Hi On Sun, Mar 16, 2014 at 11:07 AM, armdev <armdev.ftm@xxxxxxxxx> wrote: > 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. > Are you sure that you don't need to clock uart logic? I don't have such board I'm trying just to help you Michael > Thanks > armdev team > > On 16-Mar-2014, at 2:56 pm, Michael Trimarchi <michael@xxxxxxxxxxxxxxxxxxxx> wrote: > >> Hi >> >> On Fri, Mar 14, 2014 at 9:04 AM, armdev <armdev.ftm@xxxxxxxxx> 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 >>> _______________________________________________ >>> U-Boot mailing list >>> U-Boot@xxxxxxxxxxxxx >>> http://lists.denx.de/mailman/listinfo/u-boot >> >> >> >> -- >> | Michael Nazzareno Trimarchi Amarula Solutions BV | >> | COO - Founder Cruquiuskade 47 | >> | +31(0)851119172 Amsterdam 1018 AM NL | >> | [`as] http://www.amarulasolutions.com | > -- | Michael Nazzareno Trimarchi Amarula Solutions BV | | COO - Founder Cruquiuskade 47 | | +31(0)851119172 Amsterdam 1018 AM NL | | [`as] http://www.amarulasolutions.com | -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html