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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/centaur/procedures/hwp/perv/cen_chiplet_init.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_chiplet_init.C
/// @brief: identify good chiplets MBA01, MBA23 (tbd)
/// define multicast groups
/// setup chiplet pervasive within the chiplets
///
///
/// @author Peng Fei GOU <shgoupf@cn.ibm.com>
///
//
// *HWP HWP Owner: Peng Fei GOU <shgoupf@cn.ibm.com>
// *HWP FW Owner: Thi Tran <thi@us.ibm.com>
// *HWP Team: Perv
// *HWP Level: 2
// *HWP Consumed by: HB
//
//------------------------------------------------------------------------------
// Includes
//------------------------------------------------------------------------------
#include <cen_chiplet_init.H>
#include <cen_common_funcs.H>
//------------------------------------------------------------------------------
// Function definitions
//------------------------------------------------------------------------------
fapi2::ReturnCode
cen_chiplet_init(const fapi2::Target<fapi2::TARGET_TYPE_MEMBUF_CHIP>& i_target)
{
FAPI_DBG("Start");
fapi2::buffer<uint64_t> l_tp_mcgr1_data = 0xE0001C0000000000;
fapi2::buffer<uint64_t> l_tp_mcgr2_data = 0xFC001C0000000000;
fapi2::buffer<uint64_t> l_tp_mcgr3_data = 0xFC001C0000000000;
fapi2::buffer<uint64_t> l_tp_mcgr4_data = 0xFC001C0000000000;
fapi2::buffer<uint64_t> l_nest_mcgr1_data = 0xE0001C0000000000;
fapi2::buffer<uint64_t> l_nest_mcgr2_data = 0xFC001C0000000000;
fapi2::buffer<uint64_t> l_nest_mcgr3_data = 0xFC001C0000000000;
fapi2::buffer<uint64_t> l_nest_mcgr4_data = 0xEC001C0000000000;
fapi2::buffer<uint64_t> l_mem_mcgr1_data = 0xE0001C0000000000;
fapi2::buffer<uint64_t> l_mem_mcgr2_data = 0xFC001C0000000000;
fapi2::buffer<uint64_t> l_mem_mcgr3_data = 0xFC001C0000000000;
fapi2::buffer<uint64_t> l_mem_mcgr4_data = 0xEC001C0000000000;
fapi2::buffer<uint64_t> l_write_all_func_gp3_data = 0;
fapi2::buffer<uint64_t> l_write_all_pcb_slave_errreg_data = ~0;
fapi2::buffer<uint64_t> l_mem_gp0_data = 0;
fapi2::buffer<uint64_t> l_ecid_part_1 = 0;
fapi2::buffer<uint64_t> l_nest_clk_scansel_data = 0;
fapi2::buffer<uint64_t> l_nest_clk_scandata0_data = 0;
uint64_t l_nest_clk_scansel_addr = get_scom_addr(SCAN_CHIPLET_NEST, CEN_GENERIC_CLK_SCANSEL);
uint64_t l_nest_clk_scandata0_addr = get_scom_addr(SCAN_CHIPLET_NEST, CEN_GENERIC_CLK_SCANDATA0);
FAPI_DBG("*** Initialize good chiplets "
"and setup multicast registers ***" );
// Set up groups 0 and 3 multicast groups for Centaur
// Multicast Group 0: All functional chiplets (PRV NST MEM)
// Multicast Group 3: All functional chiplets, except PRV
FAPI_DBG("Initializing multicast group0 (all) and "
"group3 (all except PRV)");
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLPERV_MULTICAST_GROUP_1_PCB, l_tp_mcgr1_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLNEST_MULTICAST_GROUP_1_PCB, l_nest_mcgr1_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLMEM_MULTICAST_GROUP_1_PCB, l_mem_mcgr1_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLNEST_MULTICAST_GROUP_4_PCB, l_nest_mcgr4_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLMEM_MULTICAST_GROUP_4_PCB, l_mem_mcgr4_data));
FAPI_DBG("Set unused group registers to broadcast, Group 7");
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLPERV_MULTICAST_GROUP_2_PCB, l_tp_mcgr2_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLPERV_MULTICAST_GROUP_3_PCB, l_tp_mcgr3_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLPERV_MULTICAST_GROUP_4_PCB, l_tp_mcgr4_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLNEST_MULTICAST_GROUP_2_PCB, l_nest_mcgr2_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLNEST_MULTICAST_GROUP_3_PCB, l_nest_mcgr3_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLMEM_MULTICAST_GROUP_2_PCB, l_mem_mcgr2_data));
FAPI_TRY(fapi2::putScom(i_target, CEN_PCBSLMEM_MULTICAST_GROUP_3_PCB, l_mem_mcgr3_data));
FAPI_DBG( "Done initializing centaur multicast group0, group3" );
// Chiplet Init (all other pervasive endpoints within the different chiplets)
FAPI_DBG( "Start pervasive initialization of other chiplets" );
FAPI_DBG( "Reset GP3 for all chiplets" );
l_write_all_func_gp3_data.setBit<1>().setBit<11>().setBit<13, 2>().setBit<18>();
FAPI_TRY(fapi2::putScom(i_target, CEN_WRITE_ALL_FUNC_GP3, l_write_all_func_gp3_data));
FAPI_DBG( "Release endpoint reset for PCB" );
l_write_all_func_gp3_data = 0;
l_write_all_func_gp3_data.setBit<1>().invert();
FAPI_TRY(fapi2::putScom(i_target, CEN_WRITE_ALL_FUNC_GP3_AND, l_write_all_func_gp3_data));
FAPI_DBG( "Partial good setting GP3(00)='1'" );
l_write_all_func_gp3_data = 0;
l_write_all_func_gp3_data.setBit<0>();
FAPI_TRY(fapi2::putScom(i_target, CEN_WRITE_ALL_FUNC_GP3_OR, l_write_all_func_gp3_data));
FAPI_DBG( "DEBUG: clear force_to_known_2 (fencing for partial good) " );
FAPI_TRY(fapi2::getScom(i_target, CEN_TCM_GP0_PCB, l_mem_gp0_data));
l_mem_gp0_data.clearBit<16>();
FAPI_TRY(fapi2::putScom(i_target, CEN_TCM_GP0_PCB, l_mem_gp0_data));
FAPI_DBG( "PCB slave error reg reset" );
FAPI_TRY(fapi2::putScom(i_target, CEN_WRITE_ALL_PCB_SLAVE_ERRREG, l_write_all_pcb_slave_errreg_data));
// call cen_scan0_module( SCAN_CHIPLET_ALL, GPTR_TIME_REP )
FAPI_TRY(cen_scan0_module(i_target, SCAN_CHIPLET_GROUP3, SCAN_ALLREGIONEXVITAL, SCAN_GPTR_TIME_REP));
// call cen_scan0_module( SCAN_CHIPLET_ALL, ALLSCANEXPRV )
FAPI_TRY(cen_scan0_module(i_target, SCAN_CHIPLET_GROUP3, SCAN_ALLREGIONEXVITAL, SCAN_ALLSCANEXPRV));
// Repair Loader (exclude TP)
FAPI_DBG("Invoking repair loader...");
FAPI_TRY(cen_repair_loader(i_target, REPAIR_COMMAND_VALIDATION_ENTRIES_DD2, REPAIR_COMMAND_START_ADDRESS));
// skip load if no repairs are present
FAPI_TRY(fapi2::getScom(i_target, CEN_OTPROM0_ECID_PART1_REGISTER_RO, l_ecid_part_1));
if (l_ecid_part_1.getBit<0>())
{
FAPI_DBG("SCANNING tcn_refr_time");
// inject header and rotate ring to position where repair loader will write data from OTPROM
// scan 0..210
l_nest_clk_scansel_data.setBit<10>().setBit<27>();
FAPI_TRY(fapi2::putScom(i_target, l_nest_clk_scansel_addr, l_nest_clk_scansel_data));
l_nest_clk_scandata0_data = 0xA5A55A5A00000000;
FAPI_TRY(fapi2::putScom(i_target, l_nest_clk_scandata0_addr, l_nest_clk_scandata0_data));
FAPI_TRY(fapi2::getScom(i_target, l_nest_clk_scandata0_addr + 0x6E, l_nest_clk_scandata0_data));
FAPI_TRY(fapi2::getScom(i_target, l_nest_clk_scandata0_addr + 0x65, l_nest_clk_scandata0_data));
// data 211..3006
FAPI_TRY(cen_repair_loader(i_target, REPAIR_COMMAND_VALIDATION_ENTRY_TCN_REFR_TIME_DD2, REPAIR_COMMAND_START_ADDRESS));
// scan 3007..3208
FAPI_TRY(fapi2::putScom(i_target, l_nest_clk_scansel_addr, l_nest_clk_scansel_data));
FAPI_TRY(fapi2::getScom(i_target, l_nest_clk_scandata0_addr + 0x6E, l_nest_clk_scandata0_data));
FAPI_TRY(fapi2::getScom(i_target, l_nest_clk_scandata0_addr + 0x5C, l_nest_clk_scandata0_data));
// data 3209..6004
FAPI_TRY(cen_repair_loader(i_target, REPAIR_COMMAND_VALIDATION_ENTRY_TCN_REFR_TIME_DD2, REPAIR_COMMAND_START_ADDRESS));
// scan 6005..6151
// check header
FAPI_TRY(fapi2::putScom(i_target, l_nest_clk_scansel_addr, l_nest_clk_scansel_data));
FAPI_TRY(fapi2::getScom(i_target, l_nest_clk_scandata0_addr + 0x6E, l_nest_clk_scandata0_data));
FAPI_TRY(fapi2::getScom(i_target, l_nest_clk_scandata0_addr + 0x25, l_nest_clk_scandata0_data));
FAPI_ASSERT((l_nest_clk_scandata0_data == 0xA5A55A5A00000000),
fapi2::CEN_CHIPLET_INIT_HEADER_MISMATCH()
.set_TARGET(i_target)
.set_NEST_CLK_SCANDATA0(l_nest_clk_scandata0_data),
"Error rotating tcn_refr_time ring -- header mismatch!"
);
}
fapi_try_exit:
FAPI_DBG("End");
return fapi2::current_err;
}
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