2 * AT91 Power Management
4 * Copyright (C) 2005 David Brownell
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.
11 #ifndef __ARCH_ARM_MACH_AT91_PM
12 #define __ARCH_ARM_MACH_AT91_PM
14 #include <asm/proc-fns.h>
16 #include <linux/mfd/syscon/atmel-mc.h>
17 #include <soc/at91/at91sam9_ddrsdr.h>
18 #include <soc/at91/at91sam9_sdramc.h>
21 extern void __iomem *at91_ramc_base[];
23 #define at91_ramc_read(id, field) \
24 __raw_readl(at91_ramc_base[id] + field)
26 #define at91_ramc_write(id, field, value) \
27 __raw_writel(value, at91_ramc_base[id] + field)
30 #define AT91_MEMCTRL_MC 0
31 #define AT91_MEMCTRL_SDRAMC 1
32 #define AT91_MEMCTRL_DDRSDR 2
34 #define AT91_PM_MEMTYPE_MASK 0x0f
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)
40 #define AT91_PM_SLOW_CLOCK 0x01