Dear Jens Scharsig, In message <4ae946e7.4050...@bus-elektronik.de> you wrote: > > If I understand you correctly now? > The train goes in the opposite direction. > > in the AT91RM9200.h > > a port is defined as > > typedef struct _AT91S_PIO > { > ... > AT91_REG PIO_OER; /* Output Enable Register */ > ... > } AT91S_PIO, *AT91PS_PIO;
This is close. Of course we should drop the AT91_REG and use standard types instead, and "PIO_OER" is not a logal variable name either because it's all-capitals. So this entry should rather look like this: ... u32 pio_oer; ... > and > > #define AT91C_BASE_PIOC ((AT91PS_PIO) 0xFFFFF800) This is definitely deprecated. > So the access should be > > AT91PS_PIO pioa = AT91C_BASE_PIOA; > ... > writel(AT91C_PA23_TXD2, &pioa->PIO_OER); Yes, except for the incorrect variable name. > or > > writel(AT91C_PA23_TXD2, &AT91C_BASE_PIOA->PIO_OER); No. > I'm right? Mostly :-) Thanks! Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de The software required `Windows 95 or better', so I installed Linux. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot