the following patch was just integrated into master: commit c805e62f9dd5e1b11906101845abd36b049e7dc3 Author: Rudolf Marek r.marek@assembler.cz Date: Mon Jul 7 22:16:36 2014 +0200
vendorcode/amd/agesa/f15tn: Fix erratum #712
Implement the fix for the erratum #712. - Processor May Hang During Graphics Memory Controller Sequencing
The processor may hang during a graphics memory controller (GMC) sleep state transitioning. The failure may be processor specific and may be sensitive to temperature.
Potential Effect on System: System hang.
Suggested Workaround: BIOS should set D18F2x408_dct[1:0] bit 31 = 1b.
See Publication # 48931 Revision: 3.08
Change-Id: I4346fd4ef3cf554ffdaaad5ab6fc84e73532e885 Signed-off-by: Rudolf Marek r.marek@assembler.cz Reviewed-on: http://review.coreboot.org/6216 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth gaumless@gmail.com Reviewed-by: Edward O'Callaghan eocallaghan@alterapraxis.com
See http://review.coreboot.org/6216 for details.
-gerrit