Am Mittwoch, den 27.09.2017, 14:16 +0200 schrieb Sascha Hauer: > On i.MX6ull (Cortex A7) We have to set the SMP bit before enabling > the > caches, otherwise they won't work. Add a SoC specific lowlevel_init > function to be called by the i.MX6ull boards. This isn't specific to the MX6ULL, but the Cortex-A7, which is used in the whole MX6UL family. So I would prefer if this is called imx6ul_... Also a follow-up commit should switch over the already supported MX6UL/ULL boards to the new init function. Regards, Lucas > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > --- > arch/arm/mach-imx/cpu_init.c | 12 ++++++++++++ > arch/arm/mach-imx/include/mach/generic.h | 1 + > 2 files changed, 13 insertions(+) > > diff --git a/arch/arm/mach-imx/cpu_init.c b/arch/arm/mach- > imx/cpu_init.c > index 2b388cad8c..8f6d4b7902 100644 > --- a/arch/arm/mach-imx/cpu_init.c > +++ b/arch/arm/mach-imx/cpu_init.c > @@ -14,6 +14,7 @@ > > #include <asm/barebox-arm-head.h> > #include <asm/errata.h> > +#include <linux/types.h> > > void imx5_cpu_lowlevel_init(void) > { > @@ -34,6 +35,17 @@ void imx6_cpu_lowlevel_init(void) > enable_arm_errata_845369_war(); > } > > +void imx6ull_cpu_lowlevel_init(void) > +{ > + u32 val; > + > + asm volatile ("mrc p15, 0, %0, c1, c0, 1\n" : "=r"(val)); > + val |= (1 << 6); > + asm volatile("mcr p15, 0, %0, c1, c0, 1" : : "r" (val)); > + > + arm_cpu_lowlevel_init(); > +} > + > void imx7_cpu_lowlevel_init(void) > { > arm_cpu_lowlevel_init(); > diff --git a/arch/arm/mach-imx/include/mach/generic.h > b/arch/arm/mach-imx/include/mach/generic.h > index 73be9ceb55..eb8c7a5b7b 100644 > --- a/arch/arm/mach-imx/include/mach/generic.h > +++ b/arch/arm/mach-imx/include/mach/generic.h > @@ -48,6 +48,7 @@ int imx6_devices_init(void); > > void imx5_cpu_lowlevel_init(void); > void imx6_cpu_lowlevel_init(void); > +void imx6ull_cpu_lowlevel_init(void); > void imx7_cpu_lowlevel_init(void); > void vf610_cpu_lowlevel_init(void); > _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox