arm: clean cache management
unify arm cache management except for non standard cache as ARM7TDMI
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/cpu/arm1176/cpu.c b/cpu/arm1176/cpu.c
index ef78bd9..8aefbe3 100644
--- a/cpu/arm1176/cpu.c
+++ b/cpu/arm1176/cpu.c
@@ -38,15 +38,6 @@
static void cache_flush (void);
-static void cp_delay (void)
-{
- volatile int i;
-
- /* Many OMAP regs need at least 2 nops */
- for (i = 0; i < 100; i++)
- __asm__ __volatile__("nop\n");
-}
-
int cpu_init (void)
{
return 0;
@@ -66,6 +57,7 @@
/* turn off I/D-cache */
icache_disable();
dcache_disable();
+ /* flush I/D-cache */
cache_flush();
return 0;
@@ -95,53 +87,6 @@
return 0;
}
-void icache_enable (void)
-{
- ulong reg;
-
- reg = get_cr (); /* get control reg. */
- cp_delay ();
- set_cr (reg | CR_I);
-}
-
-void icache_disable (void)
-{
- ulong reg;
-
- reg = get_cr ();
- cp_delay ();
- set_cr (reg & ~CR_I);
-}
-
-int icache_status (void)
-{
- return (get_cr () & CR_I) != 0;
-}
-
-/* It makes no sense to use the dcache if the MMU is not enabled */
-void dcache_enable (void)
-{
- ulong reg;
-
- reg = get_cr ();
- cp_delay ();
- set_cr (reg | CR_C);
-}
-
-void dcache_disable (void)
-{
- ulong reg;
-
- reg = get_cr ();
- cp_delay ();
- set_cr (reg & ~CR_C);
-}
-
-int dcache_status (void)
-{
- return (get_cr () & CR_C) != 0;
-}
-
/* flush I/D-cache */
static void cache_flush (void)
{