net/arcnet/com9026.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __COM9026_H
0003 #define __COM9026_H
0004
0005 /* COM 9026 controller chip --> ARCnet register addresses */
0006
0007 #define COM9026_REG_W_INTMASK   0   /* writable */
0008 #define COM9026_REG_R_STATUS    0   /* readable */
0009 #define COM9026_REG_W_COMMAND   1   /* writable, returns random vals on read (?) */
0010 #define COM9026_REG_RW_CONFIG   2   /* Configuration register */
0011 #define COM9026_REG_R_RESET 8   /* software reset (on read) */
0012 #define COM9026_REG_RW_MEMDATA  12  /* Data port for IO-mapped memory */
0013 #define COM9026_REG_W_ADDR_LO   14  /* Control registers for said */
0014 #define COM9026_REG_W_ADDR_HI   15
0015
0016 #define COM9026_REG_R_STATION   1   /* Station ID */
0017
0018 #endif