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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/sh/include/asm/cache.h
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Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'roms/u-boot/arch/sh/include/asm/cache.h')
-rw-r--r--roms/u-boot/arch/sh/include/asm/cache.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/roms/u-boot/arch/sh/include/asm/cache.h b/roms/u-boot/arch/sh/include/asm/cache.h
new file mode 100644
index 00000000..0698a377
--- /dev/null
+++ b/roms/u-boot/arch/sh/include/asm/cache.h
@@ -0,0 +1,31 @@
+#ifndef __ASM_SH_CACHE_H
+#define __ASM_SH_CACHE_H
+
+#if defined(CONFIG_SH4)
+
+int cache_control(unsigned int cmd);
+
+#define L1_CACHE_BYTES 32
+
+struct __large_struct { unsigned long buf[100]; };
+#define __m(x) (*(struct __large_struct *)(x))
+
+#else
+
+/*
+ * 32-bytes is the largest L1 data cache line size for SH the architecture. So
+ * it is a safe default for DMA alignment.
+ */
+#define ARCH_DMA_MINALIGN 32
+
+#endif /* CONFIG_SH4 */
+
+/*
+ * Use the L1 data cache line size value for the minimum DMA buffer alignment
+ * on SH.
+ */
+#ifndef ARCH_DMA_MINALIGN
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+#endif
+
+#endif /* __ASM_SH_CACHE_H */