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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/ocmb/gemini/procedures/hwp/memory/lib/gem_draminit_utils.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 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 gem_draminit_utils.C
/// @brief Procedure definition to initialize DRAM
///
// *HWP HWP Owner: Mark Pizzutillo <Mark.Pizzutillo@ibm.com>
// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 2
// *HWP Consumed by: FSP:HB
#include <generic/memory/lib/utils/find.H>
#include <generic/memory/lib/utils/c_str.H>
#include <generic/memory/lib/utils/poll.H>
#include <mss_generic_attribute_getters.H>
#include <generic/memory/lib/utils/count_dimm.H>
#include <mss_generic_attribute_setters.H>
#include <lib/gem_draminit_utils.H>
namespace mss
{
namespace gem
{
///
/// @brief Polls DRAM calibration register to check for complete
/// @param[in] i_target the controller
/// @return FAPI2_RC_SUCCESS iff ok
///
fapi2::ReturnCode gem_draminit_poll_check_calibration(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_target)
{
// Address defined here as gemini SCOM address library does not exist
constexpr uint64_t GEMINI_CALIBRATION_STATUS_ADDR = 0x08012428;
constexpr uint64_t GEMINI_CALIBRATION_STATUS_BIT_1 = 0x0;
constexpr uint64_t GEMINI_CALIBRATION_STATUS_BIT_2 = 0x1;
// Using default parameters
mss::poll_parameters l_poll_params;
fapi2::buffer<uint64_t> l_data_buffer;
bool l_poll_success =
mss::poll(i_target, GEMINI_CALIBRATION_STATUS_ADDR, l_poll_params,
[&l_data_buffer](const size_t poll_remaining, const fapi2::buffer<uint64_t>& stat_reg) -> bool
{
FAPI_DBG("Polling: Gemini calibration status 0x%llx, remaining: %d", stat_reg, poll_remaining);
l_data_buffer = stat_reg;
return l_data_buffer.getBit<GEMINI_CALIBRATION_STATUS_BIT_1>()
&& l_data_buffer.getBit<GEMINI_CALIBRATION_STATUS_BIT_2>();
});
FAPI_ASSERT(l_poll_success == true,
fapi2::MSS_GEM_DRAMINIT_CALIBRATION_DID_NOT_COMPLETE()
.set_OCMB_TARGET(i_target)
.set_TARGET(i_target)
.set_REGISTER(GEMINI_CALIBRATION_STATUS_ADDR), "Calibration check timed out for target %s",
mss::spd::c_str(i_target));
fapi_try_exit:
return fapi2::current_err;
}
}// exp
}// mss
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