diff options
Diffstat (limited to 'src/soc/sifive/fu540/uart.c')
-rw-r--r-- | src/soc/sifive/fu540/uart.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/sifive/fu540/uart.c b/src/soc/sifive/fu540/uart.c index 940dc97856..c53f42d9d8 100644 --- a/src/soc/sifive/fu540/uart.c +++ b/src/soc/sifive/fu540/uart.c @@ -23,3 +23,11 @@ uintptr_t uart_platform_base(int idx) else return 0; } + +unsigned int uart_platform_refclk(void) +{ + /* + * The SiFive UART uses tlclk, which is coreclk/2 as input + */ + return 33330000 / 2; +} |