ARM: mx51: Implement code to allow mx51 to enter WFI
Implement code for MX51 that allows the SoC to enter WFI when
arch_idle is called.
This patch is also necessary for correctly suspending the system.
Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index 3322c7a..1aea818 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/arch/arm/plat-mxc/include/mach/mxc.h
@@ -195,6 +195,15 @@
u32 cpu_rate;
};
+int tzic_enable_wake(int is_idle);
+enum mxc_cpu_pwr_mode {
+ WAIT_CLOCKED, /* wfi only */
+ WAIT_UNCLOCKED, /* WAIT */
+ WAIT_UNCLOCKED_POWER_OFF, /* WAIT + SRPG */
+ STOP_POWER_ON, /* just STOP */
+ STOP_POWER_OFF, /* STOP + SRPG */
+};
+
extern struct cpu_op *(*get_cpu_op)(int *op);
#endif