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: Kevin Hilman <khilman@deeprootsystems.com>

2 files changed, 8 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 8b8a2dd49471..841d4c5ed8be 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -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);
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index 7c8e0c42b05d..9937e2814696 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -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