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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/ocmb/common/procedures/hwp/pmic/pmic_bias.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 pmic_bias.C
/// @brief Procedure definition to bias PMIC
///
// *HWP HWP Owner: Mark Pizzutillo <mark.pizzutillo@ibm.com>
// *HWP HWP Backup: Louis Stermole <stermole@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 2
// *HWP Consumed by: FSP:HB
#include <fapi2.H>
#include <lib/utils/pmic_bias_utils.H>
#include <lib/utils/pmic_common_utils.H>
#include <pmic_bias.H>
#include <generic/memory/lib/utils/find.H>
#include <lib/i2c/i2c_pmic.H>
#include <pmic_regs.H>
#include <pmic_regs_fld.H>
#include <lib/utils/pmic_bias_utils.H>
#include <lib/utils/pmic_consts.H>
#include <generic/memory/lib/utils/c_str.H>
extern "C"
{
///
/// @brief Bias procedure for PMIC devices
///
/// @param[in] i_ocmb_target explorer target
/// @param[in] i_id the PMIC to change (PMIC0,PMIC1)
/// @param[in] i_setting setting to change (swa_volt, swb_volt, etc.)
/// @param[in] i_amount amount to change by
/// @param[in] i_unit percentage or value
/// @param[in] i_force ignore 10% change limit
/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff success
///
fapi2::ReturnCode pmic_bias(const fapi2::Target<fapi2::TARGET_TYPE_OCMB_CHIP>& i_ocmb_target,
const mss::pmic::id i_id,
const mss::pmic::setting i_setting,
const float i_amount,
const mss::pmic::unit i_unit,
const bool i_force)
{
// Check that our inputs are valid
FAPI_ASSERT(i_id != mss::pmic::id::UNKNOWN_ID,
fapi2::PMIC_NO_PMIC_SPECIFIED()
.set_TARGET(i_ocmb_target)
.set_PMIC_ID(uint8_t(i_id)),
"pmic_bias(): PMIC ID %u was unknown for bias procedure call on OCMB %s",
uint8_t(i_id), i_ocmb_target);
FAPI_ASSERT(i_setting != mss::pmic::setting::NO_SETTING,
fapi2::PMIC_NO_SETTING_SPECIFIED()
.set_TARGET(i_ocmb_target)
.set_SETTING_ID(uint8_t(i_setting)),
"pmic_bias(): PMIC setting ID %u was unknown for bias procedure call on OCMB %s",
uint8_t(i_setting), i_ocmb_target);
FAPI_ASSERT(i_unit != mss::pmic::unit::NO_UNIT,
fapi2::PMIC_NO_UNIT_SPECIFIED()
.set_TARGET(i_ocmb_target)
.set_UNIT_ID(uint8_t(i_unit)),
"pmic_bias(): Biasing unit ID %u was unknown for bias procedure call on OCMB %s",
uint8_t(i_unit), i_ocmb_target);
for (const auto& l_pmic : mss::find_targets<fapi2::TARGET_TYPE_PMIC>(i_ocmb_target))
{
// If matching ID (pmic0, pmic1), then we will bias it
if ((mss::index(l_pmic) % mss::pmic::consts<mss::pmic::product::JEDEC_COMPLIANT>::NUM_UNIQUE_PMICS) == i_id)
{
// Poll to make sure PBULK reports good, then we can be sure we can write/read registers
FAPI_TRY(mss::pmic::poll_for_pbulk_good(l_pmic),
"pmic_enable: poll for pbulk good either failed, or returned not good status on PMIC %s",
mss::c_str(l_pmic));
FAPI_INF("Performing BIAS on PMIC %s", mss::c_str(l_pmic));
// Now call the bias function
FAPI_TRY(mss::pmic::bias_chip(l_pmic, i_setting, i_amount, i_unit, i_force),
"Error biasing PMIC %s", mss::c_str(l_pmic));
}
}
return fapi2::FAPI2_RC_SUCCESS;
fapi_try_exit:
return fapi2::current_err;
}
} // extern C
|
