[U-Boot] [PATCH v5] ppc4xx: Add GDsys CompactCenter board support.
Stefan Roese
sr at denx.de
Tue Jul 28 06:56:33 CEST 2009
Hi Wolfgang,
On Monday 27 July 2009 23:06:50 Wolfgang Denk wrote:
> > + mtdcr(uic3sr, 0xffffffff); /* clear all */
> > + mtdcr(uic3er, 0x00000000); /* disable all */
> > + mtdcr(uic3cr, 0x00000000); /* all non-critical */
> > + mtdcr(uic3pr, 0xffffffff); /* per ref-board manual */
> > + mtdcr(uic3tr, 0x00000000); /* per ref-board manual */
> > + mtdcr(uic3vr, 0x00000000); /* int31 highest, base=0x000 */
> > + mtdcr(uic3sr, 0xffffffff); /* clear all */
>
> All these lower case #defines in "include/asm-ppc/ppc4xx-uic.h"
> should be cleaned up.
>
> ..
>
> > +void pci_target_init(struct pci_controller *hose)
> > +{
> > + /*
> > + * Disable everything
> > + */
> > + out_le32((void *)PCIX0_PIM0SA, 0); /* disable */
> > + out_le32((void *)PCIX0_PIM1SA, 0); /* disable */
> > + out_le32((void *)PCIX0_PIM2SA, 0); /* disable */
> > + out_le32((void *)PCIX0_EROMBA, 0); /* disable expansion rom */
> > +
> > + /*
> > + * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440
> > + * strapping options to not support sizes such as 128/256 MB.
> > + */
> > + out_le32((void *)PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE);
> > + out_le32((void *)PCIX0_PIM0LAH, 0);
> > + out_le32((void *)PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1);
> > + out_le32((void *)PCIX0_BAR0, 0);
>
> And we should proper C structs in "include/ppc440.h" so we can get
> rid of all these nasty casts.
>
>
> I don't intend to block this patch at this stage, but can you please
> put such cleanup on your list for the next release? Thanks.
OK, I'll put it on my list. The lower-case stuff shouldn't be that hard, but
the C struct change is quite intrusive and I can't really promise that I can
finish such a cleanup quickly. But I'll try.
Best regards,
Stefan
=====================================================================
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de
=====================================================================
More information about the U-Boot
mailing list