From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
 arch/cris/arch-v10/lib/dmacopy.c | 42 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 arch/cris/arch-v10/lib/dmacopy.c

(limited to 'arch/cris/arch-v10/lib/dmacopy.c')

diff --git a/arch/cris/arch-v10/lib/dmacopy.c b/arch/cris/arch-v10/lib/dmacopy.c
new file mode 100644
index 00000000..49f5b8ca
--- /dev/null
+++ b/arch/cris/arch-v10/lib/dmacopy.c
@@ -0,0 +1,42 @@
+/*
+ * memcpy for large blocks, using memory-memory DMA channels 6 and 7 in Etrax
+ */
+
+#include <asm/svinto.h>
+#include <asm/io.h>
+
+#define D(x)
+
+void *dma_memcpy(void *pdst,
+		 const void *psrc,
+		 unsigned int pn)
+{
+	static etrax_dma_descr indma, outdma;
+
+	D(printk(KERN_DEBUG "dma_memcpy %d bytes... ", pn));
+
+#if 0
+	*R_GEN_CONFIG = genconfig_shadow =
+		(genconfig_shadow & ~0x3c0000) |
+		IO_STATE(R_GEN_CONFIG, dma6, intdma7) |
+		IO_STATE(R_GEN_CONFIG, dma7, intdma6);
+#endif
+	indma.sw_len = outdma.sw_len = pn;
+	indma.ctrl = d_eol | d_eop;
+	outdma.ctrl = d_eol;
+	indma.buf = psrc;
+	outdma.buf = pdst;
+
+	*R_DMA_CH6_FIRST = &indma;
+	*R_DMA_CH7_FIRST = &outdma;
+	*R_DMA_CH6_CMD = IO_STATE(R_DMA_CH6_CMD, cmd, start);
+	*R_DMA_CH7_CMD = IO_STATE(R_DMA_CH7_CMD, cmd, start);
+
+	while (*R_DMA_CH7_CMD == 1)
+		/* wait for completion */;
+
+	D(printk(KERN_DEBUG "done\n"));
+}
+
+
+
-- 
cgit