Fix a get_board_sys_clk() use-before-def warning.

Signed-off-by: Jon Loeliger <jdl@jdl.com>

cpu/mpc86xx/speed.c

@@ -30,6 +30,70 @@
 #include <asm/processor.h>
 
 
+/*
+ * get_board_sys_clk
+ *	Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
+ */
+
+unsigned long get_board_sys_clk(ulong dummy)
+{
+	u8 i, go_bit, rd_clks;
+	ulong val = 0;
+
+	go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
+	go_bit &= 0x01;
+
+	rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
+	rd_clks &= 0x1C;
+
+	/*
+	 * Only if both go bit and the SCLK bit in VCFGEN0 are set
+	 * should we be using the AUX register. Remember, we also set the
+	 * GO bit to boot from the alternate bank on the on-board flash
+	 */
+
+	if (go_bit) {
+		if (rd_clks == 0x1c)
+			i = in8(PIXIS_BASE + PIXIS_AUX);
+		else
+			i = in8(PIXIS_BASE + PIXIS_SPD);
+	} else {
+		i = in8(PIXIS_BASE + PIXIS_SPD);
+	}
+
+	i &= 0x07;
+
+	switch (i) {
+	case 0:
+		val = 33000000;
+		break;
+	case 1:
+		val = 40000000;
+		break;
+	case 2:
+		val = 50000000;
+		break;
+	case 3:
+		val = 66000000;
+		break;
+	case 4:
+		val = 83000000;
+		break;
+	case 5:
+		val = 100000000;
+		break;
+	case 6:
+		val = 134000000;
+		break;
+	case 7:
+		val = 166000000;
+		break;
+	}
+
+	return val;
+}
+
+
 void get_sys_info (sys_info_t *sysInfo)
 {
 	volatile immap_t    *immap = (immap_t *)CFG_IMMR;
@@ -125,67 +189,3 @@ ulong get_bus_freq(ulong dummy)
 
 	return val;
 }
-
-
-/*
- * get_board_sys_clk
- *	Reads the FPGA on board for CONFIG_SYS_CLK_FREQ
- */
-
-unsigned long get_board_sys_clk(ulong dummy)
-{
-	u8 i, go_bit, rd_clks;
-	ulong val;
-
-	go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
-	go_bit &= 0x01;
-
-	rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
-	rd_clks &= 0x1C;
-
-	/*
-	 * Only if both go bit and the SCLK bit in VCFGEN0 are set
-	 * should we be using the AUX register. Remember, we also set the
-	 * GO bit to boot from the alternate bank on the on-board flash
-	 */
-
-	if (go_bit) {
-		if (rd_clks == 0x1c)
-			i = in8(PIXIS_BASE + PIXIS_AUX);
-		else
-			i = in8(PIXIS_BASE + PIXIS_SPD);
-	} else {
-		i = in8(PIXIS_BASE + PIXIS_SPD);
-	}
-
-	i &= 0x07;
-
-	switch (i) {
-	case 0:
-		val = 33000000;
-		break;
-	case 1:
-		val = 40000000;
-		break;
-	case 2:
-		val = 50000000;
-		break;
-	case 3:
-		val = 66000000;
-		break;
-	case 4:
-		val = 83000000;
-		break;
-	case 5:
-		val = 100000000;
-		break;
-	case 6:
-		val = 134000000;
-		break;
-	case 7:
-		val = 166000000;
-		break;
-	}
-
-	return val;
-}