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24a0f5c539
The sama5d2 has a mode were it is possible to cut power to the SoC while keeping the RAM in self refresh. Resuming from that mode needs support in the firmware/bootloader. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Wenyou Yang <wenyou.yang@atmel.com>
41 lines
935 B
C
41 lines
935 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 deepest_state;
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};
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#endif
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#endif
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