The OFW map id is always use in DMA, PCI, IOMMU
bus system to find the device identity. this is
a access interface.
Signed-off-by: GuEe-GUI <2991707448@qq.com>
We support OFW API to replace fdt old API, and add
IRQ, IO, Platform-Bus, CPUs ... OFW node contorl.
To support work with Device Tree or ACPI in drivers
that use IRQ, we make a programmable interrupt
controller driver's model.
Signed-off-by: GuEe-GUI <GuEe-GUI@github.com>