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