Re: [U-Boot] Improper assumption of serial port

2013-04-15 Thread Simon Glass
Hi Vladimir, On Sun, Apr 7, 2013 at 8:42 AM, Vladimir 'φ-coder/phcoder' Serbinenko wrote: > U-boot on coreboot assumes that serial port is always available and > improperly interprets missing ones as stream of 0xff. What would be the > proper way to handle this? Is it acceptable to probe at it's

[U-Boot] Improper assumption of serial port

2013-04-07 Thread Vladimir 'φ-coder/phcoder' Serbinenko
U-boot on coreboot assumes that serial port is always available and improperly interprets missing ones as stream of 0xff. What would be the proper way to handle this? Is it acceptable to probe at it's address whether we have a valid ns8250/ns16550 device (we can read back the divisor and compare wi