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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: import/chips/p9/common/pmlib/occlib/occhw_shared_data.h $ */
/* */
/* OpenPOWER HCODE Project */
/* */
/* COPYRIGHT 2015,2018 */
/* [+] 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 */
#ifndef __OCCHW_OSD_H__
#define __OCCHW_OSD_H__
/// \file occhw_osd.h
/// \brief Common header for shared data within the OCC complex
///
#include "kernel.h"
#include "ipc_structs.h"
#include "occhw_scom_cmd.h"
/// Hardcoded address for the location of the OCC shared data segment
/// This is placed in the non-cacheable aliased region of SRAM space
#ifndef OSD_ADDR
#define OSD_ADDR 0xf7f00000
#endif
/// Total space of the OCC shared data segment
#define OSD_TOTAL_SHARED_DATA_BYTES 4096
/// Reserve space for IPC data in case it needs to grow
#define OSD_IPC_RESERVED_BYTES 2048
/// Reserve space for Debug
#define OSD_DEBUG_RESERVED_BYTES 512
#define OSD_GPE_SCOM_ADDR (OSD_ADDR + OSD_IPC_RESERVED_BYTES + OSD_DEBUG_RESERVED_BYTES)
#define OSD_GPE_SCOM_RESERVED_BYTES 32
#define OSD_RESERVED_BYTES 1184
#define OSD_OCC_COMPLEX_SHARED_DATA_RESERVED_BYTES 320
#define OSD_OCC_COMPLEX_SHARED_DATA_ADDR (OSD_ADDR + OSD_TOTAL_SHARED_DATA_BYTES - OSD_OCC_COMPLEX_SHARED_DATA_RESERVED_BYTES)
#ifndef __ASSEMBLER__
//GPE2 knowledge of OCC SRAM region for GPE2
typedef struct gpe2_occ_sram_region_data
{
uint32_t gpe2_sram_region_start; //GPE2 sram region starting address
uint32_t gpe2_image_header_addr;
uint32_t gpe2_debug_header_addr;
uint8_t reserved[52];
} gpe2_occ_sram_region_data_t;
//GPE3 knowledge of OCC SRAM region for GPE3
typedef struct gpe3_occ_sram_region_data
{
uint32_t gpe3_sram_region_start; //GPE3 sram region starting address
uint32_t gpe3_image_header_addr;
uint32_t gpe3_debug_header_addr;
uint8_t reserved[44];
uint32_t aux_region_start;
uint32_t aux_region_length;
} gpe3_occ_sram_region_data_t;
//OCC Complex Shared Data.
typedef struct occ_comp_shr_data
{
uint8_t reserved[128]; //reserved
gpe2_occ_sram_region_data_t gpe2_data; //written by GPE2
gpe3_occ_sram_region_data_t gpe3_data; //written by GPE3
uint8_t reserved1[64]; //reserved
} occ_comp_shr_data_t;
typedef union
{
struct
{
union
{
ipc_shared_data_t ipc_data; //880 bytes
uint8_t ipc_reserved[OSD_IPC_RESERVED_BYTES];
};
union
{
//debug_shared_data_t debug_data;
uint8_t debug_reserved[OSD_DEBUG_RESERVED_BYTES];
};
union
{
occhw_scom_cmd_t scom_cmd;
uint8_t gpe_scom_reserved[OSD_GPE_SCOM_RESERVED_BYTES];
};
union
{
uint8_t reserved[OSD_RESERVED_BYTES];
};
union
{
occ_comp_shr_data_t occ_comp_shr_data;
uint8_t occ_comp_shr_sram[OSD_OCC_COMPLEX_SHARED_DATA_RESERVED_BYTES];
};
};
uint8_t total_reserved[OSD_TOTAL_SHARED_DATA_BYTES];
} occhw_osd_t;
// Fail to compile if ipc_shared_data exceeds the reserved space
KERN_STATIC_ASSERT((sizeof(ipc_shared_data_t) <= OSD_IPC_RESERVED_BYTES));
/// Hardcoded pointer for the location of the OCC shared data segment
#define OSD_PTR ((occhw_osd_t*) OSD_ADDR)
#endif /*__ASSEMBLER__*/
#endif /* __OCCHW_OSD_H__ */
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