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diff --git a/include/asm-avr32/arch-at32ap/smc.h b/include/asm-avr32/arch-at32ap/smc.h
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+++ b/include/asm-avr32/arch-at32ap/smc.h
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+/*
+ * Static Memory Controller for AT32 chips
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * Inspired by the OMAP2 General-Purpose Memory Controller interface
+ *
+ * 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 __ARCH_AT32AP_SMC_H
+#define __ARCH_AT32AP_SMC_H
+
+/*
+ * All timing parameters are in nanoseconds.
+ */
+struct smc_config {
+ /* Delay from address valid to assertion of given strobe */
+ u16 ncs_read_setup;
+ u16 nrd_setup;
+ u16 ncs_write_setup;
+ u16 nwe_setup;
+
+ /* Pulse length of given strobe */
+ u16 ncs_read_pulse;
+ u16 nrd_pulse;
+ u16 ncs_write_pulse;
+ u16 nwe_pulse;
+
+ /* Total cycle length of given operation */
+ u16 read_cycle;
+ u16 write_cycle;
+
+ /* Bus width in bytes */
+ u8 bus_width;
+
+ /*
+ * 0: Data is sampled on rising edge of NCS
+ * 1: Data is sampled on rising edge of NRD
+ */
+ unsigned int nrd_controlled:1;
+
+ /*
+ * 0: Data is driven on falling edge of NCS
+ * 1: Data is driven on falling edge of NWR
+ */
+ unsigned int nwe_controlled:1;
+
+ /*
+ * 0: Byte select access type
+ * 1: Byte write access type
+ */
+ unsigned int byte_write:1;
+};
+
+extern int smc_set_configuration(int cs, const struct smc_config *config);
+extern struct smc_config *smc_get_configuration(int cs);
+
+#endif /* __ARCH_AT32AP_SMC_H */