On 09/06/2017 11:21 AM, Eugeniy Paltsev wrote: > DW ethernet controller on AXS10x hangs sometimes after SW reset, so > add temporary quirk to reset DW ethernet controller IP core. > This quirk can be removed after axs10x reset driver > (see http://patchwork.ozlabs.org/patch/800273/) > or simple reset driver > (see https://patchwork.kernel.org/patch/9903375/) > will be available in upstream. > > Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev at synopsys.com> Added to for-next ! Thx, > --- > arch/arc/plat-axs10x/axs10x.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/arc/plat-axs10x/axs10x.c b/arch/arc/plat-axs10x/axs10x.c > index f1ac679..cf14ebc 100644 > --- a/arch/arc/plat-axs10x/axs10x.c > +++ b/arch/arc/plat-axs10x/axs10x.c > @@ -111,6 +111,13 @@ static void __init axs10x_early_init(void) > > axs10x_enable_gpio_intc_wire(); > > + /* > + * Reset ethernet IP core. > + * TODO: get rid of this quirk after axs10x reset driver (or simple > + * reset driver) will be available in upstream. > + */ > + iowrite32((1 << 5), (void __iomem *) CREG_MB_SW_RESET); > + > scnprintf(mb, 32, "MainBoard v%d", mb_rev); > axs10x_print_board_ver(CREG_MB_VER, mb); > } >
