Initial 405 GPU support

Change-Id: I6e957ca1aa643d257274e99957df5b15ac8c889b
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/44254
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: William A. Bryan <wilbryan@us.ibm.com>

3 files changed, 91 insertions, 2 deletions

diff --git a/src/common/gpe_err.h b/src/common/gpe_err.h
index c4e9371..8580012 100644
--- a/src/common/gpe_err.h
+++ b/src/common/gpe_err.h
@@ -1,11 +1,11 @@
 /* IBM_PROLOG_BEGIN_TAG                                                   */
 /* This is an automatically generated prolog.                             */
 /*                                                                        */
-/* $Source: src/gpe_err.h $                                               */
+/* $Source: src/common/gpe_err.h $                                        */
 /*                                                                        */
 /* OpenPOWER OnChipController Project                                     */
 /*                                                                        */
-/* Contributors Listed Below - COPYRIGHT 2011,2016                        */
+/* Contributors Listed Below - COPYRIGHT 2011,2017                        */
 /* [+] International Business Machines Corp.                              */
 /*                                                                        */
 /*                                                                        */
@@ -50,5 +50,7 @@
 #define GPE_RC_GET_CORE_DATA_FAILED  0x60     // Failed to collect core data
 #define GPE_RC_GET_NEST_DTS_FAILED   0x61     // Failed to collect nest DTS temperatures
 
+// GPU Errors
+#define GPE_RC_NO_GPU_SUPPORT        0x8F     // GPE1 image doesn't support GPUs
 
 #endif //_GPE_ERR_H
diff --git a/src/common/gpu_structs.h b/src/common/gpu_structs.h
new file mode 100644
index 0000000..03c8e06
--- /dev/null
+++ b/src/common/gpu_structs.h
@@ -0,0 +1,86 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/common/gpu_structs.h $                                    */
+/*                                                                        */
+/* OpenPOWER OnChipController Project                                     */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2016,2017                        */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* Licensed under the Apache License, Version 2.0 (the "License");        */
+/* you may not use this file except in compliance with the License.       */
+/* You may obtain a copy of the License at                                */
+/*                                                                        */
+/*     http://www.apache.org/licenses/LICENSE-2.0                         */
+/*                                                                        */
+/* Unless required by applicable law or agreed to in writing, software    */
+/* distributed under the License is distributed on an "AS IS" BASIS,      */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
+/* implied. See the License for the specific language governing           */
+/* permissions and limitations under the License.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+
+/* This header file is used by both occ_405 and occ_gpe1.                 */
+/* Contains common structures and globals.                                */
+
+#ifndef _GPU_STRUCTS_H
+#define _GPU_STRUCTS_H
+
+#include "occ_util.h"
+#include <gpe_export.h>
+#include "gpe_err.h"
+
+#define MAX_GPUS 3
+
+#define GPU_RESET_REQ_MASTER        1
+#define GPU_RESET_REQ_SLV           2
+#define GPU_RESET_REQ_SLV_COMPLETE  3
+
+typedef enum
+{
+    ID_GPU0 = 0x00,
+    ID_GPU1 = 0x01,
+    ID_GPU2 = 0x02,
+    ID_ALL_GPUS = 0xFF
+} GPU_ID;
+
+typedef enum
+{
+    GPU_STATE_PRESENT = 0x00000001,
+    GPU_STATE_FAILED  = 0x80000000,
+} GPU_STATE;
+
+// GPU Request Operations
+typedef enum
+{
+    GPU_REQ_INIT                        = 0x01, // Init interrupt registers
+    GPU_REQ_READ_CAPS_START             = 0x02, // Start reading capabilities
+    GPU_REQ_READ_CAPS_STOP              = 0x03,
+    GPU_REQ_READ_CAPS                   = 0x04,
+    GPU_REQ_READ_TEMP_SIMPLE_START      = 0x05, // Start reading GPU information
+    GPU_REQ_READ_TEMP_SIMPLE_STOP       = 0x06, // Read GPU temp register
+    GPU_REQ_READ_TEMP_SIMPLE            = 0x07, // Start reading GPU temperature
+    GPU_REQ_READ_TEMP_START             = 0x08, // Start reading GPU information
+    GPU_REQ_READ_TEMP_STOP              = 0x09, // Read GPU temp register
+    GPU_REQ_READ_TEMP                   = 0x0A, // Start reading GPU temperature
+    GPU_REQ_READ_PWR_LIMIT_START        = 0x0B, // Start reading GPU information
+    GPU_REQ_READ_PWR_LIMIT_STOP         = 0x0C, // Read GPU temp register
+    GPU_REQ_READ_PWR_LIMIT              = 0x0D, // Start reading pwr limit
+    GPU_REQ_RESET                       = 0x60, // Reset
+} gpu_op_req_e;
+
+// GPU arguments
+typedef struct
+{
+  GpeErrorStruct error;
+  uint8_t gpu_id;
+  uint8_t operation;
+  uint32_t data[MAX_GPUS];
+} gpu_sm_args_t;
+
+
+#endif // _GPU_STRUCTS_H
+
diff --git a/src/common/ipc_func_ids.h b/src/common/ipc_func_ids.h
index 3f759a5..9d3dd33 100644
--- a/src/common/ipc_func_ids.h
+++ b/src/common/ipc_func_ids.h
@@ -72,6 +72,7 @@ IPC_FUNCIDS_TABLE_START
         IPC_FUNC_ID(IPC_ST_RESET_MEM_DEADMAN)
         IPC_FUNC_ID(IPC_ST_24_X_7_FUNCID)
         IPC_FUNC_ID(IPC_ST_MEM_POWER_CONTROL_FUNCID)
+        IPC_FUNC_ID(IPC_ST_GPU_SM_FUNCID)
     IPC_FUNCIDS_ST_END(OCCHW_INST_ID_GPE1)
 
     //Functions that are only supported by GPE2 should be defined here