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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/arch/memorymap.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2017,2019 */
/* [+] 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 _MEMORYMAP_H
#define _MEMORYMAP_H
#include <limits.h>
/**
* Collection of constants and utility functions related to the
* static memory map defined for the POWER9 family of processors.
*/
/**
* @brief Static offsets into other chips
*/
constexpr uint64_t MMIO_OFFSET_PER_CHIP = (4*TERABYTE); //0x40000000000
constexpr uint64_t MMIO_OFFSET_PER_GROUP = (32*TERABYTE); //0x200000000000
constexpr uint64_t MMIO_BASE = 0x6000000000000;
/**
* @brief Compute MMIO value for a given chip and base value
* @param[in] i_baseAddr group0-chip0 address
* @param[in] i_group Fabric Group ID to compute address for
* @param[in] i_chip Fabric Chip ID to compute address for
* @return Fully qualified memory address
*/
inline uint64_t computeMemoryMapOffset( uint64_t i_baseAddr,
uint8_t i_group,
uint8_t i_chip )
{
return (i_baseAddr +
(MMIO_OFFSET_PER_GROUP * i_group) +
(MMIO_OFFSET_PER_CHIP * i_chip));
};
/**
* @brief Determine fabric id from a MMIO address
* @param[in] i_addr position-specific memory address
* @param[out] i_group Fabric Group ID to compute address for
* @param[out] i_chip Fabric Chip ID to compute address for
*/
inline void getFabricIdFromAddr( uint64_t i_addr,
uint8_t& o_group,
uint8_t& o_chip )
{
// chop off any high-order offset
uint64_t l_addr = i_addr % MMIO_BASE;
// use integer math to get the group id
o_group = l_addr / MMIO_OFFSET_PER_GROUP;
// chop off the group
l_addr = l_addr % MMIO_OFFSET_PER_GROUP;
// use integer math to get the chip id
o_chip = l_addr % MMIO_OFFSET_PER_CHIP;
};
/**
* @brief A few default values that will need to be known
* by low-level code
*/
constexpr uint64_t MMIO_GROUP0_CHIP0_XSCOM_BASE_ADDR = 0x000603FC00000000;
constexpr uint64_t MMIO_GROUP0_CHIP0_LPC_BASE_ADDR = 0x0006030000000000;
constexpr uint64_t MMIO_GROUP0_CHIP0_PSI_BRIDGE_BASE_ADDR = 0x0006030203000000;
constexpr uint64_t MMIO_GROUP0_CHIP0_XIVE_CONTROLLER_BASE_ADDR = 0x0006030203100000;
constexpr uint64_t MMIO_GROUP0_CHIP0_XIVE_THREAD_MGMT1_BASE_ADDR = 0x0006020000000000;
constexpr uint64_t MMIO_GROUP0_CHIP0_PSI_HB_ESB_BASE_ADDR = 0x00060302031C0000;
constexpr uint64_t MMIO_GROUP0_CHIP0_INTP_BASE_ADDR = 0x0003FFFF80000000;
constexpr uint64_t IS_SMF_ADDR_BIT = 0x0001000000000000;
#endif //#ifndef _MEMORYMAP_H
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