[U-Boot] [PATCH 05/19] s3c44b0: extract cache from cpu.c

[Jean-Christophe PLAGNIOL-VILLARD]

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 cpu/s3c44b0/Makefile           |    2 +-
 cpu/s3c44b0/{cpu.c => cache.c} |   56 +-----------------------------------
 cpu/s3c44b0/cpu.c              |   62 ----------------------------------------
 3 files changed, 2 insertions(+), 118 deletions(-)
 copy cpu/s3c44b0/{cpu.c => cache.c} (71%)

diff --git a/cpu/s3c44b0/Makefile b/cpu/s3c44b0/Makefile
index fd696f7..ae909a6 100644
--- a/cpu/s3c44b0/Makefile
+++ b/cpu/s3c44b0/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o
-COBJS	= interrupts.o cpu.o
+COBJS	= cache.o cpu.o interrupts.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/s3c44b0/cpu.c b/cpu/s3c44b0/cache.c
similarity index 71%
copy from cpu/s3c44b0/cpu.c
copy to cpu/s3c44b0/cache.c
index 752191d..bc10171 100644
--- a/cpu/s3c44b0/cpu.c
+++ b/cpu/s3c44b0/cache.c
@@ -24,10 +24,6 @@
  * MA 02111-1307 USA
  */
 
-/*
- * S3C44B0 CPU specific code
- */
-
 #include <common.h>
 #include <command.h>
 #include <asm/hardware.h>
@@ -42,57 +38,6 @@ static void s3c44b0_flush_cache(void)
 	}
 }
 
-
-int cpu_init (void)
-{
-	icache_enable();
-
-	return 0;
-}
-
-int cleanup_before_linux (void)
-{
-	/*
-		cache memory should be enabled before calling
-		Linux to make the kernel uncompression faster
-	*/
-	icache_enable();
-
-	disable_interrupts ();
-
-	return 0;
-}
-
-void reset_cpu (ulong addr)
-{
-	/*
-		reset the cpu using watchdog
-	*/
-
-	/* Disable the watchdog.*/
-	WTCON&=~(1<<5);
-
-	/* set the timeout value to a short time... */
-	WTCNT = 0x1;
-
-	/* Enable the watchdog. */
-	WTCON|=1;
-	WTCON|=(1<<5);
-
-	while(1) {
-		/*NOP*/
-	}
-}
-
-int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
-	disable_interrupts ();
-	reset_cpu (0);
-
-	/*NOTREACHED*/
-	return (0);
-}
-
 void icache_enable (void)
 {
 	ulong reg;
@@ -143,3 +88,4 @@ int dcache_status (void)
 {
 	return dcache_status();
 }
+
diff --git a/cpu/s3c44b0/cpu.c b/cpu/s3c44b0/cpu.c
index 752191d..e4cdb82 100644
--- a/cpu/s3c44b0/cpu.c
+++ b/cpu/s3c44b0/cpu.c
@@ -32,17 +32,6 @@
 #include <command.h>
 #include <asm/hardware.h>
 
-static void s3c44b0_flush_cache(void)
-{
-	volatile int i;
-	/* flush cycle */
-	for(i=0x10002000;i<0x10004800;i+=16)
-	{
-		*((int *)i)=0x0;
-	}
-}
-
-
 int cpu_init (void)
 {
 	icache_enable();
@@ -92,54 +81,3 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	/*NOTREACHED*/
 	return (0);
 }
-
-void icache_enable (void)
-{
-	ulong reg;
-
-	s3c44b0_flush_cache();
-
-	/*
-		Init cache
-		Non-cacheable area (everything outside RAM)
-		0x0000:0000 - 0x0C00:0000
-	 */
-	NCACHBE0 = 0xC0000000;
-	NCACHBE1 = 0x00000000;
-
-	/*
-		Enable chache
-	*/
-	reg = SYSCFG;
-	reg |= 0x00000006; /* 8kB */
-	SYSCFG = reg;
-}
-
-void icache_disable (void)
-{
-	ulong reg;
-
-	reg = SYSCFG;
-	reg &= ~0x00000006; /* 8kB */
-	SYSCFG = reg;
-}
-
-int icache_status (void)
-{
-	return 0;
-}
-
-void dcache_enable (void)
-{
-	icache_enable();
-}
-
-void dcache_disable (void)
-{
-	icache_disable();
-}
-
-int dcache_status (void)
-{
-	return dcache_status();
-}
-- 
1.6.2.1