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Linux/arch/arm/mach-at91/pm.h

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  1 /*
  2  * AT91 Power Management
  3  *
  4  * Copyright (C) 2005 David Brownell
  5  *
  6  * This program is free software; you can redistribute it and/or modify
  7  * it under the terms of the GNU General Public License as published by
  8  * the Free Software Foundation; either version 2 of the License, or
  9  * (at your option) any later version.
 10  */
 11 #ifndef __ARCH_ARM_MACH_AT91_PM
 12 #define __ARCH_ARM_MACH_AT91_PM
 13 
 14 #include <asm/proc-fns.h>
 15 
 16 #include <linux/mfd/syscon/atmel-mc.h>
 17 #include <soc/at91/at91sam9_ddrsdr.h>
 18 #include <soc/at91/at91sam9_sdramc.h>
 19 
 20 #ifndef __ASSEMBLY__
 21 extern void __iomem *at91_ramc_base[];
 22 
 23 #define at91_ramc_read(id, field) \
 24         __raw_readl(at91_ramc_base[id] + field)
 25 
 26 #define at91_ramc_write(id, field, value) \
 27         __raw_writel(value, at91_ramc_base[id] + field)
 28 #endif
 29 
 30 #define AT91_MEMCTRL_MC         0
 31 #define AT91_MEMCTRL_SDRAMC     1
 32 #define AT91_MEMCTRL_DDRSDR     2
 33 
 34 #define AT91_PM_MEMTYPE_MASK    0x0f
 35 
 36 #define AT91_PM_MODE_OFFSET     4
 37 #define AT91_PM_MODE_MASK       0x01
 38 #define AT91_PM_MODE(x)         (((x) & AT91_PM_MODE_MASK) << AT91_PM_MODE_OFFSET)
 39 
 40 #define AT91_PM_SLOW_CLOCK      0x01
 41 
 42 #endif
 43 

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