Author: mav
Date: Thu Oct 29 09:45:48 2009
New Revision: 198572
URL: http://svn.freebsd.org/changeset/base/198572
Log:
Fix SATA on nVidia MCP55 chipset. It needs some short time to allow BAR(5)
memory access.
PR: amd64/128686, amd64/132372, amd64/139156
Modified:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/ata/chipsets/ata-nvidia.c
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/dev/ata/chipsets/ata-nvidia.c
==============================================================================
--- stable/8/sys/dev/ata/chipsets/ata-nvidia.c Thu Oct 29 09:45:05 2009
(r198571)
+++ stable/8/sys/dev/ata/chipsets/ata-nvidia.c Thu Oct 29 09:45:48 2009
(r198572)
@@ -165,7 +165,8 @@ ata_nvidia_chipinit(device_t dev)
/* enable control access */
pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 1) | 0x04,1);
-
+ /* MCP55 seems to need some time to allow r_res2 read. */
+ DELAY(10);
if (ctlr->chip->cfg1 & NVQ) {
/* clear interrupt status */
ATA_OUTL(ctlr->r_res2, offset, 0x00ff00ff);
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