X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Favr32%2Finclude%2Fasm%2Fcache.h;fp=qemu%2Froms%2Fu-boot%2Farch%2Favr32%2Finclude%2Fasm%2Fcache.h;h=486284398e3a8095a4fb8427ebf7f42aa8a40440;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/arch/avr32/include/asm/cache.h b/qemu/roms/u-boot/arch/avr32/include/asm/cache.h
new file mode 100644
index 000000000..486284398
--- /dev/null
+++ b/qemu/roms/u-boot/arch/avr32/include/asm/cache.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __AVR32_CACHE_H__
+#define __AVR32_CACHE_H__
+
+/*
+ * Since the AVR32 architecture has a queryable cacheline size with a maximum
+ * value of 256 we set the DMA buffer alignemnt requirement to this maximum
+ * value.  The board config can override this if it knows that the cacheline
+ * size is a smaller value.  AVR32 boards use the CONFIG_SYS_DCACHE_LINESZ
+ * macro to specify cache line size, so if it is set we use it instead.
+ */
+#ifdef CONFIG_SYS_CACHELINE_SIZE
+#define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
+#elif defined(CONFIG_SYS_DCACHE_LINESZ)
+#define ARCH_DMA_MINALIGN	CONFIG_SYS_DCACHE_LINESZ
+#else
+#define ARCH_DMA_MINALIGN	256
+#endif
+
+#endif /* __AVR32_CACHE_H__ */