xtensa: add support for the xtensa processor architecture [2/2]
The Xtensa processor architecture is a configurable, extensible,
and synthesizable 32-bit RISC processor core provided by Tensilica, inc.
This is the second part of the basic architecture port, adding the
'arch/xtensa' directory and a readme file.
Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/xtensa/include/asm/cache.h b/arch/xtensa/include/asm/cache.h
new file mode 100644
index 0000000..08c534c
--- /dev/null
+++ b/arch/xtensa/include/asm/cache.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2009 Tensilica Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef _XTENSA_CACHE_H
+#define _XTENSA_CACHE_H
+
+#include <asm/arch/core.h>
+
+#define ARCH_DMA_MINALIGN XCHAL_DCACHE_LINESIZE
+
+#ifndef __ASSEMBLY__
+
+void __flush_dcache_all(void);
+void __flush_invalidate_dcache_range(unsigned long addr, unsigned long size);
+void __invalidate_dcache_all(void);
+void __invalidate_dcache_range(unsigned long addr, unsigned long size);
+
+void __invalidate_icache_all(void);
+void __invalidate_icache_range(unsigned long addr, unsigned long size);
+
+#endif
+
+#endif /* _XTENSA_CACHE_H */