1 /* $NetBSD: if_smapreg.h,v 1.1 2001/10/16 15:38:34 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * SMAP memory access layer. 41 * 42 * <-> FIFO <-> BUF 43 * CPU +<-----> EMAC3 44 * <----------> DESC 45 */ 46 47 /* 48 * Buffer (accessed by FIFO or EMAC3. indexed by descriptor) 49 */ 50 #define SMAP_TXBUF_BASE 0x1000 51 #define SMAP_TXBUF_SIZE 0x1000 52 #define SMAP_RXBUF_BASE 0x4000 53 #define SMAP_RXBUF_SIZE 0x4000 54 55 /* 56 * FIFO access 57 */ 58 #define SMAP_TXFIFO_CTRL_REG8 MIPS_PHYS_TO_KSEG1(0x14001000) 59 #define SMAP_TXFIFO_PTR_REG16 MIPS_PHYS_TO_KSEG1(0x14001004) 60 #define SMAP_TXFIFO_FRAME_REG8 MIPS_PHYS_TO_KSEG1(0x1400100c) 61 #define SMAP_TXFIFO_FRAME_INC_REG8 MIPS_PHYS_TO_KSEG1(0x14001010) 62 #define SMAP_TXFIFO_DATA_REG MIPS_PHYS_TO_KSEG1(0x14001100) 63 #define SMAP_RXFIFO_CTRL_REG8 MIPS_PHYS_TO_KSEG1(0x14001030) 64 #define SMAP_RXFIFO_PTR_REG16 MIPS_PHYS_TO_KSEG1(0x14001034) 65 #define SMAP_RXFIFO_FRAME_REG8 MIPS_PHYS_TO_KSEG1(0x1400103c) 66 #define SMAP_RXFIFO_FRAME_DEC_REG8 MIPS_PHYS_TO_KSEG1(0x14001040) 67 #define SMAP_RXFIFO_DATA_REG MIPS_PHYS_TO_KSEG1(0x14001200) 68 #define SMAP_FIFO_RESET 0x01 69 70 /* 71 * Descriptor access 72 */ 73 #define SMAP_DESC_MODE_REG8 MIPS_PHYS_TO_KSEG1(0x14000102) 74 #define SMAP_DESC_MODE_SWAP 0x0001 75 76 #define SMAP_TXDESC_BASE MIPS_PHYS_TO_KSEG1(0x14003000) 77 #define SMAP_RXDESC_BASE MIPS_PHYS_TO_KSEG1(0x14003200) 78 #define SMAP_DESC_MAX 64 79 struct smap_desc { 80 u_int16_t stat; 81 u_int16_t __reserved; 82 u_int16_t sz; 83 u_int16_t ptr; 84 }__attribute__((__packed__, __aligned__(8))); 85 86 /* TX Control */ 87 #define SMAP_TXDESC_READY 0x8000 88 #define SMAP_TXDESC_GENFCS 0x0200 89 #define SMAP_TXDESC_GENPAD 0x0100 90 #define SMAP_TXDESC_INSSA 0x0080 91 #define SMAP_TXDESC_RPLSA 0x0040 92 #define SMAP_TXDESC_INSVLAN 0x0020 93 #define SMAP_TXDESC_RPLVLAN 0x0010 94 95 /* TX Status */ 96 #define SMAP_TXDESC_READY 0x8000 97 #define SMAP_TXDESC_BADFCS 0x0200 98 #define SMAP_TXDESC_BADPKT 0x0100 99 #define SMAP_TXDESC_LOSSCR 0x0080 100 #define SMAP_TXDESC_EDEFER 0x0040 101 #define SMAP_TXDESC_ECOLL 0x0020 102 #define SMAP_TXDESC_LCOLL 0x0010 103 #define SMAP_TXDESC_MCOLL 0x0008 104 #define SMAP_TXDESC_SCOLL 0x0004 105 #define SMAP_TXDESC_UNDERRUN 0x0002 106 #define SMAP_TXDESC_SQE 0x0001 107 108 /* RX Control */ 109 #define SMAP_RXDESC_EMPTY 0x8000 110 111 /* RX Status */ 112 #define SMAP_RXDESC_EMPTY 0x8000 113 #define SMAP_RXDESC_OVERRUN 0x0200 114 #define SMAP_RXDESC_PFRM 0x0100 115 #define SMAP_RXDESC_BADFRM 0x0080 116 #define SMAP_RXDESC_RUNTFRM 0x0040 117 #define SMAP_RXDESC_SHORTEVNT 0x0020 118 #define SMAP_RXDESC_ALIGNERR 0x0010 119 #define SMAP_RXDESC_BADFCS 0x0008 120 #define SMAP_RXDESC_FRMTOOLONG 0x0004 121 #define SMAP_RXDESC_OUTRANGE 0x0002 122 #define SMAP_RXDESC_INRANGE 0x0001 123