From 7b8952c19d8d809b7aeec629b31e1c3d66f19884 Mon Sep 17 00:00:00 2001 From: Shawn Nematbakhsh Date: Thu, 14 Mar 2013 11:03:59 -0700 Subject: 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 Reviewed-on: http://review.coreboot.org/2823 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich --- src/mainboard/google/butterfly/devicetree.cb | 5 ++++- src/mainboard/google/stout/devicetree.cb | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) (limited to 'src/mainboard') diff --git a/src/mainboard/google/butterfly/devicetree.cb b/src/mainboard/google/butterfly/devicetree.cb index ca8118abab..e7a50c0c57 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 c58a8d69e9..6e02020890 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" -- cgit v1.2.3