Adds Exp FW version check for PHY reset

Change-Id: Ic7b96345c1d970f7cfc89855859248d13b8dfcc3
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/103108
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Mark Pizzutillo <mark.pizzutillo@ibm.com>
Reviewed-by: Louis Stermole <stermole@us.ibm.com>
Dev-Ready: STEPHEN GLANCY <sglancy@us.ibm.com>
Reviewed-by: NAREN A DEVAIAH <naren.devaiah@in.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/103130
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Nicholas E Bofferding <bofferdn@us.ibm.com>

Author: sglancy6

src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/exp_attribute_accessors_manual.H

@@ -219,6 +219,33 @@ fapi_try_exit:
     return fapi2::current_err;
 }
 
+///
+/// @brief Get the firwmare revision based upon the partition that was booted
+/// @param[in] i_target OCMB_CHIP target
+/// @param[in] o_fw_version the FW version that was booted
+/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff success, else error code
+///
+inline fapi2::ReturnCode get_booted_fw_version(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target,
+        uint32_t& o_fw_version)
+{
+    o_fw_version = 0;
+    uint32_t l_partition = 0;
+
+    FAPI_TRY(mss::attr::get_exp_fw_partition_id(i_target, l_partition));
+
+    // If we're the A-side partion, grab the A-side value
+    if(l_partition == fapi2::ENUM_ATTR_MSS_EXP_FW_PARTITION_ID_A)
+    {
+        return mss::attr::get_exp_fw_version_a(i_target, o_fw_version);
+    }
+
+    // Otherwise, return the B-side value
+    return mss::attr::get_exp_fw_version_b(i_target, o_fw_version);
+
+fapi_try_exit:
+    return fapi2::current_err;
+}
+
 } // ns mss
 
 #endif

src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/phy/exp_phy_reset.C

@@ -45,6 +45,7 @@
 #include <lib/eff_config/explorer_attr_engine_traits.H>
 #include <generic/memory/lib/data_engine/data_engine.H>
 #include <lib/phy/exp_phy_reset.H>
+#include <lib/exp_attribute_accessors_manual.H>
 
 namespace mss
 {
@@ -117,9 +118,20 @@ fapi_try_exit:
 fapi2::ReturnCode is_reset_supported( const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target,
                                       mss::states& o_is_reset_supported )
 {
-    // TODO:592 Update explorer PHY reset code when Microchip FW supports it
+    // Microchip FW does not support the PHY reset at a version of CL397559 or lower
+    constexpr uint32_t PHY_RESET_UNSUPPORTED = 397559;
+
+    // Grab the firmware revision that was booted
     o_is_reset_supported = mss::states::NO;
-    return fapi2::FAPI2_RC_SUCCESS;
+    uint32_t l_fw_revision = 0;
+    FAPI_TRY(mss::get_booted_fw_version(i_target, l_fw_revision));
+
+    // If we're at or below the unsupported value? the reset is unsupported
+    // Otherwise it's supported
+    o_is_reset_supported = l_fw_revision <= PHY_RESET_UNSUPPORTED ? mss::states::NO : mss::states::YES;
+
+fapi_try_exit:
+    return fapi2::current_err;
 }
 
 } // ns phy

src/import/chips/ocmb/explorer/procedures/xml/attribute_info/exp_attributes.xml

@@ -573,6 +573,7 @@
     </description>
     <valueType>uint32</valueType>
     <initToZero/>
+    <enum>A = 65, B = 66</enum>
     <writeable/>
     <mssAccessorName>exp_fw_partition_id</mssAccessorName>
   </attribute>