unsigned int pcibios_handle_status_errors(unsigned long addr,
unsigned int status,
struct pci_channel *hose)
{
unsigned int cmd = 0;
if (status & PCI_STATUS_REC_MASTER_ABORT) {
printk(KERN_DEBUG "PCI: master abort, pc=0x%08lx\n", addr);
cmd |= PCI_STATUS_REC_MASTER_ABORT;
}
if (status & PCI_STATUS_REC_TARGET_ABORT) {
printk(KERN_DEBUG "PCI: target abort: ");
pcibios_report_status(PCI_STATUS_REC_TARGET_ABORT |
PCI_STATUS_SIG_TARGET_ABORT |
PCI_STATUS_REC_MASTER_ABORT, 1);
printk("\n");
cmd |= PCI_STATUS_REC_TARGET_ABORT;
}
if (status & (PCI_STATUS_PARITY | PCI_STATUS_DETECTED_PARITY)) {
printk(KERN_DEBUG "PCI: parity error detected: ");
pcibios_report_status(PCI_STATUS_PARITY |
PCI_STATUS_DETECTED_PARITY, 1);
printk("\n");
cmd |= PCI_STATUS_PARITY | PCI_STATUS_DETECTED_PARITY;
/* Now back off of the IRQ for awhile */
if (hose->err_irq) {
disable_irq_nosync(hose->err_irq);
hose->err_timer.expires = jiffies + HZ;
add_timer(&hose->err_timer);
}
}
return cmd;
}
static irqreturn_t sh7780_pci_serr_irq(int irq, void *dev_id)
{
struct pci_channel *hose = dev_id;
printk(KERN_DEBUG "PCI: system error received: ");
pcibios_report_status(PCI_STATUS_SIG_SYSTEM_ERROR, 1);
printk("\n");
/* Deassert SERR */
__raw_writel(SH4_PCIINTM_SDIM, hose->reg_base + SH4_PCIINTM);
/* Back off the IRQ for awhile */
disable_irq_nosync(irq);
hose->serr_timer.expires = jiffies + HZ;
add_timer(&hose->serr_timer);
return IRQ_HANDLED;
}
