This patch enabled MSI on 8544ds and 8572ds board.
only one MSI interrupt can generate on 8544 board.
Signed-off-by: Jason Jin <[EMAIL PROTECTED]>
---
arch/powerpc/boot/dts/mpc8544ds.dts | 16 ++++++++++++++++
arch/powerpc/boot/dts/mpc8572ds.dts | 16 ++++++++++++++++
arch/powerpc/platforms/85xx/mpc85xx_ds.c | 7 ++++++-
3 files changed, 38 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/boot/dts/mpc8544ds.dts
b/arch/powerpc/boot/dts/mpc8544ds.dts
index 6a0d8db..1059281 100644
--- a/arch/powerpc/boot/dts/mpc8544ds.dts
+++ b/arch/powerpc/boot/dts/mpc8544ds.dts
@@ -219,6 +219,22 @@
device_type = "open-pic";
big-endian;
};
+
+ [EMAIL PROTECTED] {
+ 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>;
+ };
};
pci0: [EMAIL PROTECTED] {
diff --git a/arch/powerpc/boot/dts/mpc8572ds.dts
b/arch/powerpc/boot/dts/mpc8572ds.dts
index 66f27ab..1c5ae9d 100644
--- a/arch/powerpc/boot/dts/mpc8572ds.dts
+++ b/arch/powerpc/boot/dts/mpc8572ds.dts
@@ -221,6 +221,22 @@
fsl,has-rstcr;
};
+ [EMAIL PROTECTED] {
+ 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>;
+ };
+
mpic: [EMAIL PROTECTED] {
clock-frequency = <0>;
interrupt-controller;
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index dfd8b4a..2696d2f 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -79,9 +79,13 @@ void __init mpc85xx_ds_pic_init(void)
mpic = mpic_alloc(np, r.start,
MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
- 0, 256, " OpenPIC ");
+ 64, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
+ mpic_assign_isu(mpic, 0, r.start + 0x10000);
+ mpic_assign_isu(mpic, 1, r.start + 0x10800);
+ mpic_assign_isu(mpic, 2, r.start + 0x11600);
+
mpic_init(mpic);
#ifdef CONFIG_PPC_I8259
@@ -195,6 +199,7 @@ static int __init mpc85xxds_publish_devices(void)
return of_platform_bus_probe(NULL, mpc85xxds_ids, NULL);
}
machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices);
+machine_device_initcall(mpc8572_ds, mpc85xxds_publish_devices);
/*
* Called very early, device-tree isn't unflattened
--
1.5.4
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