From 5eee371fba7be9298ed9a3f17170d59660d8a92c Mon Sep 17 00:00:00 2001
From: Josh Rispoli <jprispol@us.ibm.com>
Date: Fri, 14 Nov 2014 14:06:02 -0600
Subject: Add calls to reset I2C buses in isteps

Added i2c bus reset (force i2c reset) to isteps 6.3 and 6.12.

Change-Id: I35a95b4fdf6c045906f3620262c23ef4ec2baef2
RTC:116374
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/14493
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
---
 src/include/usr/i2c/i2cif.H            | 21 ++++++++++++---------
 src/usr/hwas/hostbootIstep.C           | 26 +++++++++++++++++++++++---
 src/usr/hwpf/hwp/slave_sbe/slave_sbe.C |  9 +++++++++
 src/usr/i2c/i2c.C                      |  7 ++-----
 4 files changed, 46 insertions(+), 17 deletions(-)

(limited to 'src')

diff --git a/src/include/usr/i2c/i2cif.H b/src/include/usr/i2c/i2cif.H
index ac28686b8..f0eb6d313 100644
--- a/src/include/usr/i2c/i2cif.H
+++ b/src/include/usr/i2c/i2cif.H
@@ -39,18 +39,21 @@ 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
+ *
+ * @brief I2C Reset Type specifies what is reset when i2cResetMasters() is called
+ */
 enum i2cResetType
 {
-    I2C_RESET_INVALID                   = 0x00,
-    I2C_RESET_PROC_HOST                 = 0x01, // Only Host (not FSI)
+    I2C_RESET_INVALID,
+    I2C_RESET_ALL,
+    I2C_RESET_PROC_ALL,
+    I2C_RESET_PROC_FSI,
+    I2C_RESET_PROC_HOST,
+    I2C_RESET_MEMBUF_ALL,
+    I2C_RESET_MEMBUF_FSI,
+    I2c_RESET_MEMBUF_HOST
 };
 
 /**
diff --git a/src/usr/hwas/hostbootIstep.C b/src/usr/hwas/hostbootIstep.C
index 6c33c0a7c..77759c72a 100644
--- a/src/usr/hwas/hostbootIstep.C
+++ b/src/usr/hwas/hostbootIstep.C
@@ -47,6 +47,8 @@
 #include <intr/interrupt.H>
 #include <ibscom/ibscomif.H>
 
+#include <i2c/i2cif.H>
+
 #include <sbe/sbeif.H>
 #include <sbe_update.H>
 
@@ -81,13 +83,31 @@ using namespace ISTEP_ERROR;
 //******************************************************************************
 void* host_init_fsi( void *io_pArgs )
 {
+    errlHndl_t l_errl = NULL;
+
     TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_init_fsi entry" );
+    do
+    {
+        l_errl = FSI::initializeHardware( );
+        if (l_errl)
+        {
+            break;
+        }
 
-    errlHndl_t errl = FSI::initializeHardware( );
 
-    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_init_fsi exit" );
+        //@TODO RTC:116439
+        /*
+        l_errl = I2C::i2cResetMasters(I2C::I2C_RESET_PROC_ALL);
+        if (l_errl)
+        {
+            break;
+        }
+        */
 
-    return errl;
+    } while (0);
+
+    TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_init_fsi exit" );
+    return l_errl;
 }
 
 //******************************************************************************
diff --git a/src/usr/hwpf/hwp/slave_sbe/slave_sbe.C b/src/usr/hwpf/hwp/slave_sbe/slave_sbe.C
index 9842d31da..696697345 100644
--- a/src/usr/hwpf/hwp/slave_sbe/slave_sbe.C
+++ b/src/usr/hwpf/hwp/slave_sbe/slave_sbe.C
@@ -44,6 +44,7 @@
 #include <initservice/initsvcreasoncodes.H>
 #include <sys/time.h>
 #include <devicefw/userif.H>
+#include <i2c/i2cif.H>
 
 //  targeting support
 #include <targeting/common/commontargeting.H>
@@ -441,6 +442,14 @@ void* call_proc_check_slave_sbe_seeprom_complete( void *io_pArgs )
         }
     }   // endfor
 
+    l_errl = I2C::i2cResetMasters(I2C::I2C_RESET_PROC_ALL);
+
+    if (l_errl)
+    {
+        // Commit error
+        errlCommit( l_errl, HWPF_COMP_ID );
+    }
+
     TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
               "call_proc_check_slave_sbe_seeprom_complete exit");
 
diff --git a/src/usr/i2c/i2c.C b/src/usr/i2c/i2c.C
index 13d1b7c1b..50aef65e2 100755
--- a/src/usr/i2c/i2c.C
+++ b/src/usr/i2c/i2c.C
@@ -2378,9 +2378,8 @@ errlHndl_t i2cResetMasters ( i2cResetType i_resetType )
                 // Now reset the engine/bus
                 if ( error_found == false )
                 {
-                    err = i2cReset ( procList[proc],
-                                     io_args);
-
+                    err = i2cReset ( procList[proc], io_args,
+                                    FORCE_UNLOCK_RESET);
                     if( err )
                     {
                         TRACFCOMP( g_trac_i2c,
@@ -2420,8 +2419,6 @@ errlHndl_t i2cResetMasters ( i2cResetType i_resetType )
     return err;
 }
 
-
-
 // ------------------------------------------------------------------
 //  i2cRegisterOp
 // ------------------------------------------------------------------
-- 
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