[U-Boot] [PATCH] common: add board specific hook for os preboot config
Stefan Agner
stefan at agner.ch
Mon Sep 24 14:19:44 UTC 2018
On 13.08.2018 09:30, Gerard Salvatella wrote:
> Some boards require specific configuration prior to booting the kernel.
> For instance, our boards require shutting down the display to avoid
> fading transitions before the drivers are reloaded by the kernel. This
> could be facilitated by adding an extra hook during the os booting
> process.
>
> Signed-off-by: Gerard Salvatella <gerard.salvatella at toradex.com>
Tom, any thoughts on this? I guess it would get merged directly by you?
FWIW, I suggested this approach, and Gerards implementation looks good
to me, so:
Reviewed-by: Stefan Agner <stefan.agner at toradex.com>
--
Stefan
> ---
> common/bootm_os.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/common/bootm_os.c b/common/bootm_os.c
> index f4bd905909..1e7af56b64 100644
> --- a/common/bootm_os.c
> +++ b/common/bootm_os.c
> @@ -505,9 +505,16 @@ __weak void arch_preboot_os(void)
> /* please define platform specific arch_preboot_os() */
> }
>
> +/* Allow for board specific config before we boot */
> +__weak void board_preboot_os(void)
> +{
> + /* please define board specific board_preboot_os() */
> +}
> +
> int boot_selected_os(int argc, char * const argv[], int state,
> bootm_headers_t *images, boot_os_fn *boot_fn)
> {
> + board_preboot_os();
> arch_preboot_os();
> boot_fn(state, argc, argv, images);
>
> --
> 2.18.0
>
>
> [Toradex Logo]<http://toradex.com> Global Leader in ArmĀ®
> Embedded Computer Modules
>
> Choose
> Us<https://www.toradex.com/how-to-choose-system-computer-on-module-partner>
> | Products<https://www.toradex.com/products> | Developer
> Center<http://developer.toradex.com/> |
> Community<https://www.toradex.com/community> |
> Careers<https://careers.toradex.com/>
> Meet our engineers
> at<https://www.toradex.com/events>:<https://www.toradex.com/events>
> - Linux Developer Conference, Brazil, Aug 25-26, 2018
> - NXP Technology Days 2018, United States, Aug 28, 2018
> - IoT Latin America, Brazil, Aug 29-30, 2018
>
>
>
> _______________________________________________
> U-Boot mailing list
> U-Boot at lists.denx.de
> https://lists.denx.de/listinfo/u-boot
More information about the U-Boot
mailing list