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Commit d3fd3290 authored by Kevin Hilman's avatar Kevin Hilman
Browse files

OMAP3: PM: prevent module wakeups from waking IVA2 



By default, prevent functional wakeups from inside a module from
waking up the IVA2.  Let DSP Bridge code handle this when loaded.

Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent b1340d17

arch/arm/mach-omap2/pm34xx.c

+6 −0
Original line number Diff line number Diff line
@@ -595,6 +595,12 @@ static void __init prcm_setup_regs(void) 
	prm_write_mod_reg(OMAP3430_IO_EN | OMAP3430_WKUP_EN,

			  OCP_MOD, OMAP3_PRM_IRQENABLE_MPU_OFFSET);



	/* Don't attach IVA interrupts */

	prm_write_mod_reg(0, WKUP_MOD, OMAP3430_PM_IVAGRPSEL);

	prm_write_mod_reg(0, CORE_MOD, OMAP3430_PM_IVAGRPSEL1);

	prm_write_mod_reg(0, CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3);

	prm_write_mod_reg(0, OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL);



	/* Clear any pending 'reset' flags */

	prm_write_mod_reg(0xffffffff, MPU_MOD, RM_RSTST);

	prm_write_mod_reg(0xffffffff, CORE_MOD, RM_RSTST);

arch/arm/mach-omap2/prm.h

+2 −0
Original line number Diff line number Diff line
@@ -203,9 +203,11 @@ 


#define OMAP3430_PM_MPUGRPSEL				0x00a4

#define OMAP3430_PM_MPUGRPSEL1				OMAP3430_PM_MPUGRPSEL

#define OMAP3430ES2_PM_MPUGRPSEL3			0x00f8



#define OMAP3430_PM_IVAGRPSEL				0x00a8

#define OMAP3430_PM_IVAGRPSEL1				OMAP3430_PM_IVAGRPSEL

#define OMAP3430ES2_PM_IVAGRPSEL3			0x00f4



#define OMAP3430_PM_PREPWSTST				0x00e8