Re: Continuing UCC UART woes

2010-06-24 Thread Chuck Meade
>> You can use strategic printk debugging in the ucc_uart.c driver to >> determine >> on the Tx side what is going wrong. For example, after you tell the >> QE to >> output chars, wait a bit and printk out the BD. See if the QE is >> clearing the >> READY bit in that BD. That will tell you if th

Re: Continuing UCC UART woes

2010-06-24 Thread Gary Thomas
On 06/24/2010 07:38 AM, Chuck Meade wrote: One thing I noticed is that the firmware patch seems quite old. I got the firmware package from http://opensource.freescale.com/firmware/ We were also told (by FreeScale) to look at https://www.freescale.com/webapp/Download?colCode=QERAMPKG Looking at t

Re: Continuing UCC UART woes

2010-06-24 Thread Chuck Meade
> One thing I noticed is that the firmware patch seems quite old. > I got the firmware package from http://opensource.freescale.com/firmware/ > We were also told (by FreeScale) to look at > https://www.freescale.com/webapp/Download?colCode=QERAMPKG > > Looking at these two packages, it's unclear t

Re: Continuing UCC UART woes

2010-06-24 Thread Gary Thomas
On 06/24/2010 06:54 AM, Gary Thomas wrote: I thought I had this working, but it seems to only work for UCC3. Sadly, I can't get it to work on UCC4/UCC5/UCC8 at all. Starting with UCC4, I have: /* ttyQE0 (UCC4) */ serial_qe0: ser...@3200 { device_type = "serial"; compatible = "ucc_uart"; cell-ind