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Commit ab5fdfd5 authored by Magnus Damm's avatar Magnus Damm Committed by Simon Horman
Browse files

ARM: shmobile: force enable of r8a7790 arch timer 



Implement a SoC-specific timer init function for
r8a7790 that makes sure the architected timer
is started regardless of boot loader setting.

Signed-off-by: default avatarMagnus Damm <damm@opensource.se>
Tested-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent c9dff050

arch/arm/mach-shmobile/include/mach/r8a7790.h

+1 −0
Original line number Diff line number Diff line
@@ -4,5 +4,6 @@ 
void r8a7790_add_standard_devices(void);

void r8a7790_clock_init(void);

void r8a7790_pinmux_init(void);

void r8a7790_timer_init(void);



#endif /* __ASM_R8A7790_H__ */

arch/arm/mach-shmobile/setup-r8a7790.c

+13 −1
Original line number Diff line number Diff line
@@ -118,6 +118,18 @@ void __init r8a7790_add_standard_devices(void) 
	r8a7790_register_irqc(0);

}



void __init r8a7790_timer_init(void)

{

	void __iomem *cntcr;



	/* make sure arch timer is started by setting bit 0 of CNTCT */

	cntcr = ioremap(0xe6080000, PAGE_SIZE);

	iowrite32(1, cntcr);

	iounmap(cntcr);



	shmobile_timer_init();

}



#ifdef CONFIG_USE_OF

void __init r8a7790_add_standard_devices_dt(void)

{
@@ -132,7 +144,7 @@ static const char *r8a7790_boards_compat_dt[] __initdata = { 
DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)")

	.init_irq	= irqchip_init,

	.init_machine	= r8a7790_add_standard_devices_dt,

	.init_time	= shmobile_timer_init,

	.init_time	= r8a7790_timer_init,

	.dt_compat	= r8a7790_boards_compat_dt,

MACHINE_END

#endif /* CONFIG_USE_OF */