/* $OpenBSD: am79c930reg.h,v 1.5 2003/10/21 18:58:48 jmc Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Bill Sommerfeld * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Device register definitions gleaned from from the AMD "Am79C930 * PCnet(tm)-Mobile Single Chip Wireless LAN Media Access Controller" * data sheet, AMD Pub #20183, Rev B, amendment/0, issue date August 1997. * * As of 1999/10/23, this was available from AMD's web site in PDF * form. */ /* * The 79c930 contains a bus interface unit, a media access * controller, and a transceiver attachment interface. * The MAC contains an 80188 CPU core. * typical devices built around this chip typically add 32k or 64k of * memory for buffers. * * The 80188 runs firmware which handles most of the 802.11 gorp, and * communicates with the host using shared data structures in this * memory; the specifics of the shared memory layout are not covered * in this source file; see <dev/ic/am80211fw.h> for details of that layer. */ /* * Device Registers */ #define AM79C930_IO_BASE 0 #define AM79C930_IO_SIZE 16 #define AM79C930_IO_SIZE_BIG 40 #define AM79C930_IO_ALIGN 0x40 /* am79c930 decodes lower 6bits */ #define AM79C930_GCR 0 /* General Config Register */ #define AM79C930_GCR_SWRESET 0x80 /* software reset */ #define AM79C930_GCR_CORESET 0x40 /* core reset */ #define AM79C930_GCR_DISPWDN 0x20 /* disable powerdown */ #define AM79C930_GCR_ECWAIT 0x10 /* embedded controller wait */ #define AM79C930_GCR_ECINT 0x08 /* interrupt from embedded ctrlr */ #define AM79C930_GCR_INT2EC 0x04 /* interrupt to embedded ctrlr */ #define AM79C930_GCR_ENECINT 0x02 /* enable interrupts from e.c. */ #define AM79C930_GCR_DAM 0x01 /* direct access mode (read only) */ #define AM79C930_GCR_BITS "\020\1DAM\2ENECINT\3INT2EC\4ECINT\5ECWAIT\6DISPWDN\7CORESET\010SWRESET" #define AM79C930_BSS 1 /* Bank Switching Select register */ #define AM79C930_BSS_ECATR 0x80 /* E.C. ALE test read */ #define AM79C930_BSS_FS 0x20 /* Flash Select */ #define AM79C930_BSS_MBS 0x18 /* Memory Bank Select */ #define AM79C930_BSS_EIOW 0x04 /* Expand I/O Window */ #define AM79C930_BSS_TBS 0x03 /* TAI Bank Select */ #define AM79C930_LMA_LO 2 /* Local Memory Address register (low byte) */ #define AM79C930_LMA_HI 3 /* Local Memory Address register (high byte) */ /* set this bit to turn off ISAPnP version */ #define AM79C930_LMA_HI_ISAPWRDWN 0x80 /* * mmm, inconsistency in chip documentation: * According to page 79--80, all four of the following are equivalent * and address the single byte pointed at by BSS_{FS,MBS} | LMA_{HI,LO} * According to tables on p63 and p67, they're the LSB through MSB * of a 32-bit word. */ #define AM79C930_IODPA 4 /* I/O Data port A */ #define AM79C930_IODPB 5 /* I/O Data port B */ #define AM79C930_IODPC 6 /* I/O Data port C */ #define AM79C930_IODPD 7 /* I/O Data port D */ /* * Transceiver Attachment Interface Registers (TIR space) * (omitted for now, since host access to them is for diagnostic * purposes only). */ /* * memory space goo. */ #define AM79C930_MEM_SIZE 0x8000 /* 32k */ #define AM79C930_MEM_BASE 0x0 /* starting at 0 */