switch-coreboot/southbridge/amd/rs690/gfx.dts
Ronald G. Minnich cedf16ca69 Marc reviewed the v3 device tree code and we developed the set of
cleanups/fixes.

Fixup device tree code. Add/change methods as needed. 
This should help serengeti.
Signed-off-by: Ronald G. Minnich<rminnich@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Corey Osgood <corey.osgood@gmail.com>
Acked-by: Marc Jones <marc.jones@amd.com>


git-svn-id: svn://coreboot.org/repository/coreboot-v3@954 f3766cd6-281f-0410-b1cd-43a5c92072e9
2008-10-27 20:05:38 +00:00

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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Ronald G. Minnich <rminnich@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
#Define gpp_configuration, A=0, B=1, C=2, D=3, E=4(default)
#Define vga_rom_address = 0xfff0000
#Define port_enable, (bit map): GFX(2,3), GPP(4,5,6,7)
#Define gfx_dev2_dev3, 0: a link will never be established on Dev2 or Dev3,
# 1: the system allows a PCIE link to be established on Dev2 or Dev3.
#Define gfx_dual_slot, 0: single slot, 1: dual slot
#Define gfx_lane_reversal, 0: disable lane reversal, 1: enable
#Define gfx_tmds, 0: didn't support TMDS, 1: support
#Define gfx_compliance, 0: didn't support compliance, 1: support
#Define gfx_reconfiguration, 0: short reconfiguration, 1(default): long reconfiguration
#Define gfx_link_width, 0: x16, 1: x1, 2: x2, 3: x4, 4: x8, 5: x12 (not supported), 6: x16
*/
{
device_operations = "rs690_gfx";
vga_rom_address = "0xfff0000";
gfx_dev2_dev3 = "1"; /* for GFX Core initialization REFCLK_SEL */
gfx_dual_slot = "0"; /* Is it dual graphics slots */
gfx_lane_reversal = "0"; /* Single/Dual slot lan reversal */
gfx_tmds = "0"; /* whether support TMDS? */
gfx_compliance = "0"; /* whether support compliance? */
gfx_reconfiguration = "1"; /* Dynamic Lind Width Control */
gfx_link_width = "0"; /* Desired width of lane 2 */
};