This patch adds the read_mpidr() function which returns the MPIDR_EL1 register value
Signed-off-by: Sergey Temerkhanov <[email protected]> Signed-off-by: Radha Mohan Chintakuntla <[email protected]> Reviewed-by: Simon Glass <[email protected]> --- Changes in v4: None Changes in v3: None Changes in v2: None arch/arm/include/asm/system.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 868ea54..323c43e 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -71,6 +71,17 @@ static inline void set_sctlr(unsigned int val) asm volatile("isb"); } +static inline unsigned long read_mpidr(void) +{ + unsigned long val; + + asm volatile("mrs %0, mpidr_el1" : "=r" (val)); + + return val; +} + +#define BSP_COREID 0 + void __asm_flush_dcache_all(void); void __asm_invalidate_dcache_all(void); void __asm_flush_dcache_range(u64 start, u64 end); -- 2.2.0 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
