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/*
* Copyright (c) 2004-2005 The Regents of The University of Michigan
* All rights reserved.
*
* 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.
*/
#ifndef __DEV_SINICREG_HH__
#define __DEV_SINICREG_HH__
#define __SINIC_REG32(NAME, VAL) static const uint32_t NAME = (VAL)
#define __SINIC_REG64(NAME, VAL) static const uint64_t NAME = (VAL)
#define __SINIC_VAL32(NAME, OFFSET, WIDTH) \
static const uint32_t NAME##_width = WIDTH; \
static const uint32_t NAME##_offset = OFFSET; \
static const uint32_t NAME##_mask = (1 << WIDTH) - 1; \
static const uint32_t NAME = ((1 << WIDTH) - 1) << OFFSET; \
static inline uint32_t get_##NAME(uint32_t reg) \
{ return (reg & NAME) >> OFFSET; } \
static inline uint32_t set_##NAME(uint32_t reg, uint32_t val) \
{ return (reg & ~NAME) | ((val << OFFSET) & NAME); }
#define __SINIC_VAL64(NAME, OFFSET, WIDTH) \
static const uint64_t NAME##_width = WIDTH; \
static const uint64_t NAME##_offset = OFFSET; \
static const uint64_t NAME##_mask = (ULL(1) << WIDTH) - 1; \
static const uint64_t NAME = ((ULL(1) << WIDTH) - 1) << OFFSET; \
static inline uint64_t get_##NAME(uint64_t reg) \
{ return (reg & NAME) >> OFFSET; } \
static inline uint64_t set_##NAME(uint64_t reg, uint64_t val) \
{ return (reg & ~NAME) | ((val << OFFSET) & NAME); }
namespace Sinic {
namespace Regs {
// Registers
__SINIC_REG32(Config, 0x00); // 32: configuration register
__SINIC_REG32(RxMaxCopy, 0x04); // 32: max rx copy
__SINIC_REG32(TxMaxCopy, 0x08); // 32: max tx copy
__SINIC_REG32(RxThreshold, 0x0c); // 32: receive fifo threshold
__SINIC_REG32(TxThreshold, 0x10); // 32: transmit fifo threshold
__SINIC_REG32(IntrStatus, 0x14); // 32: interrupt status
__SINIC_REG32(IntrMask, 0x18); // 32: interrupt mask
__SINIC_REG32(RxData, 0x20); // 64: receive data
__SINIC_REG32(RxDone, 0x28); // 64: receive done
__SINIC_REG32(RxWait, 0x30); // 64: receive done (busy wait)
__SINIC_REG32(TxData, 0x38); // 64: transmit data
__SINIC_REG32(TxDone, 0x40); // 64: transmit done
__SINIC_REG32(TxWait, 0x48); // 64: transmit done (busy wait)
__SINIC_REG32(HwAddr, 0x50); // 64: mac address
__SINIC_REG32(Size, 0x58);
// Config register bits
__SINIC_VAL32(Config_Reset, 31, 1); // reset chip
__SINIC_VAL32(Config_Filter, 7, 1); // enable receive filter
__SINIC_VAL32(Config_Vlan, 6, 1); // enable vlan tagging
__SINIC_VAL32(Config_Virtual, 5, 1); // enable virtual addressing
__SINIC_VAL32(Config_Desc, 4, 1); // enable tx/rx descriptors
__SINIC_VAL32(Config_Poll, 3, 1); // enable polling
__SINIC_VAL32(Config_IntEn, 2, 1); // enable interrupts
__SINIC_VAL32(Config_TxEn, 1, 1); // enable transmit
__SINIC_VAL32(Config_RxEn, 0, 1); // enable receive
// Interrupt register bits
__SINIC_VAL32(Intr_TxFifo, 5, 1); // Fifo oflow/uflow/threshold
__SINIC_VAL32(Intr_TxData, 4, 1); // DMA Completed w/ interrupt
__SINIC_VAL32(Intr_TxDone, 3, 1); // Packet transmitted
__SINIC_VAL32(Intr_RxFifo, 2, 1); // Fifo oflow/uflow/threshold
__SINIC_VAL32(Intr_RxData, 1, 1); // DMA Completed w/ interrupt
__SINIC_VAL32(Intr_RxDone, 0, 1); // Packet received
__SINIC_REG32(Intr_All, 0x3f);
__SINIC_REG32(Intr_NoDelay, 0x24);
__SINIC_REG32(Intr_Res, ~0x3f);
// RX Data Description
__SINIC_VAL64(RxData_Len, 40, 20); // 0 - 1M
__SINIC_VAL64(RxData_Addr, 0, 40); // Address 1TB
// TX Data Description
__SINIC_VAL64(TxData_More, 63, 1);
__SINIC_VAL64(TxData_Checksum, 62, 1);
__SINIC_VAL64(TxData_Len, 40, 20); // 0 - 1M
__SINIC_VAL64(TxData_Addr, 0, 40); // Address 1TB
// RX Done/Busy Information
__SINIC_VAL64(RxDone_Complete, 63, 1);
__SINIC_VAL64(RxDone_IpPacket, 45, 1);
__SINIC_VAL64(RxDone_TcpPacket, 44, 1);
__SINIC_VAL64(RxDone_UdpPacket, 43, 1);
__SINIC_VAL64(RxDone_IpError, 42, 1);
__SINIC_VAL64(RxDone_TcpError, 41, 1);
__SINIC_VAL64(RxDone_UdpError, 40, 1);
__SINIC_VAL64(RxDone_More, 32, 1);
__SINIC_VAL64(RxDone_FifoLen, 20, 8); // up to 255 packets
__SINIC_VAL64(RxDone_CopyLen, 0, 20); // up to 256k
// TX Done/Busy Information
__SINIC_VAL64(TxDone_Complete, 63, 1);
__SINIC_VAL64(TxDone_FifoLen, 20, 8); // up to 255 packets
__SINIC_VAL64(TxDone_CopyLen, 0, 20); // up to 256k
inline int
regSize(int offset)
{
static const char sizes[] = {
4,
4,
4,
4,
4,
4,
4,
0,
8, 0,
8, 0,
8, 0,
8, 0,
8, 0,
8, 0,
8, 0
};
if (offset & 0x3)
return 0;
if (offset >= Size)
return 0;
return sizes[offset / 4];
}
inline const char *
regName(int offset)
{
static const char *names[] = {
"Config",
"RxMaxCopy",
"TxMaxCopy",
"RxThreshold",
"TxThreshold",
"IntrStatus",
"IntrMask",
"invalid",
"RxData", "invalid",
"RxDone", "invalid",
"RxWait", "invalid",
"TxData", "invalid",
"TxDone", "invalid",
"TxWait", "invalid",
"HwAddr", "invalid"
};
if (offset & 0x3)
return "invalid";
if (offset >= Size)
return "invalid";
return names[offset / 4];
}
/* namespace Regs */ }
/* namespace Sinic */ }
#endif // __DEV_SINICREG_HH__
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