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Add PMC burst command

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This commit is contained in:
Jeremy Soller 2019-11-08 12:43:36 -07:00
parent 05a505ad83
commit 342e1018cc
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GPG Key ID: E988B49EE78A7FB1
1 changed files with 16 additions and 2 deletions
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18
src/ec/it8587e/pmc.c
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@ -22,6 +22,8 @@ uint8_t pmc_read(struct Pmc * pmc) {
}
void pmc_write(struct Pmc * pmc, uint8_t data) {
//TODO: use timeout
while (pmc_status(pmc) & PMC_STS_OBF) {}
*(pmc->data_out) = data;
}
@ -42,6 +44,7 @@ void pmc_event(struct Pmc * pmc) {
if (sts & PMC_STS_CMD) {
printf("pmc cmd: %02X\n", data);
state = PMC_STATE_DEFAULT;
switch (data) {
case 0x80:
state = PMC_STATE_ACPI_READ;
@ -49,8 +52,19 @@ void pmc_event(struct Pmc * pmc) {
case 0x81:
state = PMC_STATE_ACPI_WRITE;
break;
default:
state = PMC_STATE_DEFAULT;
case 0x82:
printf(" burst enable\n");
// TODO: figure out what burst is
pmc_write(pmc, 0x90);
break;
case 0x83:
printf(" burst disable\n");
// TODO: figure out what burst is
break;
case 0x84:
printf(" SCI queue\n");
// TODO: queue is always empty
pmc_write(pmc, 0);
break;
}
} else {