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Relax things so that OFW implementations that don't conform to the OFW PCI 

bindings will work.
This commit is contained in:
matt 2003-08-20 14:41:56 +00:00
parent 39ff49f1b4
commit a1bba8f344
1 changed files with 27 additions and 25 deletions
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30
sys/arch/macppc/pci/pci_machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pci_machdep.c,v 1.22 2003/08/18 07:08:11 matt Exp $ */
/* $NetBSD: pci_machdep.c,v 1.23 2003/08/20 14:41:56 matt Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
@ -43,7 +43,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.22 2003/08/18 07:08:11 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.23 2003/08/20 14:41:56 matt Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -344,28 +344,34 @@ fixpci(parent, pc)
* Make sure the line register is programmed with the
* interrupt mapping.
*/
if (ilen == 0)
continue;
if (ilen == 0) {
/*
* Early Apple OFW implementation don't handle
* interrupts as defined by the OFW PCI bindings.
*/
len = OF_getprop(node, "AAPL,interrupts", irqs, 4);
} else {
iaddr.phys_hi = addr[0].phys_hi;
iaddr.phys_mid = addr[0].phys_mid;
iaddr.phys_lo = addr[0].phys_lo;
/*
* Thankfully, PCI can only have one entry in its "interrupts"
* property.
* Thankfully, PCI can only have one entry in its
* "interrupts" property.
*/
len = OF_getprop(node, "interrupts", &iaddr.icells[0], 4*ilen);
len = OF_getprop(node, "interrupts", &iaddr.icells[0],
4*ilen);
if (len != 4*ilen)
continue;
if (find_node_intr(node, &iaddr.phys_hi, irqs) == -1) {
printf("find_node_intr failed\n");
continue;
len = find_node_intr(node, &iaddr.phys_hi, irqs);
}
if (len > 0) {
intr = pci_conf_read(pc, tag, PCI_INTERRUPT_REG);
intr &= ~PCI_INTERRUPT_LINE_MASK;
intr |= irqs[0] & PCI_INTERRUPT_LINE_MASK;
pci_conf_write(pc, tag, PCI_INTERRUPT_REG, intr);
}
}
}
/*
* Find PCI IRQ of the node from OF tree.
@ -383,10 +389,6 @@ find_node_intr(node, addr, intr)
u_int32_t acells, icells;
char name[32];
len = OF_getprop(node, "AAPL,interrupts", intr, 4) ;
if (len == 4)
return len;
parent = OF_parent(node);
len = OF_getprop(parent, "interrupt-map", map, sizeof(map));
mlen = OF_getprop(parent, "interrupt-map-mask", imask, sizeof(imask));