the following patch was just integrated into master: commit df5446196cd81c4a714f45f92fb379c795c1edb5 Author: Jonathan A. Kollasch jakllsch@kollasch.net Date: Fri Jul 17 07:47:41 2015 -0500
amd/model_fxx: set CPU_ADDR_BITS to 40 on all K8 machines
Moves the K8 CPU_ADDR_BITS definition from socket to model. Previously socket_F was not setting CPU_ADDR_BITS correctly.
Tested on Sun Ultra 40 M2 with two 2nd-gen Opterons w/ 2x4x2GiB DIMMs.
Most if not all K8-based chips support 40-bit physical addresses, with possible exception of IA32-only K8-based Athlon XP-M chips.
Probably irrelevant, unless your machine has enough memory (at least 60 to 64GiB before MMIO hoisting) to exceed the CPU_ADDR_BITS default of 36 from src/cpu/x86/Kconfig.
Change-Id: I01a2a59fa902280171840c36ca2e631476d3d603 Signed-off-by: Jonathan A. Kollasch jakllsch@kollasch.net Reviewed-on: http://review.coreboot.org/10963 Reviewed-by: Paul Menzel paulepanter@users.sourceforge.net Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand noreply@raptorengineeringinc.com Reviewed-by: Marc Jones marc.jones@se-eng.com
See http://review.coreboot.org/10963 for details.
-gerrit