northbridge/amd/amdmct: Fix burst write depth on K10 rev. D and later

The BKDG for K10 revision D and later processors recommends a smaller
MCT burst write queue depth when using unganged memory.

TEST: Booted ASUS KFSN4-DRE with both Opteron 8356 and Opteron 2431

Change-Id: I36718d4972c9d2d0bdd3274191503b5fcd803f15
Signed-off-by: Timothy Pearson <>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <>
Reviewed-by: Kyösti Mälkki <>
1 file changed