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-rw-r--r--roms/u-boot/arch/openrisc/include/asm/cache.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/roms/u-boot/arch/openrisc/include/asm/cache.h b/roms/u-boot/arch/openrisc/include/asm/cache.h
new file mode 100644
index 00000000..22d43703
--- /dev/null
+++ b/roms/u-boot/arch/openrisc/include/asm/cache.h
@@ -0,0 +1,22 @@
+/*
+ * (C) Copyright 2011, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_OPENRISC_CACHE_H_
+#define __ASM_OPENRISC_CACHE_H_
+
+/*
+ * Valid L1 data cache line sizes for the OpenRISC architecture are
+ * 16 and 32 bytes.
+ * If the board configuration has not specified one we default to the
+ * largest of these values for alignment of DMA buffers.
+ */
+#ifdef CONFIG_SYS_CACHELINE_SIZE
+#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
+#else
+#define ARCH_DMA_MINALIGN 32
+#endif
+
+#endif /* __ASM_OPENRISC_CACHE_H_ */