You need to compile a device tree for every single device you want to support individually, whereas x86 has ACPI to avoid that mess. ACPI is its own mess, yes. And UBoot is great. But it isn't a standalone replacement for a unified firmware interface/"BIOS"/whatever.
You need to compile a device tree for every single device you want to support individually, whereas x86 has ACPI to avoid that mess. ACPI is its own mess, yes. And UBoot is great. But it isn't a standalone replacement for a unified firmware interface/"BIOS"/whatever.