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Blackfin: unify cache handling code

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger 16 年之前
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50f0d21191
共有 2 个文件被更改,包括 35 次插入35 次删除
  1. 0 35
      cpu/blackfin/cpu.c
  2. 35 0
      lib_blackfin/cache.c

+ 0 - 35
cpu/blackfin/cpu.c

@@ -14,46 +14,11 @@
 #include <asm/blackfin.h>
 #include <asm/cplb.h>
 #include <asm/mach-common/bits/core.h>
-#include <asm/mach-common/bits/mpu.h>
 #include <asm/mach-common/bits/trace.h>
 
 #include "cpu.h"
 #include "serial.h"
 
-void icache_enable(void)
-{
-	bfin_write_IMEM_CONTROL(bfin_read_IMEM_CONTROL() | (IMC | ENICPLB));
-	SSYNC();
-}
-
-void icache_disable(void)
-{
-	bfin_write_IMEM_CONTROL(bfin_read_IMEM_CONTROL() & ~(IMC | ENICPLB));
-	SSYNC();
-}
-
-int icache_status(void)
-{
-	return bfin_read_IMEM_CONTROL() & ENICPLB;
-}
-
-void dcache_enable(void)
-{
-	bfin_write_DMEM_CONTROL(bfin_read_DMEM_CONTROL() | (ACACHE_BCACHE | ENDCPLB | PORT_PREF0));
-	SSYNC();
-}
-
-void dcache_disable(void)
-{
-	bfin_write_DMEM_CONTROL(bfin_read_DMEM_CONTROL() & ~(ACACHE_BCACHE | ENDCPLB | PORT_PREF0));
-	SSYNC();
-}
-
-int dcache_status(void)
-{
-	return bfin_read_DMEM_CONTROL() & ENDCPLB;
-}
-
 __attribute__ ((__noreturn__))
 void cpu_init_f(ulong bootflag, ulong loaded_from_ldr)
 {

+ 35 - 0
lib_blackfin/cache.c

@@ -11,6 +11,7 @@
 
 #include <common.h>
 #include <asm/blackfin.h>
+#include <asm/mach-common/bits/mpu.h>
 
 void flush_cache(unsigned long addr, unsigned long size)
 {
@@ -24,3 +25,37 @@ void flush_cache(unsigned long addr, unsigned long size)
 	if (dcache_status())
 		blackfin_dcache_flush_range((void *)addr, (void *)(addr + size));
 }
+
+void icache_enable(void)
+{
+	bfin_write_IMEM_CONTROL(IMC | ENICPLB);
+	SSYNC();
+}
+
+void icache_disable(void)
+{
+	bfin_write_IMEM_CONTROL(0);
+	SSYNC();
+}
+
+int icache_status(void)
+{
+	return bfin_read_IMEM_CONTROL() & ENICPLB;
+}
+
+void dcache_enable(void)
+{
+	bfin_write_DMEM_CONTROL(ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
+	SSYNC();
+}
+
+void dcache_disable(void)
+{
+	bfin_write_DMEM_CONTROL(0);
+	SSYNC();
+}
+
+int dcache_status(void)
+{
+	return bfin_read_DMEM_CONTROL() & ENDCPLB;
+}