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implemented initial version of XLB PCI interrupt handler. For now it

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just reports and clears errors.
This commit is contained in:
Markus Fröschle
2015-01-12 07:25:16 +00:00
parent f73e602a80
commit 68b309d37a
2 changed files with 27 additions and 6 deletions
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21
sys/interrupts.c
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@@ -263,8 +263,29 @@ bool pic_interrupt_handler(void *arg1, void *arg2)
bool xlbpci_interrupt_handler(void *arg1, void *arg2)
{
uint32_t reason;
dbg("XLB PCI interrupt\r\n");
reason = MCF_PCI_PCIISR;
if (reason & MCF_PCI_PCIISR_RE)
{
err("Retry error. Retry terminated or max retries reached. Cleared\r\n");
MCF_PCI_PCIISR |= MCF_PCI_PCIISR_RE;
}
if (reason & MCF_PCI_PCIISR_IA)
{
err("Initiator abort. No target answered in time. Cleared.\r\n");
MCF_PCI_PCIISR |= MCF_PCI_PCIISR_IA;
}
if (reason & MCF_PCI_PCIISR_TA)
{
err("Target abort. Cleared.\r\n");
MCF_PCI_PCIISR |= MCF_PCI_PCIISR_TA;
}
return true;
}