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				|  |  | +/*
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				|  |  | + * arch/blackfin/include/asm/mem_init.h - reprogram clocks / memory
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				|  |  | + *
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				|  |  | + * Copyright 2004-2008 Analog Devices Inc.
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				|  |  | + *
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				|  |  | + * Licensed under the GPL-2 or later.
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				|  |  | + */
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				|  |  | +
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				|  |  | +#ifndef __MEM_INIT_H__
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				|  |  | +#define __MEM_INIT_H__
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				|  |  | +
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				|  |  | +#if defined(EBIU_SDGCTL)
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				|  |  | +#if defined(CONFIG_MEM_MT48LC16M16A2TG_75) || \
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				|  |  | +    defined(CONFIG_MEM_MT48LC64M4A2FB_7E) || \
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				|  |  | +    defined(CONFIG_MEM_MT48LC16M8A2TG_75) || \
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				|  |  | +    defined(CONFIG_MEM_MT48LC32M8A2_75) || \
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				|  |  | +    defined(CONFIG_MEM_MT48LC8M32B2B5_7) || \
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				|  |  | +    defined(CONFIG_MEM_MT48LC32M16A2TG_75) || \
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				|  |  | +    defined(CONFIG_MEM_MT48LC32M8A2_75)
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				|  |  | +#if (CONFIG_SCLK_HZ > 119402985)
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				|  |  | +#define SDRAM_tRP       TRP_2
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				|  |  | +#define SDRAM_tRP_num   2
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				|  |  | +#define SDRAM_tRAS      TRAS_7
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				|  |  | +#define SDRAM_tRAS_num  7
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				|  |  | +#define SDRAM_tRCD      TRCD_2
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985)
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				|  |  | +#define SDRAM_tRP       TRP_2
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				|  |  | +#define SDRAM_tRP_num   2
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				|  |  | +#define SDRAM_tRAS      TRAS_6
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				|  |  | +#define SDRAM_tRAS_num  6
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				|  |  | +#define SDRAM_tRCD      TRCD_2
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612)
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				|  |  | +#define SDRAM_tRP       TRP_2
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				|  |  | +#define SDRAM_tRP_num   2
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				|  |  | +#define SDRAM_tRAS      TRAS_5
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				|  |  | +#define SDRAM_tRAS_num  5
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				|  |  | +#define SDRAM_tRCD      TRCD_2
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239)
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				|  |  | +#define SDRAM_tRP       TRP_2
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				|  |  | +#define SDRAM_tRP_num   2
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				|  |  | +#define SDRAM_tRAS      TRAS_4
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				|  |  | +#define SDRAM_tRAS_num  4
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				|  |  | +#define SDRAM_tRCD      TRCD_2
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866)
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				|  |  | +#define SDRAM_tRP       TRP_2
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				|  |  | +#define SDRAM_tRP_num   2
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				|  |  | +#define SDRAM_tRAS      TRAS_3
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				|  |  | +#define SDRAM_tRAS_num  3
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				|  |  | +#define SDRAM_tRCD      TRCD_2
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667)
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				|  |  | +#define SDRAM_tRP       TRP_1
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				|  |  | +#define SDRAM_tRP_num   1
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				|  |  | +#define SDRAM_tRAS      TRAS_4
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				|  |  | +#define SDRAM_tRAS_num  4
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				|  |  | +#define SDRAM_tRCD      TRCD_1
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493)
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				|  |  | +#define SDRAM_tRP       TRP_1
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				|  |  | +#define SDRAM_tRP_num   1
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				|  |  | +#define SDRAM_tRAS      TRAS_3
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				|  |  | +#define SDRAM_tRAS_num  3
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				|  |  | +#define SDRAM_tRCD      TRCD_1
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119)
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				|  |  | +#define SDRAM_tRP       TRP_1
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				|  |  | +#define SDRAM_tRP_num   1
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				|  |  | +#define SDRAM_tRAS      TRAS_2
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				|  |  | +#define SDRAM_tRAS_num  2
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				|  |  | +#define SDRAM_tRCD      TRCD_1
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ <= 29850746)
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				|  |  | +#define SDRAM_tRP       TRP_1
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				|  |  | +#define SDRAM_tRP_num   1
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				|  |  | +#define SDRAM_tRAS      TRAS_1
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				|  |  | +#define SDRAM_tRAS_num  1
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				|  |  | +#define SDRAM_tRCD      TRCD_1
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#endif
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				|  |  | +
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				|  |  | +/*
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				|  |  | + * The BF526-EZ-Board changed SDRAM chips between revisions,
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				|  |  | + * so we use below timings to accommodate both.
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				|  |  | + */
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				|  |  | +#if defined(CONFIG_MEM_MT48H32M16LFCJ_75)
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				|  |  | +#if (CONFIG_SCLK_HZ > 119402985)
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				|  |  | +#define SDRAM_tRP       TRP_2
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				|  |  | +#define SDRAM_tRP_num   2
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				|  |  | +#define SDRAM_tRAS      TRAS_8
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				|  |  | +#define SDRAM_tRAS_num  8
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				|  |  | +#define SDRAM_tRCD      TRCD_2
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985)
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				|  |  | +#define SDRAM_tRP       TRP_2
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				|  |  | +#define SDRAM_tRP_num   2
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				|  |  | +#define SDRAM_tRAS      TRAS_7
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				|  |  | +#define SDRAM_tRAS_num  7
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				|  |  | +#define SDRAM_tRCD      TRCD_2
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612)
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				|  |  | +#define SDRAM_tRP       TRP_2
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				|  |  | +#define SDRAM_tRP_num   2
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				|  |  | +#define SDRAM_tRAS      TRAS_6
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				|  |  | +#define SDRAM_tRAS_num  6
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				|  |  | +#define SDRAM_tRCD      TRCD_2
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239)
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				|  |  | +#define SDRAM_tRP       TRP_2
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				|  |  | +#define SDRAM_tRP_num   2
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				|  |  | +#define SDRAM_tRAS      TRAS_5
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				|  |  | +#define SDRAM_tRAS_num  5
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				|  |  | +#define SDRAM_tRCD      TRCD_2
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				|  |  | +#define SDRAM_tWR       TWR_2
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				|  |  | +#endif
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				|  |  | +#if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866)
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