sparc: Initial ground work for generic board initialization

Initial ground work in preperation for generic board initialization
code for the SPARC architecture.

Signed-off-by: Francois Retief <fgretief@spaceteq.co.za>
diff --git a/arch/sparc/cpu/leon2/cpu_init.c b/arch/sparc/cpu/leon2/cpu_init.c
index 695ee02..581f057 100644
--- a/arch/sparc/cpu/leon2/cpu_init.c
+++ b/arch/sparc/cpu/leon2/cpu_init.c
@@ -1,8 +1,8 @@
 /* Initializes CPU and basic hardware such as memory
  * controllers, IRQ controller and system timer 0.
  *
- * (C) Copyright 2007
- * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
+ * (C) Copyright 2007, 2015
+ * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -18,14 +18,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-/* reset CPU (jump to 0, without reset) */
-void start(void);
-
-struct {
-	gd_t gd_area;
-	bd_t bd;
-} global_data;
-
 /*
  * Breath some life into the CPU...
  *
@@ -66,7 +58,16 @@
 
 void cpu_init_f2(void)
 {
+
+}
+
+int arch_cpu_init(void)
+{
+	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
+	gd->bus_clk = CONFIG_SYS_CLK_FREQ;
+	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
 
+	return 0;
 }
 
 /*