Hi, On Fri, May 23, 2014 at 03:51:22PM +0800, Chen-Yu Tsai wrote: > sun6i/sun8i have a UART in the RTC block group, which can be used > as an early console. This is most useful on sun8i as UART0 is muxed > with MMC0, which is not available if we boot from MMC. > > Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> > --- > arch/arm/Kconfig.debug | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug > index eab8ecb..9e22708 100644 > --- a/arch/arm/Kconfig.debug > +++ b/arch/arm/Kconfig.debug > @@ -694,6 +694,14 @@ choice > Say Y here if you want kernel low-level debugging support > on Allwinner A1X based platforms on the UART1. > > + config DEBUG_SUNXI_R_UART > + bool "Kernel low-level debugging messages via sunXi R_UART" > + depends on ARCH_SUNXI It should rather depend on MACH_SUN8I. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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