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7693e18e8c
While we can only select between "standby" and "mem" states for power management, the atmel platforms can actually support more modes. For both standby and mem, allow selecting which mode will be used using the atmel.pm_modes kernel parameter. By default, keep the current modes. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Wenyou Yang <wenyou.yang@atmel.com>
42 lines
962 B
C
42 lines
962 B
C
/*
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* AT91 Power Management
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*
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* Copyright (C) 2005 David Brownell
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __ARCH_ARM_MACH_AT91_PM
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#define __ARCH_ARM_MACH_AT91_PM
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#include <asm/proc-fns.h>
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#include <linux/mfd/syscon/atmel-mc.h>
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#include <soc/at91/at91sam9_ddrsdr.h>
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#include <soc/at91/at91sam9_sdramc.h>
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#define AT91_MEMCTRL_MC 0
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#define AT91_MEMCTRL_SDRAMC 1
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#define AT91_MEMCTRL_DDRSDR 2
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#define AT91_PM_SLOW_CLOCK 0x01
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#define AT91_PM_BACKUP 0x02
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#ifndef __ASSEMBLY__
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struct at91_pm_data {
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void __iomem *pmc;
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void __iomem *ramc[2];
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unsigned long uhp_udp_mask;
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unsigned int memctrl;
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unsigned int mode;
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void __iomem *shdwc;
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void __iomem *sfrbu;
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unsigned int standby_mode;
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unsigned int suspend_mode;
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};
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#endif
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#endif
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