As described by [1], the kernel generated by the configuration for the
STM32f469 Discovery board is buggy. Using a newer kernel, as suggested
by [1], increases the dtb and Kernel image size. In particular, the
5.12 version of the kernel generates a dtb and a kernel image whose sum
exceeds the 2 MByte of the flash module.
So I decided to replace the afboot-stm32 bootloader in the flash with
U-boot to easily boot the system from sdcard without having to worry
about the size of dtb, kernel and rootfs generated by the configuration.
This solution allows you to fix the kernel boot issue and makes it
possible to use its future versions.
[1] http://buildroot-busybox.2317881.n4.nabble.com/Bug-11746-New-stm32f469-didn-t-work-correctly-td219644.html
Signed-off-by: Dario Binacchi <dariobin@libero.it>
Acked-by: Christophe Priouzeau <christophe.priouzeau@foss.st.com>
Tested-by: Christophe Priouzeau <christophe.priouzeau@foss.st.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
[Arnout:
- specify headers version explicitly, even though it's default;
- bump kernel to 5.12.11]
Similar to stm32f429_disco, this commit adds a configuration for the
Cortex-M4 based STM32F469 platform.
It requires a few kernel patches, which have already been submitted
upstream, as well as a small OpenOCD patch. Besides that, it re-uses
most of what has been added for the STM32F429 platform.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
[Thomas:
- squash multiple patches from Lee Jones into one
- improve the readme.txt file
- sync the defconfig with the adaptations made to the stm32f429
configuration.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
