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| author | Yue Du <daviddu@us.ibm.com> | 2017-09-06 21:55:50 -0500 |
|---|---|---|
| committer | Daniel M. Crowell <dcrowell@us.ibm.com> | 2017-09-14 23:33:40 -0400 |
| commit | 52f2d77571c8557f5871c05307ee9ab58e147fe4 (patch) | |
| tree | daa13508d3185f8036058c0a94da1c25cf977902 /src/import/chips/p9/procedures/hwp/cache | |
| parent | 7fd0d220c1142912a251a67c213ef215bd25007f (diff) | |
| download | talos-hostboot-52f2d77571c8557f5871c05307ee9ab58e147fe4.tar.gz talos-hostboot-52f2d77571c8557f5871c05307ee9ab58e147fe4.zip | |
StopClocks: Fence Refresh region if L3 region clock is stopped
Change-Id: I9f3af62d92bc6a44d77b34d8f407f9461f749ff9
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/45767
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Reviewed-by: ALEXANDER M. TAFT <amtaft@us.ibm.com>
Dev-Ready: YUE DU <daviddu@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/45769
Reviewed-by: Hostboot Team <hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/cache')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/cache/p9_hcd_cache_stopclocks.C | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/import/chips/p9/procedures/hwp/cache/p9_hcd_cache_stopclocks.C b/src/import/chips/p9/procedures/hwp/cache/p9_hcd_cache_stopclocks.C index d8b611735..7fcc8719d 100644 --- a/src/import/chips/p9/procedures/hwp/cache/p9_hcd_cache_stopclocks.C +++ b/src/import/chips/p9/procedures/hwp/cache/p9_hcd_cache_stopclocks.C @@ -76,6 +76,7 @@ p9_hcd_cache_stopclocks( fapi2::buffer<uint64_t> l_data64; fapi2::buffer<uint64_t> l_temp64; uint64_t l_region_clock = 0; + uint64_t l_region_fence = 0; uint64_t l_l3mask_pscom = 0; uint32_t l_loops1ms = 0; uint32_t l_scom_addr = 0; @@ -267,8 +268,23 @@ p9_hcd_cache_stopclocks( FAPI_DBG("Assert vital fence via CPLT_CTRL1[3]"); FAPI_TRY(putScom(i_target, EQ_CPLT_CTRL1_OR, MASK_SET(3))); + l_region_fence = l_region_clock; + + if (!l_is_mpipl) + { + if (l_region_fence & p9hcd::CLK_REGION_EX0_L3) + { + l_region_fence |= p9hcd::CLK_REGION_EX0_REFR; + } + + if (l_region_fence & p9hcd::CLK_REGION_EX1_L3) + { + l_region_fence |= p9hcd::CLK_REGION_EX1_REFR; + } + } + FAPI_DBG("Assert regional fences via CPLT_CTRL1[4-14]"); - FAPI_TRY(putScom(i_target, EQ_CPLT_CTRL1_OR, l_region_clock)); + FAPI_TRY(putScom(i_target, EQ_CPLT_CTRL1_OR, l_region_fence)); // Gate the PCBMux request so scanning doesn't cause random requests for(auto& it : l_core_functional_vector) |
