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

Commit a25d67a4 authored by Anson Huang's avatar Anson Huang Committed by Shawn Guo
Browse files

ARM: imx: add cpuidle support for i.mx6sx 



Add cpuidle support for i.MX6SX, derive from i.MX6Q's
cpuidle, two levels supported:

1. WFI;
2. WAIT mode.

Signed-off-by: default avatarAnson Huang <b20788@freescale.com>
Signed-off-by: default avatarShawn Guo <shawn.guo@freescale.com>
parent ff843d62

arch/arm/mach-imx/cpuidle-imx6q.c

+3 −1
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 


#include "common.h"

#include "cpuidle.h"

#include "hardware.h"



static atomic_t master = ATOMIC_INIT(0);

static DEFINE_SPINLOCK(master_lock);
@@ -66,6 +67,7 @@ static struct cpuidle_driver imx6q_cpuidle_driver = { 
int __init imx6q_cpuidle_init(void)

{

	/* Need to enable SCU standby for entering WAIT modes */

	if (!cpu_is_imx6sx())

		imx_scu_standby_enable();



	/* Set INT_MEM_CLK_LPM bit to get a reliable WAIT mode support */

arch/arm/mach-imx/mach-imx6sx.c

+7 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include <asm/mach/map.h>



#include "common.h"

#include "cpuidle.h"



static void __init imx6sx_init_machine(void)

{
@@ -38,6 +39,11 @@ static void __init imx6sx_init_irq(void) 
	irqchip_init();

}



static void __init imx6sx_init_late(void)

{

	imx6q_cpuidle_init();

}



static const char *imx6sx_dt_compat[] __initconst = {

	"fsl,imx6sx",

	NULL,
@@ -48,5 +54,6 @@ DT_MACHINE_START(IMX6SX, "Freescale i.MX6 SoloX (Device Tree)") 
	.init_irq	= imx6sx_init_irq,

	.init_machine	= imx6sx_init_machine,

	.dt_compat	= imx6sx_dt_compat,

	.init_late	= imx6sx_init_late,

	.restart	= mxc_restart,

MACHINE_END