Lokesh Kumar wrote: > Hi, > I got the serial.c from DENX linuxppc_2.4._devel tree which has support for > 16550A as memory mapped uart, and am using it as a module. I made > modifications to match my board. When I start it, it correctly recognizes > that I have a 16550A and at correct IRQ. However, when I open and send > something through the port (I just do cat>/dev/ttySe0), I get garbage on the > other side. My 16550 has a crystal of 3.6864MHz and the processor runs at > 49MHz. I thought that this kind of garbage problem is generally due to baud > rate not set correctly. I see the divisor correctly calculated as > 3686400/16/9600 = 24 and being sent to 16550. What else could I be doing > wrong?
Did you verify the baudrate using a scope to measure the bittime? Steven ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
