1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __COM9026_H 3 #define __COM9026_H 4 5 /* COM 9026 controller chip --> ARCnet register addresses */ 6 7 #define COM9026_REG_W_INTMASK 0 /* writable */ 8 #define COM9026_REG_R_STATUS 0 /* readable */ 9 #define COM9026_REG_W_COMMAND 1 /* writable, returns random vals on read (?) */ 10 #define COM9026_REG_RW_CONFIG 2 /* Configuration register */ 11 #define COM9026_REG_R_RESET 8 /* software reset (on read) */ 12 #define COM9026_REG_RW_MEMDATA 12 /* Data port for IO-mapped memory */ 13 #define COM9026_REG_W_ADDR_LO 14 /* Control registers for said */ 14 #define COM9026_REG_W_ADDR_HI 15 15 16 #define COM9026_REG_R_STATION 1 /* Station ID */ 17 18 #endif 19