Re: [PATCH v4 0/4] Allow coreboot modules to autoload and enable cbmem in the arm64 defconfig

From: Nícolas F. R. A. Prado
Date: Mon Mar 04 2024 - 08:57:09 EST


On Mon, Feb 12, 2024 at 09:50:04AM -0500, Nícolas F. R. A. Prado wrote:
> This series adds the missing pieces to the coreboot bus and the module
> alias generation to allow coreboot modules to be automatically loaded
> when matching devices are detected.
>
> The configs for cbmem coreboot entries are then enabled in the arm64
> defconfig, as modules, to allow reading logs from coreboot on arm64
> Chromebooks, which is useful for debugging the boot process.
>
> Changes in v4:
> - Added driver_data to device_id struct
> - Link to v3: https://lore.kernel.org/r/20240117-coreboot-mod-defconfig-v3-0-049565a27bba@xxxxxxxxxxxxx
>
> Changes in v3:
> - Merged all "add to module device table" commits into a single commit
> which also changes the coreboot_driver struct to contain an id table
> and avoid unused variable warnings for the id tables.
>
> Changes in v2:
> - Added commits for vpd, memconsole and framebuffer drivers to add them
> to the module device table
>
> ---
> Nícolas F. R. A. Prado (4):
> firmware: coreboot: Generate modalias uevent for devices
> firmware: coreboot: Generate aliases for coreboot modules
> firmware: coreboot: Replace tag with id table in driver struct
> arm64: defconfig: Enable support for cbmem entries in the coreboot table

Hi Arnd,

is it ok for Tzung-Bi to merge this last patch for the defconfig through the
chrome-platform-firmware tree?

Thanks,
Nícolas

>
> arch/arm64/configs/defconfig | 3 +++
> drivers/firmware/google/cbmem.c | 8 +++++++-
> drivers/firmware/google/coreboot_table.c | 20 +++++++++++++++++++-
> drivers/firmware/google/coreboot_table.h | 3 ++-
> drivers/firmware/google/framebuffer-coreboot.c | 8 +++++++-
> drivers/firmware/google/memconsole-coreboot.c | 8 +++++++-
> drivers/firmware/google/vpd.c | 8 +++++++-
> include/linux/mod_devicetable.h | 10 ++++++++++
> scripts/mod/devicetable-offsets.c | 3 +++
> scripts/mod/file2alias.c | 10 ++++++++++
> 10 files changed, 75 insertions(+), 6 deletions(-)
> ---
> base-commit: 0f067394dd3b2af3263339cf7183bdb6ee0ac1f8
> change-id: 20240117-coreboot-mod-defconfig-826b01e242d9
>
> Best regards,
> --
> Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
>