[PATCH 00/40] RFC: rpi: Enable ACPI booting on ARM with Raspberry Pi 4
François Ozog
francois.ozog at linaro.org
Wed Dec 1 18:50:05 CET 2021
Hi
Le mer. 1 déc. 2021 à 18:16, Andy Shevchenko <andy.shevchenko at gmail.com> a
écrit :
> On Wed, Dec 1, 2021 at 6:56 PM Simon Glass <sjg at chromium.org> wrote:
> >
> > At present in U-Boot ACPI tables are only generated for x86 devices. It
> is
> > possible to build them for ARM as well. That is the subject of this
> > series.
> >
in the case of RPI4 what is needed is a translator from DT handed by
Videocore. If you mean generated from an assumed configuration, that may
not be good. Doing static ACPI based on assumptions as a first step is a
dangerous path.
>
> > The goal is to allow a rpi4 boot into Linux on ARM using ACPI rather than
> > devicetree. This is not due to any feeling that ACPI offers advantages to
> > the boot flow, merely because it can be done.
> >
> > This goal is not yet achieved. Mostly all that is achieved is some
> > refactoring of the ACPI code, but that is enough to get things at least
> > building on ARM. The rpi-4 the tables are installed and the board boots
> > to grub, where it is then unable to find the OS on the USB stick that is
> > inserted. Further work is needed to complete things, but the ACPI changes
> > can be applied as is.
> >
> > In terms of review, please ignore the RFC/WIP patches as they need to be
> > reworked. I am sending this series in this state to avoid sitting on
> > patches for too long and risking duplicate effort.
> >
> > The following tables are emitted with this series:
> >
> > - GTDT - Generic Timer Description Table
> > - APIC - Multiple Advanced Programmable Interrupt Controller
> > Description Table (some new records for ARM)
> > - DSDT - Differentiated System Description Table
> > - DBG2 - Debug Port Table 2
> > - FACP - Firmware ACPI Control Structure
> > - CSRT - Core System Resource Table
> > - PPTT - Processor Properties Topology Table
> >
> > Missing still are:
> > - SSDR - Secondary System Description Table
>
> SSDT
>
> > - BGRT - Boot Graphics Resource Table
>
> And SPCR
>
> >
> > Future work is needed to:
> > - Finish the remaining two tables
> > - Get things booting nicely on rpi4
> > - Find a nice way to select between ACPI and devicetree at runtime
> > - Obtain the ACPI information from the devicetree instead of #defines
> > - Use the U-Boot bcm headers instead of importing new ones
> > - Drop the unused files
> > - Add some documentation
> >
> > To test it, boot U-Boot on a rpi_4 with a suitable distribution.
> >
> > This series is available at u-boot-dm/acpi-working
> >
> >
> > Simon Glass (40):
> > Makefile: Allow LTO to be disabled for a build
> > x86: Allow any arch to generate ACPI tables
> > x86: Move the acpi table to generic global_data
> > arm: Allow supporting ACPI-table generation
> > x86: Tidy up use of CONFIG_ACPIGEN
> > sandbox: Allow building with GENERATE_ACPI_TABLE
> > efi: Correct call to write_acpi_tables()
> > efi: Correct address handling with ACPI tables
> > acpi: Use finer-grained control of ACPI-table generation
> > acpi: Allow include files within the board directory
> > acpi: Move acpi_fill_header() to the generic header
> > acpi: Add a table start
> > acpi: Add a linker list for ACPI tables
> > x86: acpi: Split out context creation from base tables
> > x86: Use the ACPI table writer
> > x86: Move base tables to a writer function
> > x86: Move FACS table to a writer function
> > x86: Move DSDT table to a writer function
> > x86: Move GNVS table to a writer function
> > x86: Move FADT table to a writer function
> > x86: Move FACP table into separate functions
> > x86: Move SSDT table to a writer function
> > x86: Move TPM2 table to a writer function
> > x86: Move MADT table to a writer function
> > x86: Move TCPA table to a writer function
> > x86: Move CSRT table to a writer function
> > x86: acpi: Update acpi_fill_csrt() to use acpi_ctx
> > x86: Move device-specific ACPI tables to a writer function
> > x86: Move acpi_get_rsdp_addr() ACPI tables to the writer
> > acpi: Collect tables in the acpi_item list
> > acpi: Tidy up the item list
> > acpi: Tidy up the table list
> > doc: Add usage information for the acpi command
> > acpi: Add some tables needed by ARM devices
> > acpi: Add myself as maintainer
> > WIP: Add debugging for ACPI emission
> > RFC: Allow passing ACPI tables to bootefi
> > WIP: Add ASL files from tianocore
> > WIP: Bring in some header files from tianocore
> > RFC: rpi: Enable booting with ACPI tables
> >
> > MAINTAINERS | 6 +
> > Makefile | 18 +-
> > arch/Kconfig | 6 +-
> > arch/arm/config.mk | 4 +-
> > arch/arm/include/asm/acpi_table.h | 15 +
> > arch/arm/include/asm/global_data.h | 2 +-
> > .../mach-bcm283x/include/mach/acpi/bcm2711.h | 93 +++
> > .../mach-bcm283x/include/mach/acpi/bcm2836.h | 124 +++
> > .../include/mach/acpi/bcm2836_gpio.h | 85 ++
> > .../include/mach/acpi/bcm2836_gpu.h | 48 ++
> > .../include/mach/acpi/bcm2836_pwm.h | 34 +
> > .../include/mach/acpi/bcm2836_sdhost.h | 90 ++
> > .../include/mach/acpi/bcm2836_sdio.h | 203 +++++
> > arch/sandbox/include/asm/acpi_table.h | 2 +
> > arch/sandbox/include/asm/global_data.h | 1 -
> > arch/sandbox/include/asm/tables.h | 0
> > arch/x86/Kconfig | 9 -
> > arch/x86/cpu/apollolake/acpi.c | 17 +-
> > arch/x86/cpu/baytrail/acpi.c | 27 +-
> > arch/x86/cpu/quark/acpi.c | 27 +-
> > arch/x86/cpu/tangier/acpi.c | 34 +-
> > arch/x86/include/asm/acpi_table.h | 4 -
> > arch/x86/include/asm/global_data.h | 1 -
> > arch/x86/lib/Makefile | 2 +-
> > arch/x86/lib/acpi_table.c | 374 +++------
> > board/raspberrypi/rpi/Makefile | 2 +
> > board/raspberrypi/rpi/acpitables.h | 189 +++++
> > board/raspberrypi/rpi/acpitables.inf | 79 ++
> > board/raspberrypi/rpi/csrt.aslc | 330 ++++++++
> > board/raspberrypi/rpi/dbg2miniuart.aslc | 81 ++
> > board/raspberrypi/rpi/dbg2pl011.aslc | 81 ++
> > board/raspberrypi/rpi/dsdt.asl | 285 +++++++
> > board/raspberrypi/rpi/emmc.asl | 166 ++++
> > board/raspberrypi/rpi/fadt.aslc | 96 +++
> > board/raspberrypi/rpi/gpudevs.asl | 397 +++++++++
> > board/raspberrypi/rpi/gtdt.aslc | 55 ++
> > board/raspberrypi/rpi/iort.aslc | 100 +++
> > board/raspberrypi/rpi/madt.aslc | 78 ++
> > board/raspberrypi/rpi/pci.asl | 168 ++++
> > board/raspberrypi/rpi/pep.asl | 90 ++
> > board/raspberrypi/rpi/pep.c | 79 ++
> > board/raspberrypi/rpi/pep.h | 121 +++
> > board/raspberrypi/rpi/pptt.aslc | 191 +++++
> > board/raspberrypi/rpi/rhpx.asl | 195 +++++
> > board/raspberrypi/rpi/rpi.c | 460 +++++++++-
> > board/raspberrypi/rpi/rpi4.dsc | 790 ++++++++++++++++++
> > board/raspberrypi/rpi/sdhc.asl | 119 +++
> > board/raspberrypi/rpi/spcrminiuart.aslc | 91 ++
> > board/raspberrypi/rpi/spcrpl011.aslc | 91 ++
> > board/raspberrypi/rpi/ssdtthermal.asl | 77 ++
> > board/raspberrypi/rpi/uart.asl | 202 +++++
> > board/raspberrypi/rpi/xhci.asl | 165 ++++
> > cmd/acpi.c | 13 +-
> > cmd/bootefi.c | 44 +-
> > configs/cherryhill_defconfig | 1 +
> > configs/chromebook_link64_defconfig | 1 +
> > configs/chromebook_link_defconfig | 1 +
> > configs/chromebook_samus_tpl_defconfig | 1 +
> > configs/coreboot64_defconfig | 1 +
> > configs/coreboot_defconfig | 1 +
> > configs/crownbay_defconfig | 1 +
> > configs/efi-x86_payload32_defconfig | 1 +
> > configs/efi-x86_payload64_defconfig | 1 +
> > configs/rpi_4_defconfig | 2 +
> > configs/slimbootloader_defconfig | 1 +
> > configs/tools-only_defconfig | 1 +
> > doc/build/gcc.rst | 17 +
> > doc/usage/acpi.rst | 235 ++++++
> > doc/usage/index.rst | 1 +
> > drivers/core/acpi.c | 70 +-
> > drivers/misc/qfw.c | 3 +-
> > include/acpi/acpi_table.h | 235 +++++-
> > include/asm-generic/global_data.h | 8 +
> > include/dm/acpi.h | 110 +++
> > lib/Kconfig | 18 +
> > lib/Makefile | 2 +-
> > lib/acpi/Makefile | 23 +-
> > lib/acpi/acpi_table.c | 82 --
> > lib/acpi/acpi_writer.c | 132 +++
> > lib/acpi/base.c | 94 +++
> > lib/acpi/csrt.c | 49 ++
> > lib/acpi/dsdt.c | 55 ++
> > lib/acpi/facs.c | 35 +
> > lib/acpi/ssdt.c | 49 ++
> > lib/efi_loader/Makefile | 2 -
> > lib/efi_loader/efi_acpi.c | 5 +-
> > scripts/Makefile.lib | 3 +-
> > test/dm/acpi.c | 79 +-
> > 88 files changed, 6875 insertions(+), 506 deletions(-)
> > create mode 100644 arch/arm/mach-bcm283x/include/mach/acpi/bcm2711.h
> > create mode 100644 arch/arm/mach-bcm283x/include/mach/acpi/bcm2836.h
> > create mode 100644
> arch/arm/mach-bcm283x/include/mach/acpi/bcm2836_gpio.h
> > create mode 100644 arch/arm/mach-bcm283x/include/mach/acpi/bcm2836_gpu.h
> > create mode 100644 arch/arm/mach-bcm283x/include/mach/acpi/bcm2836_pwm.h
> > create mode 100644
> arch/arm/mach-bcm283x/include/mach/acpi/bcm2836_sdhost.h
> > create mode 100644
> arch/arm/mach-bcm283x/include/mach/acpi/bcm2836_sdio.h
> > create mode 100644 arch/sandbox/include/asm/tables.h
> > create mode 100644 board/raspberrypi/rpi/acpitables.h
> > create mode 100644 board/raspberrypi/rpi/acpitables.inf
> > create mode 100644 board/raspberrypi/rpi/csrt.aslc
> > create mode 100644 board/raspberrypi/rpi/dbg2miniuart.aslc
> > create mode 100644 board/raspberrypi/rpi/dbg2pl011.aslc
> > create mode 100644 board/raspberrypi/rpi/dsdt.asl
> > create mode 100644 board/raspberrypi/rpi/emmc.asl
> > create mode 100644 board/raspberrypi/rpi/fadt.aslc
> > create mode 100644 board/raspberrypi/rpi/gpudevs.asl
> > create mode 100644 board/raspberrypi/rpi/gtdt.aslc
> > create mode 100644 board/raspberrypi/rpi/iort.aslc
> > create mode 100644 board/raspberrypi/rpi/madt.aslc
> > create mode 100644 board/raspberrypi/rpi/pci.asl
> > create mode 100644 board/raspberrypi/rpi/pep.asl
> > create mode 100644 board/raspberrypi/rpi/pep.c
> > create mode 100644 board/raspberrypi/rpi/pep.h
> > create mode 100644 board/raspberrypi/rpi/pptt.aslc
> > create mode 100644 board/raspberrypi/rpi/rhpx.asl
> > create mode 100644 board/raspberrypi/rpi/rpi4.dsc
> > create mode 100644 board/raspberrypi/rpi/sdhc.asl
> > create mode 100644 board/raspberrypi/rpi/spcrminiuart.aslc
> > create mode 100644 board/raspberrypi/rpi/spcrpl011.aslc
> > create mode 100644 board/raspberrypi/rpi/ssdtthermal.asl
> > create mode 100644 board/raspberrypi/rpi/uart.asl
> > create mode 100644 board/raspberrypi/rpi/xhci.asl
> > create mode 100644 doc/usage/acpi.rst
> > create mode 100644 lib/acpi/acpi_writer.c
> > create mode 100644 lib/acpi/base.c
> > create mode 100644 lib/acpi/csrt.c
> > create mode 100644 lib/acpi/dsdt.c
> > create mode 100644 lib/acpi/facs.c
> > create mode 100644 lib/acpi/ssdt.c
> >
> > --
> > 2.34.0.rc2.393.gf8c9666880-goog
> >
>
>
> --
> With Best Regards,
> Andy Shevchenko
>
--
François-Frédéric Ozog | *Director Business Development*
T: +33.67221.6485
francois.ozog at linaro.org | Skype: ffozog
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