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authorSrikant Patnaik2015-01-13 15:08:24 +0530
committerSrikant Patnaik2015-01-13 15:08:24 +0530
commit97327692361306d1e6259021bc425e32832fdb50 (patch)
treefe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/arm/mach-mxs/devices/platform-dma.c
parent2d05a8f663478a44e088d122e0d62109bbc801d0 (diff)
parenta3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff)
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dirty fix to merging
Diffstat (limited to 'arch/arm/mach-mxs/devices/platform-dma.c')
-rw-r--r--arch/arm/mach-mxs/devices/platform-dma.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/platform-dma.c b/arch/arm/mach-mxs/devices/platform-dma.c
new file mode 100644
index 00000000..6a0202b1
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-dma.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License version 2 as published by the
+ * Free Software Foundation.
+ */
+#include <linux/compiler.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/init.h>
+
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+static struct platform_device *__init mxs_add_dma(const char *devid,
+ resource_size_t base)
+{
+ struct resource res[] = {
+ {
+ .start = base,
+ .end = base + SZ_8K - 1,
+ .flags = IORESOURCE_MEM,
+ }
+ };
+
+ return mxs_add_platform_device_dmamask(devid, -1,
+ res, ARRAY_SIZE(res), NULL, 0,
+ DMA_BIT_MASK(32));
+}
+
+static int __init mxs_add_mxs_dma(void)
+{
+ char *apbh = "mxs-dma-apbh";
+ char *apbx = "mxs-dma-apbx";
+
+ if (cpu_is_mx23()) {
+ mxs_add_dma(apbh, MX23_APBH_DMA_BASE_ADDR);
+ mxs_add_dma(apbx, MX23_APBX_DMA_BASE_ADDR);
+ }
+
+ if (cpu_is_mx28()) {
+ mxs_add_dma(apbh, MX28_APBH_DMA_BASE_ADDR);
+ mxs_add_dma(apbx, MX28_APBX_DMA_BASE_ADDR);
+ }
+
+ return 0;
+}
+arch_initcall(mxs_add_mxs_dma);