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memory.h

/*
 * linux/arch/arm/mach-omap2/memory.h
 *
 * Interface for memory timing related functions for OMAP24XX
 *
 * Copyright (C) 2005 Texas Instruments Inc.
 * Richard Woodruff <r-woodruff2@ti.com>
 *
 * Copyright (C) 2005 Nokia Corporation
 * Tony Lindgren <tony@atomide.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.
 */

/* Memory timings */
#define M_DDR           1
#define M_LOCK_CTRL     (1 << 2)
#define M_UNLOCK  0
#define M_LOCK          1

struct memory_timings {
      u32 m_type;       /* ddr = 1, sdr = 0 */
      u32 dll_mode;           /* use lock mode = 1, unlock mode = 0 */
      u32 slow_dll_ctrl;      /* unlock mode, dll value for slow speed */
      u32 fast_dll_ctrl;      /* unlock mode, dll value for fast speed */
      u32 base_cs;            /* base chip select to use for calculations */
};

extern void omap2_init_memory_params(u32 force_lock_to_unlock_mode);
extern u32 omap2_memory_get_slow_dll_ctrl(void);
extern u32 omap2_memory_get_fast_dll_ctrl(void);
extern u32 omap2_memory_get_type(void);

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