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