_igb, IGbE_e1000
+from m5.objects.Ide import *
+from m5.objects.Platform import Platform
+from m5.objects.Terminal import Terminal
+from m5.objects.Uart import Uart
+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
+from m5.objects.Graphics import ImageFormat
+from m5.objects.ClockedObject import ClockedObject
+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
# Platforms with KVM support should generally use in-kernel GIC
# emulation. Use a GIC model that automatically switches between
# gem5's GIC model and KVM's GIC model if KVM is available.
try:
- from KvmGic import MuxingKvmGic
+ from m5.objects.KvmGic import MuxingKvmGic
kvm_gicv2_class = MuxingKvmGic
except ImportError:
# KVM support wasn't compiled into gem5. Fallback to a
# software-only GIC.
- kvm_gicv2_class = Pl390
+ kvm_gicv2_class = Gic400
pass
class AmbaPioDevice(BasicPioDevice):
type = 'AmbaIntDevice'
abstract = True
cxx_header = "dev/arm/amba_device.hh"
- gic = Param.BaseGic(Parent.any, "Gic to use for interrupting")
- int_num = Param.UInt32("Interrupt number that connects to GIC")
+ interrupt = Param.ArmInterruptPin("Interrupt that connects to GIC")
int_delay = Param.Latency("100ns",
"Time between action and interrupt generation by device")
type = 'AmbaDmaDevice'
abstract = True
cxx_header = "dev/arm/amba_device.hh"
- pio_addr = Param.Addr("Address for AMBA slave interface")
- pio_latency = Param.Latency("10ns", "Time between action and write/read result by AMBA DMA Device")
- gic = Param.BaseGic(Parent.any, "Gic to use for interrupting")
- int_num = Param.UInt32("Interrupt number that connects to GIC")
+ pio_addr = Param.Addr("Address for AMBA responder interface")
+ pio_latency = Param.Latency("10ns", "Time between action and write/read"
+ "result by AMBA DMA Device")
+ interrupt = Param.ArmInterruptPin("Interrupt that connects to GIC")
amba_id = Param.UInt32("ID of AMBA device for kernel detection")
class A9SCU(BasicPioDevice):
int_base = Param.Unsigned("PCI interrupt base")
int_count = Param.Unsigned("Maximum number of interrupts used by this host")
+ # This python parameter can be used in configuration scripts to turn
+ # on/off the fdt dma-coherent flag when doing dtb autogeneration
+ _dma_coherent = True
+
+ def generateDeviceTree(self, state):
+ local_state = FdtState(
+ addr_cells=3, size_cells=2,
+ cpu_cells=1, interrupt_cells=1)
+
+ node = FdtNode("pci")
+
+ if int(self.conf_device_bits) == 8:
+ node.appendCompatible("pci-host-cam-generic")
+ elif int(self.conf_device_bits) == 12:
+ node.appendCompatible("pci-host-ecam-generic")
+ else:
+ m5.fatal("No compatibility string for the set conf_device_width")
+
+ node.append(FdtPropertyStrings("device_type", ["pci"]))
+
+ # Cell sizes of child nodes/peripherals
+ node.append(local_state.addrCellsProperty())
+ node.append(local_state.sizeCellsProperty())
+ node.append(local_state.interruptCellsProperty())
+ # PCI address for CPU
+ node.append(FdtPropertyWords("reg",
+ state.addrCells(self.conf_base) +
+ state.sizeCells(self.conf_size) ))
+
+ # Ranges mapping
+ # For now some of this is hard coded, because the PCI module does not
+ # have a proper full understanding of the memory map, but adapting the
+ # PCI module is beyond the scope of what I'm trying to do here.
+ # Values are taken from the VExpress_GEM5_V1 platform.
+ ranges = []
+ # Pio address range
+ ranges += self.pciFdtAddr(space=1, addr=0)
+ ranges += state.addrCells(self.pci_pio_base)
+ ranges += local_state.sizeCells(0x10000) # Fixed size
+
+ # AXI memory address range
+ ranges += self.pciFdtAddr(space=2, addr=0)
+ ranges += state.addrCells(self.pci_mem_base)
+ ranges += local_state.sizeCells(0x40000000) # Fixed size
+ node.append(FdtPropertyWords("ranges", ranges))
+
+ if str(self.int_policy) == 'ARM_PCI_INT_DEV':
+ gic = self._parent.unproxy(self).gic
+ int_phandle = state.phandle(gic)
+ # Interrupt mapping
+ interrupts = []
+
+ # child interrupt specifier
+ child_interrupt = local_state.interruptCells(0x0)
+
+ # parent unit address
+ parent_addr = gic._state.addrCells(0x0)
+
+ for i in range(int(self.int_count)):
+ parent_interrupt = gic.interruptCells(0,
+ int(self.int_base) - 32 + i, 1)
+
+ interrupts += self.pciFdtAddr(device=i, addr=0) + \
+ child_interrupt + [int_phandle] + parent_addr + \
+ parent_interrupt
+
+ node.append(FdtPropertyWords("interrupt-map", interrupts))
+
+ int_count = int(self.int_count)
+ if int_count & (int_count - 1):
+ fatal("PCI interrupt count should be power of 2")
+
+ intmask = self.pciFdtAddr(device=int_count - 1, addr=0) + [0x0]
+ node.append(FdtPropertyWords("interrupt-map-mask", intmask))
+ else:
+ m5.fatal("Unsupported PCI interrupt policy " +
+ "for Device Tree generation")
+
+ if self._dma_coherent:
+ node.append(FdtProperty("dma-coherent"))
+
+ yield node
+
class RealViewCtrl(BasicPioDevice):
type = 'RealViewCtrl'
cxx_header = "dev/arm/rv_ctrl.hh"
proc_id1 = Param.UInt32(0x0C000222, "Processor ID, SYS_PROCID1")
idreg = Param.UInt32(0x00000000, "ID Register, SYS_ID")
+ def generateDeviceTree(self, state):
+ node = FdtNode("sysreg@%x" % int(self.pio_addr))
+ node.appendCompatible("arm,vexpress-sysreg")
+ node.append(FdtPropertyWords("reg",
+ state.addrCells(self.pio_addr) +
+ state.sizeCells(0x1000) ))
+ node.append(FdtProperty("gpio-controller"))
+ node.append(FdtPropertyWords("#gpio-cells", [2]))
+ node.appendPhandle(self)
+
+ yield node
+
class RealViewOsc(ClockDomain):
type = 'RealViewOsc'
cxx_header = "dev/arm/rv_ctrl.hh"
freq = Param.Clock("Default frequency")
+ # These are currently only used for the device tree.
+ min_freq = Param.Clock("0t", "Minimum frequency")
+ max_freq = Param.Clock("0t", "Maximum frequency")
+
+ def generateDeviceTree(self, state):
+ phandle = state.phandle(self)
+ node = FdtNode("osc@" + format(int(phandle), 'x'))
+ node.appendCompatible("arm,vexpress-osc")
+ node.append(FdtPropertyWords("arm,vexpress-sysreg,func",
+ [0x1, int(self.device)]))
+ node.append(FdtPropertyWords("#clock-cells", [0]))
+
+ minf = self.min_freq if self.min_freq.value else self.freq
+ maxf = self.max_freq if self.max_freq.value else self.freq
+
+ # Values are stored as a clock period.
+ def to_freq(prop):
+ return int(1.0 / prop.value)
+
+ node.append(FdtPropertyWords("freq-range",
+ [to_freq(minf), to_freq(maxf)]))
+ node.append(FdtPropertyStrings("clock-output-names",
+ ["oscclk" + str(phandle)]))
+ node.appendPhandle(self)
+ yield node
+
class RealViewTemperatureSensor(SimObject):
type = 'RealViewTemperatureSensor'
cxx_header = "dev/arm/rv_ctrl.hh"
class Temperature(RealViewTemperatureSensor):
site, position, dcc = (0, 0, 0)
- osc_mcc = Osc(device=0, freq="50MHz")
- osc_clcd = Osc(device=1, freq="23.75MHz")
+ osc_mcc = Osc(device=0, min_freq="25MHz", max_freq="60MHz", freq="50MHz")
+ osc_clcd = Osc(device=1, min_freq="23.75MHz", max_freq="63.5MHz",
+ freq="23.75MHz")
osc_peripheral = Osc(device=2, freq="24MHz")
- osc_system_bus = Osc(device=4, freq="24MHz")
+ osc_system_bus = Osc(device=4, min_freq="2MHz", max_freq="230MHz",
+ freq="24MHz")
# See Table 4.19 in ARM DUI 0447J (Motherboard Express uATX TRM).
temp_crtl = Temperature(device=0)
+ def generateDeviceTree(self, state):
+ node = FdtNode("mcc")
+ node.appendCompatible("arm,vexpress,config-bus")
+ node.append(FdtPropertyWords("arm,vexpress,site", [0]))
+
+ for obj in self._children.values():
+ if issubclass(type(obj), SimObject):
+ node.append(obj.generateDeviceTree(state))
+
+ io_phandle = state.phandle(self.osc_mcc.parent.unproxy(self))
+ node.append(FdtPropertyWords("arm,vexpress,config-bridge", io_phandle))
+
+ yield node
+
class CoreTile2A15DCC(SubSystem):
"""ARM CoreTile Express A15x2 Daughterboard Configuration Controller
site, position, dcc = (1, 0, 0)
# See Table 2.8 in ARM DUI 0604E (CoreTile Express A15x2 TRM)
- osc_cpu = Osc(device=0, freq="60MHz")
- osc_hsbm = Osc(device=4, freq="40MHz")
- osc_pxl = Osc(device=5, freq="23.75MHz")
- osc_smb = Osc(device=6, freq="50MHz")
- osc_sys = Osc(device=7, freq="60MHz")
+ osc_cpu = Osc(device=0, min_freq="20MHz", max_freq="60MHz", freq="60MHz")
+ osc_hsbm = Osc(device=4, min_freq="20MHz", max_freq="40MHz", freq="40MHz")
+ osc_pxl = Osc(device=5, min_freq="23.76MHz", max_freq="165MHz",
+ freq="23.75MHz")
+ osc_smb = Osc(device=6, min_freq="20MHz", max_freq="50MHz", freq="50MHz")
+ osc_sys = Osc(device=7, min_freq="20MHz", max_freq="60MHz", freq="60MHz")
osc_ddr = Osc(device=8, freq="40MHz")
-class VGic(PioDevice):
- type = 'VGic'
- cxx_header = "dev/arm/vgic.hh"
- gic = Param.BaseGic(Parent.any, "Gic to use for interrupting")
- platform = Param.Platform(Parent.any, "Platform this device is part of.")
- vcpu_addr = Param.Addr(0, "Address for vcpu interfaces")
- hv_addr = Param.Addr(0, "Address for hv control")
- pio_delay = Param.Latency('10ns', "Delay for PIO r/w")
- # The number of list registers is not currently configurable at runtime.
- ppint = Param.UInt32("HV maintenance interrupt number")
+ def generateDeviceTree(self, state):
+ node = FdtNode("dcc")
+ node.appendCompatible("arm,vexpress,config-bus")
+
+ for obj in self._children.values():
+ if isinstance(obj, SimObject):
+ node.append(obj.generateDeviceTree(state))
+
+ io_phandle = state.phandle(self.osc_cpu.parent.unproxy(self))
+ node.append(FdtPropertyWords("arm,vexpress,config-bridge", io_phandle))
+
+ yield node
class AmbaFake(AmbaPioDevice):
type = 'AmbaFake'
ignore_access = Param.Bool(False, "Ignore reads/writes to this device, (e.g. IsaFake + AMBA)")
amba_id = 0;
+# Simple fixed-rate clock source. Intended to be instantiated in Platform
+# instances for definition of clock bindings on DTB auto-generation
+class FixedClock(SrcClockDomain):
+ # Keep track of the number of FixedClock instances in the system
+ # to provide unique names
+ _index = 0
+
+ def generateDeviceTree(self, state):
+ if len(self.clock) > 1:
+ fatal('FixedClock configured with multiple frequencies')
+ node = FdtNode('clock{}'.format(FixedClock._index))
+ node.appendCompatible('fixed-clock')
+ node.append(FdtPropertyWords('#clock-cells', 0))
+ node.append(FdtPropertyWords('clock-frequency',
+ self.clock[0].frequency))
+ node.appendPhandle(self)
+ FixedClock._index += 1
+
+ yield node
+
class Pl011(Uart):
type = 'Pl011'
cxx_header = "dev/arm/pl011.hh"
- gic = Param.BaseGic(Parent.any, "Gic to use for interrupting")
- int_num = Param.UInt32("Interrupt number that connects to GIC")
+ interrupt = Param.ArmInterruptPin("Interrupt that connects to GIC")
end_on_eot = Param.Bool(False, "End the simulation when a EOT is received on the UART")
int_delay = Param.Latency("100ns", "Time between action and interrupt generation by UART")
+ def generateDeviceTree(self, state):
+ node = self.generateBasicPioDeviceNode(state, 'uart', self.pio_addr,
+ 0x1000, [ self.interrupt ])
+ node.appendCompatible(["arm,pl011", "arm,primecell"])
+
+ # Hardcoded reference to the realview platform clocks, because the
+ # clk_domain can only store one clock (i.e. it is not a VectorParam)
+ realview = self._parent.unproxy(self)
+ node.append(FdtPropertyWords("clocks",
+ [state.phandle(realview.mcc.osc_peripheral),
+ state.phandle(realview.dcc.osc_smb)]))
+ node.append(FdtPropertyStrings("clock-names", ["uartclk", "apb_pclk"]))
+ yield node
+
class Sp804(AmbaPioDevice):
type = 'Sp804'
cxx_header = "dev/arm/timer_sp804.hh"
- gic = Param.BaseGic(Parent.any, "Gic to use for interrupting")
- int_num0 = Param.UInt32("Interrupt number that connects to GIC")
+ int0 = Param.ArmSPI("Interrupt that connects to GIC")
clock0 = Param.Clock('1MHz', "Clock speed of the input")
- int_num1 = Param.UInt32("Interrupt number that connects to GIC")
+ int1 = Param.ArmSPI("Interrupt that connects to GIC")
clock1 = Param.Clock('1MHz', "Clock speed of the input")
amba_id = 0x00141804
+class Sp805(AmbaIntDevice):
+ """
+Arm Watchdog Module (SP805)
+Reference:
+ Arm Watchdog Module (SP805) - Technical Reference Manual - rev. r1p0
+ Doc. ID: ARM DDI 0270B
+ """
+
+ type = 'Sp805'
+ cxx_header = 'dev/arm/watchdog_sp805.hh'
+
+ amba_id = 0x00141805
+
+ def generateDeviceTree(self, state):
+ node = self.generateBasicPioDeviceNode(state, 'watchdog',
+ self.pio_addr, 0x1000, [ self.interrupt ])
+ node.appendCompatible(['arm,sp805', 'arm,primecell'])
+ clocks = [state.phandle(self.clk_domain.unproxy(self))]
+ clock_names = ['wdogclk']
+ platform = self._parent.unproxy(self)
+ if self in platform._off_chip_devices():
+ clocks.append(state.phandle(platform.dcc.osc_smb))
+ clock_names.append('apb_pclk')
+ node.append(FdtPropertyWords('clocks', clocks))
+ node.append(FdtPropertyStrings('clock-names', clock_names))
+
+ yield node
+
+class A9GlobalTimer(BasicPioDevice):
+ type = 'A9GlobalTimer'
+ cxx_header = "dev/arm/timer_a9global.hh"
+ gic = Param.BaseGic(Parent.any, "Gic to use for interrupting")
+ int_num = Param.UInt32("Interrrupt number that connects to GIC")
+
class CpuLocalTimer(BasicPioDevice):
type = 'CpuLocalTimer'
cxx_header = "dev/arm/timer_cpulocal.hh"
- gic = Param.BaseGic(Parent.any, "Gic to use for interrupting")
- int_num_timer = Param.UInt32("Interrrupt number used per-cpu to GIC")
- int_num_watchdog = Param.UInt32("Interrupt number for per-cpu watchdog to GIC")
-
-class GenericTimer(SimObject):
- type = 'GenericTimer'
- cxx_header = "dev/arm/generic_timer.hh"
- system = Param.ArmSystem(Parent.any, "system")
- gic = Param.BaseGic(Parent.any, "GIC to use for interrupting")
- # @todo: for now only two timers per CPU is supported, which is the
- # normal behaviour when security extensions are disabled.
- int_phys = Param.UInt32("Physical timer interrupt number")
- int_virt = Param.UInt32("Virtual timer interrupt number")
-
-class GenericTimerMem(PioDevice):
- type = 'GenericTimerMem'
- cxx_header = "dev/arm/generic_timer.hh"
- gic = Param.BaseGic(Parent.any, "GIC to use for interrupting")
-
- base = Param.Addr(0, "Base address")
-
- int_phys = Param.UInt32("Interrupt number")
- int_virt = Param.UInt32("Interrupt number")
+ int_timer = Param.ArmPPI("Interrrupt used per-cpu to GIC")
+ int_watchdog = Param.ArmPPI("Interrupt for per-cpu watchdog to GIC")
class PL031(AmbaIntDevice):
type = 'PL031'
cxx_header = "dev/arm/rtc_pl031.hh"
time = Param.Time('01/01/2009', "System time to use ('Now' for actual time)")
- amba_id = 0x00341031
+ amba_id = 0x00041031
+
+ def generateDeviceTree(self, state):
+ node = self.generateBasicPioDeviceNode(state, 'rtc', self.pio_addr,
+ 0x1000, [ self.interrupt ])
+
+ node.appendCompatible(["arm,pl031", "arm,primecell"])
+ clock = state.phandle(self.clk_domain.unproxy(self))
+ node.append(FdtPropertyWords("clocks", clock))
+ node.append(FdtPropertyStrings("clock-names", ["apb_pclk"]))
+
+ yield node
class Pl050(AmbaIntDevice):
type = 'Pl050'
cxx_header = "dev/arm/kmi.hh"
- vnc = Param.VncInput(Parent.any, "Vnc server for remote frame buffer display")
- is_mouse = Param.Bool(False, "Is this interface a mouse, if not a keyboard")
- int_delay = '1us'
amba_id = 0x00141050
+ ps2 = Param.PS2Device("PS/2 device")
+
+ def generateDeviceTree(self, state):
+ node = self.generateBasicPioDeviceNode(state, 'kmi', self.pio_addr,
+ 0x1000, [ self.interrupt ])
+
+ node.appendCompatible(["arm,pl050", "arm,primecell"])
+ clock = state.phandle(self.clk_domain.unproxy(self))
+ node.append(FdtPropertyWords("clocks", clock))
+
+ yield node
+
class Pl111(AmbaDmaDevice):
type = 'Pl111'
cxx_header = "dev/arm/pl111.hh"
"selector order in some kernels")
workaround_dma_line_count = Param.Bool(True, "Workaround incorrect "
"DMA line count (off by 1)")
- enable_capture = Param.Bool(True, "capture frame to system.framebuffer.bmp")
+ enable_capture = Param.Bool(True, "capture frame to "
+ "system.framebuffer.{extension}")
+ frame_format = Param.ImageFormat("Auto",
+ "image format of the captured frame")
pixel_buffer_size = Param.MemorySize32("2kB", "Size of address range")
pixel_chunk = Param.Unsigned(32, "Number of pixels to handle in one batch")
virt_refresh_rate = Param.Frequency("20Hz", "Frame refresh rate "
"in KVM mode")
+ _status = "disabled"
+
+ encoder = Param.Display(Display1080p(), "Display encoder")
+
+ def endpointPhandle(self):
+ return "hdlcd_endpoint"
+
+ def generateDeviceTree(self, state):
+ endpoint_node = FdtNode("endpoint")
+ endpoint_node.appendPhandle(self.endpointPhandle())
+
+ for encoder_node in self.encoder.generateDeviceTree(state):
+ encoder_endpoint = self.encoder.endpointNode()
+
+ # Endpoint subnode
+ endpoint_node.append(FdtPropertyWords("remote-endpoint",
+ [ state.phandle(self.encoder.endpointPhandle()) ]))
+ encoder_endpoint.append(FdtPropertyWords("remote-endpoint",
+ [ state.phandle(self.endpointPhandle()) ]))
+
+ yield encoder_node
+
+ port_node = FdtNode("port")
+ port_node.append(endpoint_node)
+
+ node = self.generateBasicPioDeviceNode(state, 'hdlcd',
+ self.pio_addr, 0x1000, [ self.interrupt ])
+
+ node.appendCompatible(["arm,hdlcd"])
+ node.append(FdtPropertyWords("clocks", state.phandle(self.pxl_clk)))
+ node.append(FdtPropertyStrings("clock-names", ["pxlclk"]))
+
+ # This driver is disabled by default since the required DT nodes
+ # haven't been standardized yet. To use it, override this status to
+ # "ok" and add the display configuration nodes required by the driver.
+ # See the driver for more information.
+ node.append(FdtPropertyStrings("status", [ self._status ]))
+
+ self.addIommuProperty(state, node)
+
+ node.append(port_node)
+
+ yield node
+
+class ParentMem(SimpleMemory):
+ """
+ This is a base abstract class for child node generation
+ A memory willing to autogenerate child nodes can do that
+ directly in the generateDeviceTree method.
+ However sometimes portions of memory (child nodes) are tagged
+ for specific applications. Hardcoding the child node in the
+ parent memory class is not flexible, so we delegate this
+ to the application model, which is registering the generator
+ helper via the ParentMem interface.
+ """
+ def __init__(self, *args, **kwargs):
+ super(ParentMem, self).__init__(*args, **kwargs)
+ self._generators = []
+
+ def addSubnodeGenerator(self, gen):
+ """
+ This is the method a client application would use to
+ register a child generator in the memory object.
+ """
+ self._generators.append(gen)
+
+ def generateSubnodes(self, node, state):
+ """
+ This is the method the memory would use to instantiate
+ the child nodes via the previously registered generators.
+ """
+ for subnode_gen in self._generators:
+ node.append(subnode_gen(state))
+
+class MmioSRAM(ParentMem):
+ def __init__(self, *args, **kwargs):
+ super(MmioSRAM, self).__init__(**kwargs)
+
+ def generateDeviceTree(self, state):
+ node = FdtNode("sram@%x" % int(self.range.start))
+ node.appendCompatible(["mmio-sram"])
+ node.append(FdtPropertyWords("reg",
+ state.addrCells(self.range.start) +
+ state.sizeCells(self.range.size()) ))
+
+ local_state = FdtState(addr_cells=2, size_cells=2, cpu_cells=1)
+ node.append(local_state.addrCellsProperty())
+ node.append(local_state.sizeCellsProperty())
+ node.append(FdtPropertyWords("ranges",
+ local_state.addrCells(0) +
+ state.addrCells(self.range.start) +
+ state.sizeCells(self.range.size()) ))
+
+ self.generateSubnodes(node, state)
+
+ yield node
+
+class FVPBasePwrCtrl(BasicPioDevice):
+ """
+Based on Fast Models Base_PowerController v11.8
+Reference:
+ Fast Models Reference Manual - Section 7.7.2 - Version 11.8
+ Document ID: 100964_1180_00_en
+ """
+
+ 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"
system = Param.System(Parent.any, "system")
- _mem_regions = [(Addr(0), Addr('256MB'))]
+ _mem_regions = [ AddrRange(0, size='256MB') ]
+ _num_pci_dev = 0
def _on_chip_devices(self):
return []
def _off_chip_devices(self):
return []
+ def _on_chip_memory(self):
+ return []
+
+ def _off_chip_memory(self):
+ return []
+
_off_chip_ranges = []
+ def _attach_memory(self, mem, bus, mem_ports=None):
+ if hasattr(mem, "port"):
+ if mem_ports is None:
+ mem.port = bus.mem_side_ports
+ else:
+ mem_ports.append(mem.port)
+
def _attach_device(self, device, bus, dma_ports=None):
if hasattr(device, "pio"):
- device.pio = bus.master
+ device.pio = bus.mem_side_ports
if hasattr(device, "dma"):
if dma_ports is None:
- device.dma = bus.slave
+ device.dma = bus.cpu_side_ports
else:
dma_ports.append(device.dma)
for d in devices:
self._attach_device(d, *args, **kwargs)
+ def _attach_mem(self, memories, *args, **kwargs):
+ for mem in memories:
+ self._attach_memory(mem, *args, **kwargs)
+
def _attach_clk(self, devices, clkdomain):
for d in devices:
if hasattr(d, "clk_domain"):
def offChipIOClkDomain(self, clkdomain):
self._attach_clk(self._off_chip_devices(), clkdomain)
- def attachOnChipIO(self, bus, bridge=None, **kwargs):
- self._attach_io(self._on_chip_devices(), bus, **kwargs)
+ def attachOnChipIO(self, bus, bridge=None, dma_ports=None, mem_ports=None):
+ self._attach_mem(self._on_chip_memory(), bus, mem_ports)
+ self._attach_io(self._on_chip_devices(), bus, dma_ports)
if bridge:
bridge.ranges = self._off_chip_ranges
- def attachIO(self, *args, **kwargs):
- self._attach_io(self._off_chip_devices(), *args, **kwargs)
+ def attachIO(self, bus, dma_ports=None, mem_ports=None):
+ self._attach_mem(self._off_chip_memory(), bus, mem_ports)
+ self._attach_io(self._off_chip_devices(), bus, dma_ports)
+
+ def setupBootLoader(self, cur_sys, boot_loader, dtb_addr, load_offset):
+ cur_sys.workload.boot_loader = boot_loader
+ cur_sys.workload.load_addr_offset = load_offset
+ cur_sys.workload.dtb_addr = load_offset + dtb_addr
+ cur_sys.workload.cpu_release_addr = cur_sys.workload.dtb_addr - 8
+
+ def generateDeviceTree(self, state):
+ node = FdtNode("/") # Things in this module need to end up in the root
+ node.append(FdtPropertyWords("interrupt-parent",
+ state.phandle(self.gic)))
+
+ for subnode in self.recurseDeviceTree(state):
+ node.append(subnode)
+
+ yield node
+
+ def annotateCpuDeviceNode(self, cpu, state):
+ system = self.system.unproxy(self)
+ if system._have_psci:
+ cpu.append(FdtPropertyStrings('enable-method', 'psci'))
+ else:
+ cpu.append(FdtPropertyStrings("enable-method", "spin-table"))
+ # The kernel writes the entry addres of secondary CPUs to this
+ # address before waking up secondary CPUs.
+ # The gem5 bootloader then makes secondary CPUs jump to it.
+ cpu.append(FdtPropertyWords("cpu-release-addr", \
+ state.addrCells(system.workload.cpu_release_addr)))
+class VExpress_EMM(RealView):
+ _mem_regions = [ AddrRange('2GB', size='2GB') ]
- def setupBootLoader(self, mem_bus, cur_sys, loc):
- self.nvmem = SimpleMemory(range = AddrRange('2GB', size = '64MB'),
- conf_table_reported = False)
- self.nvmem.port = mem_bus.master
- cur_sys.boot_loader = loc('boot.arm')
- cur_sys.atags_addr = 0x100
- cur_sys.load_addr_mask = 0xfffffff
- cur_sys.load_offset = 0
-
-
-# Reference for memory map and interrupt number
-# RealView Platform Baseboard Explore for Cortex-A9 User Guide(ARM DUI 0440A)
-# Chapter 4: Programmer's Reference
-class RealViewPBX(RealView):
- uart = Pl011(pio_addr=0x10009000, int_num=44)
- realview_io = RealViewCtrl(pio_addr=0x10000000)
- mcc = VExpressMCC()
- dcc = CoreTile2A15DCC()
- gic = Pl390()
- pci_host = GenericPciHost(
- conf_base=0x30000000, conf_size='256MB', conf_device_bits=16,
- pci_pio_base=0)
- timer0 = Sp804(int_num0=36, int_num1=36, pio_addr=0x10011000)
- timer1 = Sp804(int_num0=37, int_num1=37, pio_addr=0x10012000)
- local_cpu_timer = CpuLocalTimer(int_num_timer=29, int_num_watchdog=30, pio_addr=0x1f000600)
- clcd = Pl111(pio_addr=0x10020000, int_num=55)
- kmi0 = Pl050(pio_addr=0x10006000, int_num=52)
- kmi1 = Pl050(pio_addr=0x10007000, int_num=53, is_mouse=True)
- a9scu = A9SCU(pio_addr=0x1f000000)
- cf_ctrl = IdeController(disks=[], pci_func=0, pci_dev=7, pci_bus=2,
- io_shift = 1, ctrl_offset = 2, Command = 0x1,
- BAR0 = 0x18000000, BAR0Size = '16B',
- BAR1 = 0x18000100, BAR1Size = '1B',
- BAR0LegacyIO = True, BAR1LegacyIO = True)
-
-
- l2x0_fake = IsaFake(pio_addr=0x1f002000, pio_size=0xfff)
- flash_fake = IsaFake(pio_addr=0x40000000, pio_size=0x20000000,
- fake_mem=True)
- dmac_fake = AmbaFake(pio_addr=0x10030000)
- uart1_fake = AmbaFake(pio_addr=0x1000a000)
- uart2_fake = AmbaFake(pio_addr=0x1000b000)
- uart3_fake = AmbaFake(pio_addr=0x1000c000)
- smc_fake = AmbaFake(pio_addr=0x100e1000)
- sp810_fake = AmbaFake(pio_addr=0x10001000, ignore_access=True)
- watchdog_fake = AmbaFake(pio_addr=0x10010000)
- gpio0_fake = AmbaFake(pio_addr=0x10013000)
- gpio1_fake = AmbaFake(pio_addr=0x10014000)
- gpio2_fake = AmbaFake(pio_addr=0x10015000)
- ssp_fake = AmbaFake(pio_addr=0x1000d000)
- sci_fake = AmbaFake(pio_addr=0x1000e000)
- aaci_fake = AmbaFake(pio_addr=0x10004000)
- mmc_fake = AmbaFake(pio_addr=0x10005000)
- rtc = PL031(pio_addr=0x10017000, int_num=42)
- energy_ctrl = EnergyCtrl(pio_addr=0x1000f000)
-
-
- # Attach I/O devices that are on chip and also set the appropriate
- # ranges for the bridge
- def attachOnChipIO(self, bus, bridge):
- self.gic.pio = bus.master
- self.l2x0_fake.pio = bus.master
- self.a9scu.pio = bus.master
- self.local_cpu_timer.pio = bus.master
- # Bridge ranges based on excluding what is part of on-chip I/O
- # (gic, l2x0, a9scu, local_cpu_timer)
- bridge.ranges = [AddrRange(self.realview_io.pio_addr,
- self.a9scu.pio_addr - 1),
- AddrRange(self.flash_fake.pio_addr,
- self.flash_fake.pio_addr + \
- self.flash_fake.pio_size - 1)]
-
- # Set the clock domain for IO objects that are considered
- # to be "close" to the cores.
- def onChipIOClkDomain(self, clkdomain):
- self.gic.clk_domain = clkdomain
- self.l2x0_fake.clk_domain = clkdomain
- self.a9scu.clkdomain = clkdomain
- self.local_cpu_timer.clk_domain = clkdomain
-
- # Attach I/O devices to specified bus object. Can't do this
- # earlier, since the bus object itself is typically defined at the
- # System level.
- def attachIO(self, bus):
- self.uart.pio = bus.master
- self.realview_io.pio = bus.master
- self.pci_host.pio = bus.master
- self.timer0.pio = bus.master
- self.timer1.pio = bus.master
- self.clcd.pio = bus.master
- self.clcd.dma = bus.slave
- self.kmi0.pio = bus.master
- self.kmi1.pio = bus.master
- self.cf_ctrl.pio = bus.master
- self.cf_ctrl.dma = bus.slave
- self.dmac_fake.pio = bus.master
- self.uart1_fake.pio = bus.master
- self.uart2_fake.pio = bus.master
- self.uart3_fake.pio = bus.master
- self.smc_fake.pio = bus.master
- self.sp810_fake.pio = bus.master
- self.watchdog_fake.pio = bus.master
- self.gpio0_fake.pio = bus.master
- self.gpio1_fake.pio = bus.master
- self.gpio2_fake.pio = bus.master
- self.ssp_fake.pio = bus.master
- self.sci_fake.pio = bus.master
- self.aaci_fake.pio = bus.master
- self.mmc_fake.pio = bus.master
- self.rtc.pio = bus.master
- self.flash_fake.pio = bus.master
- self.energy_ctrl.pio = bus.master
-
- # Set the clock domain for IO objects that are considered
- # to be "far" away from the cores.
- def offChipIOClkDomain(self, clkdomain):
- self.uart.clk_domain = clkdomain
- self.realview_io.clk_domain = clkdomain
- self.timer0.clk_domain = clkdomain
- self.timer1.clk_domain = clkdomain
- self.clcd.clk_domain = clkdomain
- self.kmi0.clk_domain = clkdomain
- self.kmi1.clk_domain = clkdomain
- self.cf_ctrl.clk_domain = clkdomain
- self.dmac_fake.clk_domain = clkdomain
- self.uart1_fake.clk_domain = clkdomain
- self.uart2_fake.clk_domain = clkdomain
- self.uart3_fake.clk_domain = clkdomain
- self.smc_fake.clk_domain = clkdomain
- self.sp810_fake.clk_domain = clkdomain
- self.watchdog_fake.clk_domain = clkdomain
- self.gpio0_fake.clk_domain = clkdomain
- self.gpio1_fake.clk_domain = clkdomain
- self.gpio2_fake.clk_domain = clkdomain
- self.ssp_fake.clk_domain = clkdomain
- self.sci_fake.clk_domain = clkdomain
- self.aaci_fake.clk_domain = clkdomain
- self.mmc_fake.clk_domain = clkdomain
- self.rtc.clk_domain = clkdomain
- self.flash_fake.clk_domain = clkdomain
- self.energy_ctrl.clk_domain = clkdomain
-
-# Reference for memory map and interrupt number
-# RealView Emulation Baseboard User Guide (ARM DUI 0143B)
-# Chapter 4: Programmer's Reference
-class RealViewEB(RealView):
- uart = Pl011(pio_addr=0x10009000, int_num=44)
- realview_io = RealViewCtrl(pio_addr=0x10000000, idreg=0x01400500)
- mcc = VExpressMCC()
- dcc = CoreTile2A15DCC()
- gic = Pl390(dist_addr=0x10041000, cpu_addr=0x10040000)
- timer0 = Sp804(int_num0=36, int_num1=36, pio_addr=0x10011000)
- timer1 = Sp804(int_num0=37, int_num1=37, pio_addr=0x10012000)
- clcd = Pl111(pio_addr=0x10020000, int_num=23)
- kmi0 = Pl050(pio_addr=0x10006000, int_num=20)
- kmi1 = Pl050(pio_addr=0x10007000, int_num=21, is_mouse=True)
-
- l2x0_fake = IsaFake(pio_addr=0x1f002000, pio_size=0xfff, warn_access="1")
- flash_fake = IsaFake(pio_addr=0x40000000, pio_size=0x20000000-1,
- fake_mem=True)
- dmac_fake = AmbaFake(pio_addr=0x10030000)
- uart1_fake = AmbaFake(pio_addr=0x1000a000)
- uart2_fake = AmbaFake(pio_addr=0x1000b000)
- uart3_fake = AmbaFake(pio_addr=0x1000c000)
- smcreg_fake = IsaFake(pio_addr=0x10080000, pio_size=0x10000-1)
- smc_fake = AmbaFake(pio_addr=0x100e1000)
- sp810_fake = AmbaFake(pio_addr=0x10001000, ignore_access=True)
- watchdog_fake = AmbaFake(pio_addr=0x10010000)
- gpio0_fake = AmbaFake(pio_addr=0x10013000)
- gpio1_fake = AmbaFake(pio_addr=0x10014000)
- gpio2_fake = AmbaFake(pio_addr=0x10015000)
- ssp_fake = AmbaFake(pio_addr=0x1000d000)
- sci_fake = AmbaFake(pio_addr=0x1000e000)
- aaci_fake = AmbaFake(pio_addr=0x10004000)
- mmc_fake = AmbaFake(pio_addr=0x10005000)
- rtc_fake = AmbaFake(pio_addr=0x10017000, amba_id=0x41031)
- energy_ctrl = EnergyCtrl(pio_addr=0x1000f000)
-
- # Attach I/O devices that are on chip and also set the appropriate
- # ranges for the bridge
- def attachOnChipIO(self, bus, bridge):
- self.gic.pio = bus.master
- self.l2x0_fake.pio = bus.master
- # Bridge ranges based on excluding what is part of on-chip I/O
- # (gic, l2x0)
- bridge.ranges = [AddrRange(self.realview_io.pio_addr,
- self.gic.cpu_addr - 1),
- AddrRange(self.flash_fake.pio_addr, Addr.max)]
-
- # Set the clock domain for IO objects that are considered
- # to be "close" to the cores.
- def onChipIOClkDomain(self, clkdomain):
- self.gic.clk_domain = clkdomain
- self.l2x0_fake.clk_domain = clkdomain
-
- # Attach I/O devices to specified bus object. Can't do this
- # earlier, since the bus object itself is typically defined at the
- # System level.
- def attachIO(self, bus):
- self.uart.pio = bus.master
- self.realview_io.pio = bus.master
- self.pci_host.pio = bus.master
- self.timer0.pio = bus.master
- self.timer1.pio = bus.master
- self.clcd.pio = bus.master
- self.clcd.dma = bus.slave
- self.kmi0.pio = bus.master
- self.kmi1.pio = bus.master
- self.dmac_fake.pio = bus.master
- self.uart1_fake.pio = bus.master
- self.uart2_fake.pio = bus.master
- self.uart3_fake.pio = bus.master
- self.smc_fake.pio = bus.master
- self.sp810_fake.pio = bus.master
- self.watchdog_fake.pio = bus.master
- self.gpio0_fake.pio = bus.master
- self.gpio1_fake.pio = bus.master
- self.gpio2_fake.pio = bus.master
- self.ssp_fake.pio = bus.master
- self.sci_fake.pio = bus.master
- self.aaci_fake.pio = bus.master
- self.mmc_fake.pio = bus.master
- self.rtc_fake.pio = bus.master
- self.flash_fake.pio = bus.master
- self.smcreg_fake.pio = bus.master
- self.energy_ctrl.pio = bus.master
-
- # Set the clock domain for IO objects that are considered
- # to be "far" away from the cores.
- def offChipIOClkDomain(self, clkdomain):
- self.uart.clk_domain = clkdomain
- self.realview_io.clk_domain = clkdomain
- self.timer0.clk_domain = clkdomain
- self.timer1.clk_domain = clkdomain
- self.clcd.clk_domain = clkdomain
- self.kmi0.clk_domain = clkdomain
- self.kmi1.clk_domain = clkdomain
- self.dmac_fake.clk_domain = clkdomain
- self.uart1_fake.clk_domain = clkdomain
- self.uart2_fake.clk_domain = clkdomain
- self.uart3_fake.clk_domain = clkdomain
- self.smc_fake.clk_domain = clkdomain
- self.sp810_fake.clk_domain = clkdomain
- self.watchdog_fake.clk_domain = clkdomain
- self.gpio0_fake.clk_domain = clkdomain
- self.gpio1_fake.clk_domain = clkdomain
- self.gpio2_fake.clk_domain = clkdomain
- self.ssp_fake.clk_domain = clkdomain
- self.sci_fake.clk_domain = clkdomain
- self.aaci_fake.clk_domain = clkdomain
- self.mmc_fake.clk_domain = clkdomain
- self.rtc.clk_domain = clkdomain
- self.flash_fake.clk_domain = clkdomain
- self.smcreg_fake.clk_domain = clkdomain
- self.energy_ctrl.clk_domain = clkdomain
+ # Ranges based on excluding what is part of on-chip I/O (gic,
+ # a9scu)
+ _off_chip_ranges = [AddrRange(0x2F000000, size='16MB'),
+ AddrRange(0x30000000, size='256MB'),
+ AddrRange(0x40000000, size='512MB'),
+ AddrRange(0x18000000, size='64MB'),
+ AddrRange(0x1C000000, size='64MB')]
+
+ # Platform control device (off-chip)
+ realview_io = RealViewCtrl(proc_id0=0x14000000, proc_id1=0x14000000,
+ idreg=0x02250000, pio_addr=0x1C010000)
-class VExpress_EMM(RealView):
- _mem_regions = [(Addr('2GB'), Addr('2GB'))]
- uart = Pl011(pio_addr=0x1c090000, int_num=37)
- realview_io = RealViewCtrl(
- proc_id0=0x14000000, proc_id1=0x14000000,
- idreg=0x02250000, pio_addr=0x1C010000)
mcc = VExpressMCC()
dcc = CoreTile2A15DCC()
- gic = Pl390(dist_addr=0x2C001000, cpu_addr=0x2C002000)
+
+ ### On-chip devices ###
+ gic = Gic400(dist_addr=0x2C001000, cpu_addr=0x2C002000)
+ vgic = VGic(vcpu_addr=0x2c006000, hv_addr=0x2c004000, maint_int=25)
+
+ local_cpu_timer = CpuLocalTimer(int_timer=ArmPPI(num=29),
+ int_watchdog=ArmPPI(num=30),
+ pio_addr=0x2C080000)
+
+ hdlcd = HDLcd(pxl_clk=dcc.osc_pxl,
+ pio_addr=0x2b000000, interrupt=ArmSPI(num=117),
+ workaround_swap_rb=True)
+
+ def _on_chip_devices(self):
+ devices = [
+ self.gic, self.vgic,
+ self.local_cpu_timer
+ ]
+ if hasattr(self, "gicv2m"):
+ devices.append(self.gicv2m)
+ devices.append(self.hdlcd)
+ return devices
+
+ def _on_chip_memory(self):
+ memories = [
+ self.bootmem,
+ ]
+ return memories
+
+ ### Off-chip devices ###
+ uart = Pl011(pio_addr=0x1c090000, interrupt=ArmSPI(num=37))
pci_host = GenericPciHost(
conf_base=0x30000000, conf_size='256MB', conf_device_bits=16,
pci_pio_base=0)
- local_cpu_timer = CpuLocalTimer(int_num_timer=29, int_num_watchdog=30, pio_addr=0x2C080000)
- generic_timer = GenericTimer(int_phys=29, int_virt=27)
- timer0 = Sp804(int_num0=34, int_num1=34, pio_addr=0x1C110000, clock0='1MHz', clock1='1MHz')
- timer1 = Sp804(int_num0=35, int_num1=35, pio_addr=0x1C120000, clock0='1MHz', clock1='1MHz')
- clcd = Pl111(pio_addr=0x1c1f0000, int_num=46)
- hdlcd = HDLcd(pxl_clk=dcc.osc_pxl,
- pio_addr=0x2b000000, int_num=117,
- workaround_swap_rb=True)
- kmi0 = Pl050(pio_addr=0x1c060000, int_num=44)
- kmi1 = Pl050(pio_addr=0x1c070000, int_num=45, is_mouse=True)
- vgic = VGic(vcpu_addr=0x2c006000, hv_addr=0x2c004000, ppint=25)
+
+ sys_counter = SystemCounter()
+ generic_timer = GenericTimer(
+ int_phys_s=ArmPPI(num=29, int_type='IRQ_TYPE_LEVEL_LOW'),
+ int_phys_ns=ArmPPI(num=30, int_type='IRQ_TYPE_LEVEL_LOW'),
+ int_virt=ArmPPI(num=27, int_type='IRQ_TYPE_LEVEL_LOW'),
+ int_hyp=ArmPPI(num=26, int_type='IRQ_TYPE_LEVEL_LOW'))
+
+ timer0 = Sp804(int0=ArmSPI(num=34), int1=ArmSPI(num=34),
+ pio_addr=0x1C110000, clock0='1MHz', clock1='1MHz')
+ timer1 = Sp804(int0=ArmSPI(num=35), int1=ArmSPI(num=35),
+ pio_addr=0x1C120000, clock0='1MHz', clock1='1MHz')
+ clcd = Pl111(pio_addr=0x1c1f0000, interrupt=ArmSPI(num=46))
+ kmi0 = Pl050(pio_addr=0x1c060000, interrupt=ArmSPI(num=44),
+ ps2=PS2Keyboard())
+ kmi1 = Pl050(pio_addr=0x1c070000, interrupt=ArmSPI(num=45),
+ ps2=PS2TouchKit())
cf_ctrl = IdeController(disks=[], pci_func=0, pci_dev=0, pci_bus=2,
- io_shift = 2, ctrl_offset = 2, Command = 0x1,
- BAR0 = 0x1C1A0000, BAR0Size = '256B',
- BAR1 = 0x1C1A0100, BAR1Size = '4096B',
- BAR0LegacyIO = True, BAR1LegacyIO = True)
+ io_shift = 2, ctrl_offset = 2, Command = 0x1)
+ cf_ctrl.BAR0 = PciLegacyIoBar(addr='0x1C1A0000', size='256B')
+ cf_ctrl.BAR1 = PciLegacyIoBar(addr='0x1C1A0100', size='4096B')
+ bootmem = SimpleMemory(range = AddrRange('64MB'),
+ conf_table_reported = False)
vram = SimpleMemory(range = AddrRange(0x18000000, size='32MB'),
conf_table_reported = False)
- rtc = PL031(pio_addr=0x1C170000, int_num=36)
+ rtc = PL031(pio_addr=0x1C170000, interrupt=ArmSPI(num=36))
l2x0_fake = IsaFake(pio_addr=0x2C100000, pio_size=0xfff)
uart1_fake = AmbaFake(pio_addr=0x1C0A0000)
mmc_fake = AmbaFake(pio_addr=0x1c050000)
energy_ctrl = EnergyCtrl(pio_addr=0x1c080000)
+ def _off_chip_devices(self):
+ devices = [
+ self.uart,
+ self.realview_io,
+ self.pci_host,
+ self.timer0,
+ self.timer1,
+ self.clcd,
+ self.kmi0,
+ self.kmi1,
+ self.cf_ctrl,
+ self.rtc,
+ self.vram,
+ self.l2x0_fake,
+ self.uart1_fake,
+ self.uart2_fake,
+ self.uart3_fake,
+ self.sp810_fake,
+ self.watchdog_fake,
+ self.aaci_fake,
+ self.lan_fake,
+ self.usb_fake,
+ self.mmc_fake,
+ self.energy_ctrl,
+ ]
+ # Try to attach the I/O if it exists
+ if hasattr(self, "ide"):
+ devices.append(self.ide)
+ if hasattr(self, "ethernet"):
+ devices.append(self.ethernet)
+ return devices
+
# Attach any PCI devices that are supported
def attachPciDevices(self):
self.ethernet = IGbE_e1000(pci_bus=0, pci_dev=0, pci_func=0,
InterruptLine=2, InterruptPin=2)
def enableMSIX(self):
- self.gic = Pl390(dist_addr=0x2C001000, cpu_addr=0x2C002000, it_lines=512)
+ self.gic = Gic400(dist_addr=0x2C001000, cpu_addr=0x2C002000,
+ it_lines=512)
self.gicv2m = Gicv2m()
self.gicv2m.frames = [Gicv2mFrame(spi_base=256, spi_len=64, addr=0x2C1C0000)]
- def setupBootLoader(self, mem_bus, cur_sys, loc):
- self.nvmem = SimpleMemory(range = AddrRange('64MB'),
- conf_table_reported = False)
- self.nvmem.port = mem_bus.master
- cur_sys.boot_loader = loc('boot_emm.arm')
- cur_sys.atags_addr = 0x8000000
- cur_sys.load_addr_mask = 0xfffffff
- cur_sys.load_offset = 0x80000000
-
- # Attach I/O devices that are on chip and also set the appropriate
- # ranges for the bridge
- def attachOnChipIO(self, bus, bridge=None):
- self.gic.pio = bus.master
- self.vgic.pio = bus.master
- self.local_cpu_timer.pio = bus.master
- if hasattr(self, "gicv2m"):
- self.gicv2m.pio = bus.master
- self.hdlcd.dma = bus.slave
- if bridge:
- # Bridge ranges based on excluding what is part of on-chip I/O
- # (gic, a9scu)
- bridge.ranges = [AddrRange(0x2F000000, size='16MB'),
- AddrRange(0x2B000000, size='4MB'),
- AddrRange(0x30000000, size='256MB'),
- AddrRange(0x40000000, size='512MB'),
- AddrRange(0x18000000, size='64MB'),
- AddrRange(0x1C000000, size='64MB')]
-
-
- # Set the clock domain for IO objects that are considered
- # to be "close" to the cores.
- def onChipIOClkDomain(self, clkdomain):
- self.gic.clk_domain = clkdomain
- if hasattr(self, "gicv2m"):
- self.gicv2m.clk_domain = clkdomain
- self.hdlcd.clk_domain = clkdomain
- self.vgic.clk_domain = clkdomain
-
- # Attach I/O devices to specified bus object. Done here
- # as the specified bus to connect to may not always be fixed.
- def attachIO(self, bus):
- self.uart.pio = bus.master
- self.realview_io.pio = bus.master
- self.pci_host.pio = bus.master
- self.timer0.pio = bus.master
- self.timer1.pio = bus.master
- self.clcd.pio = bus.master
- self.clcd.dma = bus.slave
- self.hdlcd.pio = bus.master
- self.kmi0.pio = bus.master
- self.kmi1.pio = bus.master
- self.cf_ctrl.pio = bus.master
- self.cf_ctrl.dma = bus.slave
- self.rtc.pio = bus.master
- self.vram.port = bus.master
-
- self.l2x0_fake.pio = bus.master
- self.uart1_fake.pio = bus.master
- self.uart2_fake.pio = bus.master
- self.uart3_fake.pio = bus.master
- self.sp810_fake.pio = bus.master
- self.watchdog_fake.pio = bus.master
- self.aaci_fake.pio = bus.master
- self.lan_fake.pio = bus.master
- self.usb_fake.pio = bus.master
- self.mmc_fake.pio = bus.master
- self.energy_ctrl.pio = bus.master
-
- # Try to attach the I/O if it exists
- try:
- self.ide.pio = bus.master
- self.ide.dma = bus.slave
- self.ethernet.pio = bus.master
- self.ethernet.dma = bus.slave
- except:
- pass
-
- # Set the clock domain for IO objects that are considered
- # to be "far" away from the cores.
- def offChipIOClkDomain(self, clkdomain):
- self.uart.clk_domain = clkdomain
- self.realview_io.clk_domain = clkdomain
- self.timer0.clk_domain = clkdomain
- self.timer1.clk_domain = clkdomain
- self.clcd.clk_domain = clkdomain
- self.kmi0.clk_domain = clkdomain
- self.kmi1.clk_domain = clkdomain
- self.cf_ctrl.clk_domain = clkdomain
- self.rtc.clk_domain = clkdomain
- self.vram.clk_domain = clkdomain
-
- self.l2x0_fake.clk_domain = clkdomain
- self.uart1_fake.clk_domain = clkdomain
- self.uart2_fake.clk_domain = clkdomain
- self.uart3_fake.clk_domain = clkdomain
- self.sp810_fake.clk_domain = clkdomain
- self.watchdog_fake.clk_domain = clkdomain
- self.aaci_fake.clk_domain = clkdomain
- self.lan_fake.clk_domain = clkdomain
- self.usb_fake.clk_domain = clkdomain
- self.mmc_fake.clk_domain = clkdomain
- self.energy_ctrl.clk_domain = clkdomain
+ def setupBootLoader(self, cur_sys, loc, boot_loader=None):
+ if boot_loader is None:
+ boot_loader = loc('boot_emm.arm')
+ super(VExpress_EMM, self).setupBootLoader(
+ cur_sys, boot_loader, 0x8000000, 0x80000000)
class VExpress_EMM64(VExpress_EMM):
# Three memory regions are specified totalling 512GB
- _mem_regions = [(Addr('2GB'), Addr('2GB')), (Addr('34GB'), Addr('30GB')),
- (Addr('512GB'), Addr('480GB'))]
+ _mem_regions = [ AddrRange('2GB', size='2GB'),
+ AddrRange('34GB', size='30GB'),
+ AddrRange('512GB', size='480GB') ]
pci_host = GenericPciHost(
conf_base=0x30000000, conf_size='256MB', conf_device_bits=12,
pci_pio_base=0x2f000000)
- def setupBootLoader(self, mem_bus, cur_sys, loc):
- self.nvmem = SimpleMemory(range=AddrRange(0, size='64MB'),
- conf_table_reported=False)
- self.nvmem.port = mem_bus.master
- cur_sys.boot_loader = loc('boot_emm.arm64')
- cur_sys.atags_addr = 0x8000000
- cur_sys.load_addr_mask = 0xfffffff
- cur_sys.load_offset = 0x80000000
+ def setupBootLoader(self, cur_sys, loc, boot_loader=None):
+ if boot_loader is None:
+ boot_loader = loc('boot_emm.arm64')
+ RealView.setupBootLoader(self, cur_sys, boot_loader,
+ 0x8000000, 0x80000000)
-
-class VExpress_GEM5_V1(RealView):
+class VExpress_GEM5_Base(RealView):
"""
The VExpress gem5 memory map is loosely based on a modified
Versatile Express RS1 memory map.
the gem5-specific SPI range.
On-chip peripherals are loosely modeled after the ARM CoreTile Express
-A15x2 A7x3 memory and interrupt map. In particular, the GIC and
+A15x2 memory and interrupt map. In particular, the GIC and
Generic Timer have the same interrupt lines and base addresses. Other
on-chip devices are gem5 specific.
large contigious DRAM space, without aliases or holes, starting at the
2GiB boundary. This means that PCI memory is limited to 1GiB.
+References:
+
+ Technical Reference Manuals:
+ Arm Motherboard Express uATX (V2M-P1) - ARM DUI 0447J
+ Arm CoreTile Express A15x2 (V2P-CA15) - ARM DUI 0604E
+
+ Official Linux device tree specifications:
+ V2M-P1 - arch/arm/boot/dts/vexpress-v2m-rs1.dtsi
+ V2P-CA15 - arch/arm/boot/dts/vexpress-v2p-ca15-tc1.dts
+
+ Memory map:
+ Arm CoreTile Express A15x2 (V2P-CA15) - ARM DUI 0604E
+ Daughterboard (global)
+ Section 3.2.1 - Table 3-1 - Daughterboard memory map
+ On-chip
+ Section 3.2.3 - Table 3-2 - Cortex-A15 MPCore on-chip peripheral
+ memory map
+
+ Interrupts:
+ Arm CoreTile Express A15x2 (V2P-CA15) - ARM DUI 0604E
+ Section 2.8.2 - Test chip interrupts
+
Memory map:
0x00000000-0x03ffffff: Boot memory (CS0)
0x04000000-0x07ffffff: Reserved
- 0x08000000-0x0bffffff: Reserved (CS0 alias)
- 0x0c000000-0x0fffffff: Reserved (Off-chip, CS4)
+ 0x08000000-0x0bffffff: NOR FLASH0 (CS0 alias)
+ 0x0c000000-0x0fffffff: NOR FLASH1 (Off-chip, CS4)
0x10000000-0x13ffffff: gem5-specific peripherals (Off-chip, CS5)
0x10000000-0x1000ffff: gem5 energy controller
0x10010000-0x1001ffff: gem5 pseudo-ops
+ 0x10020000-0x1002ffff: gem5 MHU
0x14000000-0x17ffffff: Reserved (Off-chip, PSRAM, CS1)
0x18000000-0x1bffffff: Reserved (Off-chip, Peripherals, CS2)
0x1c060000-0x1c06ffff: KMI0 (keyboard)
0x1c070000-0x1c07ffff: KMI1 (mouse)
0x1c090000-0x1c09ffff: UART0
- 0x1c0a0000-0x1c0affff: UART1 (reserved)
- 0x1c0b0000-0x1c0bffff: UART2 (reserved)
- 0x1c0c0000-0x1c0cffff: UART3 (reserved)
+ 0x1c0a0000-0x1c0affff: UART1
+ 0x1c0b0000-0x1c0bffff: UART2
+ 0x1c0c0000-0x1c0cffff: UART3
+ 0x1c0f0000-0x1c0fffff: Watchdog (SP805)
+ 0x1c130000-0x1c13ffff: VirtIO (gem5/FM extension)
+ 0x1c140000-0x1c14ffff: VirtIO (gem5/FM extension)
0x1c170000-0x1c17ffff: RTC
0x20000000-0x3fffffff: On-chip peripherals:
+ 0x2a430000-0x2a43ffff: System Counter (control)
+ 0x2a490000-0x2a49ffff: Trusted Watchdog (SP805)
+ 0x2a800000-0x2a800fff: System Counter (read)
+ 0x2a810000-0x2a810fff: System Timer (control)
+
+ 0x2a820000-0x2a820fff: System Timer (frame 0)
+ 0x2a830000-0x2a830fff: System Timer (frame 1)
+
0x2b000000-0x2b00ffff: HDLCD
+ 0x2b060000-0x2b060fff: System Watchdog (SP805)
+
+ 0x2b400000-0x2b41ffff: SMMUv3
+
0x2c001000-0x2c001fff: GIC (distributor)
- 0x2c002000-0x2c0020ff: GIC (CPU interface)
+ 0x2c002000-0x2c003fff: GIC (CPU interface)
0x2c004000-0x2c005fff: vGIC (HV)
0x2c006000-0x2c007fff: vGIC (VCPU)
0x2c1c0000-0x2c1cffff: GICv2m MSI frame 0
0x2d000000-0x2d00ffff: GPU (reserved)
+ 0x2e000000-0x2e007fff: Non-trusted SRAM
+
0x2f000000-0x2fffffff: PCI IO space
0x30000000-0x3fffffff: PCI config space
30 : generic_timer (phys, non-sec)
31 : Reserved (Legacy IRQ)
32- 95: Mother board peripherals (SPIs)
- 32 : Reserved (SP805)
+ 32 : Watchdog (SP805)
33 : Reserved (IOFPGA SW int)
34-35: Reserved (SP804)
36 : RTC
46 : Reserved (CLCD)
47 : Reserved (Ethernet)
48 : Reserved (USB)
+ 56 : Trusted Watchdog (SP805)
+ 57 : System timer0 (phys)
+ 58 : System timer1 (phys)
95-255: On-chip interrupt sources (we use these for
gem5-specific devices, SPIs)
+ 74 : VirtIO (gem5/FM extension)
+ 75 : VirtIO (gem5/FM extension)
95 : HDLCD
96- 98: GPU (reserved)
100-103: PCI
+ 130 : System Watchdog (SP805)
256-319: MSI frame 0 (gem5-specific, SPIs)
320-511: Unused
"""
# Everything above 2GiB is memory
- _mem_regions = [(Addr('2GB'), Addr('510GB'))]
+ _mem_regions = [ AddrRange('2GB', size='510GB') ]
_off_chip_ranges = [
# CS1-CS5
- AddrRange(0x0c000000, 0x1fffffff),
+ AddrRange(0x0c000000, 0x20000000),
# External AXI interface (PCI)
- AddrRange(0x2f000000, 0x7fffffff),
+ AddrRange(0x2f000000, 0x80000000),
]
+ bootmem = SimpleMemory(range=AddrRange(0, size='64MB'),
+ conf_table_reported=False)
+
+ # NOR flash, flash0
+ flash0 = SimpleMemory(range=AddrRange(0x08000000, size='64MB'),
+ conf_table_reported=False)
+
+ # Trusted SRAM
+ trusted_sram = SimpleMemory(range=AddrRange(0x04000000, size='256kB'),
+ conf_table_reported=False)
+
+ # Non-Trusted SRAM
+ non_trusted_sram = MmioSRAM(range=AddrRange(0x2e000000, size=0x8000),
+ conf_table_reported=False)
+
# Platform control device (off-chip)
realview_io = RealViewCtrl(proc_id0=0x14000000, proc_id1=0x14000000,
- idreg=0x02250000, pio_addr=0x1c010000)
+ idreg=0x30101100, pio_addr=0x1c010000)
mcc = VExpressMCC()
dcc = CoreTile2A15DCC()
### On-chip devices ###
- gic = kvm_gicv2_class(dist_addr=0x2c001000, cpu_addr=0x2c002000,
- it_lines=512)
- vgic = VGic(vcpu_addr=0x2c006000, hv_addr=0x2c004000, ppint=25)
- gicv2m = Gicv2m()
- gicv2m.frames = [
- Gicv2mFrame(spi_base=256, spi_len=64, addr=0x2c1c0000),
- ]
-
- generic_timer = GenericTimer(int_phys=29, int_virt=27)
- hdlcd = HDLcd(pxl_clk=dcc.osc_pxl,
- pio_addr=0x2b000000, int_num=95)
+ # Trusted Watchdog, SP805
+ trusted_watchdog = Sp805(pio_addr=0x2a490000, interrupt=ArmSPI(num=56))
+
+ sys_counter = SystemCounter()
+ generic_timer = GenericTimer(
+ int_phys_s=ArmPPI(num=29, int_type='IRQ_TYPE_LEVEL_LOW'),
+ int_phys_ns=ArmPPI(num=30, int_type='IRQ_TYPE_LEVEL_LOW'),
+ int_virt=ArmPPI(num=27, int_type='IRQ_TYPE_LEVEL_LOW'),
+ int_hyp=ArmPPI(num=26, int_type='IRQ_TYPE_LEVEL_LOW'))
+ generic_timer_mem = GenericTimerMem(cnt_control_base=0x2a430000,
+ cnt_read_base=0x2a800000,
+ cnt_ctl_base=0x2a810000,
+ frames=[
+ GenericTimerFrame(cnt_base=0x2a820000,
+ int_phys=ArmSPI(num=57), int_virt=ArmSPI(num=133)),
+ GenericTimerFrame(cnt_base=0x2a830000,
+ int_phys=ArmSPI(num=58), int_virt=ArmSPI(num=134))
+ ])
+
+ system_watchdog = Sp805(pio_addr=0x2b060000, interrupt=ArmSPI(num=130))
def _on_chip_devices(self):
return [
- self.gic, self.vgic, self.gicv2m,
- self.hdlcd,
- self.generic_timer,
+ self.generic_timer_mem,
+ self.trusted_watchdog,
+ self.system_watchdog
+ ] + self.generic_timer_mem.frames
+
+ def _on_chip_memory(self):
+ memories = [
+ self.bootmem,
+ self.trusted_sram,
+ self.non_trusted_sram,
+ self.flash0,
]
+ return memories
### Off-chip devices ###
- uart0 = Pl011(pio_addr=0x1c090000, int_num=37)
+ io_voltage = VoltageDomain(voltage="3.3V")
+ clock32KHz = SrcClockDomain(clock="32kHz")
+ clock24MHz = SrcClockDomain(clock="24MHz")
+
+ uart = [
+ Pl011(pio_addr=0x1c090000,
+ interrupt=ArmSPI(num=37)),
+ Pl011(pio_addr=0x1c0a0000,
+ interrupt=ArmSPI(num=38), device=Terminal()),
+ Pl011(pio_addr=0x1c0b0000,
+ interrupt=ArmSPI(num=39), device=Terminal()),
+ Pl011(pio_addr=0x1c0c0000,
+ interrupt=ArmSPI(num=40), device=Terminal())
+ ]
+
+ kmi0 = Pl050(pio_addr=0x1c060000, interrupt=ArmSPI(num=44),
+ ps2=PS2Keyboard())
+ kmi1 = Pl050(pio_addr=0x1c070000, interrupt=ArmSPI(num=45),
+ ps2=PS2TouchKit())
- kmi0 = Pl050(pio_addr=0x1c060000, int_num=44)
- kmi1 = Pl050(pio_addr=0x1c070000, int_num=45, is_mouse=True)
+ watchdog = Sp805(pio_addr=0x1c0f0000, interrupt=ArmSPI(num=32))
- rtc = PL031(pio_addr=0x1c170000, int_num=36)
+ rtc = PL031(pio_addr=0x1C170000, interrupt=ArmSPI(num=36))
### gem5-specific off-chip devices ###
pci_host = GenericArmPciHost(
conf_base=0x30000000, conf_size='256MB', conf_device_bits=12,
pci_pio_base=0x2f000000,
+ pci_mem_base=0x40000000,
int_policy="ARM_PCI_INT_DEV", int_base=100, int_count=4)
energy_ctrl = EnergyCtrl(pio_addr=0x10000000)
+ pwr_ctrl = FVPBasePwrCtrl(pio_addr=0x1c100000)
+
+ vio = [
+ MmioVirtIO(pio_addr=0x1c130000, pio_size=0x1000,
+ interrupt=ArmSPI(num=74)),
+ MmioVirtIO(pio_addr=0x1c140000, pio_size=0x1000,
+ interrupt=ArmSPI(num=75)),
+ ]
+
+ # NOR flash, flash1
+ flash1 = SimpleMemory(range=AddrRange(0x0c000000, 0x10000000),
+ conf_table_reported=False)
def _off_chip_devices(self):
return [
self.realview_io,
- self.uart0,
- self.kmi0, self.kmi1,
+ self.kmi0,
+ self.kmi1,
+ self.watchdog,
self.rtc,
self.pci_host,
self.energy_ctrl,
+ self.pwr_ctrl,
+ self.clock32KHz,
+ self.clock24MHz,
+ self.vio[0],
+ self.vio[1],
+ ] + self.uart
+
+ def _off_chip_memory(self):
+ return [
+ self.flash1,
]
+ def __init__(self, **kwargs):
+ super(VExpress_GEM5_Base, self).__init__(**kwargs)
+ self.clock32KHz.voltage_domain = self.io_voltage
+ self.clock24MHz.voltage_domain = self.io_voltage
+ self.system_watchdog.clk_domain = self.dcc.osc_sys
+ self.watchdog.clk_domain = self.clock32KHz
+
def attachPciDevice(self, device, *args, **kwargs):
device.host = self.pci_host
+ self._num_pci_dev += 1
+ device.pci_bus = 0
+ device.pci_dev = self._num_pci_dev
+ device.pci_func = 0
self._attach_device(device, *args, **kwargs)
- def setupBootLoader(self, mem_bus, cur_sys, loc):
- self.nvmem = SimpleMemory(range=AddrRange(0, size='64MB'),
- conf_table_reported=False)
- self.nvmem.port = mem_bus.master
- cur_sys.boot_loader = [ loc('boot_emm.arm64'), loc('boot_emm.arm') ]
- cur_sys.atags_addr = 0x8000000
- cur_sys.load_addr_mask = 0xfffffff
- cur_sys.load_offset = 0x80000000
+ def attachSmmu(self, devices, bus):
+ """
+ Instantiate a single SMMU and attach a group of client devices to it.
+ The devices' dma port is wired to the SMMU and the SMMU's dma port
+ is attached to the bus. In order to make it work, the list of clients
+ shouldn't contain any device part of the _off_chip_devices or
+ _on_chip_devices.
+ This method should be called only once.
+
+ Parameters:
+ devices (list): List of devices which will be using the SMMU
+ bus (Bus): The bus downstream of the SMMU. Its response port will
+ receive memory requests from the SMMU, and its request
+ port will forward accesses to the memory mapped devices
+ """
+ if hasattr(self, 'smmu'):
+ m5.fatal("A SMMU has already been instantiated\n")
+
+ self.smmu = SMMUv3(reg_map=AddrRange(0x2b400000, size=0x00020000))
+
+ self.smmu.request = bus.cpu_side_ports
+ self.smmu.control = bus.mem_side_ports
+
+ dma_ports = []
+ for dev in devices:
+ self._attach_device(dev, bus, dma_ports)
+ self.smmu.connect(dev)
+
+ def setupBootLoader(self, cur_sys, boot_loader):
+ super(VExpress_GEM5_Base, self).setupBootLoader(
+ cur_sys, boot_loader, 0x8000000, 0x80000000)
# Setup m5ops. It's technically not a part of the boot
# loader, but this is the only place we can configure the
# system.
cur_sys.m5ops_base = 0x10010000
+
+ def attachScmi(self, bus):
+ # Generate and attach the mailbox
+ self.mailbox = GenericMHU(pio_addr=0x10020000)
+ 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(0x2e000000, size=0x200),
+ doorbell=self.mailbox.highp_ap2scp),
+ platform_channel = ScmiPlatformChannel(
+ shmem=self.non_trusted_sram,
+ shmem_range=AddrRange(0x2e000000, 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))
+ if len(dt) > 1:
+ raise Exception("System returned too many DT nodes")
+ node = dt[0]
+
+ node.appendCompatible(["arm,vexpress"])
+ node.append(FdtPropertyStrings("model", ["V2P-CA15"]))
+ node.append(FdtPropertyWords("arm,hbi", [0x0]))
+ node.append(FdtPropertyWords("arm,vexpress,site", [0xf]))
+
+ system = self.system.unproxy(self)
+ if system._have_psci:
+ # PSCI functions exposed to the kernel
+ if not system.have_security:
+ raise AssertionError("PSCI requires EL3 (have_security)")
+
+ psci_node = FdtNode('psci')
+ psci_node.appendCompatible(['arm,psci-1.0', 'arm,psci-0.2',
+ 'arm,psci'])
+ method = 'smc'
+ psci_node.append(FdtPropertyStrings('method', method))
+ psci_node.append(FdtPropertyWords('cpu_suspend', 0xc4000001))
+ psci_node.append(FdtPropertyWords('cpu_off', 0x84000002))
+ psci_node.append(FdtPropertyWords('cpu_on', 0xc4000003))
+ psci_node.append(FdtPropertyWords('sys_poweroff', 0x84000008))
+ psci_node.append(FdtPropertyWords('sys_reset', 0x84000009))
+ node.append(psci_node)
+
+ yield node
+
+class VExpress_GEM5_V1_Base(VExpress_GEM5_Base):
+ gic = kvm_gicv2_class(dist_addr=0x2c001000, cpu_addr=0x2c002000,
+ it_lines=512)
+ vgic = VGic(vcpu_addr=0x2c006000, hv_addr=0x2c004000, maint_int=25)
+ gicv2m = Gicv2m()
+ gicv2m.frames = [
+ Gicv2mFrame(spi_base=256, spi_len=64, addr=0x2c1c0000),
+ ]
+
+ def setupBootLoader(self, cur_sys, loc, boot_loader=None):
+ if boot_loader is None:
+ boot_loader = [ loc('boot.arm64'), loc('boot.arm') ]
+ super(VExpress_GEM5_V1_Base, self).setupBootLoader(
+ cur_sys, boot_loader)
+
+ def _on_chip_devices(self):
+ return super(VExpress_GEM5_V1_Base,self)._on_chip_devices() + [
+ self.gic, self.vgic, self.gicv2m,
+ ]
+
+class VExpress_GEM5_V1(VExpress_GEM5_V1_Base):
+ hdlcd = HDLcd(pxl_clk=VExpress_GEM5_V1_Base.dcc.osc_pxl,
+ pio_addr=0x2b000000, interrupt=ArmSPI(num=95))
+
+ def _on_chip_devices(self):
+ return super(VExpress_GEM5_V1,self)._on_chip_devices() + [
+ self.hdlcd,
+ ]
+
+class VExpress_GEM5_V2_Base(VExpress_GEM5_Base):
+ gic = Gicv3(dist_addr=0x2c000000, redist_addr=0x2c010000,
+ maint_int=ArmPPI(num=25),
+ its=Gicv3Its(pio_addr=0x2e010000))
+
+ # Limiting to 128 since it will otherwise overlap with PCI space
+ gic.cpu_max = 128
+
+ def _on_chip_devices(self):
+ return super(VExpress_GEM5_V2_Base,self)._on_chip_devices() + [
+ self.gic, self.gic.its
+ ]
+
+ def setupBootLoader(self, cur_sys, loc, boot_loader=None):
+ if boot_loader is None:
+ boot_loader = [ loc('boot_v2.arm64') ]
+ super(VExpress_GEM5_V2_Base, self).setupBootLoader(
+ cur_sys, boot_loader)
+
+class VExpress_GEM5_V2(VExpress_GEM5_V2_Base):
+ hdlcd = HDLcd(pxl_clk=VExpress_GEM5_V2_Base.dcc.osc_pxl,
+ pio_addr=0x2b000000, interrupt=ArmSPI(num=95))
+
+ def _on_chip_devices(self):
+ return super(VExpress_GEM5_V2,self)._on_chip_devices() + [
+ self.hdlcd,
+ ]
+
+class VExpress_GEM5_Foundation(VExpress_GEM5_Base):
+ """
+ Based on Armv8-A FVP Foundation platform v11.8
+ Reference for memory and interrupt map:
+ Armv8-A Foundation Platform - User Guide - Version 11.8
+ Document ID: 100961_1180_00_en
+ """
+ _off_chip_ranges = [
+ # CS1-CS5
+ AddrRange(0x0c000000, 0x20000000),
+ # External AXI interface (PCI)
+ AddrRange(0x40000000, 0x80000000),
+ ]
+
+ gic = Gicv3(dist_addr=0x2f000000, redist_addr=0x2f100000,
+ maint_int=ArmPPI(num=25), gicv4=False,
+ its=NULL)
+
+ pci_host = GenericArmPciHost(
+ conf_base=0x40000000, conf_size='256MB', conf_device_bits=12,
+ pci_pio_base=0x50000000,
+ pci_mem_base=0x400000000,
+ int_policy="ARM_PCI_INT_DEV", int_base=100, int_count=4)
+
+ def _on_chip_devices(self):
+ return super(VExpress_GEM5_Foundation, self)._on_chip_devices() + [
+ self.gic
+ ]
+
+ def setupBootLoader(self, cur_sys, loc, boot_loader=None):
+ if boot_loader is None:
+ boot_loader = [ loc('boot_v2.arm64') ]
+ super(VExpress_GEM5_Foundation, self).setupBootLoader(
+ cur_sys, boot_loader)