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p9_sbe_hb_structures.H
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p9_sbe_hb_structures.H
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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/nest/p9_sbe_hb_structures.H $ */
/* */
/* OpenPOWER sbe 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 */
//------------------------------------------------------------------------------------
//
/// @file p9_sbe_hb_structures.H
/// @brief Structures that the SBE and HB will both use
//
// *HWP HWP Owner: Joshua Hannan jlhannan@us.ibm.com
// *HWP FW Owner: Thi Tran thi@us.ibm.com
// *HWP Team: Nest
// *HWP Level: 3
// *HWP Consumed by: SBE, HB
//-----------------------------------------------------------------------------------
#ifndef _SBE_HB_STRUCTURES_H_
#define _SBE_HB_STRUCTURES_H_
//-----------------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------
// Structure definitions
//-----------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------
// Constant definitions
//-----------------------------------------------------------------------------------
// Used for version checking as the BootloaderConfigData_t structure changes
enum SbeBootloaderVersion
{
// Keep initial version formatted as it was originally
INIT = 0x901,
// Later versions use format [release:2][version:2]
SAB_ADDED = 0x00090002,
MMIO_BARS_ADDED = 0x00090003,
};
union BootloaderSecureSettings
{
uint8_t data8;
struct
{
// Bit Breakdown - sync with ATTR_SECURE_SETTINGS
uint8_t reserved : 5; // reserved
uint8_t allowAttrOverrides : 1; // Allow Attribute Overrides in
// Secure Mode
uint8_t securityOverride : 1; // Security Override
uint8_t secureAccessBit : 1; // Secure Access Bit
} __attribute__((packed));
};
// Structure starts at the bootloader zero address
// Note - this structure must remain 64-bit aligned to
// maintain compatibility with Hostboot
struct BootloaderConfigData_t
{
uint32_t version; // bytes 4:7 Version field so we know if there is new data being added
uint8_t sbeBootSide; // byte 8 0=SBE side 0, 1=SBE side 1 [ATTR_SBE_BOOT_SIDE]
uint8_t pnorBootSide; // byte 9 0=PNOR side A, 1=PNOR side B [ATTR_PNOR_BOOT_SIDE]
uint16_t pnorSizeMB; // bytes 10:11 Size of PNOR in MB [ATTR_PNOR_SIZE]
uint64_t blLoadSize; // bytes 12:19 Size of Load (Exception vectors and Bootloader)
BootloaderSecureSettings secureSettings ; // byte 20
uint8_t reserved[7]; // bytes 21:27 Reserved space to maintain 64-bit alignment
uint64_t xscomBAR; // bytes 28:35 XSCOM MMIO BAR
uint64_t lpcBAR; // bytes 36:43 LPC MMIO BAR
}; // Note: Want to use '__attribute__((packed))' but compiler won't let us
#endif