On Wed, Jul 13, 2005 at 10:05:23PM +0400, Vitaly Bordug wrote: > Hi! > Do anyone have 2-nd UART port working on MPC8272ADS? > > The target boots OK via both UARTs as console, but any attempt to > transmit/receive data via the other port have failed. > A quick lookup results that ...init_scc is called only in `console` > case. After addition of this call to the cpm_uart_startup (just for > instance) transmit from the target occur, but with only half of data. I > tried various pin settings including working combinations from the old > uart driver but with the same result. > > I guess that 8xx that are also handled by this driver may behave > likewise, so any information whether cpm_uart driver works well (or > not) on 8xx is also valuable. > > Any ideas how to solve this or concerning possible reasons of such > behavior are greatly appreciated.
I had some problems with multiple UARTs (SMC and SCC) on 8248-based custom board. It was due to completely brain-damaged BRG allocation in cpm2_io/uart.c. I had to hack it to make SCC UART working along with SMC one. -- Eugene
