From 91b737ed48008ed295db22c857183f040a63234c Mon Sep 17 00:00:00 2001 From: Ali Saidi Date: Thu, 1 Mar 2012 17:26:31 -0600 Subject: ARM: Add support for Versatile Express extended memory map Also clean up how we create boot loader memory a bit. --- src/arch/arm/ArmSystem.py | 4 +- src/arch/arm/isa.cc | 3 +- src/arch/arm/linux/system.cc | 4 +- src/arch/arm/linux/system.hh | 3 -- src/dev/arm/RealView.py | 103 ++++++++++++++++++++++++++++++++++++++++++- src/dev/arm/rv_ctrl.cc | 2 + 6 files changed, 109 insertions(+), 10 deletions(-) (limited to 'src') diff --git a/src/arch/arm/ArmSystem.py b/src/arch/arm/ArmSystem.py index a603567d3..e744c026c 100644 --- a/src/arch/arm/ArmSystem.py +++ b/src/arch/arm/ArmSystem.py @@ -43,7 +43,8 @@ class ArmMachineType(Enum): map = {'RealView_EB' : 827, 'RealView_PBX' : 1901, 'VExpress_ELT' : 2272, - 'VExpress_CA9' : 2272} + 'VExpress_CA9' : 2272, + 'VExpress_EMM' : 2272} class ArmSystem(System): type = 'ArmSystem' @@ -65,5 +66,6 @@ class LinuxArmSystem(ArmSystem): load_addr_mask = 0x0fffffff machine_type = Param.ArmMachineType('RealView_PBX', "Machine id from http://www.arm.linux.org.uk/developer/machines/") + atags_addr = Param.Addr(0x100, "Address where default atags structure should be written") diff --git a/src/arch/arm/isa.cc b/src/arch/arm/isa.cc index b79b9346f..9d76ca60e 100644 --- a/src/arch/arm/isa.cc +++ b/src/arch/arm/isa.cc @@ -213,8 +213,7 @@ ISA::readMiscReg(int misc_reg, ThreadContext *tc) "config registers and jumping to ThumbEE vectors\n"); return 0x0031; // !ThumbEE | !Jazelle | Thumb | ARM case MISCREG_ID_PFR1: - warn("reading unimplmented register ID_PFR1"); - return 0; + return 0x00001; // !Timer | !Virti | !M Profile | !TrustZone | ARMv4 case MISCREG_CTR: return 0x86468006; // V7, 64 byte cache line, load/exclusive is exact case MISCREG_ACTLR: diff --git a/src/arch/arm/linux/system.cc b/src/arch/arm/linux/system.cc index a2d0c156c..4e18a265d 100644 --- a/src/arch/arm/linux/system.cc +++ b/src/arch/arm/linux/system.cc @@ -114,7 +114,7 @@ LinuxArmSystem::initState() DPRINTF(Loader, "Boot atags was %d bytes in total\n", size << 2); DDUMP(Loader, boot_data, size << 2); - physProxy.writeBlob(ParamsList, boot_data, size << 2); + physProxy.writeBlob(params()->atags_addr, boot_data, size << 2); #ifndef NDEBUG kernelPanicEvent = addKernelFuncEvent("panic"); @@ -154,7 +154,7 @@ LinuxArmSystem::initState() for (int i = 0; i < threadContexts.size(); i++) { threadContexts[i]->setIntReg(0, 0); threadContexts[i]->setIntReg(1, params()->machine_type); - threadContexts[i]->setIntReg(2, ParamsList); + threadContexts[i]->setIntReg(2, params()->atags_addr); } } diff --git a/src/arch/arm/linux/system.hh b/src/arch/arm/linux/system.hh index 54681096b..caf018cb9 100644 --- a/src/arch/arm/linux/system.hh +++ b/src/arch/arm/linux/system.hh @@ -52,9 +52,6 @@ class LinuxArmSystem : public ArmSystem { - protected: - static const int ParamsList = 0x100; - public: /** Boilerplate params code */ typedef LinuxArmSystemParams Params; diff --git a/src/dev/arm/RealView.py b/src/dev/arm/RealView.py index 48a7cf316..98cb1694e 100644 --- a/src/dev/arm/RealView.py +++ b/src/dev/arm/RealView.py @@ -1,4 +1,4 @@ -# Copyright (c) 2009-2011 ARM Limited +# Copyright (c) 2009-2012 ARM Limited # All rights reserved. # # The license below extends only to copyright in the software and shall @@ -49,6 +49,7 @@ from Ide import * from Platform import Platform from Terminal import Terminal from Uart import Uart +from PhysicalMemory import * class AmbaDevice(BasicPioDevice): type = 'AmbaDevice' @@ -119,6 +120,11 @@ class CpuLocalTimer(BasicPioDevice): int_num_watchdog = Param.UInt32("Interrupt number for per-cpu watchdog to GIC") clock = Param.Clock('1GHz', "Clock speed at which the timer counts") +class PL031(AmbaIntDevice): + type = 'PL031' + time = Param.Time('01/01/2009', "System time to use ('Now' for actual time)") + amba_id = 0x00341031 + class Pl050(AmbaIntDevice): type = 'Pl050' vnc = Param.VncServer(Parent.any, "Vnc server for remote frame buffer display") @@ -136,6 +142,15 @@ class RealView(Platform): type = 'RealView' system = Param.System(Parent.any, "system") pci_cfg_base = Param.Addr(0, "Base address of PCI Configuraiton Space") + mem_start_addr = Param.Addr(0, "Start address of main memory") + max_mem_size = Param.Addr('256MB', "Maximum amount of RAM supported by platform") + + def setupBootLoader(self, mem_bus, cur_sys, loc): + self.nvmem = PhysicalMemory(range = AddrRange(Addr('2GB'), size = '64MB'), zero = True) + self.nvmem.port = mem_bus.master + cur_sys.boot_loader = loc('boot.arm') + cur_sys.boot_loader_mem = self.nvmem + # Reference for memory map and interrupt number # RealView Platform Baseboard Explore for Cortex-A9 User Guide(ARM DUI 0440A) @@ -189,7 +204,9 @@ class RealViewPBX(RealView): # (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, Addr.max)] + AddrRange(self.flash_fake.pio_addr, + self.flash_fake.pio_addr + \ + self.flash_fake.pio_size - 1)] # Attach I/O devices to specified bus object. Can't do this # earlier, since the bus object itself is typically defined at the @@ -300,6 +317,7 @@ class RealViewEB(RealView): self.smcreg_fake.pio = bus.master class VExpress_ELT(RealView): + max_mem_size = '2GB' pci_cfg_base = 0xD0000000 elba_uart = Pl011(pio_addr=0xE0009000, int_num=42) uart = Pl011(pio_addr=0xFF009000, int_num=121) @@ -402,3 +420,84 @@ class VExpress_ELT(RealView): self.lan_fake.pio = bus.master self.usb_fake.pio = bus.master + +class VExpress_EMM(RealView): + mem_start_addr = '2GB' + max_mem_size = '2GB' + uart = Pl011(pio_addr=0x1c090000, int_num=37) + realview_io = RealViewCtrl(proc_id0=0x14000000, proc_id1=0x14000000, pio_addr=0x1C010000) + gic = Gic(dist_addr=0x2C001000, cpu_addr=0x2C002000) + local_cpu_timer = CpuLocalTimer(int_num_timer=29, int_num_watchdog=30, pio_addr=0x2C080000) + timer0 = Sp804(int_num0=34, int_num1=34, pio_addr=0x1C110000, clock0='50MHz', clock1='50MHz') + timer1 = Sp804(int_num0=35, int_num1=35, pio_addr=0x1C120000, clock0='50MHz', clock1='50MHz') + clcd = Pl111(pio_addr=0x1c1f0000, int_num=46) + kmi0 = Pl050(pio_addr=0x1c060000, int_num=44) + kmi1 = Pl050(pio_addr=0x1c070000, int_num=45) + 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) + vram = PhysicalMemory(range = AddrRange(0x18000000, size='32MB'), zero = True) + rtc = PL031(pio_addr=0x1C170000, int_num=36) + + l2x0_fake = IsaFake(pio_addr=0x2C100000, pio_size=0xfff) + uart1_fake = AmbaFake(pio_addr=0x1C0A0000) + uart2_fake = AmbaFake(pio_addr=0x1C0B0000) + uart3_fake = AmbaFake(pio_addr=0x1C0C0000) + sp810_fake = AmbaFake(pio_addr=0x1C020000, ignore_access=True) + watchdog_fake = AmbaFake(pio_addr=0x1C0F0000) + aaci_fake = AmbaFake(pio_addr=0x1C040000) + lan_fake = IsaFake(pio_addr=0x1A000000, pio_size=0xffff) + usb_fake = IsaFake(pio_addr=0x1B000000, pio_size=0x1ffff) + mmc_fake = AmbaFake(pio_addr=0x1c050000) + + def setupBootLoader(self, mem_bus, cur_sys, loc): + self.nvmem = PhysicalMemory(range = AddrRange(0, size = '64MB'), zero = True) + self.nvmem.port = mem_bus.master + cur_sys.boot_loader = loc('boot_emm.arm') + cur_sys.boot_loader_mem = self.nvmem + cur_sys.atags_addr = 0x80000100 + + # 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.local_cpu_timer.pio = bus.master + # Bridge ranges based on excluding what is part of on-chip I/O + # (gic, a9scu) + bridge.ranges = [AddrRange(0x2F000000, size='16MB'), + AddrRange(0x30000000, size='256MB'), + AddrRange(0x40000000, size='512MB'), + AddrRange(0x18000000, size='64MB'), + AddrRange(0x1C000000, size='64MB')] + + # 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.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.config = bus.master + self.rtc.pio = bus.master + bus.use_default_range = True + 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 + diff --git a/src/dev/arm/rv_ctrl.cc b/src/dev/arm/rv_ctrl.cc index 82710c730..eceba81f1 100644 --- a/src/dev/arm/rv_ctrl.cc +++ b/src/dev/arm/rv_ctrl.cc @@ -103,6 +103,8 @@ RealViewCtrl::read(PacketPtr pkt) case IdReg: pkt->set(params()->idreg); break; + case CfgStat: + pkt->set(1); default: warn("Tried to read RealView I/O at offset %#x that doesn't exist\n", daddr); -- cgit v1.2.3