Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/2823
-gerrit
commit fde3707653bd57ea896df6e6da7497ab48339e33 Author: Shawn Nematbakhsh shawnn@google.com Date: Thu Mar 14 11:03:59 2013 -0700
Butterfly, Stout: Force SATA link speed to 3 Gbps
Force link speed on these platforms to 3 Gbps to defeat buggy SATA drives.
Change-Id: Ia38a7c486fb1f4469cd67ca5244bbf61f877d556 Signed-off-by: Shawn Nematbakhsh shawnn@google.com --- src/mainboard/google/butterfly/devicetree.cb | 5 ++++- src/mainboard/google/stout/devicetree.cb | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/mainboard/google/butterfly/devicetree.cb b/src/mainboard/google/butterfly/devicetree.cb index ca8118a..e7a50c0 100644 --- a/src/mainboard/google/butterfly/devicetree.cb +++ b/src/mainboard/google/butterfly/devicetree.cb @@ -58,7 +58,10 @@ chip northbridge/intel/sandybridge
register "ide_legacy_combined" = "0x0" register "sata_ahci" = "0x1" - register "sata_port_map" = "0x3" #enable SATA ports 0 & 1 + # Enable SATA ports 0 & 1 + register "sata_port_map" = "0x3" + # Set max SATA speed to 3.0 Gb/s + register "sata_interface_speed_support" = "0x2"
# Enable EC Port 0x68/0x6C register "gen1_dec" = "0x00040069" diff --git a/src/mainboard/google/stout/devicetree.cb b/src/mainboard/google/stout/devicetree.cb index c58a8d6..6e02020 100644 --- a/src/mainboard/google/stout/devicetree.cb +++ b/src/mainboard/google/stout/devicetree.cb @@ -60,6 +60,8 @@ chip northbridge/intel/sandybridge register "ide_legacy_combined" = "0x0" register "sata_ahci" = "0x1" register "sata_port_map" = "0x3" + # Set max SATA speed to 3.0 Gb/s + register "sata_interface_speed_support" = "0x2"
# Enable EC Port 0x68/0x6C register "gen1_dec" = "0x00040069"