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 <[EMAIL PROTECTED]>
---
In this version:
Add a flag MPIC_BROKEN_FRR_NIRQS in mpic_alloc making the mpic use
irq_count instead of FRR[NIRQ] to initialize the interrupt controller.
So the hwirq num need to be changed.
arch/powerpc/boot/dts/mpc8610_hpcd.dts | 16 ++++++++++++++++
arch/powerpc/platforms/86xx/mpc8610_hpcd.c | 3 ++-
2 files changed, 18 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/boot/dts/mpc8610_hpcd.dts
b/arch/powerpc/boot/dts/mpc8610_hpcd.dts
index 08a780d..fa9c297 100644
--- a/arch/powerpc/boot/dts/mpc8610_hpcd.dts
+++ b/arch/powerpc/boot/dts/mpc8610_hpcd.dts
@@ -182,6 +182,22 @@
big-endian;
};
+ [EMAIL PROTECTED] {
+ compatible = "fsl,mpc8610-msi", "fsl,mpic-msi";
+ reg = <0x41600 0x80>;
+ msi-available-ranges = <0 0x100>;
+ interrupts = <
+ 0xe0 0
+ 0xe1 0
+ 0xe2 0
+ 0xe3 0
+ 0xe4 0
+ 0xe5 0
+ 0xe6 0
+ 0xe7 0>;
+ interrupt-parent = <&mpic>;
+ };
+
[EMAIL PROTECTED] {
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 dea1320..eb16208 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -70,7 +70,8 @@ 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,
+ MPIC_PRIMARY | MPIC_WANTS_RESET |
+ MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
0, 256, " MPIC ");
BUG_ON(mpic1 == NULL);
--
1.5.4
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@ozlabs.org
https://ozlabs.org/mailman/listinfo/linuxppc-dev
