Re: [PATCH 4/6] ce4100: Add errata fixes for UART on CE4100

[Dirk Brandewie]

On 11/11/2010 03:34 AM, Thomas Gleixner wrote:
> > +	 * Over ride the legacy port configuration that comes from
> > +	 * asm/serial.h. Using the ioport driver then switching to the
> > +	 * PCI memmaped driver hangs the IOAPIC
> > +	 */
> > +	if (up->iotype !=  UPIO_MEM32) {
> > +		up->uartclk  = 14745600;
> > +		up->mapbase = 0xdffe0200;
>
>    What does the uartclk, mapbase fixups in the CONFIG_EARLY_PRINTK=n case ?
This is setup in the PCI driver patch #3 in the series

> > +		set_fixmap_nocache(FIX_EARLYCON_MEM_BASE,
> > +				up->mapbase&  PAGE_MASK);
> > +		up->membase =
> > +			(void __iomem *)__fix_to_virt(FIX_EARLYCON_MEM_BASE);
> > +		up->membase += up->mapbase&  ~PAGE_MASK;
> > +		up->iotype   = UPIO_MEM32;
> > +		up->regshift = 2;
> > +	}
> > +#endif
> > +	up->iobase = 0;
> > +	up->serial_in = ce4100_mem_serial_in;
> > +	up->serial_out = ce4100_mem_serial_out;
> > +
> > +	*capabilites |= (1<<  12);
> > +}
>
> Thanks,
>
> 	tglx

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/