* [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
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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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