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32 * Malta PCI interface CSRs
35 #ifndef __MALTA_PCHIP_HH__
36 #define __MALTA_PCHIP_HH__
38 #include "dev/mips/malta.hh"
39 #include "base/range.hh"
40 #include "dev/io_device.hh"
41 #include "params/MaltaPChip.hh"
44 * A very simple implementation of the Malta PCI interface chips.
46 class MaltaPChip : public BasicPioDevice
50 static const Addr MaltaPciBus0Config = ULL(0x801fe000000);
52 /** Pchip control register */
55 /** Window Base addresses */
61 /** Translated Base Addresses */
65 typedef MaltaPChipParams Params;
70 return dynamic_cast<const Params *>(_params);
74 * Register the PChip with the mmu and init all wsba, wsm, and tba to 0
75 * @param p pointer to the parameters struct
77 MaltaPChip(const Params *p);
80 * Translate a PCI bus address to a memory address for DMA.
81 * @todo Andrew says this needs to be fixed. What's wrong with it?
82 * @param busAddr PCI address to translate.
83 * @return memory system address
85 Addr translatePciToDma(Addr busAddr);
87 Addr calcConfigAddr(int bus, int dev, int func);
89 virtual Tick read(PacketPtr pkt);
90 virtual Tick write(PacketPtr pkt);
93 * Serialize this object to the given output stream.
94 * @param os The stream to serialize to.
96 virtual void serialize(std::ostream &os);
99 * Reconstruct the state of this object from a checkpoint.
100 * @param cp The checkpoint use.
101 * @param section The section name of this object
103 virtual void unserialize(Checkpoint *cp, const std::string §ion);
106 #endif // __TSUNAMI_PCHIP_HH__