xref: /openbmc/linux/arch/arm/mach-at91/pm.h (revision aac5987a)
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 #define at91_ramc_read(id, field) \
22 	__raw_readl(at91_ramc_base[id] + field)
23 
24 #define at91_ramc_write(id, field, value) \
25 	__raw_writel(value, at91_ramc_base[id] + field)
26 #endif
27 
28 #define AT91_MEMCTRL_MC		0
29 #define AT91_MEMCTRL_SDRAMC	1
30 #define AT91_MEMCTRL_DDRSDR	2
31 
32 #define	AT91_PM_MEMTYPE_MASK	0x0f
33 
34 #define	AT91_PM_MODE_OFFSET	4
35 #define	AT91_PM_MODE_MASK	0x01
36 #define	AT91_PM_MODE(x)		(((x) & AT91_PM_MODE_MASK) << AT91_PM_MODE_OFFSET)
37 
38 #define	AT91_PM_SLOW_CLOCK	0x01
39 
40 #endif
41