On Wed, Jun 16, 2021 at 02:37:18PM -0400, Tom Rini wrote:
> All of our platforms here support running EFI binaries. We can have wic
> generate a simple grub.cfg file for us that will find the root partition
> via PARTUUID and utilize the device tree that is already discoverable
> via the EFI configuration tables. Assuming the EFI loader is U-Boot,
> this device tree can be replaced at run-time by the normal mechanism of
> loading in to memory and passing that address as an argument to bootefi.
>
> Signed-off-by: Tom Rini <tr...@konsulko.com>
> ---
> conf/machine/include/k3.inc | 5 ++++-
> wic/sdimage-2part-efi.wks | 7 +++++++
> 2 files changed, 11 insertions(+), 1 deletion(-)
> create mode 100644 wic/sdimage-2part-efi.wks
>
> diff --git a/conf/machine/include/k3.inc b/conf/machine/include/k3.inc
> index e0970698b33d..61438abe8f19 100644
> --- a/conf/machine/include/k3.inc
> +++ b/conf/machine/include/k3.inc
> @@ -45,7 +45,10 @@ IMAGE_BOOT_FILES_MULTI_CERT = "${SPL_BINARY}
> u-boot.${UBOOT_SUFFIX} tiboot3.bin"
>
> IMAGE_BOOT_FILES ?= "${IMAGE_BOOT_FILES_LEGACY}"
>
> -WKS_FILE ?= "sdimage-2part.wks"
> +EFI_PROVIDER ?= "grub-efi"
> +MACHINE_FEATURES += "efi"
> +
> +WKS_FILE ?= "sdimage-2part-efi.wks"
> do_image_wic[depends] += "virtual/bootloader:do_deploy"
> do_image_wic[mcdepends] += "mc::k3r5:virtual/bootloader:do_deploy
> mc::k3r5:ti-sci-fw:do_deploy"
> do_image_tar[mcdepends] += "mc::k3r5:virtual/bootloader:do_deploy
> mc::k3r5:ti-sci-fw:do_deploy"
> diff --git a/wic/sdimage-2part-efi.wks b/wic/sdimage-2part-efi.wks
> new file mode 100644
> index 000000000000..6b03080eb5bf
> --- /dev/null
> +++ b/wic/sdimage-2part-efi.wks
> @@ -0,0 +1,7 @@
> +# short-description: Create SD card image with 2 partitions and EFI support
> +# long-description: Creates a partitioned SD card image for TI platforms that
> +# supports EFI. Boot files are located in the first vfat partition with
> extra
> +# reserved space. We cannot use a GPT here.
Was "extra reserved space" in the boot partition lost?
Not sure if it's still needed - it was used for testing.
> +bootloader --append="rootfstype=ext4 ro"
> +part /boot --source bootimg-efi --sourceparams="loader=grub-efi"
> --fstype=vfat --label boot --active --align 1024 --use-uuid
> +part / --source rootfs --fstype=ext4 --label root --align 1024 --use-uuid
> --
> 2.17.1
>
--
Regards,
Denys Dmytriyenko <de...@denix.org>
PGP: 0x420902729A92C964 - https://denix.org/0x420902729A92C964
Fingerprint: 25FC E4A5 8A72 2F69 1186 6D76 4209 0272 9A92 C964
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