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 87496a52c4ce76b1543a78ae9d685ac644a6613b..7a9b70a3678d5bda8389cf492550ee01f21598b0 100644 (file)
--- 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