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if_smapreg.h revision 1.1 
      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