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-rw-r--r--arch/arm/mach-omap2/mailbox.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 6519716571cb..52a981cb8fdd 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -41,6 +41,8 @@
#define SOFTRESET (1 << 1)
#define SMARTIDLE (2 << 3)
#define OMAP4_SOFTRESET (1 << 0)
+#define OMAP4_NOIDLE (1 << 2)
+#define OMAP4_SMARTIDLE (2 << 2)
/* SYSSTATUS: register bit definition */
#define RESETDONE (1 << 0)
@@ -131,7 +133,10 @@ static int omap2_mbox_startup(struct omap_mbox *mbox)
l = mbox_read_reg(MAILBOX_REVISION);
pr_info("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f));
- l = SMARTIDLE | AUTOIDLE;
+ if (cpu_is_omap44xx())
+ l = OMAP4_SMARTIDLE;
+ else
+ l = SMARTIDLE | AUTOIDLE;
mbox_write_reg(l, MAILBOX_SYSCONFIG);
omap2_mbox_enable_irq(mbox, IRQ_RX);