Support VDDR enable for Firestone

- Assert GPIOs from MRW info to enable VDDR across FSP-less platforms
- Updated MRW parser to parse GPIO info from MRW
- Updated membuf selection algorithm to choose optimal set of GPIO enables
- Defaulted GPIO_INFO attribute to invalid value
- Updated GPIO device driver to use MRW i2c master path

Change-Id: I0da9e0608af3e8368217c863b2606279637711e5
RTC: 117706
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/14710
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/src/usr/gpio/gpiodd.C b/src/usr/gpio/gpiodd.C
index 4dc94650e..5b2c840e7 100644
--- a/src/usr/gpio/gpiodd.C
+++ b/src/usr/gpio/gpiodd.C
@@ -5,7 +5,7 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2014                             */
+/* Contributors Listed Below - COPYRIGHT 2014,2015                        */
 /* [+] Google Inc.                                                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
@@ -308,10 +308,7 @@ errlHndl_t gpioReadAttributes ( TARGETING::Target * i_target,
 
     if( !err )
     {
-        //TODO - RTC 109570 until the the Palmetto attribute file is setup
-        io_gpioInfo.i2cMasterPath =
-            i_target->getAttr<TARGETING::ATTR_PHYS_PATH>();
-        //io_gpioInfo.i2cMasterPath = gpioData.i2cMasterPath;
+        io_gpioInfo.i2cMasterPath = gpioData.i2cMasterPath;
         io_gpioInfo.engine        = gpioData.engine;
         io_gpioInfo.i2cPort       = gpioData.port;
         io_gpioInfo.i2cDeviceAddr = gpioData.devAddr;