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-rw-r--r--arch/arm/mach-sa1100/include/mach/mtd-xip.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/mtd-xip.h b/arch/arm/mach-sa1100/include/mach/mtd-xip.h
new file mode 100644
index 000000000..85e6a7911
--- /dev/null
+++ b/arch/arm/mach-sa1100/include/mach/mtd-xip.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * MTD primitives for XIP support. Architecture specific functions
+ *
+ * Do not include this file directly. It's included from linux/mtd/xip.h
+ *
+ * Author: Nicolas Pitre
+ * Created: Nov 2, 2004
+ * Copyright: (C) 2004 MontaVista Software, Inc.
+ */
+
+#ifndef __ARCH_SA1100_MTD_XIP_H__
+#define __ARCH_SA1100_MTD_XIP_H__
+
+#include <mach/hardware.h>
+
+#define xip_irqpending() (ICIP & ICMR)
+
+/* we sample OSCR and convert desired delta to usec (1/4 ~= 1000000/3686400) */
+#define xip_currtime() readl_relaxed(OSCR)
+#define xip_elapsed_since(x) (signed)((readl_relaxed(OSCR) - (x)) / 4)
+
+#endif /* __ARCH_SA1100_MTD_XIP_H__ */