sparc: Move SYS_SPARC_NWINDOWS to Kconfig

Signed-off-by: Francois Retief <fgretief@spaceteq.co.za>

arch/sparc/Kconfig

@@ -12,6 +12,15 @@ config LEON3
 	bool
 	select LEON
 
+config SYS_SPARC_NWINDOWS
+	int "Number of SPARC register windows"
+	range 2 32
+	default "8"
+	help
+	  Specify the number of SPARC register windows implemented by this
+	  processor. A SPARC implementation can have from 2 to 32 windows.
+	  If unsure, choose 8.
+
 choice
 	prompt "Board select"
 	optional

arch/sparc/cpu/leon3/start.S

@@ -20,6 +20,11 @@
 #define CONFIG_AMBAPP_IOAREA AMBA_DEFAULT_IOAREA
 #endif
 
+/* Default number of SPARC register windows */
+#ifndef CONFIG_SYS_SPARC_NWINDOWS
+#define CONFIG_SYS_SPARC_NWINDOWS 8
+#endif
+
 /* Entry for traps which jump to a programmer-specified trap handler.  */
 #define TRAPR(H)  \
 	wr	%g0, 0xfe0, %psr; \

include/configs/gr_cpci_ax2000.h

@@ -42,9 +42,6 @@
 /* CPU / AMBA BUS configuration */
 #define CONFIG_SYS_CLK_FREQ	20000000	/* 20MHz */
 
-/* Number of SPARC register windows */
-#define CONFIG_SYS_SPARC_NWINDOWS 8
-
 /*
  * Serial console configuration
  */

include/configs/gr_ep2s60.h

@@ -26,9 +26,6 @@
 /* CPU / AMBA BUS configuration */
 #define CONFIG_SYS_CLK_FREQ	96000000	/* 96MHz */
 
-/* Number of SPARC register windows */
-#define CONFIG_SYS_SPARC_NWINDOWS 8
-
 /* Define this is the GR-2S60-MEZZ mezzanine is available and you
  * want to use the USB and GRETH functionality of the board
  */

include/configs/gr_xc3s_1500.h

@@ -23,9 +23,6 @@
 /* CPU / AMBA BUS configuration */
 #define CONFIG_SYS_CLK_FREQ	40000000	/* 40MHz */
 
-/* Number of SPARC register windows */
-#define CONFIG_SYS_SPARC_NWINDOWS 8
-
 /*
  * Serial console configuration
  */

include/configs/grsim.h

@@ -34,9 +34,6 @@
 /* CPU / AMBA BUS configuration */
 #define CONFIG_SYS_CLK_FREQ	40000000	/* 40MHz */
 
-/* Number of SPARC register windows */
-#define CONFIG_SYS_SPARC_NWINDOWS 8
-
 /*
  * Serial console configuration
  */

include/configs/grsim_leon2.h

@@ -29,9 +29,6 @@
 /* CPU / AMBA BUS configuration */
 #define CONFIG_SYS_CLK_FREQ	40000000	/* 40MHz */
 
-/* Number of SPARC register windows */
-#define CONFIG_SYS_SPARC_NWINDOWS 8
-
 /*
  * Serial console configuration
  */