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Diffstat (limited to 'src/dev/arm/rv_ctrl.hh')
| -rw-r--r-- | src/dev/arm/rv_ctrl.hh | 123 |
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 §ion); +}; + + +#endif // __DEV_ARM_RV_HH__ + |