These patches are originally created by Ludovic Desroches. For the Sama5d2_ptc_ek board, we need to set nand PIO drive strength. Created macros for drive strength configuration. The drive strength has to be set to medium for the NAND data lines. With a low drive, we can get some data corruption.
Ludovic Desroches (2): gpio: atmel_pio4: add drive strength macros board: atmel: sama5d2_ptc_ek: update pin configuration for NAND arch/arm/mach-at91/include/mach/atmel_pio4.h | 4 ++++ board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c | 16 ++++++++-------- 2 files changed, 12 insertions(+), 8 deletions(-) -- 2.7.4 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
