On 11/21/2015 04:34 PM, York Sun wrote: > For 36-bit addressing mode, PCIe virtual memory addresses have been > different from PCI bus addresses. This causes confusion when trying > to access the PCI address manually. Previously it was believed > overlapping PCI(e) controllers' space would leave more room for large > memory. Actually u-boot has been using no more than 512MB for each > controller. Making the bus address same as virtual address simplifies > the address space, and users can access PCI(e) space under u-boot > prompt without calcuating the offset. > > No change for 32-bit mode as the addresses are consistent. > > Signed-off-by: York Sun <york...@freescale.com> > > --- > Tested on P4080DS, P1022DS, T2080QDS. >
Defer this patch until we have a stronger need to access PCIe BARs under u-boot, or something else changes address allocation. York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
