diff options
Diffstat (limited to 'sys/arch/amiga/dev/if_bahreg.h')
| -rw-r--r-- | sys/arch/amiga/dev/if_bahreg.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/sys/arch/amiga/dev/if_bahreg.h b/sys/arch/amiga/dev/if_bahreg.h new file mode 100644 index 00000000000..568d8c44d4f --- /dev/null +++ b/sys/arch/amiga/dev/if_bahreg.h @@ -0,0 +1,99 @@ +/* $NetBSD: if_bahreg.h,v 1.4 1995/06/07 00:16:59 cgd Exp $ */ + +/* + * Copyright (c) 1994, 1995 Ignatios Souvatzis + * All rights reserved. + * + * 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 Ignatios Souvatzis + * for the NetBSD project. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + */ + +/* + * The A2060/A560 card use the SMC COM90C26 Arcnet chipset. + * First or last 16k segment, resp., write a fifo which drives the reset line. + * 2nd 16k segment contains the registers. + * 3rd 16k segment contains the buffer RAM. + * All are only accessible at even addresses. + */ + +/* CBM Arcnet board */ +#define MANUFACTURER_1 514 +#define PRODUCT_1 9 + +/* Ameristar board */ +#define MANUFACTURER_2 1053 +#define PRODUCT_2 9 + +struct a2060 { + volatile u_int8_t kick1; + u_int8_t pad1[16383]; + volatile u_int8_t status; /* also intmask */ + u_int8_t pad2; + volatile u_int8_t command; + u_int8_t pad3[16381]; + volatile u_int8_t buffers[4096]; /* even bytes only */ + u_int8_t pad4[12228]; + volatile u_int8_t kick2; + u_int8_t pad5[16383]; +}; + +#define checkbyte buffers[0] +#define dipswitches buffers[2] + +/* calculate address for board b, buffer no n and offset o */ +#define BUFPTR(b,n,o) (&(b)->buffers[(n)*512+(o)*2]) + +#define ARC_TXDIS 0x01 +#define ARC_RXDIS 0x02 +#define ARC_TX(x) (0x03 | ((x)<<3)) +#define ARC_RX(x) (0x04 | ((x)<<3)) +#define ARC_RXBC(x) (0x84 | ((x)<<3)) + +#define ARC_CONF(x) (0x05 | (x)) +#define CLR_POR 0x08 +#define CLR_RECONFIG 0x10 + +#define ARC_CLR(x) (0x06 | (x)) +#define CONF_LONG 0x08 +#define CONF_SHORT 0x00 + +/* + * These are not in the COM90C65 docs. Derived from the arcnet.asm + * packet driver by Philippe Prindeville and Russel Nelson. + */ + +#define ARC_LDTST(x) (0x07 | (x)) +#define TEST_ON 0x08 +#define TEST_OFF 0x00 + +#define ARC_TA 1 /* int mask also */ +#define ARC_TMA 2 +#define ARC_RECON 4 /* int mask also */ +#define ARC_TEST 8 /* not in the COM90C65 docs (see above) */ +#define ARC_POR 0x10 /* non maskable interrupt */ +#define ARC_ET1 0x20 /* timeout value bits, normally 1 */ +#define ARC_ET2 0x40 /* timeout value bits, normally 1 */ +#define ARC_RI 0x80 /* int mask also */ |