usb-slof: forth support routines for C

Code inherited from libusb code written by former SLOF team

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Acked-by: Thomas Huth <thuth@linux.vnet.ibm.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/include/helpers.h b/include/helpers.h
new file mode 100644
index 0000000..60dbda2
--- /dev/null
+++ b/include/helpers.h
@@ -0,0 +1,34 @@
+/******************************************************************************
+ * Copyright (c) 2007, 2012, 2013 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+/*
+ * USB SLOF Prototypes
+ */
+
+#ifndef _USB_SLOF_H
+#define _USB_SLOF_H
+
+#include <stdint.h>
+
+extern uint32_t SLOF_GetTimer(void);
+extern void SLOF_msleep(uint32_t time);
+extern void *SLOF_dma_alloc(long size);
+extern void SLOF_dma_free(void *virt, long size);
+extern long SLOF_dma_map_in(void *virt, long size, int cacheable);
+extern void SLOF_dma_map_out(long phys, void *virt, long size);
+
+static inline void barrier(void)
+{
+	asm volatile("" : : : "memory");
+}
+#define cpu_relax() barrier()
+
+#endif