correct rk3308 clk_32k_sel mask

ok jmatthew@

diff --git a/sys/dev/fdt/rkclock.c b/sys/dev/fdt/rkclock.c
index 9bec1b3..b56dcfe 100644 (file)
--- a/sys/dev/fdt/rkclock.c
+++ b/sys/dev/fdt/rkclock.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: rkclock.c,v 1.70 2023/03/19 10:18:17 dlg Exp $        */
+/*     $OpenBSD: rkclock.c,v 1.71 2023/03/23 13:15:02 jsg Exp $        */
 /*
  * Copyright (c) 2017, 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -1382,7 +1382,7 @@ rk3308_get_rtc32k(struct rkclock_softc *sc)
        uint32_t reg, mux, pll, div_con;
 
        reg = HREAD4(sc, RK3308_CRU_CLKSEL_CON(2));
-       mux = (reg & 0x30) >> 8;
+       mux = (reg & 0x300) >> 8;
        if (mux != 3) {
                printf("%s: RTC32K not using clk_32k_div\n", __func__);
                return 0;