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a48f165509
Add r8a7790 SYSC power management support. Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com> Signed-off-by: Ryo Kataoka <ryo.kataoka.wt@renesas.com> [damm@opensource.se: Converted to use broken out SYSC code] Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
46 lines
968 B
C
46 lines
968 B
C
/*
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* r8a7790 Power management support
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*
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* Copyright (C) 2013 Renesas Electronics Corporation
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* Copyright (C) 2011 Renesas Solutions Corp.
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* Copyright (C) 2011 Magnus Damm
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/kernel.h>
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#include <asm/io.h>
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#include <mach/pm-rcar.h>
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#include <mach/r8a7790.h>
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/* SYSC */
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#define SYSCIER 0x0c
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#define SYSCIMR 0x10
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#if defined(CONFIG_SMP)
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static void __init r8a7790_sysc_init(void)
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{
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void __iomem *base = rcar_sysc_init(0xe6180000);
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/* enable all interrupt sources, but do not use interrupt handler */
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iowrite32(0x0131000e, base + SYSCIER);
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iowrite32(0, base + SYSCIMR);
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}
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#else /* CONFIG_SMP */
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static inline void r8a7790_sysc_init(void) {}
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#endif /* CONFIG_SMP */
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void __init r8a7790_pm_init(void)
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{
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static int once;
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if (!once++)
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r8a7790_sysc_init();
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}
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