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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/perv/p9_sbe_npll_initf.C $ */
/* */
/* OpenPOWER sbe Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2018 */
/* [+] 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 p9_sbe_npll_initf.C
///
/// @brief apply initfile for level 0 & 1 PLLs
//------------------------------------------------------------------------------
// *HWP HW Owner : Abhishek Agarwal <abagarw8@in.ibm.com>
// *HWP HW Backup Owner : Srinivas V Naga <srinivan@in.ibm.com>
// *HWP FW Owner : sunil kumar <skumar8j@in.ibm.com>
// *HWP Team : Perv
// *HWP Level : 3
// *HWP Consumed by : SBE
//------------------------------------------------------------------------------
//## auto_generated
#include "p9_sbe_npll_initf.H"
#include <p9_ring_id.h>
fapi2::ReturnCode p9_sbe_npll_initf(
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target_chip)
{
FAPI_INF("p9_sbe_npll_initf: Entering ...");
const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM;
uint8_t l_npll_bucket = 0;
RingID l_npll_ring_id = perv_pll_bndy_bucket_1;
uint8_t l_fpll_bucket = 0;
RingID l_fpll_ring_id = perv_pll_bndy_flt_1;
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_NEST_PLL_BUCKET,
FAPI_SYSTEM ,
l_npll_bucket),
"Error from FAPI_ATTR_GET (ATTR_NEST_PLL_BUCKET)");
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_FILTER_PLL_BUCKET,
i_target_chip,
l_fpll_bucket),
"Error from FAPI_ATTR_GET (ATTR_FILTER_PLL_BUCKET)");
switch (l_npll_bucket)
{
case 1:
l_npll_ring_id = perv_pll_bndy_bucket_1;
break;
case 2:
l_npll_ring_id = perv_pll_bndy_bucket_2;
break;
case 3:
l_npll_ring_id = perv_pll_bndy_bucket_3;
break;
case 4:
l_npll_ring_id = perv_pll_bndy_bucket_4;
break;
case 5:
l_npll_ring_id = perv_pll_bndy_bucket_5;
break;
default:
FAPI_ASSERT(false,
fapi2::P9_SBE_NPLL_INITF_UNSUPPORTED_NPLL_BUCKET().
set_TARGET(i_target_chip).
set_BUCKET_INDEX(l_npll_bucket),
"Unsupported Nest PLL bucket value!");
}
// scan PLL ring once to establish nest PLL
FAPI_DBG("Scan perv_pll_bndy_bucket_%d ring",
l_npll_bucket);
FAPI_TRY(fapi2::putRing(i_target_chip,
l_npll_ring_id,
fapi2::RING_MODE_SET_PULSE_NSL),
"Error from putRing (perv_pll_bndy, l_npll_ring_id: %d)",
l_npll_ring_id);
if (l_fpll_bucket)
{
switch (l_fpll_bucket)
{
case 1:
l_fpll_ring_id = perv_pll_bndy_flt_1;
break;
case 2:
l_fpll_ring_id = perv_pll_bndy_flt_2;
break;
case 3:
l_fpll_ring_id = perv_pll_bndy_flt_3;
break;
case 4:
l_fpll_ring_id = perv_pll_bndy_flt_4;
break;
default:
FAPI_ASSERT(false,
fapi2::P9_SBE_NPLL_INITF_UNSUPPORTED_FPLL_BUCKET().
set_TARGET(i_target_chip).
set_BUCKET_INDEX(l_fpll_bucket),
"Unsupported Filter PLL bucket value!");
}
// re-scan PLL ring to apply selected filter PLL overlay
FAPI_DBG("Re-scan perv_pll_bndy to apply perv_pll_bndy_flt_%d ring",
l_fpll_bucket);
FAPI_TRY(fapi2::putRing(i_target_chip,
l_fpll_ring_id,
fapi2::RING_MODE_SET_PULSE_NSL),
"Error from putRing (perv_pll_bndy, l_fpll_ring_id: %d)",
l_fpll_ring_id);
}
fapi_try_exit:
FAPI_INF("p9_sbe_npll_initf: Exiting ...");
return fapi2::current_err;
}
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