Re: [Buildroot] [PATCH 1/1] configs/freescale_imx93frdm: bump U-Boot, TF-A and Linux

[Julien Olivain via buildroot <buildroot@buildroot.org>]

On 29/07/2026 20:42, Robert P. J. Day wrote:
> On Sun, 26 Jul 2026, Julien Olivain wrote:
> 
>> Since Buildroot commit [1] "package/gcc: switch to GCC 15.x as the
>> default", compiling freescale_imx93frdm_defconfig fails in TF-A with
>> error:
>> 
>>     include/drivers/nxp/trdc/imx_trdc.h:7: error: header guard 
>> 'IMX_TRDC_H' followed by '#define' of a different macro 
>> [-Werror=header-guard]
>>         7 | #ifndef IMX_TRDC_H
>>     include/drivers/nxp/trdc/imx_trdc.h:8: note: 'IMX_XRDC_H' is 
>> defined here; did you mean 'IMX_TRDC_H'?
>>         8 | #define IMX_XRDC_H
>> 
>> The issue happen because this defconfig is using a Buildroot
>> (internal) toolchain which uses gcc version 15 by default.
>> 
>> This issue was fixed upstream in [2], first included in TF-A v2.13.
>> 
>> This commit updates U-Boot, TF-A and Linux to use the NXP
>> tag lf-6.18.20-2.0.0, which include this fixes.
>> 
>> Note that, as described in the commit log of [3] which introduced
>> this defconfig, U-Boot and Linux were forks. Now the necessary
>> patches are included in the vendor BSP, this commit switches those
>> repos to use the vendor ones.
>> 
>> While at it, this commit also switches the defconfig to use an
>> external glibc stable Bootlin toolchain, to follow recommendations
>> from [4]. Since an external toolchain is used, the linux-headers.hash
>> custom hash file is no longer needed and is also removed. At the
>> time of this commit, the Bootlin stable toolchain is a gcc 14.
>> 
>> Also, due to the upstream uboot commit [5], this commit adds a uboot
>> config fragment to disable CONFIG_EFI_CAPSULE_AUTHENTICATE, to
>> remove the dependency on the command "cert-to-efi-sig-list", provided
>> the host efitools package, which is not yet in Buildroot.
>> 
>> This commit was run tested on board 700-94611 Rev B1.
>> 
>> [1] 
>> https://gitlab.com/buildroot.org/buildroot/-/commit/a75b8623f5515d99bec48f96586115953150558e
>> [2] 
>> https://git.trustedfirmware.org/plugins/gitiles/TF-A/trusted-firmware-a.git/+/2e9198d0e0cbe9546348dd0a71ff6c3d2061d4eb%5E%21/
>> [3] 
>> https://gitlab.com/buildroot.org/buildroot/-/commit/2e05f22ff862192a7e512d0db0486351bba94ae8
>> [4] 
>> https://elinux.org/Buildroot:DeveloperDaysELCE2024#Rules_for_defconfigs
>> [5] 
>> https://git.u-boot-project.org/u-boot/u-boot/-/commit/fd58c275f6ba524101ba0990e53f5a11ac390bd0
>> 
>> Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
>> Signed-off-by: Julien Olivain <ju.o@free.fr>
>> ---
>>  .../arm-trusted-firmware/arm-trusted-firmware.hash    |  2 +-
>>  .../patches/linux-headers/linux-headers.hash          |  1 -
>>  board/freescale/imx93frdm/patches/linux/linux.hash    |  2 +-
>>  board/freescale/imx93frdm/patches/uboot/uboot.hash    |  2 +-
>>  board/freescale/imx93frdm/uboot.fragment              |  1 +
>>  configs/freescale_imx93frdm_defconfig                 | 11 
>> +++++++----
>>  6 files changed, 11 insertions(+), 8 deletions(-)
>>  delete mode 120000 
>> board/freescale/imx93frdm/patches/linux-headers/linux-headers.hash
>>  create mode 100644 board/freescale/imx93frdm/uboot.fragment
>> 
>> diff --git 
>> a/board/freescale/imx93frdm/patches/arm-trusted-firmware/arm-trusted-firmware.hash 
>> b/board/freescale/imx93frdm/patches/arm-trusted-firmware/arm-trusted-firmware.hash
>> index 7561385cb8..bf39f1e9c7 100644
>> --- 
>> a/board/freescale/imx93frdm/patches/arm-trusted-firmware/arm-trusted-firmware.hash
>> +++ 
>> b/board/freescale/imx93frdm/patches/arm-trusted-firmware/arm-trusted-firmware.hash
>> @@ -1,2 +1,2 @@
>>  # Locally calculated
>> -sha256  
>> 8cfe0afc903ebbc03f27e4874aa9ce82be78843a8b42ed4c906871e7f311b510  
>> imx-atf-lf-6.6.36-2.1.0.tar.gz
>> +sha256  
>> d7813f4ad5431edb162d6be2775bc021f9007b9c6934e977330291168523a507  
>> imx-atf-lf-6.18.20-2.0.0.tar.gz
>> diff --git 
>> a/board/freescale/imx93frdm/patches/linux-headers/linux-headers.hash 
>> b/board/freescale/imx93frdm/patches/linux-headers/linux-headers.hash
>> deleted file mode 120000
>> index 5808d92afe..0000000000
>> --- 
>> a/board/freescale/imx93frdm/patches/linux-headers/linux-headers.hash
>> +++ /dev/null
>> @@ -1 +0,0 @@
>> -../linux/linux.hash
>> \ No newline at end of file
>> diff --git a/board/freescale/imx93frdm/patches/linux/linux.hash 
>> b/board/freescale/imx93frdm/patches/linux/linux.hash
>> index 0da8c03384..222ec55328 100644
>> --- a/board/freescale/imx93frdm/patches/linux/linux.hash
>> +++ b/board/freescale/imx93frdm/patches/linux/linux.hash
>> @@ -1,2 +1,2 @@
>>  # Locally calculated
>> -sha256  
>> 3244dc3c62c990d9de90e1c7193aa3099e0e74e720de5c9c13edfbfdd802f596  
>> linux-imx-lf-6.6.36-2.1.0-imx93frdm.tar.gz
>> +sha256  
>> a8f55764fd1418db8adfd2711c0abb7d5464a8ee1cbfd0f6878f1059ecfa1316  
>> linux-imx-lf-6.18.20-2.0.0.tar.gz
>> diff --git a/board/freescale/imx93frdm/patches/uboot/uboot.hash 
>> b/board/freescale/imx93frdm/patches/uboot/uboot.hash
>> index e512c27f7d..01e860b59e 100644
>> --- a/board/freescale/imx93frdm/patches/uboot/uboot.hash
>> +++ b/board/freescale/imx93frdm/patches/uboot/uboot.hash
>> @@ -1,2 +1,2 @@
>>  # Locally calculated
>> -sha256  
>> bced4334363199d5465532d221d06dc3a5b49271067d74408019c825ed2ca715  
>> uboot-imx-lf-6.6.36-2.1.0-imx93frdm.tar.gz
>> +sha256  
>> 96942f8c49736b7d40277891bf0a34cfdd0afb59390f79b65b2b33b3bbd19f61  
>> uboot-imx-lf-6.18.20-2.0.0.tar.gz
>> diff --git a/board/freescale/imx93frdm/uboot.fragment 
>> b/board/freescale/imx93frdm/uboot.fragment
>> new file mode 100644
>> index 0000000000..201ab28290
>> --- /dev/null
>> +++ b/board/freescale/imx93frdm/uboot.fragment
>> @@ -0,0 +1 @@
>> +# CONFIG_EFI_CAPSULE_AUTHENTICATE is not set
>> diff --git a/configs/freescale_imx93frdm_defconfig 
>> b/configs/freescale_imx93frdm_defconfig
>> index 8e16762d8f..53875cc020 100644
>> --- a/configs/freescale_imx93frdm_defconfig
>> +++ b/configs/freescale_imx93frdm_defconfig
>> @@ -1,14 +1,16 @@
>>  BR2_aarch64=y
>>  BR2_cortex_a55=y
>>  BR2_ARM_FPU_VFPV4D16=y
>> -BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_6=y
>> +BR2_TOOLCHAIN_EXTERNAL=y
>> +BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
>> +BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y
>>  BR2_GLOBAL_PATCH_DIR="board/freescale/imx93frdm/patches"
>>  BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
>>  BR2_TARGET_GENERIC_GETTY_PORT="ttyLP0"
>>  
>> BR2_ROOTFS_POST_IMAGE_SCRIPT="board/freescale/common/imx/imx9-bootloader-prepare.sh 
>> board/freescale/common/imx/post-image.sh"
>>  BR2_LINUX_KERNEL=y
>>  BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
>> -BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call 
>> github,jolivain,linux-imx,lf-6.6.36-2.1.0-imx93frdm)/linux-imx-lf-6.6.36-2.1.0-imx93frdm.tar.gz"
>> +BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call 
>> github,nxp-imx,linux-imx,lf-6.18.20-2.0.0)/linux-imx-lf-6.18.20-2.0.0.tar.gz"
>>  BR2_LINUX_KERNEL_DEFCONFIG="imx_v8"
>>  BR2_LINUX_KERNEL_DTS_SUPPORT=y
>>  BR2_LINUX_KERNEL_INTREE_DTS_NAME="freescale/imx93-11x11-frdm"
>> @@ -22,14 +24,15 @@ BR2_TARGET_ROOTFS_EXT2_4=y
>>  BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
>>  BR2_TARGET_ARM_TRUSTED_FIRMWARE=y
>>  BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL=y
>> -BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL_LOCATION="$(call 
>> github,nxp-imx,imx-atf,lf-6.6.36-2.1.0)/imx-atf-lf-6.6.36-2.1.0.tar.gz"
>> +BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL_LOCATION="$(call 
>> github,nxp-imx,imx-atf,lf-6.18.20-2.0.0)/imx-atf-lf-6.18.20-2.0.0.tar.gz"
>>  BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="imx93"
>>  BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31=y
>>  BR2_TARGET_UBOOT=y
>>  BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
>>  BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
>> -BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="$(call 
>> github,jolivain,uboot-imx,lf-6.6.36-2.1.0-imx93frdm)/uboot-imx-lf-6.6.36-2.1.0-imx93frdm.tar.gz"
>> +BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="$(call 
>> github,nxp-imx,uboot-imx,lf-6.18.20-2.0.0)/uboot-imx-lf-6.18.20-2.0.0.tar.gz"
>>  BR2_TARGET_UBOOT_BOARD_DEFCONFIG="imx93_11x11_frdm"
>> +BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="board/freescale/imx93frdm/uboot.fragment"
>>  BR2_TARGET_UBOOT_NEEDS_DTC=y
>>  BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
>>  BR2_TARGET_UBOOT_NEEDS_GNUTLS=y
>> --
>> 2.55.0
>> 
> 
> Looks good, here's the first part of the boot after applying the patch
> and configuring with "make freescale_imx93frdm_defconfig":
> 
> 
> U-Boot SPL 2026.04 (Jul 29 2026 - 14:16:48 -0400)
> PMIC: PCA9451A
> PMIC: Over Drive Voltage Mode
> DDR: 3733MTS
> found DRAM 2CS_2GB DRAM matched
> M33 prepare ok
> Normal Boot
> Trying to boot from BOOTROM
> Boot Stage: Primary boot
> image offset 0x8000, pagesize 0x200, ivt offset 0x0
> Load image from 0x5b400 by ROM_API
> NOTICE:  TRDC init done
> NOTICE:  BL31: v2.14.1(release):custom
> NOTICE:  BL31: Built : 14:15:18, Jul 29 2026
> 
> 
> U-Boot 2026.04 (Jul 29 2026 - 14:16:48 -0400)
> 
> Reset Status: POR
> 
> CPU:   NXP i.MX93(52) Rev1.1 A55 at 1700 MHz
> CPU:   Industrial temperature grade (-40C to 105C) at 33C
> Model: NXP i.MX93 11X11 FRDM board
> DRAM:  2 GiB
> optee optee: OP-TEE api uid mismatch
> BOARD: V1.0(ADC2:686,ADC3:297)
> TCPC:  Vendor ID [0x1fc9], Product ID [0x5110], Addr [I2C2 0x52]
> SNK.Power3.0 on CC1
> 
> ... snip until login prompt ...
> 
> Tested-by: Robert P. J. Day <rpjday@crashcourse.ca>

Thanks for testing. With that, I applied the patch to master.

Best regards,

Julien.
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