Re: [PATCH 01/21] arm: init: export prev_bl_fdt_addr

On Tue, Nov 21, 2023 at 05:09:24PM +0000, Caleb Connolly wrote:

When booting U-Boot on board with a locked down first-stage bootloader, we emulate the Linux boot header. By passing the U-Boot FDT through this first-stage bootloader and retrieving it afterwards we can pre-populate the memory nodes and other info like the KASLR address.

Add a function to export the FDT addr so that boards can use it over the built-in FDT.

Don't check is_addr_accessible() here because we might not yet have a valid mem_map if it's going to be populated from the FDT, let the board do their own validation instead.

Signed-off-by: Caleb Connolly caleb.connolly@linaro.org

Reviewed-by: Tom Rini trini@konsulko.com