diff options
| author | Patrick Rudolph <siro@das-labor.org> | 2017-09-18 18:21:02 +0200 |
|---|---|---|
| committer | Patrick Rudolph <siro@das-labor.org> | 2017-09-25 16:18:38 +0000 |
| commit | df27690df354169309970cfe5ebd292d2bf9ab3d (patch) | |
| tree | 52480f254747792c25a8f8a26107db1b32d099b3 | |
| parent | 3b0f5426af8288bb039922405122282532cfa422 (diff) | |
| download | coreboot-df27690df354169309970cfe5ebd292d2bf9ab3d.tar.xz | |
mb/lenovo/x2?0/devicetree: Fix regression of BDC detection
The x220 and x230 do have BDC detection, but it's broken.
Disable BDC detection on those two boards, and add a comment
why it doesn't work.
The issue has been reported and tested on Lenovo X220.
Change-Id: Id1ccc2c4387370e284ff8964e1c41d945cefe74c
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/21587
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
| -rw-r--r-- | src/mainboard/lenovo/x220/devicetree.cb | 8 | ||||
| -rw-r--r-- | src/mainboard/lenovo/x230/devicetree.cb | 8 |
2 files changed, 10 insertions, 6 deletions
diff --git a/src/mainboard/lenovo/x220/devicetree.cb b/src/mainboard/lenovo/x220/devicetree.cb index 1332cd8548..ae2a03ec09 100644 --- a/src/mainboard/lenovo/x220/devicetree.cb +++ b/src/mainboard/lenovo/x220/devicetree.cb @@ -165,9 +165,11 @@ chip northbridge/intel/sandybridge register "eventd_enable" = "0xff" register "evente_enable" = "0x0d" - register "has_bdc_detection" = "1" - register "bdc_gpio_num" = "54" - register "bdc_gpio_lvl" = "0" + # BDC detection is broken on this board: + # BDC shorts pin14 and pin1 + # BDC's connector pin14 is left floating + # BDC's connector pin1 is routed to SB GPIO 54 + register "has_bdc_detection" = "0" end end # LPC bridge device pci 1f.2 on diff --git a/src/mainboard/lenovo/x230/devicetree.cb b/src/mainboard/lenovo/x230/devicetree.cb index d7f56476df..41e13f6c75 100644 --- a/src/mainboard/lenovo/x230/devicetree.cb +++ b/src/mainboard/lenovo/x230/devicetree.cb @@ -167,9 +167,11 @@ chip northbridge/intel/sandybridge register "eventd_enable" = "0xff" register "evente_enable" = "0x0d" - register "has_bdc_detection" = "1" - register "bdc_gpio_num" = "54" - register "bdc_gpio_lvl" = "0" + # BDC detection is broken on this board: + # BDC shorts pin14 and pin1 + # BDC's connector pin14 is left floating + # BDC's connector pin1 is routed to SB GPIO 54 + register "has_bdc_detection" = "0" end end # LPC bridge device pci 1f.2 on |