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/* $OpenBSD: qecreg.h,v 1.2 2008/06/26 05:42:18 ray Exp $ */
/* $NetBSD: qecreg.h,v 1.2 1999/01/16 12:46:08 pk Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Copyright (c) 1998 Theo de Raadt and Jason L. Wright.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
*/
/*
* QEC registers layout
*-
struct qecregs {
u_int32_t qec_ctrl; // control
u_int32_t qec_stat; // status
u_int32_t qec_psize; // packet size
u_int32_t qec_msize; // local-mem size (64K)
u_int32_t qec_rsize; // receive partition size
u_int32_t qec_tsize; // transmit partition size
};
*/
#define QEC_QRI_CTRL (0*4)
#define QEC_QRI_STAT (1*4)
#define QEC_QRI_PSIZE (2*4)
#define QEC_QRI_MSIZE (3*4)
#define QEC_QRI_RSIZE (4*4)
#define QEC_QRI_TSIZE (5*4)
#define QEC_CTRL_MODEMASK 0xf0000000 /* QEC mode: */
#define QEC_CTRL_MMODE 0x40000000 /* MACE qec mode */
#define QEC_CTRL_BMODE 0x10000000 /* BE qec mode */
#define QEC_CTRL_EPAR 0x00000020 /* enable parity */
#define QEC_CTRL_ACNTRL 0x00000018 /* sbus arbitration control */
#define QEC_CTRL_B64 0x00000004 /* 64 byte dvma bursts */
#define QEC_CTRL_B32 0x00000002 /* 32 byte dvma bursts */
#define QEC_CTRL_B16 0x00000000 /* 16 byte dvma bursts */
#define QEC_CTRL_RESET 0x00000001 /* reset the qec */
#define QEC_STAT_TX 0x00000008 /* bigmac transmit irq */
#define QEC_STAT_RX 0x00000004 /* bigmac receive irq */
#define QEC_STAT_BM 0x00000002 /* bigmac qec irq */
#define QEC_STAT_ER 0x00000001 /* bigmac error irq */
#define QEC_PSIZE_2048 0x00 /* 2k packet size */
#define QEC_PSIZE_4096 0x01 /* 4k packet size */
#define QEC_PSIZE_6144 0x10 /* 6k packet size */
#define QEC_PSIZE_8192 0x11 /* 8k packet size */
/*
* Transmit & receive buffer descriptor.
*/
struct qec_xd {
volatile u_int32_t xd_flags; /* see below */
volatile u_int32_t xd_addr; /* Buffer address (DMA) */
};
#define QEC_XD_OWN 0x80000000 /* ownership: 1=hw, 0=sw */
#define QEC_XD_SOP 0x40000000 /* start of packet marker (xmit) */
#define QEC_XD_EOP 0x20000000 /* end of packet marker (xmit) */
#define QEC_XD_UPDATE 0x10000000 /* being updated? */
#define QEC_XD_LENGTH 0x00001fff /* packet length mask */
/* Descriptor ring size is fixed */
#define QEC_XD_RING_MAXSIZE 256 /* maximum ring size */
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