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| author | mav <mav@FreeBSD.org> | 2009-10-26 08:41:10 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2009-10-26 08:41:10 +0000 |
| commit | c4078470d7eefc5dd2cb53c10f0fa44bdd957f5f (patch) | |
| tree | 8810ff99946ecbf624d991e59ab27c2e344567d7 | |
| parent | 18f719f38d9093b08c7bb43eb656732a965182a9 (diff) | |
| download | FreeBSD-src-c4078470d7eefc5dd2cb53c10f0fa44bdd957f5f.zip FreeBSD-src-c4078470d7eefc5dd2cb53c10f0fa44bdd957f5f.tar.gz | |
Fix SATA on nVidia MCP55 chipset. It needs some short time to allow BAR(5)
memory access.
PR: amd64/128686, amd64/132372, amd64/139156
MFC after: 3 days
| -rw-r--r-- | sys/dev/ata/chipsets/ata-nvidia.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/ata/chipsets/ata-nvidia.c b/sys/dev/ata/chipsets/ata-nvidia.c index 95be37c..bb76316 100644 --- a/sys/dev/ata/chipsets/ata-nvidia.c +++ b/sys/dev/ata/chipsets/ata-nvidia.c @@ -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); |
