tree 970f75ae75c4b7785e6d0e99c3d4b715523dc564
parent 5d3072030ac6ad017a25ff0fa4bc451fa8b65ed8
author Kyösti Mälkki <kyosti.malkki@gmail.com> 1379201813 +0000
committer Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> 1379201813 +0000

Introduce enable_flash_ich_fwh_decode()

ICH2 (and C-ICH)/3/4/5 also have FWH_SEL1/2 registers but at
different addresses. In preparation for implementing fwh_idsel
parsing for older ICH chipsets extract the parameter handling
and add variables for the offsets.

While FWH_DEC_EN1 is a 16bit register for ICH6, it is two separate
8bit registers on ICH5 and earlier. Implement all accesses with two
byte instructions instead, to prepare for extended support.

Corresponding to flashrom svn r1746.

Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>