OMAP3: PM: prevent module wakeups from waking IVA2
authorKevin Hilman <khilman@deeprootsystems.com>
Tue, 5 May 2009 23:34:25 +0000 (16:34 -0700)
committerKevin Hilman <khilman@deeprootsystems.com>
Wed, 5 Aug 2009 16:10:52 +0000 (09:10 -0700)
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: Kevin Hilman <khilman@deeprootsystems.com>
arch/arm/mach-omap2/pm34xx.c

index 1422e93..c813a08 100644 (file)
@@ -613,6 +613,12 @@ static void __init prcm_setup_regs(void)
        /* Clear any pending PRCM interrupts */
        prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_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);