Hi Rouven,
On Thu, Jul 02, 2020 at 09:14:11AM +0200, Rouven Czerwinski wrote:
> Add support for the Webasto Common Communication Board Version 2. The
> device tree included with barebox can eventually be replaced with the
> required barebox changes when the ccbv2 device tree is upstream.
>
> Signed-off-by: Rouven Czerwinski <r.czerwinski@xxxxxxxxxxxxxx>
> ---
> +static int ccbv2_device_init(void)
> +{
> + if (!of_machine_is_compatible("webasto,imx6ul-ccbv2"))
> + return 0;
> +
> + /* the bootloader is stored in one of the two boot partitions */
> + imx6_bbu_internal_mmcboot_register_handler("emmc", "/dev/mmc1",
> + BBU_HANDLER_FLAG_DEFAULT);
> +
> + barebox_set_hostname("weabsto-ccbv2");
> +
> + return 0;
> +
> +}
> +device_initcall(ccbv2_device_init);
> +
> +static int ccbv2_apply_overlay(void)
> +{
> + struct device_node *overlay;
> + struct fdt_header *fdt;
> + int ret;
> +
> + if(!IS_ENABLED(CONFIG_FIRMWARE_CCBV2_OPTEE))
> + return 0;
The lack of the runtime test for a compatible machine breaks running
barebox on other enabled machines. You probably do this in a
pure_initcall to register the overlay before barebox unflattens the dtb.
I'm not sure what to do about it, but breaking other machines is not an
option.
Sascha
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