From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 arch/arm/mach-footbridge/dma.c | 57 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 arch/arm/mach-footbridge/dma.c

(limited to 'arch/arm/mach-footbridge/dma.c')

diff --git a/arch/arm/mach-footbridge/dma.c b/arch/arm/mach-footbridge/dma.c
new file mode 100644
index 00000000..e2e0df8b
--- /dev/null
+++ b/arch/arm/mach-footbridge/dma.c
@@ -0,0 +1,57 @@
+/*
+ *  linux/arch/arm/kernel/dma-ebsa285.c
+ *
+ *  Copyright (C) 1998 Phil Blundell
+ *
+ * DMA functions specific to EBSA-285/CATS architectures
+ *
+ *  Changelog:
+ *   09-Nov-1998 RMK	Split out ISA DMA functions to dma-isa.c
+ *   17-Mar-1999 RMK	Allow any EBSA285-like architecture to have
+ *			ISA DMA controllers.
+ */
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/spinlock.h>
+
+#include <asm/dma.h>
+#include <asm/scatterlist.h>
+
+#include <asm/mach/dma.h>
+#include <asm/hardware/dec21285.h>
+
+#if 0
+static int fb_dma_request(unsigned int chan, dma_t *dma)
+{
+	return -EINVAL;
+}
+
+static void fb_dma_enable(unsigned int chan, dma_t *dma)
+{
+}
+
+static void fb_dma_disable(unsigned int chan, dma_t *dma)
+{
+}
+
+static struct dma_ops fb_dma_ops = {
+	.type		= "fb",
+	.request	= fb_dma_request,
+	.enable		= fb_dma_enable,
+	.disable	= fb_dma_disable,
+};
+#endif
+
+static int __init fb_dma_init(void)
+{
+#if 0
+	dma[_DC21285_DMA(0)].d_ops = &fb_dma_ops;
+	dma[_DC21285_DMA(1)].d_ops = &fb_dma_ops;
+#endif
+#ifdef CONFIG_ISA_DMA
+	if (footbridge_cfn_mode())
+		isa_init_dma();
+#endif
+	return 0;
+}
+core_initcall(fb_dma_init);
-- 
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