VPD Write

Enable SPD writes and send a message to the FSP to update
 the real VPD.

Change-Id: Ia398a49b4b5e2505c3ac25176cf37a5a0fc28111
RTC: 41365
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/2549
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Tested-by: Jenkins Server

3 files changed, 78 insertions, 1 deletions

diff --git a/src/include/usr/mbox/mbox_queues.H b/src/include/usr/mbox/mbox_queues.H
index bb8b9e2b3..1941aec1b 100644
--- a/src/include/usr/mbox/mbox_queues.H
+++ b/src/include/usr/mbox/mbox_queues.H
@@ -57,8 +57,10 @@ namespace MBOX
         FSP_ERROR_MSGQ          = 0x80000004,
         IPL_SERVICE_QUEUE       = 0x80000008, // Defined by Fsp team
         FSP_ATTR_SYNC_MSGQ      = 0x80000009,
-        FSP_HWPF_ATTR_MSGQ      = 0x8000000b, // HWPF Attribute override/sync
+        FSP_HWPF_ATTR_MSGQ      = 0x8000000B, // HWPF Attribute override/sync
+        FSP_VPD_MSGQ            = 0x8000000C,
         // Add FSP services here:
+
         FSP_ECHO_MSGQ = 0xFFFFFFFF,     // Fake FSP for test
     };
 
diff --git a/src/include/usr/spd/spdenums.H b/src/include/usr/spd/spdenums.H
index 2c2d6582a..09178c96f 100644
--- a/src/include/usr/spd/spdenums.H
+++ b/src/include/usr/spd/spdenums.H
@@ -30,6 +30,8 @@
 #ifndef __SPDENUMS_H
 #define __SPDENUMS_H
 
+#include <mbox/mbox_queues.H>
+
 namespace SPD
 {
 
@@ -258,6 +260,45 @@ enum
     INVALID_SPD_KEYWORD                 = 0xFFFF,
 };
 
+/**
+ * @brief VPD Message Types 
+ */
+enum VPD_MSG_TYPE
+{
+    VPD_WRITE_DIMM    = 0x00C1, //< DIMM SPD
+    VPD_WRITE_PROC    = 0x00C2, //< Processor MVPD
+    VPD_WRITE_MEMBUF  = 0x00C3, //< Centaur FRU VPD
+};
+
+/**
+ * @brief Message definition for VPD Write Request
+ *
+ * - data0 : 
+ *   - [16] VPD Record Number
+ *   - [32] 4-byte ASCII String for record name
+ *          'XXXX'=Entire VPD section from PNOR
+ *   - [16] 2-byte ASCII String for keyword or offset into SPD
+ *          'XX'=Entire VPD record
+ * - data1 : 
+ *   - [64] Size of binary data in bytes
+ * - extra data : Binary VPD Data
+ */
+union VpdWriteMsg_t
+{
+    uint64_t data0;
+    struct
+    {
+        uint16_t rec_num;     //< VPD_REC_NUM
+        char record[4];       //< ASCII Record Name
+        union
+        {
+            char keyword[2];  //< ASCII Keyword (for IBM VPD)
+            uint16_t offset;  //< Offset into record in bytes (for DIMM SPD)
+        };
+    } PACKED;
+};
+
+
 };  // end SPD
 
 #endif
diff --git a/src/include/usr/spd/spdif.H b/src/include/usr/spd/spdif.H
index c56a8dabf..41bd94ffc 100644
--- a/src/include/usr/spd/spdif.H
+++ b/src/include/usr/spd/spdif.H
@@ -83,6 +83,40 @@ errlHndl_t readPNOR ( uint64_t i_byteAddr,
                       uint64_t &io_cachedAddr,
                       mutex_t * i_mutex );
 
+/**
+ * @brief This function will write the PNOR at the correct offset and number
+ *      of bytes for the keyword requested.
+ *
+ * @param[in] i_byteAddr - The offset to access in the PNOR.
+ *
+ * @param[in] i_numBytes - The number of bytes to write.
+ *
+ * @param[in] i_data - The data buffer of the data to be written.
+ *
+ * @param[in] i_target - The chip target to access the data for.
+ *
+ * @param[in] i_pnorInfo - Information about the PNOR section and side that we
+ *      need to know to make the request.
+ *
+ * @param[in/out] io_cachedAddr - The address offset to the data chunk in
+ *      PNOR.
+ *
+ * @param[in] i_mutex - The mutex to lock/unlock while setting io_isAddrCached
+ *      and io_cachedAddr.  It is assumed that those parameters are global
+ *      variables in the code where they reside.
+ *
+ * @return errlHndl_t - NULL if successful, otherwise a pointer to the error
+ *      log.
+ */
+errlHndl_t writePNOR ( uint64_t i_byteAddr,
+                       size_t i_numBytes,
+                       void * i_data,
+                       TARGETING::Target * i_target,
+                       pnorInformation & i_pnorInfo,
+                       uint64_t &io_cachedAddr,
+                       mutex_t * i_mutex );
+
+
 };  // end SPD
 
 #endif