| /* |
| * 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); |