sparc: Move SYS_SPARC_NWINDOWS to Kconfig
Signed-off-by: Francois Retief <fgretief@spaceteq.co.za>
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 04dc08f..1d1347b 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -12,6 +12,15 @@
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
diff --git a/arch/sparc/cpu/leon3/start.S b/arch/sparc/cpu/leon3/start.S
index 2031149..1566010 100644
--- a/arch/sparc/cpu/leon3/start.S
+++ b/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; \