| /* |
| * 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/bitunion.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, |
| ProcId0 = 0x84, |
| ProcId1 = 0x88, |
| CfgCtrl = 0xA0, |
| CfgData = 0xA4, |
| CfgStat = 0xA8, |
| TestOsc0 = 0xC0, |
| TestOsc1 = 0xC4, |
| TestOsc2 = 0xC8, |
| TestOsc3 = 0xCC, |
| TestOsc4 = 0xD0 |
| }; |
| |
| // system lock value |
| BitUnion32(SysLockReg) |
| Bitfield<15,0> lockVal; |
| Bitfield<16> locked; |
| EndBitUnion(SysLockReg) |
| |
| SysLockReg sysLock; |
| |
| /** This register is used for smp booting. |
| * The primary cpu writes the secondary start address here before |
| * sends it a soft interrupt. The secondary cpu reads this register and if |
| * it's non-zero it jumps to the address |
| */ |
| uint32_t flags; |
| |
| 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 §ion); |
| }; |
| |
| |
| #endif // __DEV_ARM_RV_HH__ |