1 files changed, 27 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/arm926ejs/mb86r0x/clock.c b/roms/u-boot/arch/arm/cpu/arm926ejs/mb86r0x/clock.c
new file mode 100644
index 00000000..1f6f66eb
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm926ejs/mb86r0x/clock.c
@@ -0,0 +1,27 @@
+/*
+ * (C) Copyright 2010
+ * Matthias Weisser <weisserm@arcor.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+
+/*
+ * Get the peripheral bus frequency depending on pll pin settings
+ */
+ulong get_bus_freq(ulong dummy)
+{
+	struct mb86r0x_crg * crg = (struct mb86r0x_crg *)
+					MB86R0x_CRG_BASE;
+	uint32_t pllmode;
+
+	pllmode = readl(&crg->crpr) & MB86R0x_CRG_CRPR_PLLMODE;
+
+	if (pllmode == MB86R0x_CRG_CRPR_PLLMODE_X20)
+		return 40000000;
+
+	return 41164767;
+}