2 * Copyright (c) 2010 ARM Limited
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
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14 * Copyright (c) 2005 The Regents of The University of Michigan
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43 #include "base/trace.hh"
44 #include "debug/AMBA.hh"
45 #include "dev/arm/amba_device.hh"
46 #include "dev/arm/amba_fake.hh"
47 #include "mem/packet.hh"
48 #include "mem/packet_access.hh"
50 const uint64_t AmbaVendor
= ULL(0xb105f00d00000000);
52 AmbaPioDevice::AmbaPioDevice(const Params
*p
, Addr pio_size
)
53 : BasicPioDevice(p
, pio_size
), ambaId(AmbaVendor
| p
->amba_id
)
57 AmbaIntDevice::AmbaIntDevice(const Params
*p
, Addr pio_size
)
58 : AmbaPioDevice(p
, pio_size
),
59 intNum(p
->int_num
), gic(p
->gic
), intDelay(p
->int_delay
)
65 AmbaDmaDevice::AmbaDmaDevice(const Params
*p
)
66 : DmaDevice(p
), ambaId(AmbaVendor
| p
->amba_id
),
67 pioAddr(p
->pio_addr
), pioSize(0),
68 pioDelay(p
->pio_latency
),intNum(p
->int_num
), gic(p
->gic
)
73 AmbaDevice::readId(PacketPtr pkt
, uint64_t amba_id
, Addr pio_addr
)
75 Addr daddr
= pkt
->getAddr() - pio_addr
;
76 if (daddr
< AMBA_PER_ID0
|| daddr
> AMBA_CEL_ID3
)
81 int byte
= (daddr
- AMBA_PER_ID0
) << 1;
82 // Too noisy right now
83 DPRINTF(AMBA
, "Returning %#x for offset %#x(%d)\n",
84 (amba_id
>> byte
) & 0xFF,
85 pkt
->getAddr() - pio_addr
, byte
);
86 assert(pkt
->getSize() == 4);
87 pkt
->set
<uint32_t>((amba_id
>> byte
) & 0xFF);