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Add SCI event queue

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This commit is contained in:
Jeremy Soller
2019-12-02 13:20:56 -07:00
parent 73ab827211
commit dc19bf1248
3 changed files with 18 additions and 4 deletions
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17
src/board/system76/galp3-c/pmc.c
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@@ -3,6 +3,8 @@
#include <board/scratch.h>
#include <common/debug.h>
uint8_t pmc_sci_queue = 0;
void pmc_init(void) {
*(PMC_1.control) = 0x41;
*(PMC_2.control) = 0x41;
@@ -37,17 +39,24 @@ void pmc_event(struct Pmc * pmc) {
break;
case 0x82:
DEBUG(" burst enable\n");
// TODO: figure out what burst is
// Set burst bit
pmc_set_status(pmc, sts | (1 << 4));
// Send acknowledgement byte
pmc_write(pmc, 0x90, PMC_TIMEOUT);
break;
case 0x83:
DEBUG(" burst disable\n");
// TODO: figure out what burst is
// Clear burst bit
pmc_set_status(pmc, sts & ~(1 << 4));
break;
case 0x84:
DEBUG(" SCI queue\n");
// TODO: queue is always empty
pmc_write(pmc, 0, PMC_TIMEOUT);
// Clear SCI event pending bit
pmc_set_status(pmc, sts & ~(1 << 5));
// Send SCI event
pmc_write(pmc, pmc_sci_queue, PMC_TIMEOUT);
// Clear SCI queue
pmc_sci_queue = 0;
break;
case 0xDC: