Memory Power Control when entering and exiting IPS (Idle Power Save)

memory power control settings for IPS/default modes - as defined by
memory config data packet version 0x21 - are applied to memory
power control registers of all configured ports whenever the OCC
enters/exits IPS, respectively.

Change-Id: I56514bb8cbab80c6d4877edc74db96f3b011e523
RTC: 165546
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/38294
Reviewed-by: Martha Broyles <mbroyles@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christopher J. Cain <cjcain@us.ibm.com>
Reviewed-by: Wael El-Essawy <welessa@us.ibm.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/common/mem_structs.h b/src/common/mem_structs.h
new file mode 100644
index 0000000..a7d266e
--- /dev/null
+++ b/src/common/mem_structs.h
@@ -0,0 +1,55 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/dimm_structs.h $                                          */
+/*                                                                        */
+/* OpenPOWER OnChipController Project                                     */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2016                             */
+/* [+] 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 _MEM_STRUCTS_H
+#define _MEM_STRUCTS_H
+
+#include "occ_util.h"
+#include <gpe_export.h>
+#include "gpe_err.h"
+
+// this enum defines memory power control
+typedef enum
+{
+    MEM_PWR_CTL_OFF                  = 0x00,
+    MEM_PWR_CTL_POWER_DOWN           = 0x01,
+    MEM_PWR_CTL_PD_AND_STR           = 0x02,
+    MEM_PWR_CTL_PD_AND_STR_CLK_STOP  = 0x03,
+    MEM_PWR_CTL_NO_SUPPORT           = 0xFF,
+} eMemoryPowerControlSetting;
+
+// memory power control IPC argument
+typedef struct
+{
+    GpeErrorStruct    error;
+    uint8_t           mem_pwr_ctl;
+    uint8_t           port;
+    uint8_t           mc;
+} mem_power_control_args_t;
+
+#endif  //_MEM_STRUCTS_H