diff --git a/arch/powerpc/cpu/mpc83xx/spl_minimal.c b/arch/powerpc/cpu/mpc83xx/spl_minimal.c
index 746f1fe..3315ee0 100644
--- a/arch/powerpc/cpu/mpc83xx/spl_minimal.c
+++ b/arch/powerpc/cpu/mpc83xx/spl_minimal.c
@@ -89,3 +89,11 @@
 	while (*str)
 		putc(*str++);
 }
+
+ulong get_bus_freq(ulong dummy)
+{
+	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+	u8 spmf = (im->clk.spmr & SPMR_SPMF) >> SPMR_SPMF_SHIFT;
+
+	return CONFIG_83XX_CLKIN * spmf;
+}