[PATCH 2/3][PPC32] PCI-X support for Yucca

[Ruslan V. Sushko]

This is updated PCIX patch after Eugene comments. Now the
ppc4xx_uic_ext_irq_cfg and ppc4xx_core_uic_cfg structures are used to
initialize Yucca Interrupt controllers



On Mon, 2005-10-03 at 09:15 -0700, Eugene Surovegin wrote:
> On Mon, Oct 03, 2005 at 12:36:08PM +0400, Ruslan V. Sushko wrote:
> > This patch adds PCIX support for Yucca PPC440SPe board. The patch is
> > implemented for Roland Dreier git tree for Yucca PPC440SPe board.
> > 
> > Signed-off-by: Ruslan V. Sushko <rsushko at ru.mvista.com>
> 
> [snip]
> 
> > +                mtdcr(DCRN_UIC_PR(UIC1), 
> > +                mfdcr(DCRN_UIC_PR(UIC1)) & ~0x00004000); /* Set PCI interrupt
> > +                                                            (EXT IRQ12) plarity
> > +                                                            to Negative */
> 
> Don't mess with UIC registers directly. Take a look how this type of 
> setup is done in other 4xx ports (e.g. Ebony) and use the same 
> approach (hint: ppc4xx_uic_ext_irq_cfg).
> 
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