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p9_pstate_parameter_block.C
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p9_pstate_parameter_block.C
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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/pm/p9_pstate_parameter_block.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2017 */
/* [+] 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_pstate_parameter_block.C
/// @brief Setup Pstate super structure for PGPE/CME HCode
///
/// *HWP HW Owner : Greg Still <stillgs@us.ibm.com>
/// *HWP FW Owner : Prasad Bg Ranganath <prasadbgr@in.ibm.com>
/// *HWP Team : PM
/// *HWP Level : 3
/// *HWP Consumed by : PGPE,CME
///
/// @verbatim
/// Procedure Summary:
/// - Read VPD and attributes to create the Pstate Parameter Block(s) (one each for PGPE,OCC and CMEs).
/// @endverbatim
// *INDENT-OFF*
//
// ----------------------------------------------------------------------
// Includes
// ----------------------------------------------------------------------
#include <fapi2.H>
#include <p9_pstate_parameter_block.H>
#include <p9_hcd_memmap_base.H>
#include "p9_pm_get_poundw_bucket.H"
#include "p9_resclk_defines.H"
#include <attribute_ids.H>
#include <math.h>
//the value in this table are in Index format
uint8_t g_GreyCodeIndexMapping [] =
{
/* 0x00*/ 0,
/* 0x01*/ 1,
/* 0x02*/ 3,
/* 0x03*/ 2,
/* 0x04*/ 7,
/* 0x05*/ 6,
/* 0x06*/ 4,
/* 0x07*/ 5,
/* 0x08*/ 12,
/* 0x09*/ 12,
/* 0x0a*/ 12,
/* 0x0b*/ 12,
/* 0x0c*/ 8,
/* 0x0d*/ 9,
/* 0x0e*/ 11,
/* 0x0f*/ 10
};
fapi2::vdmData_t g_vpdData = {1,
2,
{
0x29, 0x0C, 0x05, 0xC3, 0x61, 0x36, 0x1, 0x3, 0x0, 0x0, //Nominal
0x28, 0xa8, 0x05, 0x5f, 0x21, 0x36, 0x1, 0x3, 0x0, 0x0, //PowerSave
0x29, 0x70, 0x06, 0x27, 0x71, 0x36, 0x1, 0x3, 0x0, 0x0, //Turbo
0x29, 0xD4, 0x06, 0x8b, 0x51, 0x36, 0x1, 0x3, 0x0, 0x0, //UltraTurbo
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x0, 0x0, 0x0, //Resistance
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0, 0x0, 0x0, 0x0 //Spare
}
};
uint8_t g_wofData[] = { 0x57, 0x46, 0x54, 0x48 /*MAGIC CODE WFTH*/,
0x00, 0x00, 0x00, 0x01 /*version*/,
0x00, 0x80 /*VFRT block size*/,
0x00, 0x08 /*VFRT header size*/,
0x00, 0x01 /*VFRT data size*/,
0x6 /*Quad value*/,
0x18 /*core count*/,
0x00, 0xFA /*Vdn start*/,
0x00, 0x64 /*Vdn step*/,
0x00, 0x08 /*Vdn size*/,
0x00, 0x00 /*Vdd start*/,
0x00, 0x32 /*Vdd step*/,
0x00, 0x15 /*Vdd size*/,
0x03, 0xE8 /*Vratio start*/,
0x00, 0x53 /*Vratio step*/,
0x00, 0x18 /*Vratio size*/,
0x03, 0xE8 /*Fratio start*/,
0x00, 0x64 /*Fratio step*/,
0x00, 0x5 /*Fratio size*/,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /*Vdn percent*/,
0x00, 0x64 /*Socket power Watts*/,
0x07, 0x4a /*nest freq*/,
0x09, 0x60 /*nominl freq*/,
0x00, 0x00 /*RDP capacity*/,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /* WOF table source tag*/,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /*package name*/,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /*Pad to 128B*/
};
uint8_t g_sysvfrtData[] = {0x56, 0x54, 0x00, 0x00, 0x02, 0x01, 0x01, 0x06, /// VFRT header values
// Magic_codea(2B)
// reserved(2B)
// type(4b),version(4b)
// vdn(1B),vdd(1B)
// quad id(1B)
0xB1, 0xB1, 0xB0, 0xAF, 0xA9, 0xA1, 0x97, 0x8E, 0x86, 0x7F, 0x78, 0x73, 0x6D, 0x68, 0x63, 0x5F, 0x5B, 0x57, 0x53, 0x4E, 0x4D, 0x4D, 0x4D, 0x4D,
0xB1, 0xB1, 0xB0, 0xAF, 0xA9, 0xA1, 0x97, 0x8E, 0x86, 0x7F, 0x78, 0x73, 0x6D, 0x68, 0x63, 0x5F, 0x5B, 0x57, 0x53, 0x4E, 0x4D, 0x4D, 0x4D, 0x4D,
0xB1, 0xB1, 0xB0, 0xAF, 0xA9, 0xA1, 0x97, 0x8E, 0x86, 0x7F, 0x78, 0x73, 0x6D, 0x68, 0x63, 0x5F, 0x5B, 0x57, 0x53, 0x4E, 0x4D, 0x4D, 0x4D, 0x4D,
0xB1, 0xB1, 0xB0, 0xAF, 0xA9, 0xA1, 0x97, 0x8E, 0x86, 0x7F, 0x78, 0x73, 0x6D, 0x68, 0x63, 0x5F, 0x5B, 0x57, 0x53, 0x4E, 0x4D, 0x4D, 0x4D, 0x4D,
0xB1, 0xB1, 0xB0, 0xAF, 0xA9, 0xA1, 0x97, 0x8E, 0x86, 0x7F, 0x78, 0x73, 0x6D, 0x68, 0x63, 0x5F, 0x5B, 0x57, 0x53, 0x4E, 0x4D, 0x4D, 0x4D, 0x4D
};
#define VALIDATE_VID_VALUES(w,x,y,z,state) \
if (!((w < x) && (x < y) && (y < z))) \
{state = 0;}
#define VALIDATE_THRESHOLD_VALUES(w,x,y,z,state) \
if ((w > 0x7 && w != 0xC) || /* overvolt */ \
(x == 8) || (x == 9) || (x > 0xF) || \
(y == 8) || (y == 9) || (y > 0xF) || \
(z == 8) || (z == 9) || (z > 0xF) ) \
{state = 0;}
//w => N_L (w > 7 is invalid)
//x => N_S (x > N_L is invalid)
//y => L_S (y > (N_L - S_N) is invalid)
//z => S_N (z > N_S is invalid
#define VALIDATE_FREQUENCY_DROP_VALUES(w,x,y,z,state) \
if ((w > 7) || \
(x > w) || \
(y > (w - z)) || \
(z > x) || \
((w | x | y | z) == 0)) \
{state = 0; }
#define VALIDATE_WOF_HEADER_DATA(a,b,c,d,e,f,g,state) \
if ( ((!a) || (!b) || (!c) || (!d) || (!e) || (!f) || (!g))) \
{state = 0; }
double internal_ceil(double x)
{
if ((x-(int)(x))>0) return (int)x+1;
return ((int)x);
}
double internal_floor(double x)
{
if(x>=0)return (int)x;
return (int)(x-0.9999999999999999);
}
// Struct Variable for all attributes
AttributeList attr;
// Strings used in traces
char const* vpdSetStr[NUM_VPD_PTS_SET] = VPD_PT_SET_ORDER_STR;
char const* region_names[] = { "REGION_POWERSAVE_NOMINAL",
"REGION_NOMINAL_TURBO",
"REGION_TURBO_ULTRA"
};
char const* prt_region_names[] = VPD_OP_SLOPES_REGION_ORDER_STR;
///--------------------------------------
/// @brief Check wof is enabled or not
/// @param[in] pstate attribute state
/// @return true or false
///--------------------------------------
bool
is_wof_enabled(PSTATE_attribute_state* i_state)
{
return
(!(attr.attr_system_wof_disable) &&
!(attr.attr_dd_wof_not_supported) &&
i_state->iv_wof_enabled)
? true : false;
}
///--------------------------------------
/// @brief Check vdm is enabled or not
/// @param[in] pstate attribute state
/// @return true or false
///--------------------------------------
bool
is_vdm_enabled(PSTATE_attribute_state* i_state)
{
return
(!(attr.attr_system_vdm_disable) &&
!(attr.attr_dd_vdm_not_supported) &&
i_state->iv_vdm_enabled)
? true : false;
}
// START OF PSTATE PARAMETER BLOCK function
fapi2::ReturnCode
p9_pstate_parameter_block( const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
PstateSuperStructure* io_pss,
uint8_t* o_buf,
uint32_t& io_size)
{
FAPI_DBG("> p9_pstate_parameter_block");
const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM;
fapi2::ReturnCode l_rc = 0;
io_size = 0;
do
{
// -----------------------------------------------------------
// Clear the PstateSuperStructure and install the magic number
//----------------------------------------------------------
memset(io_pss, 0, sizeof(PstateSuperStructure));
FAPI_INF("Populating magic number in Pstate Parameter block structure");
(*io_pss).magic = revle64(PSTATE_PARMSBLOCK_MAGIC);
//Local variables for Global,local and OCC parameter blocks
// PGPE content
GlobalPstateParmBlock l_globalppb;
memset (&l_globalppb, 0, sizeof(GlobalPstateParmBlock));
// CME content
LocalPstateParmBlock l_localppb;
memset (&l_localppb, 0, sizeof(LocalPstateParmBlock));
// OCC content
OCCPstateParmBlock l_occppb;
memset (&l_occppb , 0, sizeof (OCCPstateParmBlock));
PSTATE_attribute_state l_state;
l_state.iv_pstates_enabled = true;
l_state.iv_resclk_enabled = true;
l_state.iv_vdm_enabled = true;
l_state.iv_ivrm_enabled = true;
l_state.iv_wof_enabled = true;
// Enablement state
PoundW_data l_poundw_data;
memset (&l_poundw_data,0,sizeof(l_poundw_data));
// MVPD #V variables
uint32_t attr_mvpd_voltage_control[PV_D][PV_W];
uint8_t present_chiplets = 0;
uint32_t valid_pdv_points = 0;
//Variables for Loadline, Distribution loss and offset
SysPowerDistParms l_vdd_sysparm;
memset(&l_vdd_sysparm,0x00,sizeof(SysPowerDistParms));
SysPowerDistParms l_vcs_sysparm;
memset(&l_vcs_sysparm,0x00,sizeof(SysPowerDistParms));
SysPowerDistParms l_vdn_sysparm;
memset(&l_vdn_sysparm,0x00,sizeof(SysPowerDistParms));
// Local IDDQ table variable
IddqTable l_iddqt;
memset( & l_iddqt, 0x00, sizeof(IddqTable));
// Frequency step variable
double l_frequency_step_khz;
//VDM Parm block
GP_VDMParmBlock l_gp_vdmpb;
memset (&l_gp_vdmpb,0x00,sizeof(GP_VDMParmBlock));
LP_VDMParmBlock l_lp_vdmpb;
memset (&l_lp_vdmpb, 0x00, sizeof(LP_VDMParmBlock));
//Resonant Clocking setup
ResonantClockingSetup l_resclk_setup;
memset (&l_resclk_setup,0x00, sizeof(ResonantClockingSetup));
//IVRM Parm block
IvrmParmBlock l_ivrmpb;
memset (&l_ivrmpb, 0x00,sizeof(IvrmParmBlock));
// VPD voltage and frequency biases
VpdBias l_vpdbias[NUM_OP_POINTS];
memset (l_vpdbias,0,sizeof(VpdBias));
// -------------------------
// Get all attributes needed
// -------------------------
FAPI_INF("Getting Attributes to build Pstate Superstructure");
FAPI_TRY(proc_get_attributes(i_target, &attr), "Get attributes function failed");
//if PSTATES_MODE is off then we dont need to execute further to collect
//the data.
if (attr.attr_pstate_mode == fapi2::ENUM_ATTR_SYSTEM_PSTATES_MODE_OFF)
{
FAPI_INF("Pstate mode is to not boot the PGPE. Thus, none of the parameter blocks will be constructed");
// Set the io_size to 0 so that memory allocation issues won't be
// detected by the caller.
io_size = 0;
break;
}
// ----------------
// get #V data
// ----------------
FAPI_IMP("Getting #V Data");
uint8_t l_poundv_bucketId = 0;
// clear MVPD array
memset(attr_mvpd_voltage_control, 0, sizeof(attr_mvpd_voltage_control));
fapi2::voltageBucketData_t l_poundv_data;
FAPI_TRY(proc_get_mvpd_data(i_target, attr_mvpd_voltage_control,
&valid_pdv_points,
&present_chiplets,
l_poundv_bucketId,
&l_poundv_data, &l_state),
"proc_get_mvpd_data function failed to retrieve pound V data");
if (!present_chiplets)
{
FAPI_IMP("**** WARNING : There are no EQ chiplets present which means there is no valid #V VPD");
FAPI_IMP("**** WARNING : Pstates and all related functions will NOT be enabled.");
l_state.iv_pstates_enabled = false;
l_state.iv_resclk_enabled = false;
l_state.iv_resclk_enabled = false;
l_state.iv_wof_enabled = false;
// Set the io_size to 0 so that memory allocation issues won't be
// detected by the caller.
io_size = 0;
break;
}
FAPI_DBG("Pstate Base Frequency - Raw %X (%d)",
attr_mvpd_voltage_control[ULTRA][0] * 1000,
attr_mvpd_voltage_control[ULTRA][0] * 1000);
//Calculate freq step value
l_frequency_step_khz = (attr.attr_freq_proc_refclock_khz /
attr.attr_proc_dpll_divider);
VpdOperatingPoint l_raw_operating_points[NUM_OP_POINTS];
FAPI_INF("Load RAW VPD");
FAPI_TRY(load_mvpd_operating_point(attr_mvpd_voltage_control,
l_raw_operating_points,
l_frequency_step_khz),
"Loading MVPD operating point failed");
// ---------------------------------------------
// process external and internal bias attributes
// ---------------------------------------------
FAPI_IMP("Apply Biasing to #V");
FAPI_TRY(proc_get_extint_bias(attr_mvpd_voltage_control,
&attr,
l_vpdbias),
"Bias application function failed");
//Validating Bias values
FAPI_INF("Validate Biasd Voltage and Frequency values");
FAPI_TRY(proc_chk_valid_poundv( i_target,
attr_mvpd_voltage_control,
&valid_pdv_points,
i_target.getChipletNumber(),
l_poundv_bucketId,
&l_state,true));
FAPI_DBG("Pstate Base Frequency - after bias %X (%d)",
attr_mvpd_voltage_control[ULTRA][0] * 1000,
attr_mvpd_voltage_control[ULTRA][0] * 1000);
// -----------------------------------------------
// System power distribution parameters
// -----------------------------------------------
// VDD rail
l_vdd_sysparm.loadline_uohm = revle32(attr.attr_proc_r_loadline_vdd_uohm);
l_vdd_sysparm.distloss_uohm = revle32(attr.attr_proc_r_distloss_vdd_uohm);
l_vdd_sysparm.distoffset_uv = revle32(attr.attr_proc_vrm_voffset_vdd_uv);
// VCS rail
l_vcs_sysparm.loadline_uohm = revle32(attr.attr_proc_r_loadline_vcs_uohm);
l_vcs_sysparm.distloss_uohm = revle32(attr.attr_proc_r_distloss_vcs_uohm);
l_vcs_sysparm.distoffset_uv = revle32(attr.attr_proc_vrm_voffset_vcs_uv);
// VDN rail
l_vdn_sysparm.loadline_uohm = revle32(attr.attr_proc_r_loadline_vdn_uohm);
l_vdn_sysparm.distloss_uohm = revle32(attr.attr_proc_r_distloss_vdn_uohm);
l_vdn_sysparm.distoffset_uv = revle32(attr.attr_proc_vrm_voffset_vdn_uv);
//if wof is disabled.. don't call IQ function
if (is_wof_enabled(&l_state))
{
// ----------------
// get IQ (IDDQ) data
// ----------------
FAPI_INF("Getting IQ (IDDQ) Data");
l_rc = proc_get_mvpd_iddq(i_target, &l_iddqt, &l_state);
if (l_rc)
{
FAPI_ASSERT_NOEXIT(false,
fapi2::PSTATE_PB_IQ_ACCESS_ERROR(fapi2::FAPI2_ERRL_SEV_RECOVERED)
.set_CHIP_TARGET(i_target)
.set_FAPI_RC(l_rc),
"Pstate Parameter Block proc_get_mvpd_iddq function failed");
fapi2::current_err = fapi2::FAPI2_RC_SUCCESS;
}
}
else
{
FAPI_INF("Skipping IQ (IDDQ) Data as WOF is disabled");
l_state.iv_wof_enabled = false;
}
// ----------------
// get VDM Parameters data
// ----------------
FAPI_INF("Getting VDM Parameters Data");
FAPI_TRY(proc_get_vdm_parms(i_target, &attr, &l_gp_vdmpb));
// Note: the proc_get_mvpd_poundw has the conditional checking for VDM
// and WOF enablement as #W has both VDM and WOF content
l_rc = proc_get_mvpd_poundw(i_target,
l_poundv_bucketId,
&l_lp_vdmpb,
&l_poundw_data,
l_poundv_data, &l_state);
if (l_rc)
{
FAPI_ASSERT_NOEXIT(false,
fapi2::PSTATE_PB_POUND_W_ACCESS_FAIL(fapi2::FAPI2_ERRL_SEV_RECOVERED)
.set_CHIP_TARGET(i_target)
.set_FAPI_RC(l_rc),
"Pstate Parameter Block proc_get_mvpd_poundw function failed");
fapi2::current_err = fapi2::FAPI2_RC_SUCCESS;
}
// ----------------
// get IVRM Parameters data
// ----------------
FAPI_INF("Getting IVRM Parameters Data");
FAPI_TRY(proc_get_ivrm_parms(i_target,
&attr,
&l_ivrmpb,
&l_state));
// -----------------------------------------------
// Global parameter block
// -----------------------------------------------
// Needs to be Endianness corrected going into the block
l_globalppb.magic = revle64(PSTATE_PARMSBLOCK_MAGIC);
l_globalppb.options.options = 0; // until options get defined.
// Pstate Options @todo RTC 161279, Check what needs to be populated here
// @todo RTC 161279 - Corresponds to Pstate 0 . Setting to ULTRA TURBO
// frequency point.
// FIXME this should be the l_operating_points[VPD_PT_SET_BIASED][ULTRA].
// frequency_mhz value with p9_pstate_compute_vpd_pts ahead of this!!!!
l_globalppb.reference_frequency_khz =
revle32((attr_mvpd_voltage_control[ULTRA][0] * 1000));
FAPI_INF("Pstate Base Frequency %X (%d)",
revle32(l_globalppb.reference_frequency_khz),
revle32(l_globalppb.reference_frequency_khz));
// frequency_step_khz
l_globalppb.frequency_step_khz = revle32(l_frequency_step_khz);
l_globalppb.nest_frequency_mhz = revle32(attr.attr_nest_frequency_mhz);
// External VRM parameters
l_globalppb.ext_vrm_transition_start_ns =
revle32(attr.attr_ext_vrm_transition_start_ns);
l_globalppb.ext_vrm_transition_rate_inc_uv_per_us =
revle32(attr.attr_ext_vrm_transition_rate_inc_uv_per_us);
l_globalppb.ext_vrm_transition_rate_dec_uv_per_us =
revle32(attr.attr_ext_vrm_transition_rate_dec_uv_per_us);
l_globalppb.ext_vrm_stabilization_time_us =
revle32(attr.attr_ext_vrm_stabilization_time_us);
l_globalppb.ext_vrm_step_size_mv =
revle32(attr.attr_ext_vrm_step_size_mv);
// -----------------------------------------------
// populate VpdOperatingPoint with biased MVPD attributes
// -----------------------------------------------
FAPI_INF("Load VPD");
// VPD operating point
FAPI_TRY(load_mvpd_operating_point(attr_mvpd_voltage_control,
l_globalppb.operating_points,
l_frequency_step_khz),
"Loading MVPD operating point failed");
// VpdBias External and Internal Biases for Global and Local parameter
// block
for (uint8_t i = 0; i < NUM_OP_POINTS; i++)
{
l_globalppb.ext_biases[i] = l_vpdbias[i];
l_globalppb.int_biases[i] = l_vpdbias[i];
l_localppb.ext_biases[i] = l_vpdbias[i];
l_localppb.int_biases[i] = l_vpdbias[i];
}
l_globalppb.vdd_sysparm = l_vdd_sysparm;
l_globalppb.vcs_sysparm = l_vcs_sysparm;
l_globalppb.vdn_sysparm = l_vdn_sysparm;
// safe_voltage_mv
l_globalppb.safe_voltage_mv = revle32(attr.attr_pm_safe_voltage_mv);
// safe_frequency_khz
l_globalppb.safe_frequency_khz =
revle32(attr.attr_pm_safe_frequency_mhz / 1000);
// vrm_stepdelay_range -@todo RTC 161279 potential attributes to be defined
// vrm_stepdelay_value -@todo RTC 161279 potential attributes to be defined
VpdOperatingPoint l_operating_points[NUM_VPD_PTS_SET][NUM_OP_POINTS];
// Compute VPD points
p9_pstate_compute_vpd_pts(l_operating_points,
&l_globalppb,
l_raw_operating_points);
memcpy(l_globalppb.operating_points_set,
l_operating_points,
sizeof(l_operating_points));
// ----------------
// get Resonant clocking attributes
// ----------------
{
if (attr.attr_resclk_disable == fapi2::ENUM_ATTR_SYSTEM_RESCLK_DISABLE_OFF)
{
FAPI_TRY(proc_set_resclk_table_attrs(i_target,
&l_state),
"proc_set_resclk_table_attrs failed");
if (l_state.iv_resclk_enabled)
{
FAPI_TRY(proc_res_clock_setup(i_target,
&l_resclk_setup,
&l_globalppb));
l_localppb.resclk = l_resclk_setup;
l_globalppb.resclk = l_resclk_setup;
}
FAPI_INF("Resonant Clocks are enabled");
}
else
{
l_state.iv_resclk_enabled = false;
FAPI_INF("Resonant Clocks are disabled. Skipping setup.");
}
}
// VDMParmBlock vdm
l_globalppb.vdm = l_gp_vdmpb;
// IvrmParmBlock
l_globalppb.ivrm = l_ivrmpb;
// Calculate pre-calculated slopes
p9_pstate_compute_PsV_slopes(l_operating_points, &l_globalppb); //Remote this RTC: 174743
p9_pstate_compute_PStateV_slope(l_operating_points, &l_globalppb);
l_globalppb.dpll_pstate0_value =
revle32(revle32(l_globalppb.reference_frequency_khz) /
revle32(l_globalppb.frequency_step_khz));
FAPI_INF("l_globalppb.dpll_pstate0_value %X",
revle32(l_globalppb.dpll_pstate0_value));
// -----------------------------------------------
// Local parameter block
// -----------------------------------------------
l_localppb.magic = revle64(LOCAL_PARMSBLOCK_MAGIC);
// VPD operating point
FAPI_TRY(load_mvpd_operating_point(attr_mvpd_voltage_control,
l_localppb.operating_points,
l_frequency_step_khz),
"Loading MVPD operating point failed");
l_localppb.vdd_sysparm = l_vdd_sysparm;
// IvrmParmBlock
l_localppb.ivrm = l_ivrmpb;
// VDMParmBlock
l_localppb.vdm = l_lp_vdmpb;
l_localppb.dpll_pstate0_value =
revle32(revle32(l_globalppb.reference_frequency_khz) /
revle32(l_globalppb.frequency_step_khz));
FAPI_INF("l_localppb.dpll_pstate0_value %X",
revle32(l_localppb.dpll_pstate0_value));
uint8_t l_biased_pstate[NUM_OP_POINTS];
for (uint8_t i = 0; i < NUM_OP_POINTS; ++i)
{
l_biased_pstate[i] = l_operating_points[VPD_PT_SET_BIASED][i].pstate;
FAPI_INF ("l_biased_pstate %d ", l_biased_pstate[i]);
}
if (attr.attr_system_vdm_disable == fapi2::ENUM_ATTR_SYSTEM_VDM_DISABLE_OFF)
{
p9_pstate_compute_vdm_threshold_pts(l_poundw_data, &l_localppb);
// VID slope calculation
p9_pstate_compute_PsVIDCompSlopes_slopes(l_poundw_data,
&l_localppb,
l_biased_pstate);
// VDM threshold slope calculation
p9_pstate_compute_PsVDMThreshSlopes(&l_localppb, l_biased_pstate);
// VDM Jump slope calculation
p9_pstate_compute_PsVDMJumpSlopes (&l_localppb, l_biased_pstate);
//Initializing threshold values for GPPB
memcpy ( l_globalppb.vid_point_set,
l_localppb.vid_point_set,
sizeof(l_localppb.vid_point_set));
memcpy ( l_globalppb.threshold_set,
l_localppb.threshold_set,
sizeof(l_localppb.threshold_set));
memcpy ( l_globalppb.PsVIDCompSlopes,
l_localppb.PsVIDCompSlopes,
sizeof(l_localppb.PsVIDCompSlopes));
memcpy ( l_globalppb.PsVDMThreshSlopes,
l_localppb.PsVDMThreshSlopes,
sizeof(l_localppb.PsVDMThreshSlopes));
memcpy ( l_globalppb.PsVDMJumpSlopes,
l_localppb.PsVDMJumpSlopes,
sizeof(l_localppb.PsVDMJumpSlopes));
}
// -----------------------------------------------
// OCC parameter block
// -----------------------------------------------
l_occppb.magic = revle64(OCC_PARMSBLOCK_MAGIC);
// VPD operating point
FAPI_TRY(load_mvpd_operating_point(attr_mvpd_voltage_control, l_occppb.operating_points, l_frequency_step_khz),
"Loading MVPD operating point failed");
l_occppb.vdd_sysparm = l_vdd_sysparm;
l_occppb.vcs_sysparm = l_vcs_sysparm;
l_occppb.vdn_sysparm = l_vdn_sysparm;
// frequency_min_khz - Value from Power save operating point after biases
l_occppb.frequency_min_khz = revle32(attr_mvpd_voltage_control[VPD_PV_POWERSAVE][0] * 1000);
// frequency_max_khz - Value from Ultra Turbo operating point after biases
l_occppb.frequency_max_khz = revle32(attr_mvpd_voltage_control[VPD_PV_ULTRA][0] * 1000);
// frequency_step_khz
l_occppb.frequency_step_khz = revle32(l_frequency_step_khz);
//Power bus nest freq
uint16_t l_pbus_nest_freq = revle16(l_poundv_data.pbFreq);
FAPI_INF("l_pbus_nest_freq %x", (l_pbus_nest_freq));
// I- VDN PB current
uint16_t l_vpd_idn_100ma = revle16(l_poundv_data.IdnPbCurr);
FAPI_INF("l_vpd_idn_100ma %x", (l_vpd_idn_100ma));
if (is_wof_enabled(&l_state))
{
// Iddq Table
l_occppb.iddq = l_iddqt;
l_occppb.wof.tdp_rdp_factor = revle32(attr.attr_tdp_rdp_current_factor);
FAPI_INF("l_occppb.wof.tdp_rdp_factor %x", revle32(l_occppb.wof.tdp_rdp_factor));
// nest leakage percent
l_occppb.nest_leakage_percent = attr.attr_nest_leakage_percent;
FAPI_INF("l_occppb.nest_leakage_percent %x", l_occppb.nest_leakage_percent);
l_occppb.lac_tdp_vdd_turbo_10ma =
revle16(l_poundw_data.poundw[TURBO].ivdd_tdp_ac_current_10ma);
l_occppb.lac_tdp_vdd_nominal_10ma =
revle16(l_poundw_data.poundw[NOMINAL].ivdd_tdp_ac_current_10ma);
FAPI_INF("l_occppb.lac_tdp_vdd_turbo_10ma %x", l_occppb.lac_tdp_vdd_turbo_10ma);
FAPI_INF("l_occppb.lac_tdp_vdd_nominal_10ma %x",l_occppb.lac_tdp_vdd_nominal_10ma);
//Power bus vdn voltage
uint16_t l_vpd_vdn_mv = revle16(l_poundv_data.VdnPbVltg);
FAPI_INF("l_vpd_vdn_mv %x", (l_vpd_vdn_mv));
uint8_t l_nest_leakage_for_occ = 75;
uint16_t l_iac_tdp_vdn = get_iac_vdn_value ( l_vpd_vdn_mv,
l_iddqt,
l_nest_leakage_for_occ,
l_vpd_idn_100ma);
if (!l_iac_tdp_vdn)
{
l_state.iv_wof_enabled = false;
}
else
{
l_occppb.ceff_tdp_vdn =
revle16(
pstate_calculate_effective_capacitance(l_iac_tdp_vdn,
l_vpd_vdn_mv * 1000,
l_pbus_nest_freq)
);
}
FAPI_INF("l_iac_tdp_vdn %x", l_iac_tdp_vdn);
FAPI_INF("l_occppb.ceff_tdp_vdn %x", revle16(l_occppb.ceff_tdp_vdn));
}
else
{
l_state.iv_wof_enabled = false;
}
// @todo RTC 161279 - Need Pstate 0 definition and freq2pstate function to be coded
Pstate pstate_min;
int rc = freq2pState(&l_globalppb, revle32(l_occppb.frequency_min_khz), &pstate_min);
switch (rc)
{
case -PSTATE_LT_PSTATE_MIN:
FAPI_INF("OCC Minimum Frequency was clipped to Pstate 0");
break;
case -PSTATE_GT_PSTATE_MAX:
FAPI_INF("OCC Minimum FrequenL1617cy %d KHz is outside the range that can be represented"
" by a Pstate with a base frequency of %d KHz and step size %d KHz",
revle32(l_occppb.frequency_min_khz),
revle32(l_globalppb.reference_frequency_khz),
revle32(l_globalppb.frequency_step_khz));
FAPI_INF("Pstate is set to %X (%d)", pstate_min);
break;
}
l_occppb.pstate_min = pstate_min;
//Check WOF is enabled or not
io_size = 0;
if (is_wof_enabled(&l_state))
{
p9_pstate_wof_initialization(&l_globalppb,
o_buf,
io_size,
&l_state,
attr_mvpd_voltage_control[VPD_PV_ULTRA][0]);
}
else
{
FAPI_INF("WOF is not enabled");
l_state.iv_wof_enabled = false;
}
l_occppb.wof.wof_enabled = l_state.iv_wof_enabled;
// QuadManagerFlags
QuadManagerFlags l_qm_flags;
FAPI_TRY(p9_pstate_set_global_feature_attributes(i_target,
l_state,
&l_qm_flags));
l_localppb.qmflags = l_qm_flags;
// Put out the Parmater Blocks to the trace
gppb_print(&(l_globalppb));
oppb_print(&(l_occppb));
// Populate Global,local and OCC parameter blocks into Pstate super structure
(*io_pss).globalppb = l_globalppb;
(*io_pss).localppb = l_localppb;
(*io_pss).occppb = l_occppb;
}
while(0);
fapi_try_exit:
FAPI_DBG("< p9_pstate_parameter_block");
return fapi2::current_err;
}
// END OF PSTATE PARAMETER BLOCK function
void
p9_pstate_wof_initialization (const GlobalPstateParmBlock* i_gppb,
uint8_t* o_buf,
uint32_t& io_size,
PSTATE_attribute_state* o_state,
const uint32_t i_base_state_frequency)
{
FAPI_DBG(">> WOF initialization");
fapi2::ReturnCode l_rc = 0;
//this structure has VFRT header + data
HomerVFRTLayout_t l_vfrt;
memset (&l_vfrt, 0, sizeof(l_vfrt));
// Use new to avoid over-running the stack
fapi2::ATTR_WOF_TABLE_DATA_Type* l_wof_table_data =
(fapi2::ATTR_WOF_TABLE_DATA_Type*)new fapi2::ATTR_WOF_TABLE_DATA_Type;
FAPI_DBG("l_wof_table_data addr = %p size = %d",
l_wof_table_data, sizeof(fapi2::ATTR_WOF_TABLE_DATA_Type));
do
{
// If this attribute is set, fill in l_wof_table_data with the VFRT data
// from the internal, static table.
const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM;
fapi2::ATTR_SYS_VFRT_STATIC_DATA_ENABLE_Type l_sys_vfrt_static_data = 0;
FAPI_ATTR_GET(fapi2::ATTR_SYS_VFRT_STATIC_DATA_ENABLE,
FAPI_SYSTEM,
l_sys_vfrt_static_data);
if (l_sys_vfrt_static_data)
{
FAPI_DBG("ATTR_SYS_VFRT_STATIC_DATA_ENABLE is SET");
// Copy WOF header data
memcpy (l_wof_table_data, g_wofData, sizeof(g_wofData));
uint32_t l_index = sizeof(g_wofData);
WofTablesHeader_t* p_wfth;
p_wfth = reinterpret_cast<WofTablesHeader_t*>(l_wof_table_data);
FAPI_INF("WFTH: %X", revle32(p_wfth->magic_number));
memcpy(&l_vfrt, &g_sysvfrtData, sizeof (g_sysvfrtData));
for (uint32_t vdn = 0; vdn < CEF_VDN_INDEX; ++vdn)
{
l_vfrt.vfrtHeader.res_vdnId = vdn;
for (uint32_t vdd = 0; vdd < CEF_VDD_INDEX; ++vdd)
{
for (uint32_t qid = 0; qid < ACTIVE_QUADS; ++qid)
{
l_vfrt.vfrtHeader.VddId_QAId = vdd << 4 | qid;
FAPI_DBG(" l_vfrt.vfrtHeader res_vdnId = %1X VddId_QAId = 0x%2X",
l_vfrt.vfrtHeader.res_vdnId,
l_vfrt.vfrtHeader.VddId_QAId);
memcpy((*l_wof_table_data) + l_index, &l_vfrt, sizeof (l_vfrt));
l_index += sizeof (g_sysvfrtData);
}
}
}
io_size = l_index;
FAPI_DBG(" io_size = %d", io_size);
}
else
{
FAPI_DBG("ATTR_SYS_VFRT_STATIC_DATA_ENABLE is not SET");
// Read System VFRT data
l_rc = FAPI_ATTR_GET(fapi2::ATTR_WOF_TABLE_DATA,
FAPI_SYSTEM,
(*l_wof_table_data));
if (l_rc)
{
o_state->iv_wof_enabled = false;
FAPI_ASSERT_NOEXIT(false,
fapi2::PSTATE_PB_WOF_TABLE_ACCESS_FAIL(fapi2::FAPI2_ERRL_SEV_RECOVERED)
.set_CHIP_TARGET(FAPI_SYSTEM)
.set_FAPI_RC(l_rc),
"Pstate Parameter Block ATTR_WOF_TABLE_DATA attribute failed");
break;
}
}
// Copy WOF header data
memcpy (o_buf, (*l_wof_table_data), sizeof(WofTablesHeader_t));
uint32_t l_wof_table_index = sizeof(WofTablesHeader_t);
uint32_t l_index = sizeof(WofTablesHeader_t);
//Validate WOF header part
WofTablesHeader_t* p_wfth;
p_wfth = reinterpret_cast<WofTablesHeader_t*>(o_buf);
FAPI_INF("WFTH: %X", revle32(p_wfth->magic_number));
bool l_wof_header_data_state = 1;
VALIDATE_WOF_HEADER_DATA(p_wfth->magic_number,
p_wfth->reserved_version,
p_wfth->vfrt_block_size,
p_wfth->vfrt_block_header_size,
p_wfth->vfrt_data_size,
p_wfth->quads_active_size,
p_wfth->core_count,
l_wof_header_data_state);
if (!l_wof_header_data_state)
{
o_state->iv_wof_enabled = false;
FAPI_ASSERT_NOEXIT(false,
fapi2::PSTATE_PB_WOF_HEADER_DATA_INVALID(fapi2::FAPI2_ERRL_SEV_RECOVERED)
.set_CHIP_TARGET(FAPI_SYSTEM)
.set_MAGIC_NUMBER(p_wfth->magic_number)
.set_VERSION(p_wfth->reserved_version)
.set_VFRT_BLOCK_SIZE(p_wfth->vfrt_block_size)
.set_VFRT_HEADER_SIZE(p_wfth->vfrt_block_header_size)
.set_VFRT_DATA_SIZE(p_wfth->vfrt_data_size)
.set_QUADS_ACTIVE_SIZE(p_wfth->quads_active_size)
.set_CORE_COUNT(p_wfth->core_count),
"Pstate Parameter Block WOF Header validation failed");
break;
}
// Convert system vfrt to homer vfrt
for (uint32_t vfrt_index = 0;
vfrt_index < (CEF_VDN_INDEX * CEF_VDD_INDEX * ACTIVE_QUADS);
++vfrt_index)
{
p9_pstate_update_vfrt (i_gppb,
((*l_wof_table_data) + l_wof_table_index),
&l_vfrt,
i_base_state_frequency);
FAPI_INF("VFRT: %X", l_vfrt.vfrtHeader.magic_number);
// Check for "VT" at the start of the magic number
if (revle16(l_vfrt.vfrtHeader.magic_number) != 0x5654)
{
o_state->iv_wof_enabled = false;
FAPI_ASSERT_NOEXIT(false,
fapi2::PSTATE_PB_VFRT_HEADER_DATA_INVALID(fapi2::FAPI2_ERRL_SEV_RECOVERED)
.set_CHIP_TARGET(FAPI_SYSTEM)
.set_MAGIC_NUMBER(l_vfrt.vfrtHeader.magic_number)
.set_VFRT_INDEX(vfrt_index),
"Pstate Parameter Block: Invalid VFRT Magic word");
break;
}
l_wof_table_index += 128; //System vFRT size is 128B..hence need to jump after each VFRT entry
memcpy(o_buf + l_index, &l_vfrt, sizeof (l_vfrt));
l_index += sizeof (l_vfrt);
}
io_size = l_index;
} while(0);
delete l_wof_table_data;
fapi2::current_err = fapi2::FAPI2_RC_SUCCESS;
FAPI_DBG("<< WOF initialization");
return;
}
// START OF GET ATTRIBUTES functionfapi2/include/fapi2_error_scope.H
fapi2::ReturnCode
proc_get_attributes ( const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
AttributeList* io_attr)
{
const uint32_t EXT_VRM_TRANSITION_START_NS = 8000;
const uint32_t EXT_VRM_TRANSITION_RATE_INC_UV_PER_US = 10000;
const uint32_t EXT_VRM_TRANSITION_RATE_DEC_UV_PER_US = 10000;
const uint32_t EXT_VRM_STABILIZATION_TIME_NS = 5;
const uint32_t EXT_VRM_STEPSIZE_MV = 50;
const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM;
// --------------------------
// attributes not yet defined