[coreboot] [PATCH 3/3] X60: use I/O 0x1600/0x1604 for ACPI accesses

[Sven Schnelle]

Signed-off-by: Sven Schnelle <svens at stackframe.org>
---
 src/mainboard/lenovo/x60/mainboard.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/mainboard/lenovo/x60/mainboard.c b/src/mainboard/lenovo/x60/mainboard.c
index b8e6a49..79e4a83 100644
--- a/src/mainboard/lenovo/x60/mainboard.c
+++ b/src/mainboard/lenovo/x60/mainboard.c
@@ -50,6 +50,11 @@ static void wlan_enable(void)
 
 static void mainboard_enable(device_t dev)
 {
+	/* Enable 1600/1604 register pair */
+	ec_set_bit(0x00, 0x05);
+	/* switch to just enabled registers for ACPI */
+	ec_set_ports(0x1604, 0x1600);
+
 	backlight_enable();
 	trackpoint_enable();
 	/* FIXME: this should be ACPI's task
-- 
1.7.4.1