X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Favr32%2Fcpu%2Fcache.c;fp=qemu%2Froms%2Fu-boot%2Farch%2Favr32%2Fcpu%2Fcache.c;h=ab0374e587b4ad478fc97d5ace0f426ad26c7745;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/arch/avr32/cpu/cache.c b/qemu/roms/u-boot/arch/avr32/cpu/cache.c
new file mode 100644
index 000000000..ab0374e58
--- /dev/null
+++ b/qemu/roms/u-boot/arch/avr32/cpu/cache.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+
+#include <asm/arch/cacheflush.h>
+
+void dcache_clean_range(volatile void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = CONFIG_SYS_DCACHE_LINESZ;
+
+	/* You asked for it, you got it */
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		dcache_clean_line((void *)v);
+
+	sync_write_buffer();
+}
+
+void dcache_invalidate_range(volatile void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = CONFIG_SYS_DCACHE_LINESZ;
+
+	/* You asked for it, you got it */
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		dcache_invalidate_line((void *)v);
+}
+
+void dcache_flush_range(volatile void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = CONFIG_SYS_DCACHE_LINESZ;
+
+	/* You asked for it, you got it */
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		dcache_flush_line((void *)v);
+
+	sync_write_buffer();
+}
+
+void icache_invalidate_range(volatile void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = CONFIG_SYS_ICACHE_LINESZ;
+
+	/* You asked for it, you got it */
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		icache_invalidate_line((void *)v);
+}
+
+/*
+ * This is called after loading something into memory.  We need to
+ * make sure that everything that was loaded is actually written to
+ * RAM, and that the icache will look for it. Cleaning the dcache and
+ * invalidating the icache will do the trick.
+ */
+void  flush_cache (unsigned long start_addr, unsigned long size)
+{
+	dcache_clean_range((void *)start_addr, size);
+	icache_invalidate_range((void *)start_addr, size);
+}