1 files changed, 66 insertions, 0 deletions

diff --git a/arch/arm/include/asm/firmware.h b/arch/arm/include/asm/firmware.h
new file mode 100644
index 000000000000..15631300c238
--- /dev/null
+++ b/arch/arm/include/asm/firmware.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics.
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ * Tomasz Figa <t.figa@samsung.com>
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARM_FIRMWARE_H
+#define __ASM_ARM_FIRMWARE_H
+
+#include <linux/bug.h>
+
+/*
+ * struct firmware_ops
+ *
+ * A structure to specify available firmware operations.
+ *
+ * A filled up structure can be registered with register_firmware_ops().
+ */
+struct firmware_ops {
+        /*
+         * Enters CPU idle mode
+         */
+        int (*do_idle)(void);
+        /*
+         * Sets boot address of specified physical CPU
+         */
+        int (*set_cpu_boot_addr)(int cpu, unsigned long boot_addr);
+        /*
+         * Boots specified physical CPU
+         */
+        int (*cpu_boot)(int cpu);
+        /*
+         * Initializes L2 cache
+         */
+        int (*l2x0_init)(void);
+};
+
+/* Global pointer for current firmware_ops structure, can't be NULL. */
+extern const struct firmware_ops *firmware_ops;
+
+/*
+ * call_firmware_op(op, ...)
+ *
+ * Checks if firmware operation is present and calls it,
+ * otherwise returns -ENOSYS
+ */
+#define call_firmware_op(op, ...)                                       \
+        ((firmware_ops->op) ? firmware_ops->op(__VA_ARGS__) : (-ENOSYS))
+
+/*
+ * register_firmware_ops(ops)
+ *
+ * A function to register platform firmware_ops struct.
+ */
+static inline void register_firmware_ops(const struct firmware_ops *ops)
+{
+        BUG_ON(!ops);
+
+        firmware_ops = ops;
+}
+
+#endif