public inbox for devel@edk2.groups.io
 help / color / mirror / Atom feed
From: "Ard Biesheuvel" <ard.biesheuvel@linaro.org>
To: Pete Batard <pete@akeo.ie>
Cc: edk2-devel-groups-io <devel@edk2.groups.io>,
	"Leif Lindholm" <leif.lindholm@linaro.org>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: Re: [edk2-platforms][PATCH 2/6] Platform/RPi4: Improve FADT ACPI table generation
Date: Wed, 18 Dec 2019 14:46:43 +0000	[thread overview]
Message-ID: <CAKv+Gu-RAZo+SQXMsO1Cbj2gRofh7nzP5zyWdLj0kzdC773B-Q@mail.gmail.com> (raw)
In-Reply-To: <20191218114156.9036-3-pete@akeo.ie>

Hi Pete,

On Wed, 18 Dec 2019 at 13:42, Pete Batard <pete@akeo.ie> wrote:
>
> Use a proper aslc source to build the table.
>
> Note that we use ACPI 5.1 for this table to match the MADT
> constraints.
>
> Signed-off-by: Pete Batard <pete@akeo.ie>
> ---
>  Platform/RaspberryPi/RPi4/AcpiTables/Fadt.aslc | 104 ++++++++++++++------
>  1 file changed, 76 insertions(+), 28 deletions(-)
>
> diff --git a/Platform/RaspberryPi/RPi4/AcpiTables/Fadt.aslc b/Platform/RaspberryPi/RPi4/AcpiTables/Fadt.aslc
> index 3ef877fde5f4..2d851794b989 100644
> --- a/Platform/RaspberryPi/RPi4/AcpiTables/Fadt.aslc
> +++ b/Platform/RaspberryPi/RPi4/AcpiTables/Fadt.aslc
> @@ -2,6 +2,7 @@
>   *
>   *  Fixed ACPI Description Table (FADT)
>   *
> + *  Copyright (c) 2019, Pete Batard <pete@akeo.ie>
>   *  Copyright (c) 2018, Andrey Warkentin <andrey.warkentin@gmail.com>
>   *  Copyright (c) Microsoft Corporation. All rights reserved.
>   *
> @@ -9,34 +10,81 @@
>   *
>   **/
>
> -UINT8 Fadt[268] = {
> -  0x46, 0x41, 0x43, 0x50, 0x0C, 0x01, 0x00, 0x00, 0x05, 0x00, /*   0 */
> -  0x42, 0x43, 0x32, 0x38, 0x33, 0x36, 0x45, 0x44, 0x4B, 0x32, /*  10 */
> -  0x20, 0x20, 0x20, 0x20, 0x01, 0x00, 0x00, 0x00, 0x4D, 0x53, /*  20 */
> -  0x46, 0x54, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /*  30 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, /*  40 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /*  50 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /*  60 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /*  70 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /*  80 */
> -  0x00, 0x04, 0x00, 0x00, 0x00, 0xE3, 0x00, 0x00, 0x00, 0x00, /*  90 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3C, /* 100 */
> -  0x00, 0x00, 0x21, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, /* 110 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, /* 120 */
> -  0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 130 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 140 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 150 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 160 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 170 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 180 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 190 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 200 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 210 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 220 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 230 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 240 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 250 */
> -  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00              /* 268 */
> +#include <IndustryStandard/Acpi.h>
> +#include <Library/AcpiLib.h>
> +#include <Library/PcdLib.h>
> +
> +#include "AcpiTables.h"
> +
> +#define RPI_DSDT_BASE_ADDRESS   0x33CD0000

DSDTs have no compile time base addresses - they end up wherever the
AcpiPlatformDxe driver puts them.

> +#define RPI_PM_TIMER_BLOCK_LEN  0x04
> +#define RPI_CST_VALUE           0xE3

Any idea what these mean?

> +
> +/*
> + * Note: Use ACPI 5.1 since we need to match MADT ACPI requirements
> + */
> +EFI_ACPI_5_1_FIXED_ACPI_DESCRIPTION_TABLE Fadt = {
> +  ACPI_HEADER (
> +    EFI_ACPI_5_1_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
> +    EFI_ACPI_5_1_FIXED_ACPI_DESCRIPTION_TABLE,
> +    EFI_ACPI_5_1_FIXED_ACPI_DESCRIPTION_TABLE_REVISION
> +  ),
> +  0,                                                                        // UINT32     FirmwareCtrl
> +  RPI_DSDT_BASE_ADDRESS,                                                    // UINT32     Dsdt

Just put 0 here

> +  EFI_ACPI_RESERVED_BYTE,                                                   // UINT8      Reserved0
> +  EFI_ACPI_5_1_PM_PROFILE_APPLIANCE_PC,                                     // UINT8      PreferredPmProfile
> +  0,                                                                        // UINT16     SciInt
> +  0,                                                                        // UINT32     SmiCmd
> +  0,                                                                        // UINT8      AcpiEnable
> +  0,                                                                        // UINT8      AcpiDisable
> +  0,                                                                        // UINT8      S4BiosReq
> +  0,                                                                        // UINT8      PstateCnt
> +  0,                                                                        // UINT32     Pm1aEvtBlk
> +  0,                                                                        // UINT32     Pm1bEvtBlk
> +  0,                                                                        // UINT32     Pm1aCntBlk
> +  0,                                                                        // UINT32     Pm1bCntBlk
> +  0,                                                                        // UINT32     Pm2CntBlk
> +  0,                                                                        // UINT32     PmTmrBlk
> +  0,                                                                        // UINT32     Gpe0Blk
> +  0,                                                                        // UINT32     Gpe1Blk
> +  0,                                                                        // UINT8      Pm1EvtLen
> +  0,                                                                        // UINT8      Pm1CntLen
> +  0,                                                                        // UINT8      Pm2CntLen
> +  RPI_PM_TIMER_BLOCK_LEN,                                                   // UINT8      PmTmrLen

and here

> +  0,                                                                        // UINT8      Gpe0BlkLen
> +  0,                                                                        // UINT8      Gpe1BlkLen
> +  0,                                                                        // UINT8      Gpe1Base
> +  RPI_CST_VALUE,                                                            // UINT8      CstCnt

and here

> +  0,                                                                        // UINT16     PLvl2Lat
> +  0,                                                                        // UINT16     PLvl3Lat
> +  0,                                                                        // UINT16     FlushSize
> +  0,                                                                        // UINT16     FlushStride
> +  0,                                                                        // UINT8      DutyOffset
> +  0,                                                                        // UINT8      DutyWidth
> +  0,                                                                        // UINT8      DayAlrm
> +  0,                                                                        // UINT8      MonAlrm
> +  0,                                                                        // UINT8      Century
> +  EFI_ACPI_5_1_VGA_NOT_PRESENT | EFI_ACPI_5_1_MSI_NOT_SUPPORTED |           // UINT16     IaPcBootArch
> +  EFI_ACPI_5_1_PCIE_ASPM_CONTROLS | EFI_ACPI_5_1_CMOS_RTC_NOT_PRESENT,

IaPcBootArch is RES0 on ARM, so put 0 here as well please

> +  EFI_ACPI_RESERVED_BYTE,                                                   // UINT8      Reserved1
> +  EFI_ACPI_5_1_WBINVD | EFI_ACPI_5_1_SLP_BUTTON |                           // UINT32     Flags
> +  EFI_ACPI_5_1_HW_REDUCED_ACPI,
> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  ResetReg
> +  0,                                                                        // UINT8      ResetValue
> +  EFI_ACPI_5_1_ARM_PSCI_COMPLIANT,                                          // UINT16     ArmBootArchFlags
> +  EFI_ACPI_5_1_FIXED_ACPI_DESCRIPTION_TABLE_MINOR_REVISION,                 // UINT8      MinorRevision
> +  0,                                                                        // UINT64     XFirmwareCtrl
> +  RPI_DSDT_BASE_ADDRESS,                                                    // UINT64     XDsdt

Put 0 here

> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  XPm1aEvtBlk
> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  XPm1bEvtBlk
> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  XPm1aCntBlk
> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  XPm1bCntBlk
> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  XPm2CntBlk
> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  XPmTmrBlk
> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  XGpe0Blk
> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  XGpe1Blk
> +  NULL_GAS,                                                                 // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  SleepControlReg
> +  NULL_GAS                                                                  // EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE  SleepStatusReg
>  };
>
>  //
> --
> 2.21.0.windows.1
>

  reply	other threads:[~2019-12-18 14:46 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-18 11:41 [edk2-platforms][PATCH 0/6] Platform/RPi4: ACPI improvements Pete Batard
2019-12-18 11:41 ` [edk2-platforms][PATCH 1/6] Platform/RPi4: Clean up ACPI definitions Pete Batard
2019-12-18 11:41 ` [edk2-platforms][PATCH 2/6] Platform/RPi4: Improve FADT ACPI table generation Pete Batard
2019-12-18 14:46   ` Ard Biesheuvel [this message]
2019-12-18 16:31     ` Pete Batard
2019-12-18 11:41 ` [edk2-platforms][PATCH 3/6] Platform/RPi4: Improve SPCR and DBG2 " Pete Batard
2019-12-18 15:57   ` Philippe Mathieu-Daudé
2019-12-18 16:36     ` Pete Batard
2019-12-18 17:00       ` Philippe Mathieu-Daudé
2019-12-18 17:10         ` Pete Batard
2019-12-18 11:41 ` [edk2-platforms][PATCH 4/6] Platform/RPi4: Add switch to select between PL011 and miniUART Pete Batard
2019-12-18 16:05   ` Philippe Mathieu-Daudé
2019-12-18 16:59     ` [edk2-devel] " Pete Batard
2019-12-18 17:05       ` Philippe Mathieu-Daudé
2019-12-18 11:41 ` [edk2-platforms][PATCH 5/6] Platform/RPi4: Add XHCI and MCFG ACPI tables Pete Batard
2019-12-18 14:55   ` Ard Biesheuvel
2019-12-18 16:31     ` Pete Batard
2019-12-18 11:41 ` [edk2-platforms][PATCH 6/6] Platform/RPi4: Add ACPI basic mode build option Pete Batard
2019-12-18 12:10   ` Leif Lindholm

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-list from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAKv+Gu-RAZo+SQXMsO1Cbj2gRofh7nzP5zyWdLj0kzdC773B-Q@mail.gmail.com \
    --to=devel@edk2.groups.io \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox