1. PCI command reg write should be 16-bit. 2. HPTC reg write should be 8-bit. Also, use macros instead of hard-coded values. Currently, the macros are defined in romstage.c, but if more P2SB macros are added, it would be good to move them to a separate header file. Change-Id: Iad1eb6a95467a41ecf454092808d357425c4c2fc Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/14613 Tested-by: build bot (Jenkins) Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>