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From: chandni cherukuri <chandni.cherukuri@arm.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>, edk2-devel@lists.01.org
Subject: Re: [PATCH edk2-platforms] sgi575/acpi: Use ACPI 6.2 specification
Date: Fri, 31 Aug 2018 09:57:45 +0530	[thread overview]
Message-ID: <CADXzzgoE_=ocRut-tPh2pH0u5sNQhUZfxSqCKgCU3WJbRBvh6A@mail.gmail.com> (raw)
In-Reply-To: <CAKv+Gu_7bLHPbb2QvwPqZsDQXf=BW9jSAiYKev-0sLAfLK=MLg@mail.gmail.com>

On Thu, Aug 30, 2018 at 6:33 PM Ard Biesheuvel
<ard.biesheuvel@linaro.org> wrote:
>
> On 30 August 2018 at 13:23, Leif Lindholm <leif.lindholm@linaro.org> wrote:
> > On Wed, Aug 29, 2018 at 04:14:16PM +0530, Chandni Cherukuri wrote:
> >> Switched from using ACPI 6.1 to 6.2 specification for
> >> SGI575 since SBBR 1.1 requires ACPI 6.2 tables or later.
> >
> > Just to clarify - this has no impact at all on the actual generated
> > tables, right?
> >
> > We really should have a better way of dealing with this.
> > (But we don't, at the moment.)
> >

Thanks for the review Leif.
There is no impact on the generated tables with this change.
>
> I don't see the point of these changes. The whole point of ACPI's
> forward compatibility guarantees is that a ACPI 6.1 system
> automatically complies with ACPI 6.2, and so these changes are not
> necessary for compliance with SBBR 1.1 either.

Thanks for the review Ard. I will abandon this patch.

>
> >> Contributed-under: TianoCore Contribution Agreement 1.1
> >> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> >> Cc: Leif Lindholm <leif.lindholm@linaro.org>
> >> Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
> >> ---
> >>  Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc |  8 ++--
> >>  Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc | 48 ++++++++++----------
> >>  Platform/ARM/SgiPkg/AcpiTables/Sgi575/Mcfg.aslc |  4 +-
> >>  Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc |  6 +--
> >>  4 files changed, 33 insertions(+), 33 deletions(-)
> >>
> >> diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc
> >> index ed671f3..0183685 100644
> >> --- a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc
> >> +++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Dbg2.aslc
> >> @@ -15,7 +15,7 @@
> >>
> >>  #include "SgiAcpiHeader.h"
> >>  #include <Library/AcpiLib.h>
> >> -#include <IndustryStandard/Acpi61.h>
> >> +#include <IndustryStandard/Acpi62.h>
> >>  #include <IndustryStandard/DebugPort2Table.h>
> >>
> >>  #define SGI_DBG2_NUM_DEBUG_PORTS           1
> >> @@ -29,7 +29,7 @@
> >>
> >>  typedef struct {
> >>    EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT Dbg2Device;
> >> -  EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE        BaseAddressRegister;
> >> +  EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE        BaseAddressRegister;
> >>    UINT32                                        AddressSize;
> >>    UINT8                                         NameSpaceString[SGI_DBG2_NS_STR_LENGTH];
> >>  } DBG2_DEBUG_DEVICE_INFORMATION;
> >> @@ -56,7 +56,7 @@ typedef struct {
> >>      OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, BaseAddressRegister), /* UINT16    BaseAddressRegister Offset */      \
> >>      OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, AddressSize)          /* UINT16    AddressSize Offset */              \
> >>    },                                                                                                                \
> >> -  ARM_GAS32 (UartBase),                            /* EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
> >> +  ARM_GAS32 (UartBase),                            /* EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
> >>    UartAddrLen,                                     /* UINT32  AddressSize */                                        \
> >>    UartNameStr                                      /* UINT8   NameSpaceString[MAX_DBG2_NAME_LEN] */                 \
> >>  }
> >> @@ -64,7 +64,7 @@ typedef struct {
> >>  STATIC DBG2_TABLE Dbg2 = {
> >>    {
> >>      ARM_ACPI_HEADER (
> >> -      EFI_ACPI_6_1_DEBUG_PORT_2_TABLE_SIGNATURE,
> >> +      EFI_ACPI_6_2_DEBUG_PORT_2_TABLE_SIGNATURE,
> >>        DBG2_TABLE,
> >>        EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION
> >>      ),
> >> diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc
> >> index 46d811e..39e3f02 100644
> >> --- a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc
> >> +++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Gtdt.aslc
> >> @@ -16,7 +16,7 @@
> >>  #include "SgiAcpiHeader.h"
> >>  #include <Library/AcpiLib.h>
> >>  #include <Library/PcdLib.h>
> >> -#include <IndustryStandard/Acpi61.h>
> >> +#include <IndustryStandard/Acpi62.h>
> >>
> >>  #define SGI_PLATFORM_WATCHDOG_COUNT       2
> >>  #define SGI_PLATFORM_TIMER_COUNT          (SGI_PLATFORM_WATCHDOG_COUNT + 1)
> >> @@ -24,7 +24,7 @@
> >>
> >>  #define SYSTEM_TIMER_BASE_ADDRESS         0xFFFFFFFFFFFFFFFF
> >>  #define GTDT_GLOBAL_FLAGS                 0
> >> -#define GTDT_GTIMER_FLAGS                 EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
> >> +#define GTDT_GTIMER_FLAGS                 EFI_ACPI_6_2_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
> >>
> >>  #define SGI_GT_BLOCK_CTL_BASE             0x2A810000
> >>  #define SGI_GT_BLOCK_FRAME1_CTL_BASE      0x2A820000
> >> @@ -36,18 +36,18 @@
> >>  #define SGI_GT_BLOCK_FRAME0_GSIV          0x5C
> >>
> >>  #define SGI_GTX_TIMER_FLAGS               0
> >> -#define GTX_TIMER_SECURE                  EFI_ACPI_6_1_GTDT_GT_BLOCK_COMMON_FLAG_SECURE_TIMER
> >> +#define GTX_TIMER_SECURE                  EFI_ACPI_6_2_GTDT_GT_BLOCK_COMMON_FLAG_SECURE_TIMER
> >>  #define GTX_TIMER_NON_SECURE              0
> >> -#define GTX_TIMER_SAVE_CONTEXT            EFI_ACPI_6_1_GTDT_GT_BLOCK_COMMON_FLAG_ALWAYS_ON_CAPABILITY
> >> +#define GTX_TIMER_SAVE_CONTEXT            EFI_ACPI_6_2_GTDT_GT_BLOCK_COMMON_FLAG_ALWAYS_ON_CAPABILITY
> >>  #define SGI_GTX_COMMON_FLAGS_S            (GTX_TIMER_SAVE_CONTEXT | GTX_TIMER_SECURE)
> >>  #define SGI_GTX_COMMON_FLAGS_NS           (GTX_TIMER_SAVE_CONTEXT | GTX_TIMER_NON_SECURE)
> >>
> >> -#define EFI_ACPI_6_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(        \
> >> +#define EFI_ACPI_6_2_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(        \
> >>    RefreshFramePhysicalAddress, ControlFramePhysicalAddress,       \
> >>    WatchdogTimerGSIV, WatchdogTimerFlags)                          \
> >>    {                                                               \
> >> -    EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG,                      \
> >> -    sizeof (EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE),   \
> >> +    EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG,                      \
> >> +    sizeof (EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE),   \
> >>      EFI_ACPI_RESERVED_WORD,                                       \
> >>      RefreshFramePhysicalAddress,                                  \
> >>      ControlFramePhysicalAddress,                                  \
> >> @@ -58,20 +58,20 @@
> >>  #pragma pack (1)
> >>
> >>  typedef struct {
> >> -  EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE       Gtdt;
> >> -  EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE               GtBlock;
> >> -  EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_STRUCTURE         Frames[SGI_TIMER_FRAMES_COUNT];
> >> -  EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE  Watchdogs[SGI_PLATFORM_WATCHDOG_COUNT];
> >> -} EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES;
> >> +  EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE       Gtdt;
> >> +  EFI_ACPI_6_2_GTDT_GT_BLOCK_STRUCTURE               GtBlock;
> >> +  EFI_ACPI_6_2_GTDT_GT_BLOCK_TIMER_STRUCTURE         Frames[SGI_TIMER_FRAMES_COUNT];
> >> +  EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE  Watchdogs[SGI_PLATFORM_WATCHDOG_COUNT];
> >> +} EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES;
> >>
> >>  #pragma pack ()
> >>
> >> -STATIC EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
> >> +STATIC EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
> >>    {
> >>      ARM_ACPI_HEADER (
> >> -      EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
> >> -      EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES,
> >> -      EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
> >> +      EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
> >> +      EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES,
> >> +      EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
> >>      ),
> >>      SYSTEM_TIMER_BASE_ADDRESS,                    // UINT64  PhysicalAddress
> >>      0,                                            // UINT32  Reserved
> >> @@ -85,17 +85,17 @@ STATIC EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
> >>      GTDT_GTIMER_FLAGS,                            // UINT32  NonSecurePL2TimerFlags
> >>      0xFFFFFFFFFFFFFFFF,                           // UINT64  CntReadBasePhysicalAddress
> >>      SGI_PLATFORM_TIMER_COUNT,                     // UINT32  PlatformTimerCount
> >> -    sizeof (EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset
> >> +    sizeof (EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset
> >>    },
> >>    {
> >> -    EFI_ACPI_6_1_GTDT_GT_BLOCK,                           // UINT8 Type
> >> -    sizeof(EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE) +        // UINT16 Length
> >> -    sizeof(EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_STRUCTURE) *
> >> +    EFI_ACPI_6_2_GTDT_GT_BLOCK,                           // UINT8 Type
> >> +    sizeof(EFI_ACPI_6_2_GTDT_GT_BLOCK_STRUCTURE) +        // UINT16 Length
> >> +    sizeof(EFI_ACPI_6_2_GTDT_GT_BLOCK_TIMER_STRUCTURE) *
> >>      SGI_TIMER_FRAMES_COUNT,
> >>      EFI_ACPI_RESERVED_BYTE,                               // UINT8 Reserved
> >>      SGI_GT_BLOCK_CTL_BASE,                                // UINT64 CntCtlBase
> >>      SGI_TIMER_FRAMES_COUNT,                               // UINT32 GTBlockTimerCount
> >> -    sizeof (EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE)         // UINT32 GTBlockTimerOffset
> >> +    sizeof (EFI_ACPI_6_2_GTDT_GT_BLOCK_STRUCTURE)         // UINT32 GTBlockTimerOffset
> >>    },
> >>    {
> >>      {
> >> @@ -130,17 +130,17 @@ STATIC EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
> >>      }
> >>    },
> >>    {
> >> -    EFI_ACPI_6_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT (
> >> +    EFI_ACPI_6_2_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT (
> >>        FixedPcdGet32 (PcdGenericWatchdogRefreshBase),
> >>        FixedPcdGet32 (PcdGenericWatchdogControlBase),
> >>        93,
> >>        0
> >>      ),
> >> -    EFI_ACPI_6_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT (
> >> +    EFI_ACPI_6_2_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT (
> >>        FixedPcdGet32 (PcdGenericWatchdogRefreshBase),
> >>        FixedPcdGet32 (PcdGenericWatchdogControlBase),
> >>        94,
> >> -      EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_SECURE_TIMER
> >> +      EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_SECURE_TIMER
> >>      )
> >>    }
> >>  };
> >> diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Mcfg.aslc b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Mcfg.aslc
> >> index 4a487a3..03093c0 100644
> >> --- a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Mcfg.aslc
> >> +++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Mcfg.aslc
> >> @@ -13,7 +13,7 @@
> >>  *
> >>  **/
> >>
> >> -#include <IndustryStandard/Acpi61.h>
> >> +#include <IndustryStandard/Acpi62.h>
> >>  #include <IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h>
> >>  #include <Library/PcdLib.h>
> >>  #include "SgiAcpiHeader.h"
> >> @@ -34,7 +34,7 @@ typedef struct
> >>  EFI_ACPI_PCI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_DESCRIPTION_TABLE Mcfg = {
> >>    {
> >>      ARM_ACPI_HEADER (
> >> -      EFI_ACPI_6_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE,
> >> +      EFI_ACPI_6_2_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE,
> >>        EFI_ACPI_PCI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_DESCRIPTION_TABLE,
> >>        EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION
> >>      ),
> >> diff --git a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc
> >> index 5265225..36cc5f3 100644
> >> --- a/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc
> >> +++ b/Platform/ARM/SgiPkg/AcpiTables/Sgi575/Spcr.aslc
> >> @@ -15,12 +15,12 @@
> >>
> >>  #include "SgiAcpiHeader.h"
> >>  #include <Library/AcpiLib.h>
> >> -#include <IndustryStandard/Acpi61.h>
> >> +#include <IndustryStandard/Acpi62.h>
> >>  #include <IndustryStandard/SerialPortConsoleRedirectionTable.h>
> >>
> >>  STATIC EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE Spcr = {
> >>    ARM_ACPI_HEADER (
> >> -    EFI_ACPI_6_1_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE,
> >> +    EFI_ACPI_6_2_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE,
> >>      EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE,
> >>      EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_REVISION
> >>    ),
> >> @@ -32,7 +32,7 @@ STATIC EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE Spcr = {
> >>      EFI_ACPI_RESERVED_BYTE,
> >>      EFI_ACPI_RESERVED_BYTE
> >>    },
> >> -  // EFI_ACPI_6_1_GENERIC_ADDRESS_STRUCTURE  BaseAddress;
> >> +  // EFI_ACPI_6_2_GENERIC_ADDRESS_STRUCTURE  BaseAddress;
> >>    ARM_GAS32 (0x7FF80000),
> >>    // UINT8                                   InterruptType;
> >>    EFI_ACPI_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_INTERRUPT_TYPE_GIC,
> >> --
> >> 2.7.4
> >>
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel


      reply	other threads:[~2018-08-31  4:27 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-29 10:44 [PATCH edk2-platforms] sgi575/acpi: Use ACPI 6.2 specification Chandni Cherukuri
2018-08-30 11:23 ` Leif Lindholm
2018-08-30 13:03   ` Ard Biesheuvel
2018-08-31  4:27     ` chandni cherukuri [this message]

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