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.salvate...@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.ag...@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
>
>
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