[src/trunk]: src/sys/arch/i386/pci Enhance debug output for ICHx (with PIIX_D...

[kochi <kochi%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/eb2fd2069da8
branches:  trunk
changeset: 566230:eb2fd2069da8
user:      kochi <kochi%NetBSD.org@localhost>
date:      Sat May 01 06:35:10 2004 +0000

description:
Enhance debug output for ICHx (with PIIX_DEBUG)
from Masanori Kanaoka

diffstat:

 sys/arch/i386/pci/piix.c |  25 +++++++++++++++++++++++--
 1 files changed, 23 insertions(+), 2 deletions(-)

diffs (65 lines):

diff -r 42f38c980841 -r eb2fd2069da8 sys/arch/i386/pci/piix.c
--- a/sys/arch/i386/pci/piix.c  Sat May 01 06:17:26 2004 +0000
+++ b/sys/arch/i386/pci/piix.c  Sat May 01 06:35:10 2004 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: piix.c,v 1.7 2004/04/11 06:00:26 kochi Exp $   */
+/*     $NetBSD: piix.c,v 1.8 2004/05/01 06:35:10 kochi Exp $   */
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -73,7 +73,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: piix.c,v 1.7 2004/04/11 06:00:26 kochi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: piix.c,v 1.8 2004/05/01 06:35:10 kochi Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -103,6 +103,7 @@
 int    piix_set_intr(pciintr_icu_handle_t, int, int);
 #ifdef PIIX_DEBUG
 void   piix_pir_dump(struct piix_handle *);
+void   ich_pir_dump(struct piix_handle *);
 #endif
 
 const struct pciintr_icu piix_pci_icu = {
@@ -162,6 +163,10 @@
        if (rv == 0) {
                piix_max_link = 7;
                *ptagp = &ich_pci_icu;
+
+#ifdef PIIX_DEBUG
+               ich_pir_dump(*phandp);
+#endif 
        }
 
        return (rv);
@@ -208,6 +213,7 @@
         */
        if (link >= 0x68 && link <= 0x6b) {
                *clinkp = link - 0x68 + 4;
+               DPRINTF(("PIIX link value 0x%x: ", link));
                DPRINTF(("PIRQ %d (register offset)\n", *clinkp));
                return (0);
        }
@@ -335,4 +341,19 @@
                       'L' : 'E');
        printf("\n");
 }
+
+void
+ich_pir_dump(struct piix_handle *ph)
+{
+       int i, irq;
+       pcireg_t irqs = pci_conf_read(ph->ph_pc, ph->ph_tag, PIIX_CFG_PIRQ2);
+
+       for (i = 0; i < 4; i++) {
+               irq = PIIX_PIRQ(irqs, i);
+               if (irq & PIIX_CFG_PIRQ_NONE)
+                       printf("PIIX PIRQ %d: irq none (0x%x)\n", i+4, irq);
+               else
+                       printf("PIIX PIRQ %d: irq %d\n", i+4, irq);
+       }
+}
 #endif /* PIIX_DEBUG */