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Determine the address of interrupt register at runtime.

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(iMac has different address)
This commit is contained in:
tsubai 1998-12-22 19:35:49 +00:00
parent f7514cc95c
commit 1e7ee2d117
1 changed files with 20 additions and 6 deletions
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26
sys/arch/macppc/macppc/autoconf.c
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@ -1,4 +1,4 @@
/* $NetBSD: autoconf.c,v 1.7 1998/12/10 20:49:17 tsubai Exp $ */
/* $NetBSD: autoconf.c,v 1.8 1998/12/22 19:35:49 tsubai Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -53,13 +53,17 @@
extern int cold;
void findroot __P((void));
int OF_interpret __P((char *cmd, int nreturns, ...));
struct device *booted_device; /* boot device */
int booted_partition; /* ...and partition on that device */
#define INT_ENABLE_REG (interrupt_reg + 0x24)
#define INT_CLEAR_REG (interrupt_reg + 0x28)
extern u_char *interrupt_reg;
u_char *interrupt_reg;
#define HEATHROW_FCR_OFFSET 0x38
u_int *heathrow_FCR = NULL;
/*
* Determine device configuration for a machine.
@ -67,7 +71,16 @@ extern u_char *interrupt_reg;
void
configure()
{
interrupt_reg = mapiodev(0xf3000000, NBPG);
int node, reg[5];
node = OF_finddevice("/pci/mac-io");
if (node != -1 &&
OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) != -1) {
interrupt_reg = mapiodev(reg[2], NBPG);
heathrow_FCR = mapiodev(reg[2] + HEATHROW_FCR_OFFSET, 4);
} else
interrupt_reg = mapiodev(0xf3000000, NBPG);
out32rb(INT_ENABLE_REG, 0); /* disable all intr. */
out32rb(INT_CLEAR_REG, 0xffffffff); /* clear pending intr. */
@ -218,15 +231,16 @@ OF_interpret(cmd, nreturns, va_alist)
* Find OF-device corresponding to the PCI device.
*/
int
pcidev_to_ofdev(pa)
struct pci_attach_args *pa;
pcidev_to_ofdev(pc, tag)
pci_chipset_tag_t pc;
pcitag_t tag;
{
int bus, dev, func;
u_int reg[5];
int p, q;
int l, b, d, f;
pci_decompose_tag(pa->pa_pc, pa->pa_tag, &bus, &dev, &func);
pci_decompose_tag(pc, tag, &bus, &dev, &func);
for (q = OF_peer(0); q; q = p) {
l = OF_getprop(q, "assigned-addresses", reg, sizeof(reg));