[U-Boot-Users] serial does not work

[Wolfgang Denk]

In message <20040831094238.3A4BCFB047 at gatekeeper.ncic.ac.cn> you wrote:
>    my card use powerpc 440gx, i use u-boot OCOTEA board.
> when i arrive the prompt "=>", i can input no char.
> at last i find that cpu always loops in the function of 
> serial_getc() whatever i press any button. i have no error.
> cpu-->ppc4xx-->serial.c
> 	status = in8 (ACTING_UART0_BASE + UART_LSR);
> 		if ((status & asyncLSRDataReady1) != 0x0) {
> 			break;
> 		}
>     the result of (status & asyncLSRDataReady1) always is zero.
>     i do not know why.

Disable flow-control in your terminal emulation program.

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
If a packet hits a pocket on a socket on a port,
And the bus is interrupted as a very last resort,
And the address of the memory makes your floppy disk abort,
Then the socket packet pocket has an error to report! - Ken Burchill?