Re: kern/46828 6.0_BETA2 and 6.0_RC1 won't start on DL320/G5p

[Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>]

The following reply was made to PR kern/46828; it has been noted by GNATS.

From: Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/46828 6.0_BETA2 and 6.0_RC1 won't start on DL320/G5p
Date: Sat, 22 Sep 2012 18:14:35 +0900 (JST)

 Hi,
 
 According to Intel's document, the following patch is preferable, I think.
 
 Index: ehci_pci.c
 ===================================================================
 RCS file: /cvsroot/src/sys/dev/pci/ehci_pci.c,v
 retrieving revision 1.56
 diff -u -r1.56 ehci_pci.c
 --- ehci_pci.c 20 Jul 2012 01:26:19 -0000      1.56
 +++ ehci_pci.c 22 Sep 2012 09:12:36 -0000
 @@ -393,12 +393,10 @@
                if (EHCI_CAP_GET_ID(cap) != EHCI_CAP_ID_LEGACY)
                        goto next;
                legsup = pci_conf_read(pc, tag, addr + PCI_EHCI_USBLEGSUP);
 +              /* Ask BIOS to give up ownership */
 +              pci_conf_write(pc, tag, addr + PCI_EHCI_USBLEGSUP,
 +                  legsup | EHCI_LEG_HC_OS_OWNED);
                if (legsup & EHCI_LEG_HC_BIOS_OWNED) {
 -                      /* Ask BIOS to give up ownership */
 -                      legsup &= ~EHCI_LEG_HC_BIOS_OWNED;
 -                      legsup |= EHCI_LEG_HC_OS_OWNED;
 -                      pci_conf_write(pc, tag, addr + PCI_EHCI_USBLEGSUP,
 -                          legsup);
                        for (ms = 0; ms < EHCI_MAX_BIOS_WAIT; ms++) {
                                legsup = pci_conf_read(pc, tag,
                                    addr + PCI_EHCI_USBLEGSUP);
 
 --
 Ryo ONODERA // ryo_on%yk.rim.or.jp@localhost
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