On Mon, Nov 28, 2011 at 11:59 PM, Ira W. Snyder <i...@ovro.caltech.edu> wrote: > On Mon, Nov 28, 2011 at 11:22:01PM +0100, Wojciech Zabolotny wrote: [...] >> It seems that the U-Boot somehow misconfigures the SD controller. >> The first part of U-Boot is loading correctly and the initial messages >> are displayed, >> but when it tries to continue downloading, it displays the "Data Read >> Failed in PIO Mode." >> and hangs. >> I will appreciate any further pointers... > > I ran into this issue on the P2020COME board recently. I think the > include/configs/P1_P2_RDB.h file isn't correct for P2020. > > Try removing the 3 lines: > #ifdef CONFIG_P2020 > #define CONFIG_SYS_FSL_ESDHC_USE_PIO /* P2020 eSDHC DMA is not functional */ > #endif > > And add this line in their place: > #define CONFIG_SYS_FSL_ESDHC_BROKEN_TIMEOUT > > Let me know if that helps. PIO mode was broken on my P2020, DMA mode > worked. > > Ira
Thanks a lot! It really works. Now I have working U-Boot and can debug my DDR. -- Wojtek _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
