Annotation of sys/dev/sbus/qecreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: qecreg.h,v 1.1 2001/08/20 22:09:27 jason Exp $ */
! 2: /* $NetBSD: qecreg.h,v 1.2 1999/01/16 12:46:08 pk Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Paul Kranenburg.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: /*
! 41: * Copyright (c) 1998 Theo de Raadt and Jason L. Wright.
! 42: * All rights reserved.
! 43: *
! 44: * Redistribution and use in source and binary forms, with or without
! 45: * modification, are permitted provided that the following conditions
! 46: * are met:
! 47: * 1. Redistributions of source code must retain the above copyright
! 48: * notice, this list of conditions and the following disclaimer.
! 49: * 2. Redistributions in binary form must reproduce the above copyright
! 50: * notice, this list of conditions and the following disclaimer in the
! 51: * documentation and/or other materials provided with the distribution.
! 52: * 3. The name of the authors may not be used to endorse or promote products
! 53: * derived from this software without specific prior written permission.
! 54: *
! 55: * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
! 56: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 57: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 58: * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
! 59: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 60: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 61: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 62: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 63: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 64: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 65: */
! 66:
! 67: /*
! 68: * QEC registers layout
! 69: *-
! 70: struct qecregs {
! 71: u_int32_t qec_ctrl; // control
! 72: u_int32_t qec_stat; // status
! 73: u_int32_t qec_psize; // packet size
! 74: u_int32_t qec_msize; // local-mem size (64K)
! 75: u_int32_t qec_rsize; // receive partition size
! 76: u_int32_t qec_tsize; // transmit partition size
! 77: };
! 78: */
! 79: #define QEC_QRI_CTRL (0*4)
! 80: #define QEC_QRI_STAT (1*4)
! 81: #define QEC_QRI_PSIZE (2*4)
! 82: #define QEC_QRI_MSIZE (3*4)
! 83: #define QEC_QRI_RSIZE (4*4)
! 84: #define QEC_QRI_TSIZE (5*4)
! 85:
! 86: #define QEC_CTRL_MODEMASK 0xf0000000 /* QEC mode: */
! 87: #define QEC_CTRL_MMODE 0x40000000 /* MACE qec mode */
! 88: #define QEC_CTRL_BMODE 0x10000000 /* BE qec mode */
! 89: #define QEC_CTRL_EPAR 0x00000020 /* enable parity */
! 90: #define QEC_CTRL_ACNTRL 0x00000018 /* sbus arbitration control */
! 91: #define QEC_CTRL_B64 0x00000004 /* 64 byte dvma bursts */
! 92: #define QEC_CTRL_B32 0x00000002 /* 32 byte dvma bursts */
! 93: #define QEC_CTRL_B16 0x00000000 /* 16 byte dvma bursts */
! 94: #define QEC_CTRL_RESET 0x00000001 /* reset the qec */
! 95:
! 96: #define QEC_STAT_TX 0x00000008 /* bigmac transmit irq */
! 97: #define QEC_STAT_RX 0x00000004 /* bigmac receive irq */
! 98: #define QEC_STAT_BM 0x00000002 /* bigmac qec irq */
! 99: #define QEC_STAT_ER 0x00000001 /* bigmac error irq */
! 100:
! 101: #define QEC_PSIZE_2048 0x00 /* 2k packet size */
! 102: #define QEC_PSIZE_4096 0x01 /* 4k packet size */
! 103: #define QEC_PSIZE_6144 0x10 /* 6k packet size */
! 104: #define QEC_PSIZE_8192 0x11 /* 8k packet size */
! 105:
! 106:
! 107:
! 108: /*
! 109: * Transmit & receive buffer descriptor.
! 110: */
! 111: struct qec_xd {
! 112: volatile u_int32_t xd_flags; /* see below */
! 113: volatile u_int32_t xd_addr; /* Buffer address (DMA) */
! 114: };
! 115: #define QEC_XD_OWN 0x80000000 /* ownership: 1=hw, 0=sw */
! 116: #define QEC_XD_SOP 0x40000000 /* start of packet marker (xmit) */
! 117: #define QEC_XD_EOP 0x20000000 /* end of packet marker (xmit) */
! 118: #define QEC_XD_UPDATE 0x10000000 /* being updated? */
! 119: #define QEC_XD_LENGTH 0x00001fff /* packet length mask */
! 120: /* Descriptor ring size is fixed */
! 121: #define QEC_XD_RING_MAXSIZE 256 /* maximum ring size */
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