On 9/18/07, Leopold Stotch <[EMAIL PROTECTED]> wrote: > Hello, everyone ! > > I have TQM5200S module and development board. > It runs factory UBoot and latest DENX's linuxppc_2_4_devel kernel. > I want to configure all TQM5200S's onboard PSC's as UART's. > TQM5200S's onboard PSC's are connected to custom board > that makes all electrical things as my hardware engineer says... > So changed > $HOME/linuxppc_2_4_devel/arch/ppc/platforms/tqm5200.h > the following way: > > #ifdef CONFIG_PS2MULT > #define RS_TABLE_SIZE 4 > #else > #if defined(CONFIG_SPI_EVAL) || defined(CONFIG_TB5200) > #define RS_TABLE_SIZE 2 > #elif defined(CONFIG_CAM5200) > #define RS_TABLE_SIZE 6 > #else > #define RS_TABLE_SIZE 3 > #endif > #endif > > changed to > > #ifdef CONFIG_PS2MULT > #define RS_TABLE_SIZE 4 > #else > #if defined(CONFIG_SPI_EVAL) || defined(CONFIG_TB5200) > #define RS_TABLE_SIZE 2 > #elif defined(CONFIG_CAM5200) > #define RS_TABLE_SIZE 6 > #else > #define RS_TABLE_SIZE 6 > #endif > #endif > > and > > #else /* default */ > #define SERIAL_PORT_DFNS \ > STD_PSC_OP(1) \ > STD_PSC_OP(2) \ > STD_PSC_OP(3) > #endif > > changed to > > #else /* default */ > #define SERIAL_PORT_DFNS \ > STD_PSC_OP(1) \ > STD_PSC_OP(2) \ > STD_PSC_OP(3) \ > STD_PSC_OP(4) \ > STD_PSC_OP(5) \ > STD_PSC_OP(6) > #endif > > After rebuilding the kernel, dmesg says: > > ... > ttyS0 on PSC1 > ttyS1 on PSC2 > ttyS2 on PSC3 > ttyS3 on PSC4 > ttyS4 on PSC5 > ttyS5 on PSC6 > ... > > But when i do "echo 1 > /dev/ttyS4" i receive nothing at the other end.
Have you made the appropriate changes to the port_config register? Cheers, g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. [EMAIL PROTECTED] (403) 399-0195 _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
