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-rw-r--r--src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.C214
-rw-r--r--src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.H18
-rw-r--r--src/import/chips/p9/procedures/xml/attribute_info/pm_plat_attributes.xml16
3 files changed, 138 insertions, 110 deletions
diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.C b/src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.C
index 3206d9221..bf4e71489 100644
--- a/src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.C
+++ b/src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.C
@@ -174,7 +174,8 @@ struct avsbus_attrs_t
//@return Return code void
fapi2::ReturnCode
avsInitAttributes(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
- avsbus_attrs_t* attrs)
+ avsbus_attrs_t* attrs,
+ const VoltageConfigActions_t i_action)
{
attrs->vdd_bus_num = DEFAULT_VDD_BUS_NUMBER;
@@ -203,60 +204,71 @@ avsInitAttributes(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_VDN_BOOT_VOLTAGE, i_target,
attrs->vdn_voltage_mv));
- // If attribute values are zero, use the default values (hardcoded)
- // check VDD VID
- if (attrs->vdd_voltage_mv == 0)
+ //We only wish to compute voltage setting defaults if the action
+ //inputed to the HWP tells us to
+ if(i_action == COMPUTE_VOLTAGE_SETTINGS)
{
- // Default voltage if mailbox value is not set
-
- // @todo L3 - Eventually, this should replaced with an error point
- // to indicate that the mailbox -> attributes haven't been setup
-
- attrs->vdd_voltage_mv = DEFAULT_BOOT_VDD_VOLTAGE_MV;
- FAPI_INF("VDD boot voltage not set in attributes. Setting to default of %d mV (%x)",
- attrs->vdd_voltage_mv, attrs->vdd_voltage_mv);
- }
- else
- {
- FAPI_INF("VDD boot voltage = %d mV (%x)",
- attrs->vdd_voltage_mv, attrs->vdd_voltage_mv);
- }
-
- // check VCS VID
- if (attrs->vcs_voltage_mv == 0)
- {
- // Default voltage if mailbox value is not set
-
- // @todo L3 - Eventually, this should replaced with an error point
- // to indicate that the mailbox -> attributes haven't been setup
-
- attrs->vcs_voltage_mv = DEFAULT_BOOT_VCS_VOLTAGE_MV;
- FAPI_INF("VCS boot voltage not set in attributes. Setting to default of %d mV (%x)",
- attrs->vcs_voltage_mv, attrs->vcs_voltage_mv);
- }
- else
- {
- FAPI_INF("VCS boot voltage = %d mV (%x)",
- attrs->vcs_voltage_mv, attrs->vcs_voltage_mv);
- }
-
- // check VDN VID
- if (attrs->vdn_voltage_mv == 0)
- {
- // Default voltage if mailbox value is not set
-
- // @todo -L3 Eventually, this should replaced with an error point
- // to indicate that the mailbox -> attributes haven't been setup
-
- attrs->vdn_voltage_mv = DEFAULT_BOOT_VDN_VOLTAGE_MV;
- FAPI_INF("VDN boot voltage not set in attributes. Setting to default of %d mV (%x)",
- attrs->vdn_voltage_mv, attrs->vdn_voltage_mv);
- }
- else
- {
- FAPI_INF("VDN boot voltage = %d mV (%x)",
- attrs->vdn_voltage_mv, attrs->vdn_voltage_mv);
+ // If attribute values are zero, use the default values (hardcoded)
+ // check VDD VID
+ if (attrs->vdd_voltage_mv == 0)
+ {
+ // Default voltage if mailbox value is not set
+
+ // @todo L3 - Eventually, this should replaced with an error point
+ // to indicate that the mailbox -> attributes haven't been setup
+
+ attrs->vdd_voltage_mv = DEFAULT_BOOT_VDD_VOLTAGE_MV;
+ FAPI_INF("VDD boot voltage not set in attributes. Setting to default of %d mV (%x)",
+ attrs->vdd_voltage_mv, attrs->vdd_voltage_mv);
+ FAPI_TRY(FAPI_ATTR_SET(fapi2::ATTR_VDD_BOOT_VOLTAGE, i_target,
+ attrs->vdd_voltage_mv));
+ }
+ else
+ {
+ FAPI_INF("VDD boot voltage = %d mV (%x)",
+ attrs->vdd_voltage_mv, attrs->vdd_voltage_mv);
+ }
+
+ // check VCS VID
+ if (attrs->vcs_voltage_mv == 0)
+ {
+ // Default voltage if mailbox value is not set
+
+ // @todo L3 - Eventually, this should replaced with an error point
+ // to indicate that the mailbox -> attributes haven't been setup
+
+ attrs->vcs_voltage_mv = DEFAULT_BOOT_VCS_VOLTAGE_MV;
+ FAPI_INF("VCS boot voltage not set in attributes. Setting to default of %d mV (%x)",
+ attrs->vcs_voltage_mv, attrs->vcs_voltage_mv);
+ FAPI_TRY(FAPI_ATTR_SET(fapi2::ATTR_VCS_BOOT_VOLTAGE, i_target,
+ attrs->vcs_voltage_mv));
+ }
+ else
+ {
+ FAPI_INF("VCS boot voltage = %d mV (%x)",
+ attrs->vcs_voltage_mv, attrs->vcs_voltage_mv);
+ }
+
+ // check VDN VID
+ if (attrs->vdn_voltage_mv == 0)
+ {
+ // Default voltage if mailbox value is not set
+
+ // @todo -L3 Eventually, this should replaced with an error point
+ // to indicate that the mailbox -> attributes haven't been setup
+
+ attrs->vdn_voltage_mv = DEFAULT_BOOT_VDN_VOLTAGE_MV;
+ FAPI_INF("VDN boot voltage not set in attributes. Setting to default of %d mV (%x)",
+ attrs->vdn_voltage_mv, attrs->vdn_voltage_mv);
+ FAPI_TRY(FAPI_ATTR_SET(fapi2::ATTR_VDN_BOOT_VOLTAGE, i_target,
+ attrs->vdn_voltage_mv));
+ }
+ else
+ {
+ FAPI_INF("VDN boot voltage = %d mV (%x)",
+ attrs->vdn_voltage_mv, attrs->vdn_voltage_mv);
+ }
}
fapi_try_exit:
@@ -265,58 +277,62 @@ fapi_try_exit:
fapi2::ReturnCode
-p9_setup_evid(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target)
+p9_setup_evid(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target, const VoltageConfigActions_t i_action)
{
// AVSBus configuration variables
avsbus_attrs_t attrs;
// Read attribute -
- FAPI_TRY(avsInitAttributes(i_target, &attrs));
-
- // Initialize the buses
- FAPI_TRY(avsInitExtVoltageControl(i_target,
- p9avslib::AVSBUSVDD, BRIDGE_NUMBER),
- "Initializing avsBus VDD, bridge %d", BRIDGE_NUMBER);
- FAPI_TRY(avsInitExtVoltageControl(i_target,
- p9avslib::AVSBUSVDN, BRIDGE_NUMBER),
- "Initializing avsBus VDN, bridge %d", BRIDGE_NUMBER);
-
- // Should not be needed, as same AVSBus and different rails
- // should share same initialization information
- //FAPI_TRY(avsInitExtVoltageControl(i_target,
- // p9avslib::AVSBUSVCS, BRIDGE_NUMBER),
- // "Initializing avsBus VCS, bridge %d", BRIDGE_NUMBER);
-
- // Set Boot VDD Voltage
- FAPI_TRY(avsVoltageWrite(i_target,
- attrs.vdd_bus_num,
- BRIDGE_NUMBER,
- attrs.vdd_rail_select,
- (uint32_t)attrs.vdd_voltage_mv),
- "Setting VDD voltage via AVSBus %d, Bridge %d",
- attrs.vdd_bus_num,
- BRIDGE_NUMBER);
-
- // Set Boot VDN Voltage
- FAPI_TRY(avsVoltageWrite(i_target,
- attrs.vdn_bus_num,
- BRIDGE_NUMBER,
- attrs.vdn_rail_select,
- (uint32_t)attrs.vdn_voltage_mv),
- "Setting VDN voltage via AVSBus %d, Bridge %d",
- attrs.vdn_bus_num,
- BRIDGE_NUMBER);
-
- // Set Boot VCS Voltage
- FAPI_TRY(avsVoltageWrite(i_target,
- attrs.vcs_bus_num,
- BRIDGE_NUMBER,
- attrs.vcs_rail_select,
- (uint32_t)attrs.vcs_voltage_mv),
- "Setting VCS voltage via AVSBus %d, Bridge %d",
- attrs.vcs_bus_num,
- BRIDGE_NUMBER);
+ FAPI_TRY(avsInitAttributes(i_target, &attrs, i_action));
+
+ //We only wish to apply settings if i_action says to
+ if(i_action == APPLY_VOLTAGE_SETTINGS)
+ {
+ // Initialize the buses
+ FAPI_TRY(avsInitExtVoltageControl(i_target,
+ p9avslib::AVSBUSVDD, BRIDGE_NUMBER),
+ "Initializing avsBus VDD, bridge %d", BRIDGE_NUMBER);
+ FAPI_TRY(avsInitExtVoltageControl(i_target,
+ p9avslib::AVSBUSVDN, BRIDGE_NUMBER),
+ "Initializing avsBus VDN, bridge %d", BRIDGE_NUMBER);
+
+ // Should not be needed, as same AVSBus and different rails
+ // should share same initialization information
+ //FAPI_TRY(avsInitExtVoltageControl(i_target,
+ // p9avslib::AVSBUSVCS, BRIDGE_NUMBER),
+ // "Initializing avsBus VCS, bridge %d", BRIDGE_NUMBER);
+
+ // Set Boot VDD Voltage
+ FAPI_TRY(avsVoltageWrite(i_target,
+ attrs.vdd_bus_num,
+ BRIDGE_NUMBER,
+ attrs.vdd_rail_select,
+ (uint32_t)attrs.vdd_voltage_mv),
+ "Setting VDD voltage via AVSBus %d, Bridge %d",
+ attrs.vdd_bus_num,
+ BRIDGE_NUMBER);
+
+ // Set Boot VDN Voltage
+ FAPI_TRY(avsVoltageWrite(i_target,
+ attrs.vdn_bus_num,
+ BRIDGE_NUMBER,
+ attrs.vdn_rail_select,
+ (uint32_t)attrs.vdn_voltage_mv),
+ "Setting VDN voltage via AVSBus %d, Bridge %d",
+ attrs.vdn_bus_num,
+ BRIDGE_NUMBER);
+
+ // Set Boot VCS Voltage
+ FAPI_TRY(avsVoltageWrite(i_target,
+ attrs.vcs_bus_num,
+ BRIDGE_NUMBER,
+ attrs.vcs_rail_select,
+ (uint32_t)attrs.vcs_voltage_mv),
+ "Setting VCS voltage via AVSBus %d, Bridge %d",
+ attrs.vcs_bus_num,
+ BRIDGE_NUMBER);
+ }
fapi_try_exit:
return fapi2::current_err;
diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.H b/src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.H
index 63e89d702..9bfa88c4f 100644
--- a/src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.H
+++ b/src/import/chips/p9/procedures/hwp/pm/p9_setup_evid.H
@@ -36,15 +36,28 @@
extern "C"
{
+/// @typedef VoltageConfigActions_t
+/// enum of the two actions this hwp can perform
+/// it can either compute default voltage settings
+/// otherwise it can apply voltage setting to the system
+ typedef enum
+ {
+ COMPUTE_VOLTAGE_SETTINGS,
+ APPLY_VOLTAGE_SETTINGS
+ } VoltageConfigActions_t;
+
/// @typedef p9_setup_evid_FP_t
/// function pointer typedef definition for HWP call support
typedef fapi2::ReturnCode (*p9_setup_evid_FP_t) (
- const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>&);
+ const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>&,
+ const VoltageConfigActions_t);
/// @brief Read attributes containing part's boot voltages(VDD,VCS and VDN)
/// and set these voltage using the AVSBUS interface (VDD, VDN and VCS).
///
/// @param [in] i_target TARGET_TYPE_PROC_CHIP
+/// @param [in] i_action Describes whether you wish to COMPUTE voltage settings
+/// during the step or if you would like to APPLY them.
/// @attr
/// @attritem ATTR_VCS_BOOT_VOLTAGE - 1mV grandularity setting for VCS rail
/// @attritem ATTR_VDD_BOOT_VOLTAGE - 1mV grandularity setting for VDD rail
@@ -58,7 +71,8 @@ extern "C"
///
/// @retval FAPI_RC_SUCCESS
fapi2::ReturnCode
- p9_setup_evid(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target);
+ p9_setup_evid(const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
+ const VoltageConfigActions_t i_action);
} // extern C
diff --git a/src/import/chips/p9/procedures/xml/attribute_info/pm_plat_attributes.xml b/src/import/chips/p9/procedures/xml/attribute_info/pm_plat_attributes.xml
index e3a9919ea..dc6099f81 100644
--- a/src/import/chips/p9/procedures/xml/attribute_info/pm_plat_attributes.xml
+++ b/src/import/chips/p9/procedures/xml/attribute_info/pm_plat_attributes.xml
@@ -223,12 +223,11 @@
Data (VPD) (typically the PowerSave value) and the minimum allowed for
correct operation of the fabric bus.
- Producer: Machine Readable Workbook
+ Producer: p9_setup_evid (first pass)
- Consumer: p9_setup_evid
+ Consumer: p9_setup_evid (second pass)
</description>
<valueType>uint32</valueType>
- <platInit/>
<writeable/>
</attribute>
<!-- ********************************************************************* -->
@@ -241,12 +240,12 @@
Data (VPD) (typically the PowerSave value) and the minimum allowed for
correct operation of the fabric bus.
- Producer: Machine Readable Workbook
+ Producer: p9_setup_evid (first pass)
- Consumer: p9_setup_evid
+ Consumer: p9_setup_evid (second pass)
</description>
<valueType>uint32</valueType>
- <platInit/>
+ <writeable/>
</attribute>
<!-- ********************************************************************* -->
<attribute>
@@ -258,12 +257,11 @@
Data (VPD) (typically the PowerSave value) and the minimum allowed for
correct operation of the fabric bus.
- Producer: Machine Readable Workbook
+ Producer: p9_setup_evid (first pass)
- Consumer: p9_setup_evid
+ Consumer: p9_setup_evid (second pass)
</description>
<valueType>uint32</valueType>
- <platInit/>
<writeable/>
</attribute>
<!-- ********************************************************************* -->
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