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Add code to deal with the losing Libretto L2/L3 pcibios. From Masanori 

Kanaoka. I've been sitting on this code for 3 years, and have not done
anything better with it. It is ugly, it needs to be handled better, but
it is better to have it #ifdef'ed out rather than nothing.
This commit is contained in:
christos 2004-04-30 02:45:37 +00:00
parent f117f546d1
commit 4eac397f2f
1 changed files with 54 additions and 2 deletions
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56
sys/arch/i386/pci/pcibios.c
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@ -1,4 +1,4 @@
/* $NetBSD: pcibios.c,v 1.17 2004/04/24 15:09:54 uwe Exp $ */ /* $NetBSD: pcibios.c,v 1.18 2004/04/30 02:45:37 christos Exp $ */
/*- /*-
* Copyright (c) 1999 The NetBSD Foundation, Inc. * Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -67,7 +67,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pcibios.c,v 1.17 2004/04/24 15:09:54 uwe Exp $"); __KERNEL_RCSID(0, "$NetBSD: pcibios.c,v 1.18 2004/04/30 02:45:37 christos Exp $");
#include "opt_pcibios.h" #include "opt_pcibios.h"
@ -119,6 +119,20 @@ int pcibios_get_intr_routing(struct pcibios_intr_routing *,
int pcibios_return_code(u_int16_t, const char *); int pcibios_return_code(u_int16_t, const char *);
void pcibios_print_exclirq(void); void pcibios_print_exclirq(void);
#ifdef PCIBIOS_LIBRETTO_FIXUP
/* for Libretto L2/L3 hack */
static void pcibios_fixup_pir_table(void);
static void pcibios_fixup_pir_table_mask(struct pcibios_linkmap *);
struct pcibios_linkmap pir_mask[] = {
{ 2, 0x0040 },
{ 7, 0x0080 },
{ 8, 0x0020 },
{ 0, 0x0000 }
};
#endif
#ifdef PCIINTR_DEBUG #ifdef PCIINTR_DEBUG
void pcibios_print_pir_table(void); void pcibios_print_pir_table(void);
#endif #endif
@ -301,6 +315,11 @@ pcibios_pir_init()
} }
printf("\n"); printf("\n");
pcibios_print_exclirq(); pcibios_print_exclirq();
#ifdef PCIBIOS_LIBRETTO_FIXUP
/* for Libretto L2/L3 hack */
pcibios_fixup_pir_table();
#endif
#ifdef PCIINTR_DEBUG #ifdef PCIINTR_DEBUG
pcibios_print_pir_table(); pcibios_print_pir_table();
#endif #endif
@ -333,6 +352,11 @@ pcibios_pir_init()
printf("PCI BIOS has %d Interrupt Routing table entries\n", printf("PCI BIOS has %d Interrupt Routing table entries\n",
pcibios_pir_table_nentries); pcibios_pir_table_nentries);
pcibios_print_exclirq(); pcibios_print_exclirq();
#ifdef PCIBIOS_LIBRETTO_FIXUP
/* for Libretto L2/L3 hack */
pcibios_fixup_pir_table();
#endif
#ifdef PCIINTR_DEBUG #ifdef PCIINTR_DEBUG
pcibios_print_pir_table(); pcibios_print_pir_table();
#endif #endif
@ -474,6 +498,34 @@ pcibios_print_exclirq()
} }
} }
#ifdef PCIBIOS_LIBRETTO_FIXUP
/* for Libretto L2/L3 hack */
static void
pcibios_fixup_pir_table()
{
struct pcibios_linkmap *m;
for (m = pir_mask; m->link != 0; m++)
pcibios_fixup_pir_table_mask(m);
}
void
pcibios_fixup_pir_table_mask(mask)
struct pcibios_linkmap *mask;
{
int i, j;
for (i = 0; i < pcibios_pir_table_nentries; i++) {
for (j = 0; j < 4; j++) {
if (pcibios_pir_table[i].linkmap[j].link == mask->link) {
pcibios_pir_table[i].linkmap[j].bitmap
&= mask->bitmap;
}
}
}
}
#endif
#ifdef PCIINTR_DEBUG #ifdef PCIINTR_DEBUG
void void
pcibios_print_pir_table() pcibios_print_pir_table()