[PATCH 2/4 V2] Enable MSI support for MPC8610HPCD board
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STALE6752d
From: Jason Jin <hidden>
Date: 2008-05-05 07:50:24
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
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 <redacted> --- 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@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@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); }
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1.5.4