diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/io/p9a_io_omi_scominit.C')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/io/p9a_io_omi_scominit.C | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/io/p9a_io_omi_scominit.C b/src/import/chips/p9/procedures/hwp/io/p9a_io_omi_scominit.C new file mode 100644 index 000000000..b73642b5f --- /dev/null +++ b/src/import/chips/p9/procedures/hwp/io/p9a_io_omi_scominit.C @@ -0,0 +1,113 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/import/chips/p9/procedures/hwp/io/p9a_io_omi_scominit.C $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015,2019 */ +/* [+] 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 p9a_io_omi_scominit.C +/// @brief Invoke OMI initfile +/// +//---------------------------------------------------------------------------- +// *HWP HWP Owner : Chris Steffen <cwsteffen@us.ibm.com> +// *HWP HWP Backup Owner: Gary Peterson <garyp@us.ibm.com> +// *HWP FW Owner : Sumit Kumar <sumit_kumar@in.ibm.com> +// *HWP Team : IO +// *HWP Level : 3 +// *HWP Consumed by : FSP:HB +//---------------------------------------------------------------------------- +// +// @verbatim +// High-level procedure flow: +// +// Invoke OMI scominit file. +// +// Procedure Prereq: +// - System clocks are running. +// @endverbatim +//---------------------------------------------------------------------------- + + +//------------------------------------------------------------------------------ +// Includes +//------------------------------------------------------------------------------ +#include <p9_io_scom.H> +#include <p9_io_regs.H> +#include <p9a_omi_io_scom.H> +#include <p9a_io_omi_scominit.H> +#include <p9_obus_scom_addresses.H> +#include <p9a_mc_scom_addresses.H> +#include <p9_obus_fir_utils.H> + +//------------------------------------------------------------------------------ +// Function definitions +//------------------------------------------------------------------------------ + +// HWP entry point, comments in header +fapi2::ReturnCode p9a_io_omi_scominit(const fapi2::Target<fapi2::TARGET_TYPE_OMIC>& i_target) +{ + // mark HWP entry + FAPI_INF("p9a_io_omi_scominit: Entering..."); + const uint8_t GROUP_00 = 0; + const uint8_t LANE_00 = 0; + const uint8_t SET_RESET = 1; + const uint8_t CLEAR_RESET = 0; + fapi2::ReturnCode rc = fapi2::FAPI2_RC_SUCCESS; + + // get system target + const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> l_system_target; + + // get a proc target + fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP> l_proc_target = i_target.getParent<fapi2::TARGET_TYPE_PROC_CHIP>(); + + // assert IO reset to power-up bus endpoint logic + FAPI_TRY(io::rmw(OPT_IORESET_HARD_BUS0, i_target, GROUP_00, LANE_00, SET_RESET)); + + // Bus Reset is relatively fast, only needing < a hundred cycles to allow the signal to propogate. + FAPI_TRY(fapi2::delay(10, 1000)); + + FAPI_TRY(io::rmw(OPT_IORESET_HARD_BUS0, i_target, GROUP_00, LANE_00, CLEAR_RESET)); + + FAPI_INF("Invoke FAPI procedure core: input_target"); + FAPI_EXEC_HWP(rc, p9a_omi_io_scom, i_target, l_system_target, l_proc_target); + + // configure FIR + { + FAPI_TRY(fapi2::putScom(i_target, + P9A_OMIC_FIR_ACTION0_REG, + OBUS_PHY_FIR_ACTION0), + "Error from putScom (P9A_OMIC_FIR_ACTION0_REG)"); + FAPI_TRY(fapi2::putScom(i_target, + P9A_OMIC_FIR_ACTION1_REG, + OBUS_PHY_FIR_ACTION1), + "Error from putScom (P9A_OMIC_FIR_ACTION1_REG)"); + FAPI_TRY(fapi2::putScom(i_target, + P9A_OMIC_FIR_MASK_REG, + OBUS_PHY_FIR_MASK), + "Error from putScom (P9A_OMIC_FIR_MASK_REG)"); + } + + // mark HWP exit + FAPI_INF("p9a_io_omi_scominit: ...Exiting"); + +fapi_try_exit: + return fapi2::current_err; +} |
