p9_io_cen_scominit.C

/* IBM_PROLOG_BEGIN_TAG                                                   */
/* This is an automatically generated prolog.                             */
/*                                                                        */
/* $Source: src/import/chips/centaur/procedures/hwp/io/p9_io_cen_scominit.C $ */
/*                                                                        */
/* OpenPOWER HostBoot Project                                             */
/*                                                                        */
/* Contributors Listed Below - COPYRIGHT 2015,2017                        */
/* [+] International Business Machines Corp.                              */
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/* IBM_PROLOG_END_TAG                                                     */
///
/// @file p9_io_cen_scominit.C
/// @brief Invoke OBUS initfile
///
///----------------------------------------------------------------------------
/// *HWP HWP Owner       : Chris Steffen <cwsteffen@us.ibm.com>
/// *HWP HWP Backup Owner: Gary Peterson <garyp@us.ibm.com>
/// *HWP FW Owner        : Jamie Knight <rjknight@us.ibm.com>
/// *HWP Team            : IO
/// *HWP Level           : 1
/// *HWP Consumed by     : FSP:HB
///----------------------------------------------------------------------------
///
/// @verbatim
/// High-level procedure flow:
///
///   Invoke CEN scominit file.
///
/// Procedure Prereq:
///   - System clocks are running.
/// @endverbatim
///----------------------------------------------------------------------------


//------------------------------------------------------------------------------
//  Includes
//------------------------------------------------------------------------------
#include <p9_io_scom.H>
#include <p9_io_regs.H>
#include <p9_io_cen_scominit.H>


//------------------------------------------------------------------------------
//  Constant definitions
//------------------------------------------------------------------------------


//------------------------------------------------------------------------------
// Function definitions
//------------------------------------------------------------------------------

// HWP entry point, comments in header
fapi2::ReturnCode p9_io_cen_scominit(const CEN_TGT& i_tgt)
{
    // mark HWP entry
    FAPI_INF("p9_io_cen_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, p9_cen_scom, i_target, l_system_target);


    fapi_try_exit:
    */
    // mark HWP exit
    FAPI_INF("p9_io_cen_scominit: ...Exiting");
    return fapi2::current_err;
}