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Fixes for smbus

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This commit is contained in:
Jeremy Soller
2019-10-01 13:40:29 -06:00
parent a300a5681a
commit b4eeae3bda
4 changed files with 30 additions and 1 deletions
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8
src/board/system76/galp3-c/include/board/smbus.h Normal file
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@ -0,0 +1,8 @@
#ifndef _BOARD_SMBUS_H
#define _BOARD_SMBUS_H
#include <ec/smbus.h>
void smbus_init(void);
#endif // _BOARD_SMBUS_H

4
src/board/system76/galp3-c/main.c
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@ -10,6 +10,7 @@
#include <board/pmc.h>
#include <board/ps2.h>
#include <board/pwm.h>
#include <board/smbus.h>
#include <common/macro.h>
void external_0(void) __interrupt(0) {
@ -43,8 +44,9 @@ void init(void) {
pmc_init();
kbscan_init();
pwm_init();
smbus_init();
//TODO: INTC, PECI, SMBUS
//TODO: INTC, PECI
// PECI information can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/design-guides/core-i7-lga-2011-guide.pdf
}

11
src/board/system76/galp3-c/smbus.c Normal file
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@ -0,0 +1,11 @@
#include <board/smbus.h>
void smbus_init(void) {
SMB4P7USL = 0x2F;
SMB4P0USL = 0x5A;
SMB300NS = 0x03;
SMB250NS = 0x30;
SMB25MS = 0x19;
SMB45P3USL = 0x5C;
SMB45P3USH = 0x01;
}

8
src/ec/it8587e/include/ec/smbus.h
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@ -42,5 +42,13 @@ volatile uint8_t __xdata __at(0x1C10) HOCTL2A;
// SMCLK timing setting for channel A
volatile uint8_t __xdata __at(0x1C10) SCLKTSA;
// Timing registers
volatile uint8_t __xdata __at(0x1C22) SMB4P7USL;
volatile uint8_t __xdata __at(0x1C23) SMB4P0USL;
volatile uint8_t __xdata __at(0x1C24) SMB300NS;
volatile uint8_t __xdata __at(0x1C25) SMB250NS;
volatile uint8_t __xdata __at(0x1C26) SMB25MS;
volatile uint8_t __xdata __at(0x1C27) SMB45P3USL;
volatile uint8_t __xdata __at(0x1C28) SMB45P3USH;
#endif // _EC_SMBUS_H