This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-avr32 / arch-at32ap / smc.h

diff --git a/include/asm-avr32/arch-at32ap/smc.h b/include/asm-avr32/arch-at32ap/smc.h
new file mode 100644 (file)
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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 */