Support periodic timer

This timer will be sued to toggle EI bus after every 24 hours. Change-Id: Id21af317914ddfb02d42a166bc7c0b6ce62bffdd Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/60777 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: RAJA DAS <rajadas2@in.ibm.com> Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com> (cherry picked from commit 4fe7e7c6520087ec1416e332be2b0b8ca85574d4) Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/48096
open-power · Jun 20, 2018 · 9f90433 · 9f90433
1 parent 5d80e11
commit 9f90433
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Showing 8 changed files with 69 additions and 7 deletions.
diff --git a/src/build/img_defs.mk b/src/build/img_defs.mk
@@ -135,6 +135,10 @@ ifndef NEST_SRCDIR
 export NEST_SRCDIR = $(IMPORT_SRCDIR)/chips/p9/procedures/hwp/nest
 endif
 
+ifndef IO_SRCDIR
+export IO_SRCDIR = $(IMPORT_SRCDIR)/chips/p9/procedures/hwp/io
+endif
+
 ifndef PM_SRCDIR
 export PM_SRCDIR = $(IMPORT_SRCDIR)/chips/p9/procedures/hwp/pm
 endif
@@ -184,7 +188,7 @@ export P9_XIP_BINDIR = $(BASE_OBJDIR)/xip
 endif
 
 ifndef IMG_INCLUDES
-export IMG_INCLUDES = -I$(IMAGEPROCS_COMMON_SRCDIR) -I$(IMAGEPROCS_P9_SRCDIR) -I$(IMAGEPROCS_CEN_SRCDIR) -I$(P9_XIP_SRCDIR) -I$(BUILD_DIR) -I$(CACHE_SRCDIR) -I$(UTILS_SRCDIR) -I$(CORE_SRCDIR) -I$(PERV_SRCDIR) -I$(NEST_SRCDIR) -I$(PM_SRCDIR) -I$(INITFILES_SRCDIR) -I$(HWPLIB_SRCDIR) -I$(HWPFFDC_SRCDIR)
+export IMG_INCLUDES = -I$(IMAGEPROCS_COMMON_SRCDIR) -I$(IMAGEPROCS_P9_SRCDIR) -I$(IMAGEPROCS_CEN_SRCDIR) -I$(P9_XIP_SRCDIR) -I$(BUILD_DIR) -I$(CACHE_SRCDIR) -I$(UTILS_SRCDIR) -I$(CORE_SRCDIR) -I$(PERV_SRCDIR) -I$(NEST_SRCDIR)  -I$(IO_SRCDIR) -I$(PM_SRCDIR) -I$(INITFILES_SRCDIR) -I$(HWPLIB_SRCDIR) -I$(HWPFFDC_SRCDIR)
 endif
 
 ifndef BOOT_OBJDIR
@@ -378,6 +382,7 @@ GCC-DEFS += -DPLAT_NO_THREAD_LOCAL_STORAGE=1
 # disable assert
 GCC-DEFS += -DNDEBUG
 GCC-DEFS += -DHOST_INTERFACE_AVAILABLE=$(HOST_INTERFACE_AVAILABLE)
+GCC-DEFS += -DPERIODIC_IO_TOGGLE_SUPPORTED=$(PERIODIC_IO_TOGGLE_SUPPORTED)
 
 # use the default settings in the code unless a size is defined
 ifdef PK_TRACE_SZ

diff --git a/src/build/import_hwp_mk/power/istepmpipl/Makefile b/src/build/import_hwp_mk/power/istepmpipl/Makefile
@@ -31,7 +31,7 @@ export SUB_OBJDIR = /$(IMPORT_OBJDIR)/istepmpipl
 include img_defs.mk
 include istepmpiplfiles.mk
 
-export VPATH = $(PERV_SRCDIR):$(NEST_SRCDIR):$(CACHE_SRCDIR):$(CORE_SRCDIR):$(PM_SRCDIR):$(INITFILES_SRCDIR):$(HWPLIB_SRCDIR)
+export VPATH = $(PERV_SRCDIR):$(NEST_SRCDIR):$(IO_SRCDIR):$(CACHE_SRCDIR):$(CORE_SRCDIR):$(PM_SRCDIR):$(INITFILES_SRCDIR):$(HWPLIB_SRCDIR)
 
 OBJSISTEPMPIPL := $(addprefix $(OBJDIR-ISTEPMPIPL)/, $(ISTEPMPIPL_OBJECTS))
 

diff --git a/src/build/import_hwp_mk/power/istepmpipl/istepmpiplfiles.mk b/src/build/import_hwp_mk/power/istepmpipl/istepmpiplfiles.mk
@@ -58,6 +58,8 @@ ISTEPMPIPL-CPP-SOURCES +=p9_query_cache_access_state.C
 ISTEPMPIPL-CPP-SOURCES += p9_sbe_fastarray_abist_catchup.C
 ISTEPMPIPL-CPP-SOURCES += p9_sbe_fastarray_cleanup.C
 ISTEPMPIPL-CPP-SOURCES += p9_sbe_fastarray_setup.C
+# io eol toggle procedure moved here to locate it on seeprom
+ISTEPMPIPL-CPP-SOURCES += p9_sbe_io_eol_toggle.C
 ISTEPMPIPL-C-SOURCES =
 ISTEPMPIPL-S-SOURCES =
 

diff --git a/src/build/power_defs.mk b/src/build/power_defs.mk
@@ -33,6 +33,7 @@ SBE_TRACE_LEVEL_DEF = 2
 FAPI_TRACE_LEVEL_DEF = 2
 
 HOST_INTERFACE_AVAILABLE = 1
+PERIODIC_IO_TOGGLE_SUPPORTED = 1
 
 export SBE_S0_SUPPORT = 1
 

diff --git a/src/sbefw/core/sbe_sp_intf.H b/src/sbefw/core/sbe_sp_intf.H
@@ -225,6 +225,7 @@ enum sbeSecondaryResponse
     SBE_SEC_S0_START_MPIPL_FAILED             = 0x24,
     SBE_SEC_S0_STOP_CLOCK_FAILED              = 0x25,
     SBE_SEC_S0_CONTINUE_MPIPL_FAILED          = 0x26,
+    SBE_SEC_PERIODIC_IO_TOGGLE_FAILED         = 0x27,
 };
 
 /**

diff --git a/src/sbefw/core/sbecmdprocessor.C b/src/sbefw/core/sbecmdprocessor.C
@@ -48,11 +48,18 @@
 #include "sbeglobals.H"
 #include "core/chipop_handler.H"
 #include "core/ipl.H"
+#include "sbeFFDC.H"
 
 #ifdef _S0_
 #include "sbes0handler.H"
 #endif
 
+#if PERIODIC_IO_TOGGLE_SUPPORTED
+#include "p9_sbe_io_eol_toggle.H"
+#endif
+
+const uint32_t PERIODIC_TIMER_INTERVAL_MS = 24*60*60*1000; // 24 hours
+
 using namespace fapi2;
 
 // Forward declaration for performAttrSetup
@@ -418,18 +425,45 @@ void sbeSyncCommandProcessor_routine(void *i_pArg)
 #endif
     } while(true); // Thread always exists
     SBE_EXIT(SBE_FUNC);
+    #undef SBE_FUNC
 }
 
 //////////////////////////////////////////////////////
 //////////////////////////////////////////////////////
 void sbeAsyncCommandProcessor_routine(void *arg)
 {
-    SBE_INFO("sbeAsyncCommandProcessor Thread started");
-
+    #define SBE_FUNC "sbeAsyncCommandProcessor"
+    SBE_INFO(SBE_FUNC " Thread started");
+    #if PERIODIC_IO_TOGGLE_SUPPORTED
     do
     {
-        //  @TODO RTC via : 130392
-        //        Add infrastructure for host interface
+        // Since currently there is only one async job
+        // - IO EOL toggle, this task runs every
+        // PERIODIC_TIMER_INTERVAL_MS and performs the
+        // operation. Modify this implementation by introducing job
+        // queue, if there are more asynchronous jobs.
+        int l_rcPk = pk_semaphore_pend (
+                    &SBE_GLOBAL->sbeSemAsyncProcess,
+                    PK_MILLISECONDS(PERIODIC_TIMER_INTERVAL_MS));
+        // PK API failure
+        if ((-l_rcPk) != PK_SEMAPHORE_PEND_TIMED_OUT)
+        {
+            SBE_ERROR(SBE_FUNC" pk_semaphore_pend failed, "
+                          "l_rcPk=-%04x", -l_rcPk );
+            // Ignore the failure
+        }
 
-    } while(0);
+        ReturnCode rc = FAPI2_RC_SUCCESS;
+        Target<TARGET_TYPE_PROC_CHIP > proc = plat_getChipTarget();
+        SBE_EXEC_HWP(rc, p9_sbe_io_eol_toggle, proc)
+        if (rc != FAPI2_RC_SUCCESS)
+        {
+            SBE_ERROR(SBE_FUNC " p9_sbe_io_eol_toggle failed");
+            // SBE async ffdc
+            captureAsyncFFDC(SBE_PRI_GENERIC_EXECUTION_FAILURE,
+                             SBE_SEC_PERIODIC_IO_TOGGLE_FAILED);
+        }
+    } while(1);
+    #endif // PERIODIC_IO_TOGGLE_SUPPORTED
+    #undef SBE_FUNC
 }
diff --git a/src/sbefw/core/sbeglobals.H b/src/sbefw/core/sbeglobals.H
@@ -76,6 +76,15 @@ class SBEGlobalsSingleton
          *
          */
         PkSemaphore sbeSemCmdProcess;
+
+        /**
+         * @brief Global semaphore for async task
+         *
+         *   This is used to send invoke commands on Async process
+         *
+         */
+        PkSemaphore sbeSemAsyncProcess;
+
         sbeRole SBERole;
         // SBE Frequency. Initially nest frequency is 133 MHZ
         uint32_t sbefreq;
@@ -138,6 +147,7 @@ class SBEGlobalsSingleton
             sbeIntrSource(),
             sbeSemCmdRecv(),
             sbeSemCmdProcess(),
+            sbeSemAsyncProcess(),
             SBERole(SBE_ROLE_MASTER),
             sbefreq(( 133 * 1000 * 1000)/SBE::SBE_TO_NEST_FREQ_FACTOR),
             sbeFWSecurityEnabled(1)

diff --git a/src/sbefw/core/sbemain.C b/src/sbefw/core/sbemain.C
@@ -49,6 +49,9 @@
 // Max defines for Semaphores
 static uint32_t MAX_SEMAPHORE_COUNT = 3;
 
+// As periodic timer expire in 24 hours count should never
+// be more than 1.
+static uint32_t MAX_PERIODIC_TIMER_SEMAPHORE_COUNT = 1;
 extern "C"
 {
 // These variables are declared in linker script to keep track of
@@ -119,6 +122,12 @@ uint32_t sbeInitSems(void)
         {
             break;
         }
+        l_rc = pk_semaphore_create(&SBE_GLOBAL->sbeSemAsyncProcess, 0,
+                                         MAX_PERIODIC_TIMER_SEMAPHORE_COUNT);
+        if (l_rc)
+        {
+            break;
+        }
     } while (false);
 
     if (l_rc)