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-rw-r--r--target/linux/mpc85xx/patches/120-mpc8548_cds_i8259_noirq_init.patch23
-rw-r--r--target/linux/mpc85xx/patches/130-mpc8548_cds_disable_i8259_irq.patch13
2 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/mpc85xx/patches/120-mpc8548_cds_i8259_noirq_init.patch b/target/linux/mpc85xx/patches/120-mpc8548_cds_i8259_noirq_init.patch
new file mode 100644
index 0000000000..4d585100e6
--- /dev/null
+++ b/target/linux/mpc85xx/patches/120-mpc8548_cds_i8259_noirq_init.patch
@@ -0,0 +1,23 @@
+--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
++++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+@@ -234,15 +234,16 @@ static int mpc85xx_cds_8259_attach(void)
+ return -ENODEV;
+ }
+
++ i8259_init(cascade_node, 0);
++ of_node_put(cascade_node);
++
+ cascade_irq = irq_of_parse_and_map(cascade_node, 0);
+ if (cascade_irq == NO_IRQ) {
+- printk(KERN_ERR "Failed to map cascade interrupt\n");
++ of_node_put(cascade_node);
++ printk(KERN_DEBUG "No interrupt for i8259 PIC\n");
+ return -ENXIO;
+ }
+
+- i8259_init(cascade_node, 0);
+- of_node_put(cascade_node);
+-
+ /*
+ * Hook the interrupt to make sure desc->action is never NULL.
+ * This is required to ensure that the interrupt does not get
diff --git a/target/linux/mpc85xx/patches/130-mpc8548_cds_disable_i8259_irq.patch b/target/linux/mpc85xx/patches/130-mpc8548_cds_disable_i8259_irq.patch
new file mode 100644
index 0000000000..54a27858f3
--- /dev/null
+++ b/target/linux/mpc85xx/patches/130-mpc8548_cds_disable_i8259_irq.patch
@@ -0,0 +1,13 @@
+--- a/arch/powerpc/boot/dts/mpc8548cds.dts
++++ b/arch/powerpc/boot/dts/mpc8548cds.dts
+@@ -492,8 +492,10 @@
+ #address-cells = <0>;
+ #interrupt-cells = <2>;
+ compatible = "chrp,iic";
++/*
+ interrupts = <0 1>;
+ interrupt-parent = <&mpic>;
++*/
+ };
+
+ rtc@70 {