[PATCH 2/4 V2] Enable MSI support for MPC8610HPCD board

[Jason Jin]

This patch enable the MSI on 8610hpcd board.
Through the msi-available-ranges property, All the 256
msi interrupts can be tested on this board.

Signed-off-by: Jason Jin <Jason.jin at freescale.com>
---
 V2 version deleted the PEX2 dts node according the updated git tree

 arch/powerpc/boot/dts/mpc8610_hpcd.dts     |   16 ++++++++++++++++
 arch/powerpc/platforms/86xx/mpc8610_hpcd.c |    6 +++++-
 2 files changed, 21 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/boot/dts/mpc8610_hpcd.dts b/arch/powerpc/boot/dts/mpc8610_hpcd.dts
index bba234e..266e1b8 100644
--- a/arch/powerpc/boot/dts/mpc8610_hpcd.dts
+++ b/arch/powerpc/boot/dts/mpc8610_hpcd.dts
@@ -128,6 +128,22 @@
 			big-endian;
 		};
 
+		msi at 41600 {
+			compatible = "fsl,MPIC-MSI";
+			reg = <0x41600 0x80>;
+			msi-available-ranges = <0 0x100>;
+			interrupts = <
+				0xb0 0
+				0xb1 0
+				0xb2 0
+				0xb3 0
+				0xb4 0
+				0xb5 0
+				0xb6 0
+				0xb7 0>;
+			interrupt-parent = <&mpic>;
+		};
+
 		global-utilities at e0000 {
 			compatible = "fsl,mpc8610-guts";
 			reg = <0xe0000 0x1000>;
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index 5e1e8cf..59f75f7 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -70,9 +70,13 @@ static void __init mpc86xx_hpcd_init_irq(void)
 	/* Alloc mpic structure and per isu has 16 INT entries. */
 	mpic1 = mpic_alloc(np, res.start,
 			MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
-			0, 256, " MPIC     ");
+			64, 256, " MPIC     ");
 	BUG_ON(mpic1 == NULL);
 
+	mpic_assign_isu(mpic1, 0, res.start + 0x10000);
+	mpic_assign_isu(mpic1, 1, res.start + 0x10800);
+	mpic_assign_isu(mpic1, 2, res.start + 0x11600);
+
 	mpic_init(mpic1);
 }
 
-- 
1.5.4