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PCI interrupts routed to the ISA ICU.
This commit is contained in:
ross 2001-03-27 01:39:51 +00:00
parent 2ace2c7db3
commit e84bc939c9
1 changed files with 9 additions and 8 deletions
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17
sys/arch/alpha/pci/pci_550.c
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@ -1,4 +1,4 @@
/* $NetBSD: pci_550.c,v 1.20 2001/03/25 06:38:50 ross Exp $ */
/* $NetBSD: pci_550.c,v 1.21 2001/03/27 01:39:51 ross Exp $ */
/*-
* Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
@ -66,7 +66,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: pci_550.c,v 1.20 2001/03/25 06:38:50 ross Exp $");
__KERNEL_RCSID(0, "$NetBSD: pci_550.c,v 1.21 2001/03/27 01:39:51 ross Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -120,11 +120,10 @@ void *dec_550_pciide_compat_intr_establish __P((void *, struct device *,
/*
* Some Miata models, notably models with a Cypress PCI-ISA bridge, have
* a PCI device (the OHCI USB controller) with interrupts tied to ISA IRQ
* lines. This IRQ is encoded as:
*
* line = 0xe0 | isa_irq;
* lines. This IRQ is encoded as: line = FLAG | isa_irq. Usually FLAG
* is 0xe0, however, it can be 0xf0. We don't allow 0xf0 | irq15.
*/
#define DEC_550_LINE_IS_ISA(line) ((line) >= 0xe0 && (line) <= 0xef)
#define DEC_550_LINE_IS_ISA(line) ((line) >= 0xe0 && (line) <= 0xfe)
#define DEC_550_LINE_ISA_IRQ(line) ((line) & 0x0f)
struct alpha_shared_intr *dec_550_pci_intr;
@ -252,9 +251,11 @@ dec_550_intr_map(pa, ihp)
}
#endif
if (DEC_550_LINE_IS_ISA(line) == 0 && line >= DEC_550_MAX_IRQ)
if (DEC_550_LINE_IS_ISA(line) == 0 && line >= DEC_550_MAX_IRQ) {
printf("dec_550_intr_map: irq %d out of range %d/%d/%d\n",
line, bus, device, function);
return (1);
}
*ihp = line;
return (0);
}