When U-Boot runs from EL3 system timer is setup based on this macro. Software default freq for silicon is 100MHz but enable opton to rewrite it. Emulation platform is using 4MHz.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
include/configs/xilinx_zynqmp.h | 4 +++- include/configs/xilinx_zynqmp_ep.h | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/include/configs/xilinx_zynqmp.h b/include/configs/xilinx_zynqmp.h index ac68998aeb90..dcd7552bd1ad 100644 --- a/include/configs/xilinx_zynqmp.h +++ b/include/configs/xilinx_zynqmp.h @@ -43,7 +43,9 @@ #define CONFIG_OF_LIBFDT
/* Generic Timer Definitions - setup in EL3. Setup by ATF for other cases */ -#define COUNTER_FREQUENCY 4000000 +#if !defined(COUNTER_FREQUENCY) +# define COUNTER_FREQUENCY 100000000 +#endif
/* Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 0x2000000) diff --git a/include/configs/xilinx_zynqmp_ep.h b/include/configs/xilinx_zynqmp_ep.h index 0204d2c59320..9906c426f50f 100644 --- a/include/configs/xilinx_zynqmp_ep.h +++ b/include/configs/xilinx_zynqmp_ep.h @@ -28,6 +28,8 @@ #define CONFIG_SYS_SDRAM_BASE 0 #define CONFIG_SYS_SDRAM_SIZE 0x40000000
+#define COUNTER_FREQUENCY 4000000 + #include <configs/xilinx_zynqmp.h>
#endif /* __CONFIG_ZYNQMP_EP_H */