ARM: Add I/O devices for booting linux

--HG--
rename : src/dev/arm/Versatile.py => src/dev/arm/RealView.py
rename : src/dev/arm/versatile.cc => src/dev/arm/realview.cc
rename : src/dev/arm/versatile.hh => src/dev/arm/realview.hh

1 files changed, 123 insertions, 0 deletions

diff --git a/src/dev/arm/rv_ctrl.hh b/src/dev/arm/rv_ctrl.hh
new file mode 100644
index 000000000..00a19d715
--- /dev/null
+++ b/src/dev/arm/rv_ctrl.hh
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2010 ARM Limited
+ * All rights reserved
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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
+ */
+
+#ifndef __DEV_ARM_RV_HH__
+#define __DEV_ARM_RV_HH__
+
+#include "base/range.hh"
+#include "dev/io_device.hh"
+#include "params/RealViewCtrl.hh"
+
+/** @file
+ * This implements the simple real view registers on a PBXA9
+ */
+
+class RealViewCtrl : public BasicPioDevice
+{
+  protected:
+    enum {
+        IdReg      = 0x00,
+        SwReg      = 0x04,
+        Led        = 0x08,
+        Osc0       = 0x0C,
+        Osc1       = 0x10,
+        Osc2       = 0x14,
+        Osc3       = 0x18,
+        Osc4       = 0x1C,
+        Lock       = 0x20,
+        Clock100   = 0x24,
+        CfgData1   = 0x28,
+        CfgData2   = 0x2C,
+        Flags      = 0x30,
+        FlagsClr   = 0x34,
+        NvFlags    = 0x38,
+        NvFlagsClr = 0x3C,
+        ResetCtl   = 0x40,
+        PciCtl     = 0x44,
+        MciCtl     = 0x48,
+        Flash      = 0x4C,
+        Clcd       = 0x50,
+        ClcdSer    = 0x54,
+        Bootcs     = 0x58,
+        Clock24    = 0x5C,
+        Misc       = 0x60,
+        IoSel      = 0x70,
+        ProcId     = 0x84,
+        TestOsc0   = 0xC0,
+        TestOsc1   = 0xC4,
+        TestOsc2   = 0xC8,
+        TestOsc3   = 0xCC,
+        TestOsc4   = 0xD0
+    };
+
+  public:
+    typedef RealViewCtrlParams Params;
+    const Params *
+    params() const
+    {
+        return dynamic_cast<const Params *>(_params);
+    }
+    /**
+      * The constructor for RealView just registers itself with the MMU.
+      * @param p params structure
+      */
+    RealViewCtrl(Params *p);
+
+    /**
+     * Handle a read to the device
+     * @param pkt The memory request.
+     * @param data Where to put the data.
+     */
+    virtual Tick read(PacketPtr pkt);
+
+    /**
+     * All writes are simply ignored.
+     * @param pkt The memory request.
+     * @param data the data
+     */
+    virtual Tick write(PacketPtr pkt);
+
+
+    virtual void serialize(std::ostream &os);
+    virtual void unserialize(Checkpoint *cp, const std::string &section);
+};
+
+
+#endif // __DEV_ARM_RV_HH__
+