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add mapping table of pci interrupt number

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This commit is contained in:
ichiro 2003-10-11 03:53:52 +00:00
parent f431b58f2b
commit 1a8b4d7eab
1 changed files with 17 additions and 20 deletions
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37
sys/arch/evbarm/ixdp425/ixdp425_pci.c
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@ -1,4 +1,4 @@
/* $NetBSD: ixdp425_pci.c,v 1.3 2003/10/08 14:55:04 scw Exp $ */
/* $NetBSD: ixdp425_pci.c,v 1.4 2003/10/11 03:53:52 ichiro Exp $ */
#define PCI_DEBUG
/*
* Copyright (c) 2003
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ixdp425_pci.c,v 1.3 2003/10/08 14:55:04 scw Exp $");
__KERNEL_RCSID(0, "$NetBSD: ixdp425_pci.c,v 1.4 2003/10/11 03:53:52 ichiro Exp $");
/*
* IXDP425 PCI interrupt support.
@ -183,43 +183,40 @@ ixp425_md_pci_conf_interrupt(pci_chipset_tag_t pc, int bus, int dev, int pin,
panic("ixp425_md_pci_conf_interrupt: unsupported bus number");
}
#define IXP425_MAX_DEV 4
#define IXP425_MAX_LINE 4
static int
ixdp425_pci_intr_map(struct pci_attach_args *pa, pci_intr_handle_t *ihp)
{
static int ixp425_pci_table[IXP425_MAX_DEV][IXP425_MAX_LINE] =
{
{PCI_INT_A, PCI_INT_B, PCI_INT_C, PCI_INT_D},
{PCI_INT_B, PCI_INT_C, PCI_INT_D, PCI_INT_A},
{PCI_INT_C, PCI_INT_D, PCI_INT_A, PCI_INT_B},
{PCI_INT_D, PCI_INT_A, PCI_INT_B, PCI_INT_C},
};
int pin = pa->pa_intrpin;
int dev = pa->pa_device;
#ifdef PCI_DEBUG
void *v = pa->pa_pc;
int line = pa->pa_intrline;
int dev=pa->pa_device;
pcitag_t intrtag = pa->pa_intrtag;
printf("ixdp425_pci_intr_map: v=%p, tag=%08lx intrpin=%d line=%d dev=%d\n",
v, intrtag, pin, line, dev);
#endif
switch (pin) {
case 1:
*ihp = PCI_INT_A;
if (pin >= 1 && pin <= IXP425_MAX_LINE &&
dev >= 1 && dev <= IXP425_MAX_DEV) {
*ihp = ixp425_pci_table[dev - 1][pin - 1];
return (0);
case 2:
*ihp = PCI_INT_B;
return (0);
case 3:
*ihp = PCI_INT_C;
return (0);
case 4:
*ihp = PCI_INT_D;
return (0);
default:
#ifdef PCI_DEBUG
} else {
printf("ixdp425_pci_intr_map: no mapping for %d/%d/%d\n",
pa->pa_bus, pa->pa_device, pa->pa_function);
#endif
return (1);
}
return (0);
}
static const char *