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.
9 #include <linux/of_irq.h>
10 #include <linux/of_platform.h>
13 #include <sysdev/cpm2_pic.h>
17 static struct of_device_id __initdata mpc85xx_common_ids[] = {
19 { .compatible = "soc", },
20 { .compatible = "simple-bus", },
22 { .name = "localbus", },
23 { .compatible = "gianfar", },
24 { .compatible = "fsl,qe", },
25 { .compatible = "fsl,cpm2", },
26 { .compatible = "fsl,srio", },
27 /* So that the DMA channel nodes can be probed individually: */
28 { .compatible = "fsl,eloplus-dma", },
29 /* For the PMC driver */
30 { .compatible = "fsl,mpc8548-guts", },
31 /* Probably unnecessary? */
32 { .compatible = "gpio-leds", },
33 /* For all PCI controllers */
34 { .compatible = "fsl,mpc8540-pci", },
35 { .compatible = "fsl,mpc8548-pcie", },
36 { .compatible = "fsl,p1022-pcie", },
37 { .compatible = "fsl,p1010-pcie", },
38 { .compatible = "fsl,p1023-pcie", },
39 { .compatible = "fsl,p4080-pcie", },
40 { .compatible = "fsl,qoriq-pcie-v2.4", },
41 { .compatible = "fsl,qoriq-pcie-v2.3", },
42 { .compatible = "fsl,qoriq-pcie-v2.2", },
46 int __init mpc85xx_common_publish_devices(void)
48 return of_platform_bus_probe(NULL, mpc85xx_common_ids, NULL);
51 static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
53 struct irq_chip *chip = irq_desc_get_chip(desc);
56 while ((cascade_irq = cpm2_get_irq()) >= 0)
57 generic_handle_irq(cascade_irq);
59 chip->irq_eoi(&desc->irq_data);
63 void __init mpc85xx_cpm2_pic_init(void)
65 struct device_node *np;
69 np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
71 printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
74 irq = irq_of_parse_and_map(np, 0);
77 printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n");
83 irq_set_chained_handler(irq, cpm2_cascade);
87 #ifdef CONFIG_QUICC_ENGINE
88 void __init mpc85xx_qe_init(void)
90 struct device_node *np;
92 np = of_find_compatible_node(NULL, NULL, "fsl,qe");
94 np = of_find_node_by_name(NULL, "qe");
96 pr_err("%s: Could not find Quicc Engine node\n",
102 if (!of_device_is_available(np)) {
110 np = of_find_node_by_name(NULL, "par_io");
112 struct device_node *ucc;
117 for_each_node_by_name(ucc, "ucc")
118 par_io_of_config(ucc);