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