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| author | Joachim Fenkes <fenkes@de.ibm.com> | 2019-01-11 17:43:25 +0100 |
|---|---|---|
| committer | RAJA DAS <rajadas2@in.ibm.com> | 2019-04-28 22:09:10 -0500 |
| commit | 9c5d98ebc72bb37364eb0437f26c70f234af1f0f (patch) | |
| tree | 3be85d7421dffbaeb424ab019061f8e841356cee /src/import/chips/p9/procedures | |
| parent | 673bc92dbf972a043db82f0d903d5b3651304c12 (diff) | |
| download | talos-sbe-9c5d98ebc72bb37364eb0437f26c70f234af1f0f.tar.gz talos-sbe-9c5d98ebc72bb37364eb0437f26c70f234af1f0f.zip | |
p9_sbe_nest_enable_ridi: Open up PCIe refclk drivers
As a fix for an X-state issue on Axone (HW476237), we added a root
control bit that will inhibit the PCIe refclk drivers. Once the PCIe
chiplets are initialized, we can lift this inhibit.
Change-Id: I22562b3bb3d75c3a0d67a271c49d5c0f22218c3d
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70376
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>
Reviewed-by: Joseph J. McGill <jmcgill@us.ibm.com>
Reviewed-by: SRINIVAS V. POLISETTY <srinivan@in.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70385
Reviewed-by: RAJA DAS <rajadas2@in.ibm.com>
Diffstat (limited to 'src/import/chips/p9/procedures')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/perv/p9_sbe_nest_enable_ridi.C | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/import/chips/p9/procedures/hwp/perv/p9_sbe_nest_enable_ridi.C b/src/import/chips/p9/procedures/hwp/perv/p9_sbe_nest_enable_ridi.C index c3bdaa4b..4ef4cb57 100644 --- a/src/import/chips/p9/procedures/hwp/perv/p9_sbe_nest_enable_ridi.C +++ b/src/import/chips/p9/procedures/hwp/perv/p9_sbe_nest_enable_ridi.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER sbe Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2015,2017 */ +/* Contributors Listed Below - COPYRIGHT 2015,2019 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -107,6 +107,7 @@ static fapi2::ReturnCode tp_enable_ridi(const l_data64.setBit<PERV_ROOT_CTRL1_TP_RI_DC_B>(); // 19 l_data64.setBit<PERV_ROOT_CTRL1_TP_DI1_DC_B>(); // 20 l_data64.setBit<PERV_ROOT_CTRL1_TP_DI2_DC_B>(); // 21 + l_data64.setBit<29>(); // HW476237: Lift inhibit on PCIe refclk drivers FAPI_TRY(fapi2::putScom(i_target_chip, PERV_ROOT_CTRL1_SCOM, l_data64)); FAPI_DBG("tp_enable_ridi: Exiting ..."); |
