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>
git-mirror · May 28, 2009 · d3fd329 · d3fd329
1 parent b1340d1
commit d3fd329
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diff --git 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
@@ -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