hwp accessor for ATTR_PCI_OSCSWITCH_CONFIG

add hwp accessor for ATTR_PCI_OSCSWITCH_CONFIG

Change-Id: I96960f34bef3d0c0426b1f6b16f470d4d60ce1c9
RTC: 95133
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/8067
Tested-by: Jenkins Server
Reviewed-by: Brian H. Horton <brianh@linux.ibm.com>
Reviewed-by: MIKE J. JONES <mjjones@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

2 files changed, 82 insertions, 0 deletions

diff --git a/src/include/usr/hwpf/hwp/chip_accessors/getPciOscswitchConfig.H b/src/include/usr/hwpf/hwp/chip_accessors/getPciOscswitchConfig.H
new file mode 100644
index 000000000..2ac313235
--- /dev/null
+++ b/src/include/usr/hwpf/hwp/chip_accessors/getPciOscswitchConfig.H
@@ -0,0 +1,63 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/include/usr/hwpf/hwp/getPciOscswitchConfig.H $            */
+/*                                                                        */
+/* IBM CONFIDENTIAL                                                       */
+/*                                                                        */
+/* COPYRIGHT International Business Machines Corp. 2013,2014              */
+/*                                                                        */
+/* p1                                                                     */
+/*                                                                        */
+/* Object Code Only (OCO) source materials                                */
+/* Licensed Internal Code Source Materials                                */
+/* IBM HostBoot Licensed Internal Code                                    */
+/*                                                                        */
+/* The source code for this program is not published or otherwise         */
+/* divested of its trade secrets, irrespective of what has been           */
+/* deposited with the U.S. Copyright Office.                              */
+/*                                                                        */
+/* Origin: 30                                                             */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+// $Id: getPciOscswitchConfig.H,v 1.2 2014/01/15 20:03:21 whs Exp $
+/**
+ *  @file getPciOscswitchConfig.H
+ *
+ *  @brief Accessor for providing the ATTR_PCI_OSCSWITCH_CONFIG attribute
+ */
+
+#ifndef _HWP_GETPCIOSCSWITCHCONFIG_
+#define _HWP_GETPCIOSCSWITCHCONFIG_
+
+#include <fapi.H>
+
+// configuration values
+enum PciOscswitchConfigValues
+{
+    MURANO_DD1X = 0x03,
+    MURANO_DD2X = 0x0C,
+    VENICE_P0P2 = 0x09, // position 0 and 2
+    VENICE_P1P3 = 0x06, // position 1 and 3
+};
+
+// function pointer typedef definition for HWP call support
+typedef fapi::ReturnCode (*getPciOscswitchConfig_FP_t)
+    (const fapi::Target &, uint8_t &);
+
+extern "C"
+{
+/**
+ * @brief Get the ATTR_PCI_OSCSWITCH_CONFIG FAPI attribute
+ *
+ * @param[in]  i_procTarget - Reference to processor chip target
+ * @param[out] o_val        - Filled in with pci oscswitch config
+ *
+ * @return fapi::ReturnCode FAPI_RC_SUCCESS if success, else error code
+ */
+fapi::ReturnCode getPciOscswitchConfig(
+    const fapi::Target & i_procTarget,
+    uint8_t & o_val);
+}
+
+#endif
diff --git a/src/include/usr/hwpf/plat/fapiPlatAttributeService.H b/src/include/usr/hwpf/plat/fapiPlatAttributeService.H
index 8deb64e68..a06510ebf 100644
--- a/src/include/usr/hwpf/plat/fapiPlatAttributeService.H
+++ b/src/include/usr/hwpf/plat/fapiPlatAttributeService.H
@@ -667,6 +667,17 @@ fapi::ReturnCode fapiPlatGetSpdAttrAccessor (
  */
 fapi::ReturnCode fapiPlatGetL3DDAttr(const fapi::Target * i_pProcTarget,
                                      uint32_t (&o_data)[DELTA_DATA_SIZE]);
+/**
+ * @brief This function is called by the FAPI_ATTR_GET macro when getting the
+ *        ATTR_PCI_OSCSWITCH_CONFIG attribute. It should not be called
+ *        directly.
+ *
+ *  @param[in]  i_pProcTarget Processor Chip Target pointer
+ *  @param[out] o_data        Reference to output data
+ */
+fapi::ReturnCode fapiPlatGetPciOscswitchConfig
+                                     (const fapi::Target * i_pProcTarget,
+                                     uint8_t &o_val);
 
 } // namespace platAttrSvc
 
@@ -1738,4 +1749,12 @@ fapi::ReturnCode fapiPlatGetL3DDAttr(const fapi::Target * i_pProcTarget,
     fapi::AttrOverrideSync::getAttrOverrideFunc(fapi::ID, PTARGET, &VAL) ? fapi::FAPI_RC_SUCCESS : \
     fapi::platAttrSvc::fapiPlatGetL3DDAttr(PTARGET, VAL)
 
+//------------------------------------------------------------------------------
+//  MACRO to support pci osc switch config
+//------------------------------------------------------------------------------
+#define ATTR_PCI_OSCSWITCH_CONFIG_GETMACRO(ID, PTARGET, VAL) \
+    fapi::AttrOverrideSync::getAttrOverrideFunc(fapi::ID, PTARGET, &VAL) ?\
+        fapi::FAPI_RC_SUCCESS : \
+    fapi::platAttrSvc::fapiPlatGetPciOscswitchConfig(PTARGET, VAL)
+
 #endif // FAPIPLATATTRIBUTESERVICE_H_