1 /* $NetBSD: if_smapreg.h,v 1.4 2014/03/31 11:25:49 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * SMAP memory access layer. 34 * 35 * <-> FIFO <-> BUF 36 * CPU +<-----> EMAC3 37 * <----------> DESC 38 */ 39 40 /* 41 * Buffer (accessed by FIFO or EMAC3. indexed by descriptor) 42 */ 43 #define SMAP_TXBUF_BASE 0x1000 44 #define SMAP_TXBUF_SIZE 0x1000 45 #define SMAP_RXBUF_BASE 0x4000 46 #define SMAP_RXBUF_SIZE 0x4000 47 48 /* 49 * FIFO access 50 */ 51 #define SMAP_TXFIFO_CTRL_REG8 MIPS_PHYS_TO_KSEG1(0x14001000) 52 #define SMAP_TXFIFO_PTR_REG16 MIPS_PHYS_TO_KSEG1(0x14001004) 53 #define SMAP_TXFIFO_FRAME_REG8 MIPS_PHYS_TO_KSEG1(0x1400100c) 54 #define SMAP_TXFIFO_FRAME_INC_REG8 MIPS_PHYS_TO_KSEG1(0x14001010) 55 #define SMAP_TXFIFO_DATA_REG MIPS_PHYS_TO_KSEG1(0x14001100) 56 #define SMAP_RXFIFO_CTRL_REG8 MIPS_PHYS_TO_KSEG1(0x14001030) 57 #define SMAP_RXFIFO_PTR_REG16 MIPS_PHYS_TO_KSEG1(0x14001034) 58 #define SMAP_RXFIFO_FRAME_REG8 MIPS_PHYS_TO_KSEG1(0x1400103c) 59 #define SMAP_RXFIFO_FRAME_DEC_REG8 MIPS_PHYS_TO_KSEG1(0x14001040) 60 #define SMAP_RXFIFO_DATA_REG MIPS_PHYS_TO_KSEG1(0x14001200) 61 #define SMAP_FIFO_RESET 0x01 62 63 /* 64 * Descriptor access 65 */ 66 #define SMAP_DESC_MODE_REG8 MIPS_PHYS_TO_KSEG1(0x14000102) 67 #define SMAP_DESC_MODE_SWAP 0x0001 68 69 #define SMAP_TXDESC_BASE MIPS_PHYS_TO_KSEG1(0x14003000) 70 #define SMAP_RXDESC_BASE MIPS_PHYS_TO_KSEG1(0x14003200) 71 #define SMAP_DESC_MAX 64 72 struct smap_desc { 73 u_int16_t stat; 74 u_int16_t __reserved; 75 u_int16_t sz; 76 u_int16_t ptr; 77 }__attribute__((__packed__, __aligned__(8))); 78 79 /* TX Control */ 80 #define SMAP_TXDESC_READY 0x8000 81 #define SMAP_TXDESC_GENFCS 0x0200 82 #define SMAP_TXDESC_GENPAD 0x0100 83 #define SMAP_TXDESC_INSSA 0x0080 84 #define SMAP_TXDESC_RPLSA 0x0040 85 #define SMAP_TXDESC_INSVLAN 0x0020 86 #define SMAP_TXDESC_RPLVLAN 0x0010 87 88 /* TX Status */ 89 #define SMAP_TXDESC_READY 0x8000 90 #define SMAP_TXDESC_BADFCS 0x0200 91 #define SMAP_TXDESC_BADPKT 0x0100 92 #define SMAP_TXDESC_LOSSCR 0x0080 93 #define SMAP_TXDESC_EDEFER 0x0040 94 #define SMAP_TXDESC_ECOLL 0x0020 95 #define SMAP_TXDESC_LCOLL 0x0010 96 #define SMAP_TXDESC_MCOLL 0x0008 97 #define SMAP_TXDESC_SCOLL 0x0004 98 #define SMAP_TXDESC_UNDERRUN 0x0002 99 #define SMAP_TXDESC_SQE 0x0001 100 101 /* RX Control */ 102 #define SMAP_RXDESC_EMPTY 0x8000 103 104 /* RX Status */ 105 #define SMAP_RXDESC_EMPTY 0x8000 106 #define SMAP_RXDESC_OVERRUN 0x0200 107 #define SMAP_RXDESC_PFRM 0x0100 108 #define SMAP_RXDESC_BADFRM 0x0080 109 #define SMAP_RXDESC_RUNTFRM 0x0040 110 #define SMAP_RXDESC_SHORTEVNT 0x0020 111 #define SMAP_RXDESC_ALIGNERR 0x0010 112 #define SMAP_RXDESC_BADFCS 0x0008 113 #define SMAP_RXDESC_FRMTOOLONG 0x0004 114 #define SMAP_RXDESC_OUTRANGE 0x0002 115 #define SMAP_RXDESC_INRANGE 0x0001 116