configs: th1520_lpi4a: Add UART clock frequency
The BROM of TH1520 always initializes UART0's parent clock and
configures the baudrate to 115200. Describe the clock frequency to make
UART function correctly in SPL without introducing CCF.
Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/include/configs/th1520_lpi4a.h b/include/configs/th1520_lpi4a.h
index 87496a5..7a9b70a 100644
--- a/include/configs/th1520_lpi4a.h
+++ b/include/configs/th1520_lpi4a.h
@@ -9,6 +9,7 @@
#include <linux/sizes.h>
+#define CFG_SYS_NS16550_CLK 100000000
#define CFG_SYS_SDRAM_BASE 0x00000000
#define UART_BASE 0xffe7014000