[Xen-changelog] [xen-unstable] hvmloader: Set up any Intel ICH for legacy IDE.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1214572511 -3600
# Node ID be52424a543ec9f1437056ee3bf429a4c48a4ea9
# Parent  37ff3322d4f345b5678e3d920fad90efcd16ca68
hvmloader: Set up any Intel ICH for legacy IDE.
Signed-off-by: Li Zhang <li.zhang@xxxxxxxxx>
---
 tools/firmware/hvmloader/hvmloader.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff -r 37ff3322d4f3 -r be52424a543e tools/firmware/hvmloader/hvmloader.c
--- a/tools/firmware/hvmloader/hvmloader.c      Fri Jun 27 14:11:41 2008 +0100
+++ b/tools/firmware/hvmloader/hvmloader.c      Fri Jun 27 14:15:11 2008 +0100
@@ -206,10 +206,12 @@ static void pci_setup(void)
             pci_writew(devfn, 0x3d, 0x0001);
             break;
         case 0x0101:
-            /* PIIX3 IDE */
-            ASSERT((vendor_id == 0x8086) && (device_id == 0x7010));
-            pci_writew(devfn, 0x40, 0x8000); /* enable IDE0 */
-            pci_writew(devfn, 0x42, 0x8000); /* enable IDE1 */
+            if ( vendor_id == 0x8086 )
+            {
+                /* Intel ICHs since PIIX3: enable IDE legacy mode. */
+                pci_writew(devfn, 0x40, 0x8000); /* enable IDE0 */
+                pci_writew(devfn, 0x42, 0x8000); /* enable IDE1 */
+            }
             break;
         }
 

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