[U-Boot] Enabling uart 3 in arndale

[armdev]

Dear Michael,
Yep didn’t got any prints. So tried a hack.
a) Booted using uart 2
b) set the GPACON
c) Copied the config from 0x12c20000 to 0x12c30000
d)tried to write a char 0x41 (A) on 0x12c20020 0x12c30020, I got output on UART2 but not on UART3.

We would like to use both uarts. 
Have you used UART3, did the boot to UART3 worked for you ? So you see any problem with any of our steps listed in this / pref mail.

Thanks 
armdev team

On 16-Mar-2014, at 2:56 pm, Michael Trimarchi <michael at amarulasolutions.com> wrote:

> Hi
> 
> On Fri, Mar 14, 2014 at 9:04 AM, armdev <armdev.ftm at gmail.com> wrote:
>> Hi,
>> 
>> We are trying to enable the UART3 on COM18 pins of arndale board. The UART3 RXD and TXD are on pins 2 and 4 which as per the base board specification is connected as
>> 
>> XuRXD3 : UART_3_RXD/GPA1[4] : 2
>> XuTXD3 : UART_3_TXD/GPA1[5] : 4
>> 
>> As per the public reference manual of exynos 5250, there is a register GPACON (0x1140_0000)
>> Setting GPACON |= 0x0010_0000 should enable the pins, but I am not able to see any output on UART3.
>> 
>> Can you please suggest what is the right procedure
>> 
> 
> Did you change the board console output ;)?
> 
> Michael
> 
>> -Regards
>> armdev team @FTM
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> 
> 
> 
> -- 
> | Michael Nazzareno Trimarchi                     Amarula Solutions BV |
> | COO  -  Founder                                      Cruquiuskade 47 |
> | +31(0)851119172                                 Amsterdam 1018 AM NL |
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