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kernel add
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#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
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