ARM: Add support for Versatile Express boards

5 files changed, 97 insertions, 8 deletions

diff --git a/src/arch/arm/ArmSystem.py b/src/arch/arm/ArmSystem.py
index 9bd11041a..495211248 100644
--- a/src/arch/arm/ArmSystem.py
+++ b/src/arch/arm/ArmSystem.py
@@ -41,7 +41,8 @@ from System import System
 
 class ArmMachineType(Enum):
     map = {'RealView_EB' : 827,
-           'RealView_PBX' : 1901 }
+           'RealView_PBX' : 1901,
+           'VersatileExpress' : 2272}
 
 class ArmSystem(System):
     type = 'ArmSystem'
diff --git a/src/dev/arm/RealView.py b/src/dev/arm/RealView.py
index 70337e7d9..a56d53f00 100644
--- a/src/dev/arm/RealView.py
+++ b/src/dev/arm/RealView.py
@@ -75,7 +75,8 @@ class A9SCU(BasicPioDevice):
 
 class RealViewCtrl(BasicPioDevice):
     type = 'RealViewCtrl'
-    proc_id = Param.UInt32(0x0C000000, "Processor ID, SYS_PROCID")
+    proc_id0 = Param.UInt32(0x0C000000, "Processor ID, SYS_PROCID")
+    proc_id1 = Param.UInt32(0x0C000222, "Processor ID, SYS_PROCID1")
     idreg = Param.UInt32(0x00000000, "ID Register, SYS_ID")
 
 class Gic(PioDevice):
@@ -278,3 +279,81 @@ class RealViewEB(RealView):
        self.flash_fake.pio    = bus.port
        self.smcreg_fake.pio   = bus.port
 
+class VExpress(RealView):
+    elba_uart = Pl011(pio_addr=0xE0009000, int_num=42)
+    uart = Pl011(pio_addr=0xFF009000, int_num=121)
+    realview_io = RealViewCtrl(proc_id0=0x0C000222, pio_addr=0xFF000000)
+    gic = Gic(dist_addr=0xE0201000, cpu_addr=0xE0200100)
+    local_cpu_timer = CpuLocalTimer(int_num_timer=29, int_num_watchdog=30, pio_addr=0xE0200600)
+    v2m_timer0 = Sp804(int_num0=120, int_num1=120, pio_addr=0xFF011000)
+    v2m_timer1 = Sp804(int_num0=121, int_num1=121, pio_addr=0xFF012000)
+    elba_timer0 = Sp804(int_num0=36, int_num1=36, pio_addr=0xE0011000, clock0='50MHz', clock1='50MHz')
+    elba_timer1 = Sp804(int_num0=37, int_num1=37, pio_addr=0xE0012000, clock0='50MHz', clock1='50MHz')
+    clcd   = Pl111(pio_addr=0xE0022000, int_num=46)   # CLCD interrupt no. unknown
+    kmi0   = Pl050(pio_addr=0xFF006000, int_num=124)
+    kmi1   = Pl050(pio_addr=0xFF007000, int_num=125)
+    elba_kmi0   = Pl050(pio_addr=0xE0006000, int_num=52)
+    elba_kmi1   = Pl050(pio_addr=0xE0007000, int_num=53)
+    a9scu  = A9SCU(pio_addr=0xE0200000)
+    cf_ctrl = IdeController(disks=[], pci_func=0, pci_dev=0, pci_bus=0,
+                            io_shift = 2, ctrl_offset = 2, Command = 0x1,
+                            BAR0 = 0xFF01A000, BAR0Size = '256B',
+                            BAR1 = 0xFF01A100, BAR1Size = '4096B',
+                            BAR0LegacyIO = True, BAR1LegacyIO = True)
+
+    l2x0_fake      = IsaFake(pio_addr=0xE0202000, pio_size=0xfff)
+    dmac_fake      = AmbaFake(pio_addr=0xE0020000)
+    uart1_fake     = AmbaFake(pio_addr=0xE000A000)
+    uart2_fake     = AmbaFake(pio_addr=0xE000B000)
+    uart3_fake     = AmbaFake(pio_addr=0xE000C000)
+    smc_fake       = AmbaFake(pio_addr=0xEC000000)
+    sp810_fake     = AmbaFake(pio_addr=0xFF001000, ignore_access=True)
+    watchdog_fake  = AmbaFake(pio_addr=0xE0010000)
+    aaci_fake      = AmbaFake(pio_addr=0xFF004000)
+    elba_aaci_fake = AmbaFake(pio_addr=0xE0004000)
+    mmc_fake       = AmbaFake(pio_addr=0xE0005000) # not sure if we need this
+    rtc_fake       = AmbaFake(pio_addr=0xE0017000, amba_id=0x41031)
+    spsc_fake      = IsaFake(pio_addr=0xE001B000, pio_size=0x2000)
+    lan_fake       = IsaFake(pio_addr=0xFA000000, pio_size=0xffff)
+    usb_fake       = IsaFake(pio_addr=0xFB000000, pio_size=0x1ffff)
+
+
+    # Attach I/O devices that are on chip
+    def attachOnChipIO(self, bus):
+       self.gic.pio = bus.port
+       self.a9scu.pio = bus.port
+
+    # 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.elba_uart.pio       = bus.port
+       self.uart.pio            = bus.port
+       self.realview_io.pio     = bus.port
+       self.local_cpu_timer.pio = bus.port
+       self.v2m_timer0.pio      = bus.port
+       self.v2m_timer1.pio      = bus.port
+       self.elba_timer0.pio     = bus.port
+       self.elba_timer1.pio     = bus.port
+       self.clcd.pio            = bus.port
+       self.kmi0.pio            = bus.port
+       self.kmi1.pio            = bus.port
+       self.elba_kmi0.pio       = bus.port
+       self.elba_kmi1.pio       = bus.port
+       self.cf_ctrl.pio         = bus.port
+       self.l2x0_fake.pio       = bus.port
+       self.dmac_fake.pio       = bus.port
+       self.uart1_fake.pio      = bus.port
+       self.uart2_fake.pio      = bus.port
+       self.uart3_fake.pio      = bus.port
+       self.smc_fake.pio        = bus.port
+       self.sp810_fake.pio      = bus.port
+       self.watchdog_fake.pio   = bus.port
+       self.aaci_fake.pio       = bus.port
+       self.elba_aaci_fake.pio  = bus.port
+       self.mmc_fake.pio        = bus.port
+       self.rtc_fake.pio        = bus.port
+       self.spsc_fake.pio       = bus.port
+       self.lan_fake.pio        = bus.port
+       self.usb_fake.pio        = bus.port
+
diff --git a/src/dev/arm/rv_ctrl.cc b/src/dev/arm/rv_ctrl.cc
index 9c546036a..82710c730 100644
--- a/src/dev/arm/rv_ctrl.cc
+++ b/src/dev/arm/rv_ctrl.cc
@@ -57,8 +57,11 @@ RealViewCtrl::read(PacketPtr pkt)
     pkt->allocate();
 
     switch(daddr) {
-      case ProcId:
-        pkt->set(params()->proc_id);
+      case ProcId0:
+        pkt->set(params()->proc_id0);
+        break;
+      case ProcId1:
+        pkt->set(params()->proc_id1);
         break;
       case Clock24:
         Tick clk;
@@ -131,6 +134,9 @@ RealViewCtrl::write(PacketPtr pkt)
       case Flags:
         flags = pkt->get<uint32_t>();
         break;
+      case FlagsClr:
+        flags = 0;
+        break;
       default:
         warn("Tried to write RVIO at offset %#x that doesn't exist\n",
              daddr);
diff --git a/src/dev/arm/rv_ctrl.hh b/src/dev/arm/rv_ctrl.hh
index 255b21c0f..cf14f6bcd 100644
--- a/src/dev/arm/rv_ctrl.hh
+++ b/src/dev/arm/rv_ctrl.hh
@@ -79,7 +79,11 @@ class RealViewCtrl : public BasicPioDevice
         Clock24    = 0x5C,
         Misc       = 0x60,
         IoSel      = 0x70,
-        ProcId     = 0x84,
+        ProcId0    = 0x84,
+        ProcId1    = 0x88,
+        CfgCtrl    = 0xA0,
+        CfgData    = 0xA4,
+        CfgStat    = 0xA8,
         TestOsc0   = 0xC0,
         TestOsc1   = 0xC4,
         TestOsc2   = 0xC8,
diff --git a/src/dev/arm/timer_sp804.cc b/src/dev/arm/timer_sp804.cc
index 5ecfebc71..323597a98 100644
--- a/src/dev/arm/timer_sp804.cc
+++ b/src/dev/arm/timer_sp804.cc
@@ -85,8 +85,6 @@ Sp804::read(PacketPtr pkt)
 void
 Sp804::Timer::read(PacketPtr pkt, Addr daddr)
 {
-    DPRINTF(Timer, "Reading from Timer at offset: %#x\n", daddr);
-
     switch(daddr) {
       case LoadReg:
         pkt->set<uint32_t>(loadValue);
@@ -116,6 +114,7 @@ Sp804::Timer::read(PacketPtr pkt, Addr daddr)
         panic("Tried to read SP804 timer at offset %#x\n", daddr);
         break;
     }
+    DPRINTF(Timer, "Reading %#x from Timer at offset: %#x\n", pkt->get<uint32_t>(), daddr);
 }
 
 Tick
@@ -140,7 +139,7 @@ Sp804::write(PacketPtr pkt)
 void
 Sp804::Timer::write(PacketPtr pkt, Addr daddr)
 {
-    DPRINTF(Timer, "Writing to Timer at offset: %#x\n", daddr);
+    DPRINTF(Timer, "Writing %#x to Timer at offset: %#x\n", pkt->get<uint32_t>(), daddr);
     switch (daddr) {
       case LoadReg:
         loadValue = pkt->get<uint32_t>();