Move pcie power off prior to starting PCIe clocks

This commit moves pcie power off prior to starting PCIe clocks.
It also created i2cResetMaster() function to be called before
SBE Update in istep 9.

Change-Id: I330a5cabf1e778c1354aa3d93d4dedfded7bf013
CQ: SW276751
Backport: release-fips820
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/13235
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: Dean Sanner <dsanner@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 28 insertions, 1 deletions

diff --git a/src/include/usr/i2c/i2cif.H b/src/include/usr/i2c/i2cif.H
index 422d024cd..ac28686b8 100644
--- a/src/include/usr/i2c/i2cif.H
+++ b/src/include/usr/i2c/i2cif.H
@@ -5,7 +5,9 @@
 /*                                                                        */
 /* OpenPOWER HostBoot Project                                             */
 /*                                                                        */
-/* COPYRIGHT International Business Machines Corp. 2012,2014              */
+/* Contributors Listed Below - COPYRIGHT 2012,2014                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
 /*                                                                        */
 /* Licensed under the Apache License, Version 2.0 (the "License");        */
 /* you may not use this file except in compliance with the License.       */
@@ -37,6 +39,31 @@ namespace I2C
  */
 errlHndl_t i2cSetupMasters ( void );
 
+
+/**
+* @enum i2cResetType
+*
+* @brief I2C Reset Type specifies what is reset when i2cResetMasters() is called
+*        @todo RTC 115832 - additional enums will be added
+*
+*/
+enum i2cResetType
+{
+    I2C_RESET_INVALID                   = 0x00,
+    I2C_RESET_PROC_HOST                 = 0x01, // Only Host (not FSI)
+};
+
+/**
+ * @brief This function will handle everything required to reset various
+ *        I2C master engines.
+ *
+ * @param[in] i_resetType - Specfies which I2C master engines to reset
+ *
+ * @return errlHndl_t - Null if successful, otherwise a pointer to
+ *      the error log.
+ */
+errlHndl_t i2cResetMasters ( i2cResetType i_resetType );
+
 };  // end namespace I2C
 
 #endif  // end __I2CIF_H