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Fix stalls in getting PECI information over eSPI

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This commit is contained in:
Jeremy Soller
2023-02-22 11:00:33 -07:00
parent 9abd9d853a
commit cda67e6d1e
1 changed files with 5 additions and 12 deletions
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17
src/board/system76/common/peci.c
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@ -73,8 +73,7 @@ void peci_init(void) {}
// Returns true on success, false on error
bool peci_get_temp(int16_t * data) {
// Wait for completion
while (ESUCTRL0 & ESUCTRL0_BUSY) {}
//TODO: Wait for completion?
// Clear upstream status
ESUCTRL0 = ESUCTRL0;
// Clear OOB status
@ -109,18 +108,11 @@ bool peci_get_temp(int16_t * data) {
// Set upstream go
ESUCTRL0 |= ESUCTRL0_GO;
// Wait while upstream busy
while (ESUCTRL0 & ESUCTRL0_BUSY) {}
uint8_t status = ESUCTRL0;
if (status & ESUCTRL0_DONE) {
// Upstream is done
} else {
//TODO: Upstream not done, how do we get error message?
}
// Wait until upstream done
while (!(ESUCTRL0 & ESUCTRL0_DONE)) {}
// Wait for response
//TODO: do this asynchronously to avoid delays
//TODO: do this asynchronously to avoid delays?
while (!(ESOCTRL0 & ESOCTRL0_STATUS)) {}
// Read response length
@ -143,6 +135,7 @@ bool peci_get_temp(int16_t * data) {
// negative (0x1000 | status register) on PECI hardware error
int16_t peci_wr_pkg_config(uint8_t index, uint16_t param, uint32_t data) {
//TODO: IMPLEMENT THIS STUB
DEBUG("peci_wr_pkg_config %02X, %04X, %08X\n", index, param, data);
index = index;
param = param;
data = data;