diff --git a/arch/cris/arch-v32/kernel/cache.c b/arch/cris/arch-v32/kernel/cache.c
new file mode 100644
index 0000000000000000000000000000000000000000..80da7b88a72b5851e56a9337c9b36c200b9d5f5e
--- /dev/null
+++ b/arch/cris/arch-v32/kernel/cache.c
@@ -0,0 +1,33 @@
+#include <linux/module.h>
+#include <asm/io.h>
+#include <asm/arch/cache.h>
+#include <asm/arch/hwregs/dma.h>
+
+/* This file is used to workaround a cache bug, Guinness TR 106. */
+
+inline void flush_dma_descr(struct dma_descr_data *descr, int flush_buf)
+{
+	/* Flush descriptor to make sure we get correct in_eop and after. */
+	asm volatile ("ftagd [%0]" :: "r" (descr));
+	/* Flush buffer pointed out by descriptor. */
+	if (flush_buf)
+		cris_flush_cache_range(phys_to_virt((unsigned)descr->buf),
+				(unsigned)(descr->after - descr->buf));
+}
+EXPORT_SYMBOL(flush_dma_descr);
+
+void flush_dma_list(struct dma_descr_data *descr)
+{
+	while (1) {
+		flush_dma_descr(descr, 1);
+		if (descr->eol)
+			break;
+		descr = phys_to_virt((unsigned)descr->next);
+	}
+}
+EXPORT_SYMBOL(flush_dma_list);
+
+/* From cacheflush.S */
+EXPORT_SYMBOL(cris_flush_cache);
+/* From cacheflush.S */
+EXPORT_SYMBOL(cris_flush_cache_range);
diff --git a/arch/cris/arch-v32/kernel/cacheflush.S b/arch/cris/arch-v32/kernel/cacheflush.S
new file mode 100644
index 0000000000000000000000000000000000000000..956e8fb82f01e695eff3ec0cfcd46545eaba523c
--- /dev/null
+++ b/arch/cris/arch-v32/kernel/cacheflush.S
@@ -0,0 +1,94 @@
+	.global cris_flush_cache_range
+cris_flush_cache_range:
+	move.d 1024, $r12
+	cmp.d $r11, $r12
+	bhi cris_flush_1KB
+	nop
+	add.d $r10, $r11
+	ftagd [$r10]
+cris_flush_last:
+	addq 32, $r10
+	cmp.d $r11, $r10
+	blt cris_flush_last
+	ftagd [$r10]
+	ret
+	nop
+cris_flush_1KB:
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ba cris_flush_cache_range
+	sub.d $r12, $r11
+
+	.global cris_flush_cache
+cris_flush_cache:
+	moveq 0, $r10
+cris_flush_line:
+	move.d 16*1024, $r11
+	addq 16, $r10
+	cmp.d $r10, $r11
+	blt cris_flush_line
+	fidxd [$r10]
+	ret
+	nop