Dear Dave Aldridge, In message <1313589281-9789-1-git-send-email-fovs...@gmail.com> you wrote: > If CONFIG_SYS_NS16550_MEM32 is defined then 32 bit memory > mapped access will be used to read/write the uart registers. > > This is especially useful for SoC devices that implement 16550 > compatible uarts but that have peripheral access width constraints. > > Signed-off-by: Dave Aldridge <fovs...@gmail.com> > --- > drivers/serial/ns16550.c | 3 +++ > include/ns16550.h | 2 ++ > 2 files changed, 5 insertions(+), 0 deletions(-) > > diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c > index 8eeb48f..fbb7165 100644 > --- a/drivers/serial/ns16550.c > +++ b/drivers/serial/ns16550.c > @@ -19,6 +19,9 @@ > #ifdef CONFIG_SYS_NS16550_PORT_MAPPED > #define serial_out(x,y) outb(x,(ulong)y) > #define serial_in(y) inb((ulong)y) > +#elif defined(CONFIG_SYS_NS16550_MEM32) > +#define serial_out(x,y) writel(x,y) > +#define serial_in(y) readl(y)
Don't we have to consider endianess issues here? 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 An optimist believes we live in the best world possible; a pessimist fears this is true. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
