Denis Carikli (gnu...@no-log.org) just uploaded a new patch set to gerrit,
which you can find at http://review.coreboot.org/2067
-gerrit
commit c2cab0446e67f997b027ac2af52b53ad4a40b416
Author: Denis 'GNUtoo' Carikli <gnu...@no-log.org>
Date: Thu Dec 20 18:45:53 2012 +0100
M4A785T-M: Add support for external GFX.
This commit enables the external graphics card.
In order to work, the internal graphic card has to be
disabled, that is done in src/device/device.c trough:
vga_onboard->ops->disable(vga_onboard);
which calls the RS780 disable operation introduced in the following
commit: "rs780: add .disable pcie_ops"
Change-Id: I92e59dffd158db096a6e99d1ef6e2e248fef933c
Signed-off-by: Denis 'GNUtoo' Carikli <gnu...@no-log.org>
---
src/mainboard/asus/m4a785t-m/devicetree.cb | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/mainboard/asus/m4a785t-m/devicetree.cb
b/src/mainboard/asus/m4a785t-m/devicetree.cb
index e8764b1..905e5d3 100644
--- a/src/mainboard/asus/m4a785t-m/devicetree.cb
+++ b/src/mainboard/asus/m4a785t-m/devicetree.cb
@@ -11,7 +11,7 @@ chip northbridge/amd/amdfam10/root_complex
chip southbridge/amd/rs780
device pci 0.0 on end # HT 0x9600
device pci 1.0 on end # Internal
Graphics P2P bridge 0x9602
- device pci 2.0 off end # PCIE P2P
bridge (external graphics) 0x9603
+ device pci 2.0 on end # PCIE P2P bridge
(external graphics) 0x9603
device pci 3.0 off end # PCIE P2P
bridge 0x960b
device pci 4.0 off end # PCIE P2P
bridge 0x9604
device pci 5.0 off end # PCIE P2P
bridge 0x9605
@@ -24,7 +24,7 @@ chip northbridge/amd/amdfam10/root_complex
register "gpp_configuration" = "3" #
Configuration D default
register "port_enable" = "0x6fc"
register "gfx_dev2_dev3" = "1"
- register "gfx_dual_slot" = "2"
+ register "gfx_dual_slot" = "0"
register "gfx_lane_reversal" = "0"
register "gfx_tmds" = "0"
--
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