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Fix usage of SMBus channel E

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This commit is contained in:
Jeremy Soller 2020-01-10 12:35:28 -07:00
parent 991da81117
commit 5914b174a2
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2 changed files with 4 additions and 0 deletions
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2
src/board/system76/lemp9/gpio.c
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@ -19,6 +19,8 @@ struct Gpio __code BKL_EN = GPIO(H, 2);
void gpio_init() {
// Enable LPC reset on GPD2
GCR = 0x04;
// Enable SMBus channel 4
GCR15 = (1 << 4);
// Set GPIO data
GPDRA = 0;

2
src/ec/it5570e/include/ec/smbus.h
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@ -72,6 +72,8 @@ volatile uint8_t __xdata __at(0x1CA8) PECERCE;
volatile uint8_t __xdata __at(0x1CA9) SMBPCTLE;
// Host control 2 for channel E
volatile uint8_t __xdata __at(0x1CAA) HOCTL2E;
// SMCLK timing setting for channel E
volatile uint8_t __xdata __at(0x1CAB) SCLKTSE;
// Timing registers
volatile uint8_t __xdata __at(0x1C22) SMB4P7USL;