diff options
Diffstat (limited to 'hw/lpc.c')
| -rw-r--r-- | hw/lpc.c | 25 |
1 files changed, 23 insertions, 2 deletions
@@ -944,14 +944,35 @@ void lpc_serirq(uint32_t chip_id, uint32_t index) chip_id, irqs, rmask); irqs &= rmask; - /* Handle SerIRQ interrupts */ + /* + * Handle SerIRQ interrupts. Don't clear the latch, + * it will be done in our special EOI callback if + * necessary on DD1 + */ if (irqs) - lpc_dispatch_ser_irqs(lpc, irqs, true); + lpc_dispatch_ser_irqs(lpc, irqs, false); bail: unlock(&lpc->lock); } +void lpc_p9_sirq_eoi(uint32_t chip_id, uint32_t index) +{ + struct proc_chip *chip = get_chip(chip_id); + struct lpcm *lpc; + uint32_t rmask; + + /* No initialized LPC controller on that chip */ + if (!chip || !chip->lpc) + return; + lpc = chip->lpc; + + lock(&lpc->lock); + rmask = lpc->sirq_rmasks[index]; + opb_write(lpc, lpc_reg_opb_base + LPC_HC_IRQSTAT, rmask, 4); + unlock(&lpc->lock); +} + void lpc_all_interrupts(uint32_t chip_id) { struct proc_chip *chip = get_chip(chip_id); |