tree 3c75947eb18eb60bb19ca28929e554ecd3e166bc
parent e357524b91c3b840e4adf5745ee12f9921fe8ae1
author Lee Leahy <leroy.p.leahy@intel.com> 1409344739 -0700
committer chrome-internal-fetch <chrome-internal-fetch@google.com> 1412973460 +0000

Add table driven way to add platform specific reg_script routines

Extend lib/reg_script.c to use a platform table to declare
additional platform specific register access routine functions.
REG_SCRIPT_TYPE_PLATFORM_BASE is the starting value for platform
specific register types.  Additional register access types may be
defined above this value.  The type and access routines are placed
into reg_script_type_table.

The Baytrail type value for IOSF was left the enumeration since it
was already defined and is being used for Braswell.

BUG=None
TEST=Use the following steps to test:
1.  Build for a Baytrail platform
2.  Build for the Samus platform
3.  Add a platform_bus_table routine to a platform which returns the
    address of an array of reg_script_bus_entry structures and the
    number of entries in the array.

Change-Id: I7cd37abc5a08cadb3166d4048f65b919b86ab5db
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/215645
Reviewed-by: Aaron Durbin <adurbin@chromium.org>