sh: cache: Change cache API to defines as U-Boot

A chache API of SH is developped by reference in linux kernel.
And API was the same as the linux kernel.
This patch change cache API to defines as U-Boot.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

arch/sh/cpu/sh4/cache.c

@@ -91,7 +91,7 @@ int cache_control(unsigned int cmd)
 	return 0;
 }
 
-void dcache_wback_range(u32 start, u32 end)
+void flush_dcache_range(unsigned long start, unsigned long end)
 {
 	u32 v;
 
@@ -102,7 +102,7 @@ void dcache_wback_range(u32 start, u32 end)
 	}
 }
 
-void dcache_invalid_range(u32 start, u32 end)
+void invalidate_dcache_range(unsigned long start, unsigned long end)
 {
 	u32 v;
 

arch/sh/cpu/sh4/cpu.c

@@ -41,7 +41,7 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 void flush_cache (unsigned long addr, unsigned long size)
 {
-	dcache_invalid_range( addr , addr + size );
+	invalidate_dcache_range(addr , addr + size);
 }
 
 void icache_enable (void)

arch/sh/include/asm/cache.h

@@ -10,9 +10,6 @@ int cache_control(unsigned int cmd);
 struct __large_struct { unsigned long buf[100]; };
 #define __m(x) (*(struct __large_struct *)(x))
 
-void dcache_wback_range(u32 start, u32 end);
-void dcache_invalid_range(u32 start, u32 end);
-
 #else
 
 /*