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