25 lines
509 B
C
25 lines
509 B
C
#include <board/smbus.h>
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#include <ec/i2c.h>
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void smbus_init(void) {
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// 9.2 MHz * 4.7 us = 43.24
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SMB4P7USL = 43;
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// 9.2 MHz * 4.0 us = 36.8
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SMB4P0USL = 37;
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// 9.2 MHz * 300 ns = 2.76
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SMB300NS = 3;
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// 9.2 MHz * 250 ns = 2.3
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SMB250NS = 2;
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// 1.024 KHz * 25 ms = 25.6
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SMB25MS = 26;
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// 9.2 MHz * 45.3 us = 416.76 (0x01A1)
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SMB45P3USL = 0xA1;
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SMB45P3USH = 0x01;
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// Clock set to 50 KHz
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// SCLKTSA = 1;
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// Set up for i2c usage
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i2c_reset(true);
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}
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