2 * Routines common to most mpc85xx-based boards.
4 * This is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 #include <linux/of_platform.h>
10 #include <sysdev/cpm2_pic.h>
14 static struct of_device_id __initdata mpc85xx_common_ids[] = {
16 { .compatible = "soc", },
17 { .compatible = "simple-bus", },
19 { .name = "localbus", },
20 { .compatible = "gianfar", },
21 { .compatible = "fsl,qe", },
22 { .compatible = "fsl,cpm2", },
23 { .compatible = "fsl,srio", },
27 int __init mpc85xx_common_publish_devices(void)
29 return of_platform_bus_probe(NULL, mpc85xx_common_ids, NULL);
32 static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
34 struct irq_chip *chip = irq_desc_get_chip(desc);
37 while ((cascade_irq = cpm2_get_irq()) >= 0)
38 generic_handle_irq(cascade_irq);
40 chip->irq_eoi(&desc->irq_data);
44 void __init mpc85xx_cpm2_pic_init(void)
46 struct device_node *np;
50 np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
52 printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
55 irq = irq_of_parse_and_map(np, 0);
58 printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n");
64 irq_set_chained_handler(irq, cpm2_cascade);