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authorfishsoupisgood <github@madingley.org>2019-04-29 01:17:54 +0100
committerfishsoupisgood <github@madingley.org>2019-05-27 03:43:43 +0100
commit3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch)
tree65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/arch/arc/include/asm/cache.h
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Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'roms/u-boot/arch/arc/include/asm/cache.h')
-rw-r--r--roms/u-boot/arch/arc/include/asm/cache.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arc/include/asm/cache.h b/roms/u-boot/arch/arc/include/asm/cache.h
new file mode 100644
index 00000000..16e7568e
--- /dev/null
+++ b/roms/u-boot/arch/arc/include/asm/cache.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARC_CACHE_H
+#define __ASM_ARC_CACHE_H
+
+#include <config.h>
+
+/*
+ * The current upper bound for ARC L1 data cache line sizes is 128 bytes.
+ * We use that value for aligning DMA buffers unless the board config has
+ * specified an alternate cache line size.
+ */
+#ifdef CONFIG_SYS_CACHELINE_SIZE
+#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
+#else
+#define ARCH_DMA_MINALIGN 128
+#endif
+
+#endif /* __ASM_ARC_CACHE_H */