diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/arch/memorymap.H | 61 | ||||
| -rw-r--r-- | src/include/kernel/bltohbdatamgr.H | 16 | ||||
| -rw-r--r-- | src/include/usr/lpc/lpcif.H | 6 |
3 files changed, 82 insertions, 1 deletions
diff --git a/src/include/arch/memorymap.H b/src/include/arch/memorymap.H new file mode 100644 index 000000000..f102395fb --- /dev/null +++ b/src/include/arch/memorymap.H @@ -0,0 +1,61 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/include/arch/memorymap.H $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 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 */ +#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 + +/** + * @brief Compute MMIO value for a given chip and base value + */ +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 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; + + +#endif //#ifndef _MEMORYMAP_H diff --git a/src/include/kernel/bltohbdatamgr.H b/src/include/kernel/bltohbdatamgr.H index 8ddccf49f..6563ba9f1 100644 --- a/src/include/kernel/bltohbdatamgr.H +++ b/src/include/kernel/bltohbdatamgr.H @@ -163,9 +163,23 @@ class BlToHbDataManager * @return bool true if valid; false otherwise */ const bool isValid() const; + + /* + * @brief Returns LPC BAR setup by SBE + * + * @return uint64_t LPC BAR + */ + const uint64_t getLpcBAR() const; + + /* + * @brief Returns XSCOM BAR setup by SBE + * + * @return size_t XSCP< BAR + */ + const uint64_t getXscomBAR() const; }; // Extern global instance of the class extern BlToHbDataManager g_BlToHbDataManager; -#endif
\ No newline at end of file +#endif diff --git a/src/include/usr/lpc/lpcif.H b/src/include/usr/lpc/lpcif.H index b09297a5e..db6ea9a32 100644 --- a/src/include/usr/lpc/lpcif.H +++ b/src/include/usr/lpc/lpcif.H @@ -64,6 +64,12 @@ errlHndl_t create_altmaster_objects( bool i_create, */ void block_lpc_ops( bool i_block ); +/** + * @brief Return the value of the LPC BAR that the driver is using + * @return LPC BAR physical address + */ +uint64_t get_lpc_bar( void ); + }; // namespace LPC |
