powerpc/83xx: consolidate init_IRQ functions

[cascardo/linux.git] / arch / powerpc / platforms / 83xx / misc.c

diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c
index f01806c..4ac60cc 100644 (file)
--- a/arch/powerpc/platforms/83xx/misc.c
+++ b/arch/powerpc/platforms/83xx/misc.c
@@ -11,9 +11,12 @@
 
 #include <linux/stddef.h>
 #include <linux/kernel.h>
+#include <linux/of_platform.h>
 
 #include <asm/io.h>
 #include <asm/hw_irq.h>
+#include <asm/ipic.h>
+#include <asm/qe_ic.h>
 #include <sysdev/fsl_soc.h>
 
 #include "mpc83xx.h"
@@ -65,3 +68,46 @@ long __init mpc83xx_time_init(void)
 
        return 0;
 }
+
+void __init mpc83xx_ipic_init_IRQ(void)
+{
+       struct device_node *np;
+
+       /* looking for fsl,pq2pro-pic which is asl compatible with fsl,ipic */
+       np = of_find_compatible_node(NULL, NULL, "fsl,ipic");
+       if (!np)
+               np = of_find_node_by_type(NULL, "ipic");
+       if (!np)
+               return;
+
+       ipic_init(np, 0);
+
+       of_node_put(np);
+
+       /* Initialize the default interrupt mapping priorities,
+        * in case the boot rom changed something on us.
+        */
+       ipic_set_default_priority();
+}
+
+#ifdef CONFIG_QUICC_ENGINE
+void __init mpc83xx_qe_init_IRQ(void)
+{
+       struct device_node *np;
+
+       np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
+       if (!np) {
+               np = of_find_node_by_type(NULL, "qeic");
+               if (!np)
+                       return;
+       }
+       qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
+       of_node_put(np);
+}
+
+void __init mpc83xx_ipic_and_qe_init_IRQ(void)
+{
+       mpc83xx_ipic_init_IRQ();
+       mpc83xx_qe_init_IRQ();
+}
+#endif /* CONFIG_QUICC_ENGINE */