qecreg.h revision 1.2.142.1
1 1.2.142.1 yamt /* $NetBSD: qecreg.h,v 1.2.142.1 2008/05/18 12:34:42 yamt Exp $ */ 2 1.2 pk 3 1.2 pk /*- 4 1.2 pk * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.2 pk * All rights reserved. 6 1.2 pk * 7 1.2 pk * This code is derived from software contributed to The NetBSD Foundation 8 1.2 pk * by Paul Kranenburg. 9 1.2 pk * 10 1.2 pk * Redistribution and use in source and binary forms, with or without 11 1.2 pk * modification, are permitted provided that the following conditions 12 1.2 pk * are met: 13 1.2 pk * 1. Redistributions of source code must retain the above copyright 14 1.2 pk * notice, this list of conditions and the following disclaimer. 15 1.2 pk * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 pk * notice, this list of conditions and the following disclaimer in the 17 1.2 pk * documentation and/or other materials provided with the distribution. 18 1.2 pk * 19 1.2 pk * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 pk * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 pk * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 pk * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 pk * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 pk * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 pk * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 pk * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 pk * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 pk * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 pk * POSSIBILITY OF SUCH DAMAGE. 30 1.2 pk */ 31 1.1 pk 32 1.1 pk /* 33 1.2 pk * Copyright (c) 1998 Theo de Raadt and Jason L. Wright. 34 1.2 pk * All rights reserved. 35 1.1 pk * 36 1.1 pk * Redistribution and use in source and binary forms, with or without 37 1.1 pk * modification, are permitted provided that the following conditions 38 1.1 pk * are met: 39 1.1 pk * 1. Redistributions of source code must retain the above copyright 40 1.1 pk * notice, this list of conditions and the following disclaimer. 41 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright 42 1.1 pk * notice, this list of conditions and the following disclaimer in the 43 1.1 pk * documentation and/or other materials provided with the distribution. 44 1.2 pk * 3. The name of the authors may not be used to endorse or promote products 45 1.1 pk * derived from this software without specific prior written permission. 46 1.1 pk * 47 1.2 pk * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 48 1.1 pk * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 49 1.1 pk * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 50 1.2 pk * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 51 1.1 pk * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 52 1.1 pk * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 53 1.1 pk * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 54 1.1 pk * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 55 1.1 pk * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 56 1.1 pk * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 57 1.1 pk */ 58 1.1 pk 59 1.2 pk /* 60 1.2 pk * QEC registers layout 61 1.2 pk *- 62 1.1 pk struct qecregs { 63 1.2 pk u_int32_t qec_ctrl; // control 64 1.2 pk u_int32_t qec_stat; // status 65 1.2 pk u_int32_t qec_psize; // packet size 66 1.2 pk u_int32_t qec_msize; // local-mem size (64K) 67 1.2 pk u_int32_t qec_rsize; // receive partition size 68 1.2 pk u_int32_t qec_tsize; // transmit partition size 69 1.1 pk }; 70 1.2 pk */ 71 1.2 pk #define QEC_QRI_CTRL (0*4) 72 1.2 pk #define QEC_QRI_STAT (1*4) 73 1.2 pk #define QEC_QRI_PSIZE (2*4) 74 1.2 pk #define QEC_QRI_MSIZE (3*4) 75 1.2 pk #define QEC_QRI_RSIZE (4*4) 76 1.2 pk #define QEC_QRI_TSIZE (5*4) 77 1.1 pk 78 1.2 pk #define QEC_CTRL_MODEMASK 0xf0000000 /* QEC mode: */ 79 1.2 pk #define QEC_CTRL_MMODE 0x40000000 /* MACE qec mode */ 80 1.2 pk #define QEC_CTRL_BMODE 0x10000000 /* BE qec mode */ 81 1.1 pk #define QEC_CTRL_EPAR 0x00000020 /* enable parity */ 82 1.1 pk #define QEC_CTRL_ACNTRL 0x00000018 /* sbus arbitration control */ 83 1.1 pk #define QEC_CTRL_B64 0x00000004 /* 64 byte dvma bursts */ 84 1.1 pk #define QEC_CTRL_B32 0x00000002 /* 32 byte dvma bursts */ 85 1.1 pk #define QEC_CTRL_B16 0x00000000 /* 16 byte dvma bursts */ 86 1.1 pk #define QEC_CTRL_RESET 0x00000001 /* reset the qec */ 87 1.1 pk 88 1.1 pk #define QEC_STAT_TX 0x00000008 /* bigmac transmit irq */ 89 1.1 pk #define QEC_STAT_RX 0x00000004 /* bigmac receive irq */ 90 1.1 pk #define QEC_STAT_BM 0x00000002 /* bigmac qec irq */ 91 1.1 pk #define QEC_STAT_ER 0x00000001 /* bigmac error irq */ 92 1.1 pk 93 1.1 pk #define QEC_PSIZE_2048 0x00 /* 2k packet size */ 94 1.1 pk #define QEC_PSIZE_4096 0x01 /* 4k packet size */ 95 1.1 pk #define QEC_PSIZE_6144 0x10 /* 6k packet size */ 96 1.1 pk #define QEC_PSIZE_8192 0x11 /* 8k packet size */ 97 1.2 pk 98 1.2 pk 99 1.2 pk 100 1.2 pk /* 101 1.2 pk * Transmit & receive buffer descriptor. 102 1.2 pk */ 103 1.2 pk struct qec_xd { 104 1.2 pk volatile u_int32_t xd_flags; /* see below */ 105 1.2 pk volatile u_int32_t xd_addr; /* Buffer address (DMA) */ 106 1.2 pk }; 107 1.2 pk #define QEC_XD_OWN 0x80000000 /* ownership: 1=hw, 0=sw */ 108 1.2 pk #define QEC_XD_SOP 0x40000000 /* start of packet marker (xmit) */ 109 1.2 pk #define QEC_XD_EOP 0x20000000 /* end of packet marker (xmit) */ 110 1.2 pk #define QEC_XD_UPDATE 0x10000000 /* being updated? */ 111 1.2 pk #define QEC_XD_LENGTH 0x00001fff /* packet length mask */ 112 1.2 pk /* Descriptor ring size is fixed */ 113 1.2 pk #define QEC_XD_RING_MAXSIZE 256 /* maximum ring size */ 114
Indexes created Thu Oct 30 03:10:01 GMT 2025