115 lines
4.9 KiB
C
115 lines
4.9 KiB
C
/* $NetBSD: qecreg.h,v 1.4 2009/09/19 11:53:42 tsutsui Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Kranenburg.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1998 Theo de Raadt and Jason L. Wright.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* QEC registers layout
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*/
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#if 0
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struct qecregs {
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uint32_t qec_ctrl; /* control */
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uint32_t qec_stat; /* status */
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uint32_t qec_psize; /* packet size */
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uint32_t qec_msize; /* local-mem size (64K) */
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uint32_t qec_rsize; /* receive partition size */
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uint32_t qec_tsize; /* transmit partition size */
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};
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#endif
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#define QEC_QRI_CTRL (0*4)
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#define QEC_QRI_STAT (1*4)
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#define QEC_QRI_PSIZE (2*4)
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#define QEC_QRI_MSIZE (3*4)
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#define QEC_QRI_RSIZE (4*4)
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#define QEC_QRI_TSIZE (5*4)
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#define QEC_CTRL_MODEMASK 0xf0000000 /* QEC mode: */
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#define QEC_CTRL_MMODE 0x40000000 /* MACE qec mode */
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#define QEC_CTRL_BMODE 0x10000000 /* BE qec mode */
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#define QEC_CTRL_EPAR 0x00000020 /* enable parity */
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#define QEC_CTRL_ACNTRL 0x00000018 /* sbus arbitration control */
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#define QEC_CTRL_B64 0x00000004 /* 64 byte dvma bursts */
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#define QEC_CTRL_B32 0x00000002 /* 32 byte dvma bursts */
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#define QEC_CTRL_B16 0x00000000 /* 16 byte dvma bursts */
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#define QEC_CTRL_RESET 0x00000001 /* reset the qec */
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#define QEC_STAT_TX 0x00000008 /* bigmac transmit irq */
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#define QEC_STAT_RX 0x00000004 /* bigmac receive irq */
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#define QEC_STAT_BM 0x00000002 /* bigmac qec irq */
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#define QEC_STAT_ER 0x00000001 /* bigmac error irq */
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#define QEC_PSIZE_2048 0x00 /* 2k packet size */
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#define QEC_PSIZE_4096 0x01 /* 4k packet size */
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#define QEC_PSIZE_6144 0x10 /* 6k packet size */
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#define QEC_PSIZE_8192 0x11 /* 8k packet size */
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/*
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* Transmit & receive buffer descriptor.
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*/
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struct qec_xd {
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volatile uint32_t xd_flags; /* see below */
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volatile uint32_t xd_addr; /* Buffer address (DMA) */
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};
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#define QEC_XD_OWN 0x80000000 /* ownership: 1=hw, 0=sw */
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#define QEC_XD_SOP 0x40000000 /* start of packet marker (xmit) */
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#define QEC_XD_EOP 0x20000000 /* end of packet marker (xmit) */
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#define QEC_XD_UPDATE 0x10000000 /* being updated? */
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#define QEC_XD_LENGTH 0x00001fff /* packet length mask */
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/* Descriptor ring size is fixed */
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#define QEC_XD_RING_MAXSIZE 256 /* maximum ring size */
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