+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2011
* Ilya Yanok, EmCraft Systems
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
+#include <cpu_func.h>
#include <linux/types.h>
#include <common.h>
-#ifndef CONFIG_SYS_DCACHE_OFF
-
-#ifndef CONFIG_SYS_CACHELINE_SIZE
-#define CONFIG_SYS_CACHELINE_SIZE 32
-#endif
-
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
void invalidate_dcache_all(void)
{
asm volatile("mcr p15, 0, %0, c7, c6, 0\n" : : "r"(0));
);
}
-static int check_cache_range(unsigned long start, unsigned long stop)
-{
- int ok = 1;
-
- if (start & (CONFIG_SYS_CACHELINE_SIZE - 1))
- ok = 0;
-
- if (stop & (CONFIG_SYS_CACHELINE_SIZE - 1))
- ok = 0;
-
- if (!ok)
- debug("CACHE: Misaligned operation at range [%08lx, %08lx]\n",
- start, stop);
-
- return ok;
-}
-
void invalidate_dcache_range(unsigned long start, unsigned long stop)
{
if (!check_cache_range(start, stop))
asm volatile("mcr p15, 0, %0, c7, c10, 4\n" : : "r"(0));
}
-#else /* #ifndef CONFIG_SYS_DCACHE_OFF */
+#else /* #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
void invalidate_dcache_all(void)
{
}
void flush_dcache_all(void)
{
}
-#endif /* #ifndef CONFIG_SYS_DCACHE_OFF */
+#endif /* #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
/*
* Stub implementations for l2 cache operations
__weak void l2_cache_disable(void) {}
-#if defined CONFIG_SYS_THUMB_BUILD
+#if CONFIG_IS_ENABLED(SYS_THUMB_BUILD)
__weak void invalidate_l2_cache(void) {}
#endif
+
+#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)
+/* Invalidate entire I-cache and branch predictor array */
+void invalidate_icache_all(void)
+{
+ unsigned long i = 0;
+
+ asm ("mcr p15, 0, %0, c7, c5, 0" : : "r" (i));
+}
+#else
+void invalidate_icache_all(void) {}
+#endif
+
+void enable_caches(void)
+{
+#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF)
+ icache_enable();
+#endif
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
+ dcache_enable();
+#endif
+}
+