diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C | 88 |
1 files changed, 79 insertions, 9 deletions
diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C b/src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C index a8d74098d..2a4060f59 100644 --- a/src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C +++ b/src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C @@ -374,7 +374,55 @@ extern "C" return exChipletId; } - //------------------------------------------------------------------------- + //------------------------------------------------------------------------------------------------- + void initScomRegion( Homerlayout_t* i_pChipHomer, PlatId i_platId ) + { + FAPI_DBG(">initScomRegion"); + + do + { + uint32_t* pInitScom = NULL; + uint32_t initLength = MAX_CACHE_CHIPLET; + uint32_t fillPattern = SWIZZLE_4_BYTE(PAD_OPCODE); + + if( ( PLAT_SELF != i_platId ) && ( PLAT_SGPE != i_platId ) ) + { + FAPI_ERR("SCOM Region not defined for given platform 0x%08x", i_platId ); + break; + } + + if( PLAT_SELF == i_platId ) + { + pInitScom = (uint32_t*)i_pChipHomer->cpmrRegion.selfRestoreRegion.coreScom; + initLength = MAX_CORES_PER_CHIP; + + } + + if( PLAT_SGPE == i_platId ) + { + pInitScom = (uint32_t*)i_pChipHomer->qpmrRegion.cacheScomRegion; + } + + uint32_t wordCnt = 0; + uint32_t scomSize = CACHE_SCOM_RESTORE_SIZE >> 2; + + for( wordCnt = 0; wordCnt < scomSize; wordCnt++ ) + { + memcpy( (pInitScom + wordCnt), &fillPattern, sizeof(uint32_t) ); + } + + fillPattern = SWIZZLE_4_BYTE(BLR_INST); + + for( wordCnt = 0; wordCnt < initLength; wordCnt++ ) + { + memcpy( (pInitScom + (wordCnt * SCOM_RESTORE_PER_CHIPLET)) , &fillPattern, sizeof(uint32_t) ); + } + } + while(0); + + FAPI_DBG("<initScomRegion"); + } + //------------------------------------------------------------------------------------------------- uint32_t validateSramImageSize( Homerlayout_t* i_pChipHomer, uint32_t& o_sramImgSize ) { @@ -909,6 +957,8 @@ extern "C" break; } + initScomRegion( i_pChipHomer, PLAT_SGPE ); + o_qpmrHdr.sgpeImgOffset = o_qpmrHdr.bootLoaderOffset + SGPE_LVL_2_BOOT_LOAD_SIZE; FAPI_DBG("SGPE Hcode QPMR Offset = 0x%08X, Size = 0x%08X", @@ -1025,10 +1075,29 @@ extern "C" //Padding SPR restore area with ATTN Opcode FAPI_INF("Padding CPMR Core Restore portion with Attn opcodes"); uint32_t wordCnt = 0; - uint32_t l_fillPattern = SWIZZLE_4_BYTE(PAD_OPCODE); + uint32_t l_fillBlr = SWIZZLE_4_BYTE(BLR_INST); + uint32_t l_fillAttn = SWIZZLE_4_BYTE(PAD_OPCODE); while( wordCnt < CORE_RESTORE_SIZE ) { + + uint32_t l_fillPattern = 0; + + if( ( 0 == wordCnt ) || ( 0 == ( wordCnt % THREAD_RESTORE_AREA_SIZE ) )) + { + l_fillPattern = l_fillBlr; + } + else + { + l_fillPattern = l_fillAttn; + } + + //Lab Need: First instruction in thread SPR restore region should be a blr instruction. + //This helps in a specific lab scenario. If Self Restore region is populated only for + //select number of threads, other threads will not hit attention during the self restore + //sequence. Instead, execution will hit a blr and control should return to thread launcher + //region. + memcpy( (uint32_t*)&i_pChipHomer->cpmrRegion.selfRestoreRegion.coreSelfRestore[wordCnt], &l_fillPattern, sizeof( uint32_t )); @@ -1036,6 +1105,7 @@ extern "C" } updateCpmrHeaderSR( i_pChipHomer, i_fusedState ); + initScomRegion( i_pChipHomer, PLAT_SELF ); } while(0); @@ -1205,7 +1275,7 @@ extern "C" return retCode; } - //------------------------------------------------------------------------------ +//------------------------------------------------------------------------------ /** * @brief get a blob of platform rings in a temp buffer. @@ -1292,7 +1362,7 @@ extern "C" return retCode; } - //------------------------------------------------------------------------------ +//------------------------------------------------------------------------------ uint32_t layoutSgpeScanOverride( Homerlayout_t* i_pHomer, void* i_pOverride, @@ -1403,7 +1473,7 @@ extern "C" return rc; } - //------------------------------------------------------------------------------ +//------------------------------------------------------------------------------ /** * @brief creates a lean scan ring layout for core specific rings in HOMER. @@ -1497,7 +1567,7 @@ extern "C" return rc; } - //------------------------------------------------------------------------------ +//------------------------------------------------------------------------------ /** * @brief creates a lean scan ring layout for core specific rings in HOMER. * @param i_pHOMER points to HOMER image. @@ -1657,7 +1727,7 @@ extern "C" return rc; } - //------------------------------------------------------------------------------ +//------------------------------------------------------------------------------ uint32_t layoutCmeScanOverride( Homerlayout_t* i_pHomer, void* i_pOverride, @@ -1752,7 +1822,7 @@ extern "C" return rc; } - //------------------------------------------------------------------------------ +//------------------------------------------------------------------------------ /** * @brief creates a lean scan ring layout for core rings in HOMER. @@ -1894,7 +1964,7 @@ extern "C" } - //------------------------------------------------------------------------------ +//------------------------------------------------------------------------------ /** * @brief creates a scan ring layout for quad common rings in HOMER. |
