1 files changed, 61 insertions, 0 deletions

diff --git a/include/linux/arm-cci.h b/include/linux/arm-cci.h
new file mode 100644
index 000000000000..79d6edf446d5
--- /dev/null
+++ b/include/linux/arm-cci.h
@@ -0,0 +1,61 @@
+/*
+ * CCI cache coherent interconnect support
+ *
+ * Copyright (C) 2013 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __LINUX_ARM_CCI_H
+#define __LINUX_ARM_CCI_H
+
+#include <linux/errno.h>
+#include <linux/types.h>
+
+struct device_node;
+
+#ifdef CONFIG_ARM_CCI
+extern bool cci_probed(void);
+extern int cci_ace_get_port(struct device_node *dn);
+extern int cci_disable_port_by_cpu(u64 mpidr);
+extern int __cci_control_port_by_device(struct device_node *dn, bool enable);
+extern int __cci_control_port_by_index(u32 port, bool enable);
+#else
+static inline bool cci_probed(void) { return false; }
+static inline int cci_ace_get_port(struct device_node *dn)
+{
+        return -ENODEV;
+}
+static inline int cci_disable_port_by_cpu(u64 mpidr) { return -ENODEV; }
+static inline int __cci_control_port_by_device(struct device_node *dn,
+                                               bool enable)
+{
+        return -ENODEV;
+}
+static inline int __cci_control_port_by_index(u32 port, bool enable)
+{
+        return -ENODEV;
+}
+#endif
+#define cci_disable_port_by_device(dev) \
+        __cci_control_port_by_device(dev, false)
+#define cci_enable_port_by_device(dev) \
+        __cci_control_port_by_device(dev, true)
+#define cci_disable_port_by_index(dev) \
+        __cci_control_port_by_index(dev, false)
+#define cci_enable_port_by_index(dev) \
+        __cci_control_port_by_index(dev, true)
+
+#endif