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author | Louis Stermole <stermole@us.ibm.com> | 2019-05-14 14:13:41 -0400 |
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committer | Christian R. Geddes <crgeddes@us.ibm.com> | 2019-05-16 13:50:21 -0500 |
commit | 574186ea098a9e9dbb6de4ffa44e9489f3125e01 (patch) | |
tree | 6ab481db674df9009ac7bc1c0b976013c938227e /src/import/chips/ocmb/explorer | |
parent | 9870db1cf564c756304e4dad68c04b0763729738 (diff) | |
download | talos-hostboot-574186ea098a9e9dbb6de4ffa44e9489f3125e01.tar.gz talos-hostboot-574186ea098a9e9dbb6de4ffa44e9489f3125e01.zip |
Clear Explorer outbound doorbell after reading cmd response
Change-Id: I0952417923bcd1aedd1d707896e3293e30214455
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/77351
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: STEPHEN GLANCY <sglancy@us.ibm.com>
Reviewed-by: Mark Pizzutillo <mark.pizzutillo@ibm.com>
Reviewed-by: ANDRE A. MARIN <aamarin@us.ibm.com>
Reviewed-by: Thi N. Tran <thi@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/77368
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: Christian R. Geddes <crgeddes@us.ibm.com>
Diffstat (limited to 'src/import/chips/ocmb/explorer')
-rw-r--r-- | src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.C | 21 | ||||
-rw-r--r-- | src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.H | 7 |
2 files changed, 28 insertions, 0 deletions
diff --git a/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.C b/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.C index 46a0c04b5..5f56f5242 100644 --- a/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.C +++ b/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.C @@ -502,6 +502,25 @@ fapi_try_exit: return fapi2::current_err; } +/// +/// @brief Clears outbound (response ready) door bell bit +/// @param[in] i_target the OCMB target on which to operate +/// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. +/// +fapi2::ReturnCode clear_outbound_doorbell(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target) +{ + fapi2::buffer<uint64_t> l_data; + + // Doorbell is cleared by writing a '1' to the doorbell bit + l_data.setBit<EXPLR_MIPS_TO_OCMB_INTERRUPT_REGISTER1_DOORBELL>(); + + FAPI_DBG("%s Clearing outbound doorbell...", mss::c_str(i_target)); + FAPI_TRY(fapi2::putScom(i_target, EXPLR_MIPS_TO_OCMB_INTERRUPT_REGISTER1, l_data)); + +fapi_try_exit: + return fapi2::current_err; +} + /// @brief Reads a response from the response buffer /// /// @param[in] i_target The Explorer chip to read data from @@ -547,6 +566,8 @@ fapi2::ReturnCode getRSP( o_data.clear(); } + FAPI_TRY(clear_outbound_doorbell(i_target)); + fapi_try_exit: FAPI_DBG("%s Exiting with return code : 0x%08X...", mss::c_str(i_target), (uint64_t) fapi2::current_err); return fapi2::current_err; diff --git a/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.H b/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.H index 989910f21..88921392d 100644 --- a/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.H +++ b/src/import/chips/ocmb/explorer/procedures/hwp/memory/exp_inband.H @@ -359,6 +359,13 @@ fapi2::ReturnCode getOCCfg( /// fapi2::ReturnCode poll_for_response_ready(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target); +/// +/// @brief Clears outbound (response ready) door bell bit +/// @param[in] i_target the OCMB target on which to operate +/// @return fapi2::ReturnCode. FAPI2_RC_SUCCESS if success, else error code. +/// +fapi2::ReturnCode clear_outbound_doorbell(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target); + /// @brief Reads a response from the response buffer /// /// @param[in] i_target The Explorer chip to read data from |