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-rw-r--r--src/soc/sifive/fu540/uart.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/soc/sifive/fu540/uart.c b/src/soc/sifive/fu540/uart.c
index c53f42d9d8..b563be13b1 100644
--- a/src/soc/sifive/fu540/uart.c
+++ b/src/soc/sifive/fu540/uart.c
@@ -13,8 +13,11 @@
* GNU General Public License for more details.
*/
+#include <stddef.h>
+#include <stdint.h>
#include <console/uart.h>
#include <soc/addressmap.h>
+#include <soc/clock.h>
uintptr_t uart_platform_base(int idx)
{
@@ -29,5 +32,9 @@ unsigned int uart_platform_refclk(void)
/*
* The SiFive UART uses tlclk, which is coreclk/2 as input
*/
- return 33330000 / 2;
+
+ if (ENV_BOOTBLOCK)
+ return 33330000 / 2;
+ else
+ return clock_get_coreclk_khz() * KHz / 2;
}