Make board IPE337 revision 2 selectable for .config

A new menu "Board options" is introduced, where one can select if the board
is a rev.2 (= 40Mhz)

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

arch/blackfin/Kconfig

@@ -27,6 +27,16 @@ config MACH_IPE337
 
 endchoice
 
+menu "Select your board options"
+
+config MACH_IPE337_V2
+	bool "PII ipe337 revision 2 (40MHz)" if MACH_IPE337
+	default y
+	help
+	  Say Y here if you are using the second revision of the PII IPE337 board (running at 40Mhz)
+
+endmenu
+
 choice
 	prompt "Boot Mode"
 	default BFIN_BOOT_BYPASS

arch/blackfin/configs/ipe337_defconfig

@@ -8,6 +8,7 @@ CONFIG_BF561=y
 CONFIG_BOARDINFO="PII IPE337"
 CONFIG_ARCH_TEXT_BASE=0x00000000
 CONFIG_MACH_IPE337=y
+CONFIG_MACH_IPE337_V2=y
 CONFIG_GREGORIAN_CALENDER=y
 CONFIG_HAS_KALLSYMS=y
 CONFIG_HAS_MODULES=y

include/configs/ipe337.h

@@ -1,4 +1,7 @@
 
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
 /*
  * Board Layout
  */
@@ -11,7 +14,12 @@
  */
 
 /* CONFIG_CLKIN_HZ is any value in Hz                            */
+#ifdef CONFIG_MACH_IPE337_V2
 #define CONFIG_CLKIN_HZ          40000000
+#else
+#define CONFIG_CLKIN_HZ          25000000
+#endif
+
 /* CONFIG_CLKIN_HALF controls what is passed to PLL 0=CLKIN      */
 /*                                                  1=CLKIN/2    */
 #define CONFIG_CLKIN_HALF               0
@@ -40,3 +48,4 @@
 #define CONFIG_MEM_ADD_WDTH              9           /* 8, 9, 10, 11    */
 #define CONFIG_MEM_SIZE                 64           /* 128, 64, 32, 16 */
 
+#endif	/* __CONFIG_H */