tree e4627b229ae7e6ec0ac9a72d680157aa50e92d2f
parent 1c7213e95b01fcc6de819cf2f042a5697985e3f9
author Graeme Russ <graeme.russ@gmail.com> 1272031546 +1000
committer Wolfgang Denk <wd@denx.de> 1273097788 +0200

SERIAL: Enable port-mapped access

The x86 architecture exclusively uses Port-Mapped I/O (inb/outb) to access
the 16550 UARTs. This patch mimics how Linux selects between Memory-Mapped
and Port-Mapped I/O. This allows x86 boards to use CONFIG_SERIAL_MUTLI and
drop the custom serial port driver

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>