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* [edk2-platforms][PATCH v1] KabylakeSiliconPkg/PchPmcLib: Add GetSleepTypeAfterWakeup()
@ 2021-08-12  1:22 Nate DeSimone
  2021-08-12  6:14 ` Chiu, Chasel
  2021-08-12  7:22 ` Chaganty, Rangasai V
  0 siblings, 2 replies; 3+ messages in thread
From: Nate DeSimone @ 2021-08-12  1:22 UTC (permalink / raw)
  To: devel
  Cc: nathaniel.l.desimone, Michael Kubacki, Chasel Chiu, Sai Chaganty,
	Benjamin Doron

From: Michael Kubacki <michael.kubacki@microsoft.com>

Adds the capability to get the system sleep type after wakeup to
PchPmcLib in KabylakeSiliconPkg.

This is needed by platforms to determine the Sx resume state.

Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Sai Chaganty <rangasai.v.chaganty@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Benjamin Doron <benjamin.doron00@gmail.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
---
 Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmcLib.c            | 54 ++++++++++++++++++++
 Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h                       | 15 ++++++
 Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeSmmPchPmcLib.inf |  4 ++
 3 files changed, 73 insertions(+)

diff --git a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmcLib.c b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmcLib.c
index 790af0a7a1..3c9c4c2a2d 100644
--- a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmcLib.c
+++ b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmcLib.c
@@ -128,3 +128,57 @@ PchIsRtcBatteryGood (
   }
   return FALSE;
 }
+
+/**
+  Returns the sleep type after system wakeup.
+
+  @param[out] SleepType  Sleep type to be returned.
+
+  @retval     TRUE       A wake event occurred without power failure.
+  @retval     FALSE      Power failure occurred or not a wakeup.
+
+**/
+BOOLEAN
+EFIAPI
+GetSleepTypeAfterWakeup (
+  OUT UINT32            *SleepType
+  )
+{
+  UINT16                Pm1Sts;
+  UINT32                Pm1Cnt;
+  UINTN                 PmcBaseAddress;
+
+  PmcBaseAddress = MmPciBase (
+                     DEFAULT_PCI_BUS_NUMBER_PCH,
+                     PCI_DEVICE_NUMBER_PCH_PMC,
+                     PCI_FUNCTION_NUMBER_PCH_PMC
+                     );
+
+  ///
+  /// Read the ACPI registers
+  ///
+  Pm1Sts  = IoRead16 (PcdGet16 (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_STS);
+  Pm1Cnt  = IoRead32 (PcdGet16 (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_CNT);
+
+  ///
+  /// Get sleep type if a wake event occurred and there is no power failure and reset
+  ///
+  if ((Pm1Sts & B_PCH_ACPI_PM1_STS_WAK) != 0) {
+    if ((MmioRead16 (PmcBaseAddress + R_PCH_PMC_GEN_PMCON_B) & (B_PCH_PMC_GEN_PMCON_B_RTC_PWR_STS | B_PCH_PMC_GEN_PMCON_B_PWR_FLR)) == 0) {
+      *SleepType = Pm1Cnt & B_PCH_ACPI_PM1_CNT_SLP_TYP;
+
+      return  TRUE;
+    } else {
+      ///
+      /// Clear Wake Status (WAK_STS) and Sleep Type (SLP_TYP)
+      ///
+      IoWrite16 (PcdGet16 (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_STS, B_PCH_ACPI_PM1_STS_WAK);
+      Pm1Cnt &= ~B_PCH_ACPI_PM1_CNT_SLP_TYP;
+      IoWrite32 (PcdGet16 (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_CNT, Pm1Cnt);
+
+      return  FALSE;
+    }
+  }
+
+  return  FALSE;
+}
diff --git a/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h b/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
index ec98e07100..f84606d31c 100644
--- a/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
+++ b/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
@@ -41,4 +41,19 @@ PchIsRtcBatteryGood (
   VOID
   );
 
+/**
+  Returns the sleep type after system wakeup.
+
+  @param[out] SleepType  Sleep type to be returned.
+
+  @retval     TRUE       A wake event occurred without power failure.
+  @retval     FALSE      Power failure occurred or not a wakeup.
+
+**/
+BOOLEAN
+EFIAPI
+GetSleepTypeAfterWakeup (
+  OUT UINT32            *SleepType
+  );
+
 #endif // _PCH_PMC_LIB_H_
diff --git a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeSmmPchPmcLib.inf b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeSmmPchPmcLib.inf
index 8b46a59b67..1e6103f4ca 100644
--- a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeSmmPchPmcLib.inf
+++ b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeSmmPchPmcLib.inf
@@ -33,5 +33,9 @@ MdePkg/MdePkg.dec
 KabylakeSiliconPkg/SiPkg.dec
 
 
+[Pcd]
+gSiPkgTokenSpaceGuid.PcdAcpiBaseAddress
+
+
 [Sources]
 PchPmcLib.c
-- 
2.29.2.windows.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [edk2-platforms][PATCH v1] KabylakeSiliconPkg/PchPmcLib: Add GetSleepTypeAfterWakeup()
  2021-08-12  1:22 [edk2-platforms][PATCH v1] KabylakeSiliconPkg/PchPmcLib: Add GetSleepTypeAfterWakeup() Nate DeSimone
@ 2021-08-12  6:14 ` Chiu, Chasel
  2021-08-12  7:22 ` Chaganty, Rangasai V
  1 sibling, 0 replies; 3+ messages in thread
From: Chiu, Chasel @ 2021-08-12  6:14 UTC (permalink / raw)
  To: Desimone, Nathaniel L, devel@edk2.groups.io
  Cc: Michael Kubacki, Chaganty, Rangasai V, Benjamin Doron


Reviewed-by: Chasel Chiu <chasel.chiu@intel.com>

> -----Original Message-----
> From: Desimone, Nathaniel L <nathaniel.l.desimone@intel.com>
> Sent: Thursday, August 12, 2021 9:22 AM
> To: devel@edk2.groups.io
> Cc: Desimone, Nathaniel L <nathaniel.l.desimone@intel.com>; Michael
> Kubacki <michael.kubacki@microsoft.com>; Chiu, Chasel
> <chasel.chiu@intel.com>; Chaganty, Rangasai V
> <rangasai.v.chaganty@intel.com>; Benjamin Doron
> <benjamin.doron00@gmail.com>
> Subject: [edk2-platforms][PATCH v1] KabylakeSiliconPkg/PchPmcLib: Add
> GetSleepTypeAfterWakeup()
> 
> From: Michael Kubacki <michael.kubacki@microsoft.com>
> 
> Adds the capability to get the system sleep type after wakeup to PchPmcLib
> in KabylakeSiliconPkg.
> 
> This is needed by platforms to determine the Sx resume state.
> 
> Cc: Chasel Chiu <chasel.chiu@intel.com>
> Cc: Sai Chaganty <rangasai.v.chaganty@intel.com>
> Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
> Cc: Benjamin Doron <benjamin.doron00@gmail.com>
> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
> ---
> 
> Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmc
> Lib.c            | 54 ++++++++++++++++++++
>  Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
> | 15 ++++++
> 
> Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeS
> mmPchPmcLib.inf |  4 ++
>  3 files changed, 73 insertions(+)
> 
> diff --git
> a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchP
> mcLib.c
> b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchP
> mcLib.c
> index 790af0a7a1..3c9c4c2a2d 100644
> ---
> a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchP
> mcLib.c
> +++
> b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/Pc
> +++ hPmcLib.c
> @@ -128,3 +128,57 @@ PchIsRtcBatteryGood (
>    }
>    return FALSE;
>  }
> +
> +/**
> +  Returns the sleep type after system wakeup.
> +
> +  @param[out] SleepType  Sleep type to be returned.
> +
> +  @retval     TRUE       A wake event occurred without power failure.
> +  @retval     FALSE      Power failure occurred or not a wakeup.
> +
> +**/
> +BOOLEAN
> +EFIAPI
> +GetSleepTypeAfterWakeup (
> +  OUT UINT32            *SleepType
> +  )
> +{
> +  UINT16                Pm1Sts;
> +  UINT32                Pm1Cnt;
> +  UINTN                 PmcBaseAddress;
> +
> +  PmcBaseAddress = MmPciBase (
> +                     DEFAULT_PCI_BUS_NUMBER_PCH,
> +                     PCI_DEVICE_NUMBER_PCH_PMC,
> +                     PCI_FUNCTION_NUMBER_PCH_PMC
> +                     );
> +
> +  ///
> +  /// Read the ACPI registers
> +  ///
> +  Pm1Sts  = IoRead16 (PcdGet16 (PcdAcpiBaseAddress) +
> + R_PCH_ACPI_PM1_STS);  Pm1Cnt  = IoRead32 (PcdGet16
> + (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_CNT);
> +
> +  ///
> +  /// Get sleep type if a wake event occurred and there is no power
> + failure and reset  ///  if ((Pm1Sts & B_PCH_ACPI_PM1_STS_WAK) != 0) {
> +    if ((MmioRead16 (PmcBaseAddress + R_PCH_PMC_GEN_PMCON_B) &
> (B_PCH_PMC_GEN_PMCON_B_RTC_PWR_STS |
> B_PCH_PMC_GEN_PMCON_B_PWR_FLR)) == 0) {
> +      *SleepType = Pm1Cnt & B_PCH_ACPI_PM1_CNT_SLP_TYP;
> +
> +      return  TRUE;
> +    } else {
> +      ///
> +      /// Clear Wake Status (WAK_STS) and Sleep Type (SLP_TYP)
> +      ///
> +      IoWrite16 (PcdGet16 (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_STS,
> B_PCH_ACPI_PM1_STS_WAK);
> +      Pm1Cnt &= ~B_PCH_ACPI_PM1_CNT_SLP_TYP;
> +      IoWrite32 (PcdGet16 (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_CNT,
> + Pm1Cnt);
> +
> +      return  FALSE;
> +    }
> +  }
> +
> +  return  FALSE;
> +}
> diff --git a/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
> b/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
> index ec98e07100..f84606d31c 100644
> --- a/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
> +++ b/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
> @@ -41,4 +41,19 @@ PchIsRtcBatteryGood (
>    VOID
>    );
> 
> +/**
> +  Returns the sleep type after system wakeup.
> +
> +  @param[out] SleepType  Sleep type to be returned.
> +
> +  @retval     TRUE       A wake event occurred without power failure.
> +  @retval     FALSE      Power failure occurred or not a wakeup.
> +
> +**/
> +BOOLEAN
> +EFIAPI
> +GetSleepTypeAfterWakeup (
> +  OUT UINT32            *SleepType
> +  );
> +
>  #endif // _PCH_PMC_LIB_H_
> diff --git
> a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDx
> eSmmPchPmcLib.inf
> b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDx
> eSmmPchPmcLib.inf
> index 8b46a59b67..1e6103f4ca 100644
> ---
> a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDx
> eSmmPchPmcLib.inf
> +++
> b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/Pe
> +++ iDxeSmmPchPmcLib.inf
> @@ -33,5 +33,9 @@ MdePkg/MdePkg.dec
>  KabylakeSiliconPkg/SiPkg.dec
> 
> 
> +[Pcd]
> +gSiPkgTokenSpaceGuid.PcdAcpiBaseAddress
> +
> +
>  [Sources]
>  PchPmcLib.c
> --
> 2.29.2.windows.2


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [edk2-platforms][PATCH v1] KabylakeSiliconPkg/PchPmcLib: Add GetSleepTypeAfterWakeup()
  2021-08-12  1:22 [edk2-platforms][PATCH v1] KabylakeSiliconPkg/PchPmcLib: Add GetSleepTypeAfterWakeup() Nate DeSimone
  2021-08-12  6:14 ` Chiu, Chasel
@ 2021-08-12  7:22 ` Chaganty, Rangasai V
  1 sibling, 0 replies; 3+ messages in thread
From: Chaganty, Rangasai V @ 2021-08-12  7:22 UTC (permalink / raw)
  To: Desimone, Nathaniel L, devel@edk2.groups.io
  Cc: Michael Kubacki, Chiu, Chasel, Benjamin Doron

Reviewed-by: Sai Chaganty <rangasai.v.chaganty@intel.com>    

-----Original Message-----
From: Desimone, Nathaniel L <nathaniel.l.desimone@intel.com> 
Sent: Wednesday, August 11, 2021 6:22 PM
To: devel@edk2.groups.io
Cc: Desimone, Nathaniel L <nathaniel.l.desimone@intel.com>; Michael Kubacki <michael.kubacki@microsoft.com>; Chiu, Chasel <chasel.chiu@intel.com>; Chaganty, Rangasai V <rangasai.v.chaganty@intel.com>; Benjamin Doron <benjamin.doron00@gmail.com>
Subject: [edk2-platforms][PATCH v1] KabylakeSiliconPkg/PchPmcLib: Add GetSleepTypeAfterWakeup()

From: Michael Kubacki <michael.kubacki@microsoft.com>

Adds the capability to get the system sleep type after wakeup to PchPmcLib in KabylakeSiliconPkg.

This is needed by platforms to determine the Sx resume state.

Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Sai Chaganty <rangasai.v.chaganty@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Benjamin Doron <benjamin.doron00@gmail.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
---
 Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmcLib.c            | 54 ++++++++++++++++++++
 Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h                       | 15 ++++++
 Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeSmmPchPmcLib.inf |  4 ++
 3 files changed, 73 insertions(+)

diff --git a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmcLib.c b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmcLib.c
index 790af0a7a1..3c9c4c2a2d 100644
--- a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PchPmcLib.c
+++ b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/Pc
+++ hPmcLib.c
@@ -128,3 +128,57 @@ PchIsRtcBatteryGood (
   }
   return FALSE;
 }
+
+/**
+  Returns the sleep type after system wakeup.
+
+  @param[out] SleepType  Sleep type to be returned.
+
+  @retval     TRUE       A wake event occurred without power failure.
+  @retval     FALSE      Power failure occurred or not a wakeup.
+
+**/
+BOOLEAN
+EFIAPI
+GetSleepTypeAfterWakeup (
+  OUT UINT32            *SleepType
+  )
+{
+  UINT16                Pm1Sts;
+  UINT32                Pm1Cnt;
+  UINTN                 PmcBaseAddress;
+
+  PmcBaseAddress = MmPciBase (
+                     DEFAULT_PCI_BUS_NUMBER_PCH,
+                     PCI_DEVICE_NUMBER_PCH_PMC,
+                     PCI_FUNCTION_NUMBER_PCH_PMC
+                     );
+
+  ///
+  /// Read the ACPI registers
+  ///
+  Pm1Sts  = IoRead16 (PcdGet16 (PcdAcpiBaseAddress) + 
+ R_PCH_ACPI_PM1_STS);  Pm1Cnt  = IoRead32 (PcdGet16 
+ (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_CNT);
+
+  ///
+  /// Get sleep type if a wake event occurred and there is no power 
+ failure and reset  ///  if ((Pm1Sts & B_PCH_ACPI_PM1_STS_WAK) != 0) {
+    if ((MmioRead16 (PmcBaseAddress + R_PCH_PMC_GEN_PMCON_B) & (B_PCH_PMC_GEN_PMCON_B_RTC_PWR_STS | B_PCH_PMC_GEN_PMCON_B_PWR_FLR)) == 0) {
+      *SleepType = Pm1Cnt & B_PCH_ACPI_PM1_CNT_SLP_TYP;
+
+      return  TRUE;
+    } else {
+      ///
+      /// Clear Wake Status (WAK_STS) and Sleep Type (SLP_TYP)
+      ///
+      IoWrite16 (PcdGet16 (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_STS, B_PCH_ACPI_PM1_STS_WAK);
+      Pm1Cnt &= ~B_PCH_ACPI_PM1_CNT_SLP_TYP;
+      IoWrite32 (PcdGet16 (PcdAcpiBaseAddress) + R_PCH_ACPI_PM1_CNT, 
+ Pm1Cnt);
+
+      return  FALSE;
+    }
+  }
+
+  return  FALSE;
+}
diff --git a/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h b/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
index ec98e07100..f84606d31c 100644
--- a/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
+++ b/Silicon/Intel/KabylakeSiliconPkg/Pch/Include/Library/PchPmcLib.h
@@ -41,4 +41,19 @@ PchIsRtcBatteryGood (
   VOID
   );
 
+/**
+  Returns the sleep type after system wakeup.
+
+  @param[out] SleepType  Sleep type to be returned.
+
+  @retval     TRUE       A wake event occurred without power failure.
+  @retval     FALSE      Power failure occurred or not a wakeup.
+
+**/
+BOOLEAN
+EFIAPI
+GetSleepTypeAfterWakeup (
+  OUT UINT32            *SleepType
+  );
+
 #endif // _PCH_PMC_LIB_H_
diff --git a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeSmmPchPmcLib.inf b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeSmmPchPmcLib.inf
index 8b46a59b67..1e6103f4ca 100644
--- a/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/PeiDxeSmmPchPmcLib.inf
+++ b/Silicon/Intel/KabylakeSiliconPkg/Pch/Library/PeiDxeSmmPchPmcLib/Pe
+++ iDxeSmmPchPmcLib.inf
@@ -33,5 +33,9 @@ MdePkg/MdePkg.dec
 KabylakeSiliconPkg/SiPkg.dec
 
 
+[Pcd]
+gSiPkgTokenSpaceGuid.PcdAcpiBaseAddress
+
+
 [Sources]
 PchPmcLib.c
--
2.29.2.windows.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-08-12  7:22 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-08-12  1:22 [edk2-platforms][PATCH v1] KabylakeSiliconPkg/PchPmcLib: Add GetSleepTypeAfterWakeup() Nate DeSimone
2021-08-12  6:14 ` Chiu, Chasel
2021-08-12  7:22 ` Chaganty, Rangasai V

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