On Tue, Oct 24, 2023 at 06:38:43PM +0100, Caleb Connolly wrote: > Add a new config option to allow u-boot to reuse the FDT provided by the > previous stage bootloader when available. > > On some boards the previous stage bootloader can populate > platform-specific parts of the devicetree such as the memory node, this > allows us to avoid hardcoding it in u-boot and instead determine it > dynamically at runtime. > > Signed-off-by: Caleb Connolly <caleb.conno...@linaro.org> [snip] > +/** > + * get_prev_bl_fdt_addr - When u-boot is chainloaded, get the address > + * of the FDT passed by the previous bootloader. > + * > + * Return: the address of the FDT passed by the previous bootloader > + * or 0 if not found. > + */ > +phys_addr_t get_prev_bl_fdt_addr(void); > +#else > +#define get_prev_bl_fdt_addr() 0LLU > #endif
Question in v1 aside, why do you need the dummy define here? -- Tom
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