diff options
Diffstat (limited to 'src/usr/hwpf/hwp/tod_init/proc_tod_setup/proc_tod_check_osc.C')
| -rw-r--r-- | src/usr/hwpf/hwp/tod_init/proc_tod_setup/proc_tod_check_osc.C | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/src/usr/hwpf/hwp/tod_init/proc_tod_setup/proc_tod_check_osc.C b/src/usr/hwpf/hwp/tod_init/proc_tod_setup/proc_tod_check_osc.C new file mode 100644 index 000000000..a6d471281 --- /dev/null +++ b/src/usr/hwpf/hwp/tod_init/proc_tod_setup/proc_tod_check_osc.C @@ -0,0 +1,184 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/usr/hwpf/hwp/tod_init/proc_tod_setup//proc_tod_check_osc.C $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015 */ +/* [+] 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 */ +// $Id: proc_tod_check_osc.C,v 1.1 2014/12/11 17:01:53 jklazyns Exp $ +//------------------------------------------------------------------------------ +// *! (C) Copyright International Business Machines Corp. 2012 +// *! All Rights Reserved -- Property of IBM +// *! *** *** +// *! +// *! TITLE : proc_tod_check_osc.C +// *! +// *! DESCRIPTION : Checks the validity of TOD oscillators connected to a target +// *! +// *! OWNER NAME : Nick Klazynski Email: jklazyns@us.ibm.com +// *! BACKUP NAME : Email: +// *! +// *! ADDITIONAL COMMENTS : +// *! +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +// Includes +//------------------------------------------------------------------------------ +#include "proc_tod_utils.H" +#include "proc_tod_check_osc.H" +#include "p8_scom_addresses.H" + +extern "C" +{ + +//------------------------------------------------------------------------------ +// Function definitions +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +// function: proc_tod_check_osc +// parameters: +// i_target FAPI target which will have its oscillator validity checked +// o_osc_stat Oscillator(s) which passed the validity check +// +// returns: FAPI_RC_SUCCESS if the oscillators were successfully tested +// (o_osc_stat will have the check's result) +// else FAPI or ECMD error is sent through +//------------------------------------------------------------------------------ +fapi::ReturnCode proc_tod_check_osc(const fapi::Target* i_target, + proc_tod_setup_osc_sel* o_osc_stat) +{ + fapi::ReturnCode rc; + ecmdDataBufferBase m_path_ctrl_reg_save_data(64); + ecmdDataBufferBase data(64); + uint32_t rc_ecmd = 0; + + FAPI_INF("proc_tod_check_osc: Start"); + do + { + // Read TOD_M_PATH_CTRL_REG_00040000 to be restored at the end of the procedure + rc=fapiGetScom(*i_target,TOD_M_PATH_CTRL_REG_00040000,m_path_ctrl_reg_save_data); + if (!rc.ok()) + { + FAPI_ERR("proc_tod_check_osc: Error from fapiGetScom when retrieving TOD_M_PATH_CTRL_REG_00040000!"); + break; + } + + FAPI_DBG("proc_tod_check_osc: Configuring Master OSC paths in TOD_M_PATH_CTRL_REG_00040000 for oscillator testing."); + + // OSC0 is connected + rc_ecmd |= data.clearBit(TOD_M_PATH_CTRL_REG_M_PATH_0_OSC_NOT_VALID); + + // OSC0 step alignment enabled + rc_ecmd |= data.clearBit(TOD_M_PATH_CTRL_REG_M_PATH_0_STEP_ALIGN_DIS); + + // Set 512 steps per sync for path 0 + rc_ecmd |= data.insertFromRight(TOD_M_PATH_CTRL_REG_M_PATH_SYNC_FREQ_SEL_512, + TOD_M_PATH_CTRL_REG_M_PATH_0_SYNC_FREQ_SEL, + TOD_M_PATH_CTRL_REG_M_PATH_SYNC_FREQ_SEL_LEN); + + // Set step check CPS deviation to 50% + rc_ecmd |= data.insertFromRight(STEP_CHECK_CPS_DEVIATION_50_00_PCENT, + TOD_M_PATH_CTRL_REG_M_PATH_0_STEP_CHECK_CPS_DEVIATION, + STEP_CHECK_CPS_DEVIATION_LEN); + + // 8 valid steps are required before step check is enabled + rc_ecmd |= data.insertFromRight(STEP_CHECK_VALIDITY_COUNT_8, + TOD_M_PATH_CTRL_REG_M_PATH_0_STEP_CHECK_VALIDITY_COUNT, + STEP_CHECK_VALIDITY_COUNT_LEN); + + // OSC1 is connected + rc_ecmd |= data.clearBit(TOD_M_PATH_CTRL_REG_M_PATH_1_OSC_NOT_VALID); + + // OSC1 step alignment enabled + rc_ecmd |= data.clearBit(TOD_M_PATH_CTRL_REG_M_PATH_1_STEP_ALIGN_DIS); + + // Set 512 steps per sync for path 1 + rc_ecmd |= data.insertFromRight(TOD_M_PATH_CTRL_REG_M_PATH_SYNC_FREQ_SEL_512, + TOD_M_PATH_CTRL_REG_M_PATH_1_SYNC_FREQ_SEL, + TOD_M_PATH_CTRL_REG_M_PATH_SYNC_FREQ_SEL_LEN); + + // Set step check CPS deviation to 50% + rc_ecmd |= data.insertFromRight(STEP_CHECK_CPS_DEVIATION_50_00_PCENT, + TOD_M_PATH_CTRL_REG_M_PATH_1_STEP_CHECK_CPS_DEVIATION, + STEP_CHECK_CPS_DEVIATION_LEN); + + // 8 valid steps are required before step check is enabled + rc_ecmd |= data.insertFromRight(STEP_CHECK_VALIDITY_COUNT_8, + TOD_M_PATH_CTRL_REG_M_PATH_1_STEP_CHECK_VALIDITY_COUNT, + STEP_CHECK_VALIDITY_COUNT_LEN); + + // CPS deviation factor configures both path-0 and path-1 + rc_ecmd |= data.insertFromRight(STEP_CHECK_CPS_DEVIATION_FACTOR_1, + TOD_M_PATH_CTRL_REG_M_PATH_STEP_CHECK_DEVIATION_FACTOR, + STEP_CHECK_CPS_DEVIATION_FACTOR_LEN); + + if (rc_ecmd) + { + FAPI_ERR("proc_tod_check_osc: Error 0x%08X in ecmdDataBuffer setup for TOD_M_PATH_CTRL_REG_00040000 SCOM.", rc_ecmd); + rc.setEcmdError(rc_ecmd); + break; + } + rc = fapiPutScom(*i_target,TOD_M_PATH_CTRL_REG_00040000,data); + if (!rc.ok()) + { + FAPI_ERR("proc_tod_check_osc: fapiPutScom error for TOD_M_PATH_CTRL_REG_00040000 SCOM."); + break; + } + + FAPI_DBG("proc_tod_check_osc: Checking oscillator validity."); + rc=fapiGetScom(*i_target,TOD_PSS_MSS_STATUS_REG_00040008,data); + if (!rc.ok()) + { + FAPI_ERR("proc_tod_check_osc: Error from fapiGetScom when retrieving TOD_PSS_MSS_STATUS_REG_00040008!"); + break; + } + + *o_osc_stat = TOD_OSC_NONE; + if (data.isBitSet(TOD_PSS_MSS_STATUS_REG_M_PATH_0_STEP_CHECK_VALID) && + data.isBitSet(TOD_PSS_MSS_STATUS_REG_M_PATH_1_STEP_CHECK_VALID)) { + FAPI_DBG("proc_tod_check_osc: both master path-0 and path-1 are valid! (TOD_PSS_MSS_STATUS_REG = 0x%016llX)",data.getDoubleWord(0)); + *o_osc_stat = TOD_OSC_0_AND_1; + } + else if (data.isBitSet(TOD_PSS_MSS_STATUS_REG_M_PATH_0_STEP_CHECK_VALID)) { + FAPI_DBG("proc_tod_check_osc: master path-0 is valid; path-1 is not! (TOD_PSS_MSS_STATUS_REG = 0x%016llX)",data.getDoubleWord(0)); + *o_osc_stat = TOD_OSC_0; + } + else if (data.isBitSet(TOD_PSS_MSS_STATUS_REG_M_PATH_1_STEP_CHECK_VALID)) { + FAPI_DBG("proc_tod_check_osc: master path-1 is valid; path-0 is not! (TOD_PSS_MSS_STATUS_REG = 0x%016llX)",data.getDoubleWord(0)); + *o_osc_stat = TOD_OSC_1; + } + + FAPI_DBG("proc_tod_check_osc: Restoring previous TOD_M_PATH_CTRL_REG_00040000 value."); + rc = fapiPutScom(*i_target,TOD_M_PATH_CTRL_REG_00040000,m_path_ctrl_reg_save_data); + if (!rc.ok()) + { + FAPI_ERR("proc_tod_check_osc: fapiPutScom error for TOD_M_PATH_CTRL_REG_00040000 SCOM."); + break; + } + + } while (0); + + FAPI_INF("proc_tod_check_osc: End"); + return rc; +} + +} // extern "C" |
