android_kernel_xiaomi_sm8350/arch/sh/drivers/pci/fixups-sh03.c
Paul Mundt 959f85f8a3 sh: Consolidated SH7751/SH7780 PCI support.
This cleans up quite a lot of the PCI mess that we
currently have, and attempts to consolidate the
duplication in the SH7780 and SH7751 PCI controllers.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27 16:43:28 +09:00

32 lines
676 B
C

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
int irq;
if (dev->bus->number == 0) {
switch (slot) {
case 4: return 5; /* eth0 */
case 8: return 5; /* eth1 */
case 6: return 2; /* PCI bridge */
default:
printk(KERN_ERR "PCI: Bad IRQ mapping request "
"for slot %d\n", slot);
return 2;
}
} else {
switch (pin) {
case 0: irq = 2; break;
case 1: irq = 2; break;
case 2: irq = 2; break;
case 3: irq = 2; break;
case 4: irq = 2; break;
default: irq = -1; break;
}
}
return irq;
}