1 /* $NetBSD: smc90cx6reg.h,v 1.7 1999/02/16 23:34:13 is Exp $ */
5 * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Ignatios Souvatzis.
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41 * chip offsets and bits for the SMC Arcnet chipset.
44 #ifndef _SMC90CXVAR_H_
45 #define _SMC90CXVAR_H_
47 #define CM_IO_PORTS 16
48 #define CM_MEM_SIZE 0x800
50 /* register offsets */
62 #define CM_TX(x) (0x03 | ((x)<<3))
63 #define CM_RX(x) (0x04 | ((x)<<3))
64 #define CM_RXBC(x) (0x84 | ((x)<<3))
66 #define CM_CONF(x) (0x05 | (x))
68 #define CLR_RECONFIG 0x10
70 #define CM_CLR(x) (0x06 | (x))
71 #define CONF_LONG 0x08
72 #define CONF_SHORT 0x00
75 * These are not in the COM90C65 docs. Derived from the arcnet.asm
76 * packet driver by Philippe Prindeville and Russel Nelson.
79 #define CM_LDTST(x) (0x07 | (x))
83 #define CM_TA 1 /* int mask also */
85 #define CM_RECON 4 /* int mask also */
86 #define CM_TEST 8 /* not in the COM90C65 docs (see above) */
87 #define CM_POR 0x10 /* non maskable interrupt */
88 #define CM_ET1 0x20 /* timeout value bits, normally 1 */
89 #define CM_ET2 0x40 /* timeout value bits, normally 1 */
90 #define CM_RI 0x80 /* int mask also */