OCC DMA Support

Added support to get LIDs from either PNOR Ext Img or through
mailbox DMA from FSP.  The Extended Image path is fully tested,
however the mailbox DMA code can't be tested until FSP support
is available.  The OCC function will be enabled with RTC 50987.

Change-Id: I798ea19b2ca566288ff4ce64ce7440de20703496
RTC: 51076
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3845
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 72 insertions, 6 deletions

diff --git a/src/usr/hwpf/hwp/occ/occ.C b/src/usr/hwpf/hwp/occ/occ.C
index 07a270cbe..2d42091c1 100644
--- a/src/usr/hwpf/hwp/occ/occ.C
+++ b/src/usr/hwpf/hwp/occ/occ.C
@@ -28,7 +28,7 @@
 
 #include    <devicefw/userif.H>
 #include    <sys/misc.h>
-#include    <sys/mm.h>
+#include    <sys/mmio.h>
 #include    <vmmconst.h>
 
 //  targeting support
@@ -41,6 +41,9 @@
 #include    <hwpf/plat/fapiPlatTrace.H>
 #include    <hwpf/hwpf_reasoncodes.H>
 
+#include    <vfs/vfs.H> 
+#include    <util/utillidmgr.H>
+
 // Procedures
 #include <p8_pba_init.H>
 #include <p8_occ_control.H>
@@ -50,19 +53,81 @@
 
 extern trace_desc_t* g_fapiTd;
 
+const uint32_t g_OCCLIDID = 0x81e00430;
+
 namespace OCC
 {
 
     errlHndl_t loadOCCImageToHomer(uint64_t i_homer_addr )
     {
         errlHndl_t  l_errl  =   NULL;
+        void* mapped_homer = NULL;
 
+        size_t lidSize = 0;
         do {
-            //RTC: 51076 - Implement DMA message passing to
-            //  get OCC image from FSP.
+            UtilLidMgr lidMgr(g_OCCLIDID);
+
+            l_errl = lidMgr.getLidSize(lidSize);
+            if(l_errl)
+            {
+                TRACFCOMP( g_fapiImpTd,
+                           ERR_MRK"loadOCCImageToHomer: Error getting lid size.  lidId=0x%.8x",
+                           g_OCCLIDID);
+                break;
+            }
+
+            //Map homer into virtual memory
+            mapped_homer =
+              mmio_dev_map(reinterpret_cast<void*>(i_homer_addr), THIRTYTWO_MB);
+
+            l_errl = lidMgr.getLid(mapped_homer, lidSize);
+            if(l_errl)
+            {
+                TRACFCOMP( g_fapiImpTd,
+                           ERR_MRK"loadOCCImageToHomer: Error getting lid..  lidId=0x%.8x",
+                           g_OCCLIDID);
+                break;
+            }
 
         }while(0);
 
+        if(mapped_homer)
+        {
+            int rc = 0;
+            errlHndl_t  l_tmpErrl  =   NULL;
+            rc =  mmio_dev_unmap(mapped_homer);
+            if (rc != 0)
+            {
+                /*@
+                 * @errortype
+                 * @moduleid     fapi::MOD_OCC_LOAD_OCC_IMAGE_TO_HOMER
+                 * @reasoncode   fapi::RC_MMIO_UNMAP_ERR
+                 * @userdata1    Return Code
+                 * @userdata2    Unmap address
+                 * @devdesc      mmio_dev_unmap() returns error
+                 */
+                l_tmpErrl =
+                  new ERRORLOG::ErrlEntry(
+                                          ERRORLOG::ERRL_SEV_UNRECOVERABLE,
+                                          fapi::MOD_OCC_LOAD_OCC_IMAGE_TO_HOMER,
+                                          fapi::RC_MMIO_UNMAP_ERR,
+                                          rc,
+                                          reinterpret_cast<uint64_t>
+                                          (mapped_homer));
+                if(l_tmpErrl)
+                {
+                    if(l_errl)
+                    {
+                        errlCommit( l_tmpErrl, HWPF_COMP_ID );
+                    }
+                    else
+                    {
+                        l_errl = l_tmpErrl;
+                    }
+                }
+            }
+        }
+
         return l_errl;
     }
 
@@ -79,8 +144,9 @@ namespace OCC
         do {
 
             // cast OUR type of target to a FAPI type of target.
-            const fapi::Target l_fapiTarg(fapi::TARGET_TYPE_PROC_CHIP,
-                                          (const_cast<TARGETING::Target*>(i_target)));
+            const fapi::Target
+              l_fapiTarg(fapi::TARGET_TYPE_PROC_CHIP,
+                         (const_cast<TARGETING::Target*>(i_target)));
 
 
             //==============================
@@ -129,7 +195,7 @@ namespace OCC
                 break;
             }
 
-            //TODO: This flow needs to be updated along with procedure refresh
+           //TODO: This flow needs to be updated along with procedure refresh
             //RTC: 68461
             // Config path
             // p8_pm_init.C enum: PM_CONFIG