From 2b7be29cade03e7648f00500d8f8993442222485 Mon Sep 17 00:00:00 2001
From: Grissiom <chaos.proton@gmail.com>
Date: Tue, 8 Apr 2014 11:54:03 +0800
Subject: [PATCH] [bsp/rva8] enable group{0,1} interrupt forwarding in gic
 initialization

When RT-Thread is running stand alone, it forgot to enable the
distributor of GIC.
---
 libcpu/arm/realview-a8-vmm/gic.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libcpu/arm/realview-a8-vmm/gic.c b/libcpu/arm/realview-a8-vmm/gic.c
index db26fc5dcf..4cff1bad3e 100644
--- a/libcpu/arm/realview-a8-vmm/gic.c
+++ b/libcpu/arm/realview-a8-vmm/gic.c
@@ -249,6 +249,9 @@ int arm_gic_dist_init(rt_uint32_t index, rt_uint32_t dist_base, int irq_start)
     for (i = 0; i < _gic_max_irq; i += 32)
         GIC_DIST_IGROUP(dist_base, i) = 0xffffffff;
 
+    /* Enable group0 and group1 interrupt forwarding. */
+    GIC_DIST_CTRL(dist_base) = 0x03;
+
     return 0;
 }
 
-- 
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