* [PATCH v2 0/1] Add SBSA-wdt entry to GTDT @ 2020-10-13 16:14 shashi.mallela 2020-10-13 16:14 ` [PATCH v2 1/1] Silicon/Qemu/Sbsa: " Shashi Mallela 0 siblings, 1 reply; 3+ messages in thread From: shashi.mallela @ 2020-10-13 16:14 UTC (permalink / raw) To: leif, ard.biesheuvel, graeme; +Cc: devel To enable detection of qemu SBSA generic watchdog timer device,this patch has been added to create sbsa-wdt entry into the GTDT table which helps firmware report the presence of SBSA-wdt to the OS. Changes in v2: - fixed patch indentation Shashi Mallela (1): Silicon/Qemu/Sbsa: Add SBSA-wdt entry to GTDT Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc | 53 +++++++++++++++++--- 1 file changed, 45 insertions(+), 8 deletions(-) -- 2.18.4 ^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v2 1/1] Silicon/Qemu/Sbsa: Add SBSA-wdt entry to GTDT 2020-10-13 16:14 [PATCH v2 0/1] Add SBSA-wdt entry to GTDT shashi.mallela @ 2020-10-13 16:14 ` Shashi Mallela 2020-10-14 9:27 ` Graeme Gregory 0 siblings, 1 reply; 3+ messages in thread From: Shashi Mallela @ 2020-10-13 16:14 UTC (permalink / raw) To: leif, ard.biesheuvel, graeme; +Cc: devel SBSA generic watchdog timer structure entry has been added to GTDT table as per BSAv0.9. This enables acpi detection of wdt in qemu sbsa platform Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org> --- Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc | 53 +++++++++++++++++--- 1 file changed, 45 insertions(+), 8 deletions(-) diff --git a/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc b/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc index d16778e01a5c..2312fd74e26d 100644 --- a/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc +++ b/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc @@ -24,27 +24,55 @@ #define SYSTEM_TIMER_BASE_ADDRESS 0xFFFFFFFFFFFFFFFF #endif -#define GTDT_TIMER_EDGE_TRIGGERED EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE +#define GTDT_TIMER_EDGE_TRIGGERED EFI_ACPI_6_3_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE #define GTDT_TIMER_LEVEL_TRIGGERED 0 -#define GTDT_TIMER_ACTIVE_LOW EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY +#define GTDT_TIMER_ACTIVE_LOW EFI_ACPI_6_3_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY #define GTDT_TIMER_ACTIVE_HIGH 0 #define GTDT_GTIMER_FLAGS (GTDT_TIMER_ACTIVE_LOW | GTDT_TIMER_LEVEL_TRIGGERED) +#define SBSA_PLATFORM_WATCHDOG_COUNT 1 +#define SBSA_PLATFORM_TIMER_COUNT (SBSA_PLATFORM_WATCHDOG_COUNT) + +#define SBSAQEMU_WDT_REFRESH_FRAME_BASE 0x50010000 +#define SBSAQEMU_WDT_CONTROL_FRAME_BASE 0x50011000 +#define SBSAQEMU_WDT_IRQ 44 + +#define GTDT_WDTIMER_EDGE_TRIGGERED EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_TIMER_INTERRUPT_MODE +#define GTDT_WDTIMER_LEVEL_TRIGGERED 0 +#define GTDT_WDTIMER_ACTIVE_LOW EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_TIMER_INTERRUPT_POLARITY +#define GTDT_WDTIMER_ACTIVE_HIGH 0 + +#define GTDT_WDTIMER_FLAGS (GTDT_WDTIMER_ACTIVE_HIGH | GTDT_WDTIMER_LEVEL_TRIGGERED) + +#define EFI_ACPI_6_3_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT( \ + RefreshFramePhysicalAddress, ControlFramePhysicalAddress, \ + WatchdogTimerGSIV, WatchdogTimerFlags) \ + { \ + EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG, \ + sizeof(EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE), \ + EFI_ACPI_RESERVED_WORD, \ + RefreshFramePhysicalAddress, \ + ControlFramePhysicalAddress, \ + WatchdogTimerGSIV, \ + WatchdogTimerFlags \ + } + #pragma pack (1) typedef struct { - EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt; - } GENERIC_TIMER_DESCRIPTION_TABLE; + EFI_ACPI_6_3_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt; + EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Gwdt; + } GENERIC_TIMER_DESCRIPTION_TABLES; #pragma pack () GENERIC_TIMER_DESCRIPTION_TABLE Gtdt = { { SBSAQEMU_ACPI_HEADER( - EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE, + EFI_ACPI_6_3_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE, GENERIC_TIMER_DESCRIPTION_TABLE, - EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION + EFI_ACPI_6_3_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION ), SYSTEM_TIMER_BASE_ADDRESS, // UINT64 PhysicalAddress 0, // UINT32 Reserved @@ -57,9 +85,18 @@ FixedPcdGet32 (PcdArmArchTimerHypIntrNum), // UINT32 NonSecurePL2TimerGSIV GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL2TimerFlags 0xFFFFFFFFFFFFFFFF, // UINT64 CntReadBasePhysicalAddress - 0, // UINT32 PlatformTimerCount - 0 + SBSA_PLATFORM_TIMER_COUNT, // UINT32 PlatformTimerCount + sizeof(EFI_ACPI_6_3_GENERIC_TIMER_DESCRIPTION_TABLE), + // UINT32 PlatformTimerOffset + 0, // UINT32 VirtualPL2TimerGSIV + 0 // UINT32 VirtualPL2TimerFlags }, + EFI_ACPI_6_3_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT( + SBSAQEMU_WDT_REFRESH_FRAME_BASE, + SBSAQEMU_WDT_CONTROL_FRAME_BASE, + SBSAQEMU_WDT_IRQ, + GTDT_WDTIMER_FLAGS + ) }; // Reference the table being generated to prevent the optimizer from removing the -- 2.18.4 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2 1/1] Silicon/Qemu/Sbsa: Add SBSA-wdt entry to GTDT 2020-10-13 16:14 ` [PATCH v2 1/1] Silicon/Qemu/Sbsa: " Shashi Mallela @ 2020-10-14 9:27 ` Graeme Gregory 0 siblings, 0 replies; 3+ messages in thread From: Graeme Gregory @ 2020-10-14 9:27 UTC (permalink / raw) To: Shashi Mallela; +Cc: leif, ard.biesheuvel, devel On Tue, Oct 13, 2020 at 12:14:35PM -0400, Shashi Mallela wrote: > SBSA generic watchdog timer structure entry has been added > to GTDT table as per BSAv0.9. > This enables acpi detection of wdt in qemu sbsa platform > > Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org> New version is looking fine to me. Reviewed-by: Graeme Gregory <graeme@nuviainc.com> > --- > Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc | 53 +++++++++++++++++--- > 1 file changed, 45 insertions(+), 8 deletions(-) > > diff --git a/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc b/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc > index d16778e01a5c..2312fd74e26d 100644 > --- a/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc > +++ b/Silicon/Qemu/SbsaQemu/AcpiTables/Gtdt.aslc > @@ -24,27 +24,55 @@ > #define SYSTEM_TIMER_BASE_ADDRESS 0xFFFFFFFFFFFFFFFF > #endif > > -#define GTDT_TIMER_EDGE_TRIGGERED EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE > +#define GTDT_TIMER_EDGE_TRIGGERED EFI_ACPI_6_3_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE > #define GTDT_TIMER_LEVEL_TRIGGERED 0 > -#define GTDT_TIMER_ACTIVE_LOW EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY > +#define GTDT_TIMER_ACTIVE_LOW EFI_ACPI_6_3_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY > #define GTDT_TIMER_ACTIVE_HIGH 0 > > #define GTDT_GTIMER_FLAGS (GTDT_TIMER_ACTIVE_LOW | GTDT_TIMER_LEVEL_TRIGGERED) > > +#define SBSA_PLATFORM_WATCHDOG_COUNT 1 > +#define SBSA_PLATFORM_TIMER_COUNT (SBSA_PLATFORM_WATCHDOG_COUNT) > + > +#define SBSAQEMU_WDT_REFRESH_FRAME_BASE 0x50010000 > +#define SBSAQEMU_WDT_CONTROL_FRAME_BASE 0x50011000 > +#define SBSAQEMU_WDT_IRQ 44 > + > +#define GTDT_WDTIMER_EDGE_TRIGGERED EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_TIMER_INTERRUPT_MODE > +#define GTDT_WDTIMER_LEVEL_TRIGGERED 0 > +#define GTDT_WDTIMER_ACTIVE_LOW EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_TIMER_INTERRUPT_POLARITY > +#define GTDT_WDTIMER_ACTIVE_HIGH 0 > + > +#define GTDT_WDTIMER_FLAGS (GTDT_WDTIMER_ACTIVE_HIGH | GTDT_WDTIMER_LEVEL_TRIGGERED) > + > +#define EFI_ACPI_6_3_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT( \ > + RefreshFramePhysicalAddress, ControlFramePhysicalAddress, \ > + WatchdogTimerGSIV, WatchdogTimerFlags) \ > + { \ > + EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG, \ > + sizeof(EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE), \ > + EFI_ACPI_RESERVED_WORD, \ > + RefreshFramePhysicalAddress, \ > + ControlFramePhysicalAddress, \ > + WatchdogTimerGSIV, \ > + WatchdogTimerFlags \ > + } > + > #pragma pack (1) > > typedef struct { > - EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt; > - } GENERIC_TIMER_DESCRIPTION_TABLE; > + EFI_ACPI_6_3_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt; > + EFI_ACPI_6_3_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Gwdt; > + } GENERIC_TIMER_DESCRIPTION_TABLES; > > #pragma pack () > > GENERIC_TIMER_DESCRIPTION_TABLE Gtdt = { > { > SBSAQEMU_ACPI_HEADER( > - EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE, > + EFI_ACPI_6_3_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE, > GENERIC_TIMER_DESCRIPTION_TABLE, > - EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION > + EFI_ACPI_6_3_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION > ), > SYSTEM_TIMER_BASE_ADDRESS, // UINT64 PhysicalAddress > 0, // UINT32 Reserved > @@ -57,9 +85,18 @@ > FixedPcdGet32 (PcdArmArchTimerHypIntrNum), // UINT32 NonSecurePL2TimerGSIV > GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL2TimerFlags > 0xFFFFFFFFFFFFFFFF, // UINT64 CntReadBasePhysicalAddress > - 0, // UINT32 PlatformTimerCount > - 0 > + SBSA_PLATFORM_TIMER_COUNT, // UINT32 PlatformTimerCount > + sizeof(EFI_ACPI_6_3_GENERIC_TIMER_DESCRIPTION_TABLE), > + // UINT32 PlatformTimerOffset > + 0, // UINT32 VirtualPL2TimerGSIV > + 0 // UINT32 VirtualPL2TimerFlags > }, > + EFI_ACPI_6_3_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT( > + SBSAQEMU_WDT_REFRESH_FRAME_BASE, > + SBSAQEMU_WDT_CONTROL_FRAME_BASE, > + SBSAQEMU_WDT_IRQ, > + GTDT_WDTIMER_FLAGS > + ) > }; > > // Reference the table being generated to prevent the optimizer from removing the > -- > 2.18.4 > ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-10-14 9:28 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2020-10-13 16:14 [PATCH v2 0/1] Add SBSA-wdt entry to GTDT shashi.mallela 2020-10-13 16:14 ` [PATCH v2 1/1] Silicon/Qemu/Sbsa: " Shashi Mallela 2020-10-14 9:27 ` Graeme Gregory
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