Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5f6108bb authored by keita kobayashi's avatar keita kobayashi Committed by Simon Horman
Browse files

ARM: shmobile: r8a7791 SYSC setup code 



Add r8a7791 SYSC power management support.

Signed-off-by: default avatarKeita Kobayashi <keita.kobayashi.ym@renesas.com>
Acked-by: default avatarMagnus Damm <damm+renesas@opensource.se>
[horms+renesas@verge.net.au: rebased]
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 62872989

arch/arm/mach-shmobile/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -53,6 +53,7 @@ obj-$(CONFIG_ARCH_SH73A0) += pm-sh73a0.o 
obj-$(CONFIG_ARCH_R8A7740)	+= pm-r8a7740.o pm-rmobile.o

obj-$(CONFIG_ARCH_R8A7779)	+= pm-r8a7779.o pm-rcar.o

obj-$(CONFIG_ARCH_R8A7790)	+= pm-r8a7790.o pm-rcar.o

obj-$(CONFIG_ARCH_R8A7791)	+= pm-r8a7791.o pm-rcar.o



# Board objects

ifdef CONFIG_ARCH_SHMOBILE_MULTI

arch/arm/mach-shmobile/include/mach/r8a7791.h

+1 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ void r8a7791_add_standard_devices(void); 
void r8a7791_add_dt_devices(void);

void r8a7791_clock_init(void);

void r8a7791_pinmux_init(void);

void r8a7791_pm_init(void);

extern struct smp_operations r8a7791_smp_ops;



#endif /* __ASM_R8A7791_H__ */

arch/arm/mach-shmobile/pm-r8a7791.c

0 → 100644
+47 −0
Original line number Diff line number Diff line 
/*

 * r8a7791 Power management support

 *

 * Copyright (C) 2014  Renesas Electronics Corporation

 * Copyright (C) 2011  Renesas Solutions Corp.

 * Copyright (C) 2011  Magnus Damm

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 */



#include <asm/io.h>

#include <linux/kernel.h>

#include <mach/r8a7791.h>

#include "pm-rcar.h"



/* SYSC */

#define SYSCIER 0x0c

#define SYSCIMR 0x10



#if defined(CONFIG_SMP)



static void __init r8a7791_sysc_init(void)

{

	void __iomem *base = rcar_sysc_init(0xe6180000);



	/* enable all interrupt sources, but do not use interrupt handler */

	iowrite32(0x0131000e, base + SYSCIER);

	iowrite32(0, base + SYSCIMR);

}



#else /* CONFIG_SMP */



static inline void r8a7791_sysc_init(void) {}



#endif /* CONFIG_SMP */



void __init r8a7791_pm_init(void)

{

	static int once;



	if (once++)

		return;



	r8a7791_sysc_init();

}

arch/arm/mach-shmobile/smp-r8a7791.c

+2 −0
Original line number Diff line number Diff line
@@ -50,6 +50,8 @@ static void __init r8a7791_smp_prepare_cpus(unsigned int max_cpus) 
	writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000,

		       p + CA15RESCNT);

	iounmap(p);



	r8a7791_pm_init();

}



static int r8a7791_smp_boot_secondary(unsigned int cpu,