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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/centaur/procedures/hwp/perv/cen_tp_chiplet_init2.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2018 */
/* [+] 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 */
///
/// @file cen_tp_chiplet_init2.C
/// @brief Centaur Pervasive Init Phase 2 (FAPI2)
///
/// General Description : Pervasive Init Procedure 2
/// - first scan0, scom to clock control PRV chiplet
///
/// @author Peng Fei GOU <shgoupf@us.ibm.com>
///
//
// *HWP HWP Owner: Peng Fei GOU <shgoupf@us.ibm.com>
// *HWP FW Owner: Thi Tran <thi@us.ibm.com>
// *HWP Team: Perv
// *HWP Level: 2
// *HWP Consumed by: HB
//
//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
#include <cen_tp_chiplet_init2.H>
#include <cen_common_funcs.H>
//------------------------------------------------------------------------------
// Constant Definitions
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Function definitions
//------------------------------------------------------------------------------
fapi2::ReturnCode
cen_tp_chiplet_init2(const fapi2::Target<fapi2::TARGET_TYPE_MEMBUF_CHIP>& i_target)
{
fapi2::buffer<uint64_t> l_pcb_clk_region_data;
fapi2::buffer<uint64_t> l_pcb_clk_status ;
fapi2::buffer<uint32_t> l_fsi_gp3_data = 0;
uint64_t temp_data_64;
FAPI_DBG("*** Scan Initialization of Pervasive Chiplet (SCAN0 and Scan Repair) ***");
FAPI_TRY(cen_scan0_module(i_target, SCAN_CHIPLET_TP, SCAN_CLK_ALL_BUT_PLL, SCAN_GPTR_TIME_REP_NO_PLL),
"Error from calling cen_scan0_module subroutine ");
FAPI_TRY(cen_scan0_module(i_target, SCAN_CHIPLET_TP, SCAN_CLK_ALL_BUT_PLL, SCAN_ALL_BUT_VITALPLLGPTRTIME),
"Error from calling cen_scan0_module subroutine ");
FAPI_DBG("Clock Start command (PIB, NET only). ");
l_pcb_clk_region_data = CLOCK_START_REGIONS_PIBNET;
FAPI_TRY(fapi2::putScom(i_target, CEN_CLK_REGION_PCB, l_pcb_clk_region_data),
"Error from putScom (TP_CLK_REGION)");
FAPI_TRY(fapi2::getScom(i_target, CEN_CLOCK_STAT_PCB, l_pcb_clk_status),
"Error from getScom (TP_CLK_STATUS)");
FAPI_TRY(l_pcb_clk_status.extract(temp_data_64, 0, 64),
"Error from l_pcb_clk_status extraction");
FAPI_ASSERT(temp_data_64 == EXPECTED_CC_STATUS_START_PIBNET,
fapi2::CEN_TP_CHIPLET_INIT2_ERR_CLK_CNTL()
.set_TARGET(i_target)
.set_EXPECTED_CC_STATUS(EXPECTED_CC_STATUS_START_PIBNET)
.set_ACTUAL_CC_STATUS(temp_data_64),
"ERROR: Clock Control Register: 0x%016llX "
"does not match the expected value: 0xE07FFFFF",
temp_data_64);
FAPI_DBG("PIB, NET running now.");
FAPI_DBG("Assert PCB reset");
FAPI_TRY(fapi2::getCfamRegister(i_target, CEN_FSIGP3, l_fsi_gp3_data),
"Error from gettCfamRegister (CEN_FSIGP3)");
l_fsi_gp3_data.setBit<22>();
FAPI_TRY(fapi2::putCfamRegister(i_target, CEN_FSIGP3, l_fsi_gp3_data),
"Error from putCfamRegister (CEN_FSIGP3)");
FAPI_DBG("PIB2PCB switch mux, set to operational");
l_fsi_gp3_data.clearBit<20>();
FAPI_TRY(fapi2::putCfamRegister(i_target, CEN_FSIGP3, l_fsi_gp3_data),
"Error from putCfamRegister (CEN_FSIGP3)");
FAPI_DBG("Deassert PCB reset");
l_fsi_gp3_data.clearBit<22>();
FAPI_TRY(fapi2::putCfamRegister(i_target, CEN_FSIGP3, l_fsi_gp3_data),
"Error from putCfamRegister (CEN_FSIGP3)");
FAPI_DBG("Drop global_ep_reset signal");
l_fsi_gp3_data.clearBit<31>();
FAPI_TRY(fapi2::putCfamRegister(i_target, CEN_FSIGP3, l_fsi_gp3_data),
"Error from putCfamRegister (CEN_FSIGP3)");
FAPI_DBG("Switch Pervasive Chiplet OOB Mux");
l_fsi_gp3_data.clearBit<21>();
FAPI_TRY(fapi2::putCfamRegister(i_target, CEN_FSIGP3, l_fsi_gp3_data),
"Error from putCfamRegister (CEN_FSIGP3)");
FAPI_DBG("Invoking repair loader...");
FAPI_TRY(cen_repair_loader(i_target, REPAIR_CMD_VALIDATION_ENTRIES, REPAIR_CMD_START_ADDR),
"Error from calling cen_repair_loader subroutine ");
fapi_try_exit:
FAPI_DBG("cen_tp_chiplet_init2 Done");
return fapi2::current_err;
}
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