L2 HWP p9_pm_pfet_control update to use common lib module

Change-Id: Id00bef22693ea9532931a7182a6dba7f729fb837
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/27078
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-by: YUE DU <daviddu@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/31215
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: AMIT J. TENDOLKAR <amit.tendolkar@in.ibm.com>

2 files changed, 21 insertions, 380 deletions

diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_pm_pfet_control.C b/src/import/chips/p9/procedures/hwp/pm/p9_pm_pfet_control.C
index 60b71efd..d05e536a 100755
--- a/src/import/chips/p9/procedures/hwp/pm/p9_pm_pfet_control.C
+++ b/src/import/chips/p9/procedures/hwp/pm/p9_pm_pfet_control.C
@@ -94,13 +94,14 @@
 // Procedure Prereq:
 //    - System clocks are running
 //
-// @TODO:RTC:157109
 // @endverbatim
 //------------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------
 // Includes
 // ----------------------------------------------------------------------
+#include <p9_common_poweronoff.H>
+#include <p9_common_poweronoff.C>
 #include <p9_pm_pfet_control.H>
 
 //------------------------------------------------------------------------------
@@ -111,38 +112,6 @@
 // Global variables
 //------------------------------------------------------------------------------
 
-enum pfetRegField
-{
-    PFET_NOP           = 0,
-    PFET_FORCE_VOFF    = 1,
-    PFET_NOP_RESERVERD = 2,
-    PFET_FORCE_VON     = 3
-};
-
-enum PFCS_Bits
-{
-    VDD_PFET_FORCE_STATE_BIT             = 0,
-    VCS_PFET_FORCE_STATE_BIT             = 2,
-    VDD_PFET_VAL_OVERRIDE_BIT            = 4,
-    VDD_PFET_SEL_OVERRIDE_BIT            = 5,
-    VCS_PFET_VAL_OVERRIDE_BIT            = 6,
-    VCS_PFET_SEL_OVERRIDE_BIT            = 7,
-    VDD_PFET_REGULATION_FINGER_EN_BIT    = 8,
-    VDD_PFET_REGULATION_FINGER_VALUE_BIT = 9,
-    RESERVED1_BIT                        = 10,
-    VDD_PFET_ENABLE_VALUE_BIT            = 12,
-    VDD_PFET_SEL_VALUE_BIT               = 20,
-    VCS_PFET_ENABLE_VALUE_BIT            = 24,
-    VCS_PFET_SEL_VALUE_BIT               = 32,
-    RESERVED2_BIT                        = 36,
-    VDD_PG_STATE_BIT                     = 42,
-    VDD_PG_SEL_BIT                       = 46,
-    VCS_PG_STATE_BIT                     = 50,
-    VCS_PG_SEL_BIT                       = 54,
-    RESERVED3_BIT                        = 58
-};
-
-
 //------------------------------------------------------------------------------
 // Function definitions
 //------------------------------------------------------------------------------
@@ -162,44 +131,6 @@ static fapi2::ReturnCode pfet_ctrl(
     const PM_PFET_TYPE_C::pfet_rail_t  i_rail,
     const PM_PFET_TYPE_C::pfet_force_t i_op);
 
-///
-/// @brief Enable power on/off for core and cache chiplets-VDD
-///
-/// @param [in]  i_target          Target type Core/EQ/Ex chiplet
-/// @param [in]  i_op              Valid options:OFF/ON
-/// @param [in]  i_PPM_PFCS_RW     Register offset for target type Core/EQ/EX
-/// @param [in]  i_PPM_PFCS_CLR    Register offset for target type Core/EQ/EX
-/// @param [in]  i_PPM_PFCS_OR     Register offset for target type Core/EQ/EX
-///
-/// @return FAPI2_RC_SUCCESS on success, error otherwise.
-///
-template <fapi2::TargetType K >
-fapi2::ReturnCode pfet_ctrl_vdd(
-    const fapi2::Target< K >&  i_target,
-    const PM_PFET_TYPE_C::pfet_force_t  i_op,
-    const uint64_t i_PPM_PFCS_RW,
-    const uint64_t i_PPM_PFCS_CLR,
-    const uint64_t i_PPM_PFCS_OR);
-
-///
-/// @brief Enable power on/off for core and cache chiplets-VCS
-///
-/// @param [in]  i_target          Target type Core/EQ/Ex chiplet
-/// @param [in]  i_op              Valid options:OFF/ON
-/// @param [in]  i_PPM_PFCS_RW     Register offset for target type Core/EQ/EX
-/// @param [in]  i_PPM_PFCS_CLR    Register offset for target type Core/EQ/EX
-/// @param [in]  i_PPM_PFCS_OR     Register offset for target type Core/EQ/EX
-///
-/// @return FAPI2_RC_SUCCESS on success, error otherwise.
-///
-template <fapi2::TargetType K >
-fapi2::ReturnCode pfet_ctrl_vcs(
-    const fapi2::Target< K >&  i_target,
-    const PM_PFET_TYPE_C::pfet_force_t  i_op,
-    const uint64_t i_PPM_PFCS_RW,
-    const uint64_t i_PPM_PFCS_CLR,
-    const uint64_t i_PPM_PFCS_OR);
-
 
 // Procedure pfet control-EQ entry point, comments in header
 fapi2::ReturnCode p9_pm_pfet_control_eq(
@@ -218,7 +149,7 @@ fapi2::ReturnCode p9_pm_pfet_control_eq(
     FAPI_INF("pfet control for EQ chiplet %d", l_unit_pos);
 
     // When i_op == OFF all functional cores first followed by EQ
-    // When i_op ==  ON EQ first followed by all functional cores
+    // When i_op == ON EQ first followed by all functional cores
     if(i_op == PM_PFET_TYPE_C::ON)
     {
         FAPI_TRY(pfet_ctrl<fapi2::TargetType::TARGET_TYPE_EQ>(i_target,
@@ -326,17 +257,7 @@ fapi2::ReturnCode pfet_ctrl(
     const PM_PFET_TYPE_C::pfet_force_t i_op)
 {
     fapi2::current_err = fapi2::FAPI2_RC_SUCCESS;
-    fapi2::buffer<uint64_t> l_data64;
-    fapi2::buffer<uint64_t> l_temp64;
-
     uint8_t l_unit_pos     = 0;
-    uint8_t VDD_VCS_PFET_FORCE_STATE_BITS_0_3 = VDD_PFET_FORCE_STATE_BIT;
-
-    // Registers used to perform power on/off to core & cache chiplets
-    // PPM PFETCNTLSTAT REG
-    uint64_t PPM_PFCS_RW = 0;
-    uint64_t PPM_PFCS_CLR = 0;
-    uint64_t PPM_PFCS_OR = 0;
 
     FAPI_INF("pfet_ctrl: Entering...");
 
@@ -347,23 +268,10 @@ fapi2::ReturnCode pfet_ctrl(
     if(i_target.getType() & fapi2::TARGET_TYPE_CORE)
     {
         FAPI_INF("pfet control for Core chiplet %d", l_unit_pos);
-        PPM_PFCS_RW = C_PPM_PFCS_SCOM;    //PPM_PFCS_RW
-        PPM_PFCS_CLR = C_PPM_PFCS_SCOM1;  //PPM_PFCS_CLR
-        PPM_PFCS_OR = C_PPM_PFCS_SCOM2;   //PPM_PFCS_OR
     }
     else if(i_target.getType() & fapi2::TARGET_TYPE_EQ)
     {
         FAPI_INF("pfet control for EQ chiplet %d", l_unit_pos);
-        PPM_PFCS_RW = EQ_PPM_PFCS_SCOM;
-        PPM_PFCS_CLR = EQ_PPM_PFCS_SCOM1;
-        PPM_PFCS_OR = EQ_PPM_PFCS_SCOM2;
-    }
-    else if(i_target.getType() & fapi2::TARGET_TYPE_EX)
-    {
-        FAPI_INF("pfet control for EX chiplet %d", l_unit_pos);
-        PPM_PFCS_RW = EX_PPM_PFCS_SCOM;
-        PPM_PFCS_CLR = EX_PPM_PFCS_SCOM1;
-        PPM_PFCS_OR = EX_PPM_PFCS_SCOM2;
     }
     else
     {
@@ -374,329 +282,65 @@ fapi2::ReturnCode pfet_ctrl(
                     "ERROR: Invalid chiplet selected. Target:%x", i_target);
     }
 
-    // Check for PFET hardware FSM
-    // Read PFETCNTLSTAT_REG and check for bits [0:3]=0b0000
-    FAPI_DBG("Make sure that we are not forcing PFET for VCS or VDD off");
-    FAPI_TRY(fapi2::getScom(i_target, PPM_PFCS_RW, l_data64),
-             "Failed to read PPM_PFCS_RW");
-
-    l_data64.extractToRight(l_temp64, VDD_VCS_PFET_FORCE_STATE_BITS_0_3, 4);
-
-    FAPI_ASSERT(l_temp64 == 0,
-                fapi2::PFET_FORCE_STATE_NOT_ZERO_ERROR()
-                .set_VALUE(l_temp64).set_TARGET(i_target),
-                "ERROR: PFET force state not zero");
-
     switch(i_op)
     {
         case PM_PFET_TYPE_C::OFF:
             switch(i_rail)
             {
                 case PM_PFET_TYPE_C::BOTH:
-                case PM_PFET_TYPE_C::VCS:
-                    if(( (i_rail == PM_PFET_TYPE_C::BOTH) && (i_target.getType() & fapi2::TARGET_TYPE_EQ) ) ||
-                       ( (i_rail == PM_PFET_TYPE_C::VCS)  && (i_target.getType() & fapi2::TARGET_TYPE_EQ) ))
+                    if(i_target.getType() & fapi2::TARGET_TYPE_EQ)
                     {
-                        // VCS first, VDD second for BOTH rails power off
-                        pfet_ctrl_vcs(i_target,
-                                      i_op,
-                                      PPM_PFCS_RW,
-                                      PPM_PFCS_CLR,
-                                      PPM_PFCS_OR);
-
-                        if(i_rail == PM_PFET_TYPE_C::BOTH)
-                        {
-                            pfet_ctrl_vdd(i_target,
-                                          i_op,
-                                          PPM_PFCS_RW,
-                                          PPM_PFCS_CLR,
-                                          PPM_PFCS_OR);
-                        }
-
-                        break;
+                        FAPI_TRY(p9_common_poweronoff(i_target, p9power::POWER_OFF));
                     }
                     else
                     {
                         FAPI_IMP("WARNING:Only VDD (not BOTH/VCS) is controlled for target Core & EX");
-
-                        if(i_rail == PM_PFET_TYPE_C::VCS)
-                        {
-                            break;
-                        }
+                        FAPI_TRY(p9_common_poweronoff(i_target, p9power::POWER_OFF_VDD));
                     }
 
+                    break;
+
                 case PM_PFET_TYPE_C::VDD:
-                    pfet_ctrl_vdd(i_target,
-                                  i_op,
-                                  PPM_PFCS_RW,
-                                  PPM_PFCS_CLR,
-                                  PPM_PFCS_OR);
+                    FAPI_TRY(p9_common_poweronoff(i_target, p9power::POWER_OFF_VDD));
+                    break;
 
+                case PM_PFET_TYPE_C::VCS:
+                    FAPI_IMP("WARNING:Only VDD or both VDD/VCS controlled for target Core/EX & Cache respectively");
                     break;
             }
 
             break;
 
         case PM_PFET_TYPE_C::ON:
-            if(i_target.getType() & fapi2::TARGET_TYPE_EX)
-            {
-                FAPI_IMP("WARNING:Target EX only power off the two cores associated with that 'half' of the quad");
-                break;
-            }
-
             switch(i_rail)
             {
                 case PM_PFET_TYPE_C::BOTH:
-                case PM_PFET_TYPE_C::VDD:
-                    // VDD first, VCS second for BOTH rails power on
-                    pfet_ctrl_vdd(i_target,
-                                  i_op,
-                                  PPM_PFCS_RW,
-                                  PPM_PFCS_CLR,
-                                  PPM_PFCS_OR);
-
-                    if( (i_rail == PM_PFET_TYPE_C::BOTH) && (i_target.getType() & fapi2::TARGET_TYPE_EQ) )
-                    {
-                        pfet_ctrl_vcs(i_target,
-                                      i_op,
-                                      PPM_PFCS_RW,
-                                      PPM_PFCS_CLR,
-                                      PPM_PFCS_OR);
-                    }
-
-                    if(( (i_rail == PM_PFET_TYPE_C::BOTH) && (i_target.getType() & fapi2::TARGET_TYPE_CORE) ) ||
-                       ( (i_rail == PM_PFET_TYPE_C::BOTH) && (i_target.getType() & fapi2::TARGET_TYPE_EX) ))
-                    {
-                        FAPI_IMP("WARNING:Only VDD (not BOTH/VCS) is controlled for target Core & EX");
-                    }
-
-                    break;
-
-                case PM_PFET_TYPE_C::VCS:
                     if(i_target.getType() & fapi2::TARGET_TYPE_EQ)
                     {
-                        pfet_ctrl_vcs(i_target,
-                                      i_op,
-                                      PPM_PFCS_RW,
-                                      PPM_PFCS_CLR,
-                                      PPM_PFCS_OR);
+                        FAPI_TRY(p9_common_poweronoff(i_target, p9power::POWER_ON));
                     }
                     else
                     {
                         FAPI_IMP("WARNING:Only VDD (not BOTH/VCS) is controlled for target Core & EX");
+                        FAPI_TRY(p9_common_poweronoff(i_target, p9power::POWER_ON_VDD));
                     }
 
                     break;
-            }
-
-            break;
-    }
-
-fapi_try_exit:
-    return fapi2::current_err;
-}
 
+                case PM_PFET_TYPE_C::VDD:
+                    FAPI_TRY(p9_common_poweronoff(i_target, p9power::POWER_ON_VDD));
+                    break;
 
-//------------------------------------------------------------------------------
-// pfet_ctrl_vdd:
-//  Function to power on/off core and cache chiplets
-//------------------------------------------------------------------------------
-template <fapi2::TargetType K >
-fapi2::ReturnCode pfet_ctrl_vdd(
-    const fapi2::Target< K >&  i_target,
-    const PM_PFET_TYPE_C::pfet_force_t i_op,
-    const uint64_t i_PPM_PFCS_RW,
-    const uint64_t i_PPM_PFCS_CLR,
-    const uint64_t i_PPM_PFCS_OR)
-{
-    fapi2::current_err = fapi2::FAPI2_RC_SUCCESS;
-    fapi2::buffer<uint64_t> l_data64;
-    fapi2::buffer<uint64_t> l_temp64;
-
-    uint16_t                 l_delayCnt = 10000;
-
-    FAPI_INF("pfet_ctrl_vdd: Entering...");
-
-    if(i_op == PM_PFET_TYPE_C::OFF)
-    {
-        // Clear VDD PFET stage select and value override bits
-        FAPI_DBG("Clear VDD PFET stage select and value override bits");
-        l_data64.flush<0>().
-        setBit<VDD_PFET_FORCE_STATE_BIT, 2>().
-        setBit<VDD_PFET_VAL_OVERRIDE_BIT>().
-        setBit<VDD_PFET_SEL_OVERRIDE_BIT>().
-        setBit<VDD_PFET_REGULATION_FINGER_EN_BIT>();
-
-        FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_CLR, l_data64),
-                 "putScom failed for address PPM_PFCS_CLR");
-
-        FAPI_DBG("Force VDD off");
-        l_data64.flush<0>().insertFromRight(PFET_FORCE_VOFF, VDD_PFET_FORCE_STATE_BIT, 2);
-        FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_OR, l_data64),
-                 "putScom failed for address PPM_PFCS_OR");
-    }
-    else
-    {
-        // Clear VDD PFET stage select and value override bits
-        FAPI_DBG("Clear VDD PFET stage select and value override bits");
-        l_data64.flush<0>().
-        setBit<VDD_PFET_VAL_OVERRIDE_BIT>().
-        setBit<VDD_PFET_SEL_OVERRIDE_BIT>().
-        setBit<VDD_PFET_REGULATION_FINGER_EN_BIT>();
-
-        FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_CLR, l_data64),
-                 "putScom failed for address PPM_PFCS_CLR");
-
-        FAPI_DBG("Force VDD on");
-        l_data64.flush<0>().insertFromRight(PFET_FORCE_VON, VDD_PFET_FORCE_STATE_BIT, 2);
-        FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_OR, l_data64),
-                 "putScom failed for address PPM_PFCS_OR");
-    }
-
-    // Check for valid power on completion
-    // Poll for PFETCNTLSTAT_REG[VDD_PG_STATE] for 0b1000 (FSM idle)
-    // Timeout value = 1ms
-    // Polling the register in the interval of 100us (max 100us*10=1ms)
-    FAPI_DBG("Polling register in interval of 100us (max 100us*10=1ms) \
-             for power gate sequencer state: FSM idle else timeout");
-
-    do
-    {
-        fapi2::delay(PFET_DELAY, PFET_SIM_CYCLES_DELAY);
-
-        FAPI_TRY(fapi2::getScom(i_target, i_PPM_PFCS_RW, l_data64),
-                 "getScom failed for address PPM_PFCS_RW");
-        l_data64.extractToRight(l_temp64, VDD_PG_STATE_BIT, 4);
+                case PM_PFET_TYPE_C::VCS:
+                    FAPI_IMP("WARNING:Only VDD or both VDD/VCS controlled for target Core/EX & Cache respectively");
+                    break;
+            }
 
-        if(l_temp64 == 0x8)
-        {
             break;
-        }
-
-        l_delayCnt--;
     }
-    while(l_delayCnt > 0);
-
-    FAPI_INF("Delay count: %d", l_delayCnt);
-
-    FAPI_ASSERT(l_temp64 == 0x8,
-                fapi2::PFET_CTRL_VDD_PG_STATE_TIMEOUT_ERROR()
-                .set_VALUE(l_temp64).set_TARGET(i_target),
-                "ERROR: VDD FSM idle timeout");
-
-    // Optional check VDD_PG_SEL
-    FAPI_DBG("Optionally checking for VDD_PG_SEL value");
-    l_data64.extractToRight(l_temp64, VDD_PG_SEL_BIT, 4);
-    FAPI_DBG("Value of VDD_PG_SEL: %0x", l_temp64);
-
-    // Write PFETCNTLSTAT_REG_WCLEAR vdd_pfet_force_state = 00 (No Operation)
-    FAPI_DBG("vdd_pfet_force_state = 00, or Idle");
-    l_data64.flush<0>().setBit<VDD_PFET_FORCE_STATE_BIT, 2>();
-    FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_CLR, l_data64),
-             "putScom failed for address PPM_PFCS_CLR");
 
 fapi_try_exit:
     return fapi2::current_err;
 }
 
 
-//------------------------------------------------------------------------------
-// pfet_ctrl_vcs:
-//  Function to power on/off core and cache chiplets
-//------------------------------------------------------------------------------
-template <fapi2::TargetType K >
-fapi2::ReturnCode pfet_ctrl_vcs(
-    const fapi2::Target< K >&  i_target,
-    const PM_PFET_TYPE_C::pfet_force_t i_op,
-    const uint64_t i_PPM_PFCS_RW,
-    const uint64_t i_PPM_PFCS_CLR,
-    const uint64_t i_PPM_PFCS_OR)
-{
-    fapi2::current_err = fapi2::FAPI2_RC_SUCCESS;
-    fapi2::buffer<uint64_t> l_data64;
-    fapi2::buffer<uint64_t> l_temp64;
-
-    uint16_t                 l_delayCnt = 10000;
-
-    FAPI_INF("pfet_ctrl_vcs: Entering...");
-
-    if(i_op == PM_PFET_TYPE_C::OFF)
-    {
-        // Clear VCS PFET stage select and value override bits
-        FAPI_DBG("Clear VCS PFET stage select and value override bits");
-        l_data64.flush<0>().
-        setBit<VCS_PFET_FORCE_STATE_BIT, 2>().
-        setBit<VCS_PFET_VAL_OVERRIDE_BIT>().
-        setBit<VCS_PFET_SEL_OVERRIDE_BIT>();
-
-        FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_CLR, l_data64),
-                 "putScom failed for address PPM_PFCS_CLR");
-
-        FAPI_DBG("Force VCS off");
-        l_data64.flush<0>().insertFromRight(PFET_FORCE_VOFF, VCS_PFET_FORCE_STATE_BIT, 2);
-        FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_OR, l_data64),
-                 "putScom failed for address PPM_PFCS_OR");
-    }
-    else
-    {
-        // Clear VCS PFET stage select and value override bits
-        FAPI_DBG("Clear VCS PFET stage select and value override bits");
-        l_data64.flush<0>().
-        setBit<VCS_PFET_VAL_OVERRIDE_BIT>().
-        setBit<VCS_PFET_SEL_OVERRIDE_BIT>();
-
-        FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_CLR, l_data64),
-                 "putScom failed for address PPM_PFCS_CLR");
-
-        FAPI_DBG("Force VCS on");
-        l_data64.flush<0>().insertFromRight(PFET_FORCE_VON, VCS_PFET_FORCE_STATE_BIT, 2);
-        FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_OR, l_data64),
-                 "putScom failed for address PPM_PFCS_OR");
-    }
-
-    // Check for valid power on completion
-    // Poll for PFETCNTLSTAT_REG[VCS_PG_STATE] for 0b1000 (FSM idle)
-    // Timeout value = 1ms
-    // Polling the register in the interval of 100us (max 100us*10=1ms)
-    FAPI_DBG("Polling register in interval of 100us (max 100us*10=1ms) \
-             for power gate sequencer state: FSM idle else timeout");
-
-    do
-    {
-        fapi2::delay(PFET_DELAY, PFET_SIM_CYCLES_DELAY);
-
-        FAPI_TRY(fapi2::getScom(i_target, i_PPM_PFCS_RW, l_data64),
-                 "getScom failed for address PPM_PFCS_RW");
-        l_data64.extractToRight(l_temp64, VCS_PG_STATE_BIT, 4);
-
-        if(l_temp64 == 0x8)
-        {
-            break;
-        }
-
-        l_delayCnt--;
-    }
-    while(l_delayCnt > 0);
-
-    FAPI_INF("Delay count: %d", l_delayCnt);
-
-    FAPI_ASSERT(l_temp64 == 0x8,
-                fapi2::PFET_CTRL_VCS_PG_STATE_TIMEOUT_ERROR()
-                .set_VALUE(l_temp64).set_TARGET(i_target),
-                "ERROR: VCS FSM idle timeout");
-
-    // Optional check VCS_PG_SEL
-    FAPI_DBG("Optionally checking for VCS_PG_SEL value");
-    l_data64.extractToRight(l_temp64, VCS_PG_SEL_BIT, 4);
-    FAPI_DBG("Value of VCS_PG_SEL: %0x", l_temp64);
-
-    // Write PFETCNTLSTAT_REG_WCLEAR vcs_pfet_force_state = 00 (No Operation)
-    FAPI_DBG("vcs_pfet_force_state = 00, or Idle");
-    l_data64.flush<0>().setBit<VCS_PFET_FORCE_STATE_BIT, 2>();
-    FAPI_TRY(fapi2::putScom(i_target, i_PPM_PFCS_CLR, l_data64),
-             "putScom failed for address PPM_PFCS_CLR");
-
-fapi_try_exit:
-    return fapi2::current_err;
-}
-
diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_pm_pfet_control.H b/src/import/chips/p9/procedures/hwp/pm/p9_pm_pfet_control.H
index 7f12c0b0..ff1598b1 100755
--- a/src/import/chips/p9/procedures/hwp/pm/p9_pm_pfet_control.H
+++ b/src/import/chips/p9/procedures/hwp/pm/p9_pm_pfet_control.H
@@ -45,9 +45,6 @@
 #include <fapi2.H>
 #include <p9_quad_scom_addresses.H>
 
-static int const PFET_DELAY = 100000;         // 100us in ns
-static int const PFET_SIM_CYCLES_DELAY = 0;
-
 namespace PM_PFET_TYPE_C
 {
 //Valid rail options