1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/perv/p9_sbe_fastarray_cleanup.C $ */
/* */
/* OpenPOWER sbe Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2017 */
/* [+] 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_fastarray_cleanup.C
///
/// @brief Cleanup sub-procedure for p9_fastarray procedure
//------------------------------------------------------------------------------
// *HWP HW Owner : Joachim Fenkes <fenkes@de.ibm.com>
// *HWP HW Backup Owner : Nick Klazynski <jklazyns@us.ibm.com>
// *HWP FW Owner : Nagendra Gurram <nagendra.g@in.ibm.com>
// *HWP Team : Chip
// *HWP Level : 3
// *HWP Consumed by : SBE
//------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------------
#include "p9_sbe_fastarray_cleanup.H"
#include "p9_sbe_fastarray_abist_catchup.H"
#include <p9_perv_scom_addresses.H>
#include <p9_perv_scom_addresses_fld.H>
/**
* @brief Cleanup sub-procedure for p9_fastarray procedure
* @param[in] i_target_chiplet The chiplet to clean up
* @return FAPI2_RC_SUCCESS if success, else error code.
*/
fapi2::ReturnCode p9_sbe_fastarray_cleanup(
const fapi2::Target<fapi2::TARGET_TYPE_PERV>& i_target_chiplet)
{
fapi2::buffer<uint64_t> l_buf;
/* Drop vital fence and core region fences so that we can see the ABIST_DONE signal */
FAPI_TRY(fapi2::putScom(i_target_chiplet, PERV_CPLT_CTRL1_CLEAR, 0x1E00000000000000), "Failed to drop region fences");
/* Let ABIST engines run to completion */
{
uint32_t l_timeout = 16;
do
{
FAPI_TRY(p9_sbe_fastarray_abist_catchup(i_target_chiplet, 0xFFF), "Failed to clock ABIST to completion");
FAPI_TRY(fapi2::getScom(i_target_chiplet, PERV_CPLT_STAT0, l_buf), "Failed to read Chiplet Status 0 Register");
}
while (--l_timeout && !l_buf.getBit<PERV_1_CPLT_STAT0_SRAM_ABIST_DONE_DC>());
FAPI_ASSERT_NOEXIT(l_timeout != 0, fapi2::FASTARRAY_CLEANUP_NOT_DONE().set_TARGET(i_target_chiplet),
"Warning: ABIST_DONE not seen! Your dump is probably fine, but this is unexpected.");
}
/* Raise the region fences back up */
FAPI_TRY(fapi2::putScom(i_target_chiplet, PERV_CPLT_CTRL1_OR, 0x1E00000000000000), "Failed to raise region fences");
/* Disable ABIST and clock engines so they can cleanly reset */
l_buf = 0;
FAPI_TRY(fapi2::putScom(i_target_chiplet, PERV_BIST, l_buf), "Failed to clear BIST reg");
FAPI_TRY(p9_sbe_fastarray_abist_catchup(i_target_chiplet, 0xFF), "Failed to clock ABIST engine reset");
/* Clean up the clock controller */
FAPI_TRY(fapi2::putScom(i_target_chiplet, PERV_CLK_REGION, l_buf), "Failed to clear clock regions");
FAPI_TRY(fapi2::putScom(i_target_chiplet, PERV_OPCG_CAPT1, l_buf), "Failed to clear OPCG_CAPT1");
FAPI_TRY(fapi2::putScom(i_target_chiplet, PERV_OPCG_CAPT2, l_buf), "Failed to clear OPCG_CAPT2");
/* Clear CC_SDIS_DC_N */
l_buf.flush<0>().setBit<PERV_1_CPLT_CONF0_CTRL_CC_SDIS_DC_N>();
FAPI_TRY(fapi2::putScom(i_target_chiplet, PERV_CPLT_CONF0_CLEAR, l_buf), "Failed to clear CC_SDIS_DC_N");
return fapi2::FAPI2_RC_SUCCESS;
fapi_try_exit:
return fapi2::current_err;
}
|
