diff --git a/arch/powerpc/cpu/mpc8xx/speed.c b/arch/powerpc/cpu/mpc8xx/speed.c
index 8d43eff..fa8f87c 100644
--- a/arch/powerpc/cpu/mpc8xx/speed.c
+++ b/arch/powerpc/cpu/mpc8xx/speed.c
@@ -12,27 +12,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-void get_brgclk(uint sccr)
-{
-	uint divider = 0;
-
-	switch ((sccr & SCCR_DFBRG11) >> 11) {
-	case 0:
-		divider = 1;
-		break;
-	case 1:
-		divider = 4;
-		break;
-	case 2:
-		divider = 16;
-		break;
-	case 3:
-		divider = 64;
-		break;
-	}
-	gd->arch.brg_clk = gd->cpu_clk / divider;
-}
-
 /*
  * get_clocks() fills in gd->cpu_clock depending on CONFIG_8xx_GCLK_FREQ
  */
@@ -41,6 +20,8 @@ int get_clocks(void)
 	uint immr = get_immr(0);	/* Return full IMMR contents */
 	immap_t __iomem *immap = (immap_t __iomem *)(immr & 0xFFFF0000);
 	uint sccr = in_be32(&immap->im_clkrst.car_sccr);
+	uint divider = 1 << (((sccr & SCCR_DFBRG11) >> 11) * 2);
+
 	/*
 	 * If for some reason measuring the gclk frequency won't
 	 * work, we return the hardwired value.
@@ -57,7 +38,7 @@ int get_clocks(void)
 		gd->bus_clk = gd->cpu_clk / 2;
 	}
 
-	get_brgclk(sccr);
+	gd->arch.brg_clk = gd->cpu_clk / divider;
 
 	return 0;
 }