projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 543a07b1 DES |
1 | /* |
| 2 | * Routines common to most mpc85xx-based boards. | |
| 3 | * | |
| 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. | |
| 7 | */ | |
| 8 | #include <linux/of_platform.h> | |
| 9 | ||
| 10 | #include <sysdev/cpm2_pic.h> | |
| 11 | ||
| 12 | #include "mpc85xx.h" | |
| 13 | ||
| 46d026ac DES |
14 | static struct of_device_id __initdata mpc85xx_common_ids[] = { |
| 15 | { .type = "soc", }, | |
| 16 | { .compatible = "soc", }, | |
| 17 | { .compatible = "simple-bus", }, | |
| 18 | { .name = "cpm", }, | |
| 19 | { .name = "localbus", }, | |
| 20 | { .compatible = "gianfar", }, | |
| 21 | { .compatible = "fsl,qe", }, | |
| 22 | { .compatible = "fsl,cpm2", }, | |
| 199bfbe6 | 23 | { .compatible = "fsl,srio", }, |
| 8a95bc8d TT |
24 | /* So that the DMA channel nodes can be probed individually: */ |
| 25 | { .compatible = "fsl,eloplus-dma", }, | |
| 26 | /* For the PMC driver */ | |
| 27 | { .compatible = "fsl,mpc8548-guts", }, | |
| 28 | /* Probably unnecessary? */ | |
| 29 | { .compatible = "gpio-leds", }, | |
| 905e75c4 JH |
30 | /* For all PCI controllers */ |
| 31 | { .compatible = "fsl,mpc8540-pci", }, | |
| 32 | { .compatible = "fsl,mpc8548-pcie", }, | |
| 33 | { .compatible = "fsl,p1022-pcie", }, | |
| 34 | { .compatible = "fsl,p1010-pcie", }, | |
| 35 | { .compatible = "fsl,p1023-pcie", }, | |
| 36 | { .compatible = "fsl,p4080-pcie", }, | |
| 37 | { .compatible = "fsl,qoriq-pcie-v2.4", }, | |
| 38 | { .compatible = "fsl,qoriq-pcie-v2.3", }, | |
| 39 | { .compatible = "fsl,qoriq-pcie-v2.2", }, | |
| 46d026ac DES |
40 | {}, |
| 41 | }; | |
| 42 | ||
| 43 | int __init mpc85xx_common_publish_devices(void) | |
| 44 | { | |
| 45 | return of_platform_bus_probe(NULL, mpc85xx_common_ids, NULL); | |
| 46 | } | |
| 543a07b1 DES |
47 | #ifdef CONFIG_CPM2 |
| 48 | static void cpm2_cascade(unsigned int irq, struct irq_desc *desc) | |
| 49 | { | |
| 50 | struct irq_chip *chip = irq_desc_get_chip(desc); | |
| 51 | int cascade_irq; | |
| 52 | ||
| 53 | while ((cascade_irq = cpm2_get_irq()) >= 0) | |
| 54 | generic_handle_irq(cascade_irq); | |
| 55 | ||
| 56 | chip->irq_eoi(&desc->irq_data); | |
| 57 | } | |
| 58 | ||
| 59 | ||
| 60 | void __init mpc85xx_cpm2_pic_init(void) | |
| 61 | { | |
| 62 | struct device_node *np; | |
| 63 | int irq; | |
| 64 | ||
| 65 | /* Setup CPM2 PIC */ | |
| 66 | np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic"); | |
| 67 | if (np == NULL) { | |
| 68 | printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n"); | |
| 69 | return; | |
| 70 | } | |
| 71 | irq = irq_of_parse_and_map(np, 0); | |
| 72 | if (irq == NO_IRQ) { | |
| 73 | of_node_put(np); | |
| 74 | printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n"); | |
| 75 | return; | |
| 76 | } | |
| 77 | ||
| 78 | cpm2_pic_init(np); | |
| 79 | of_node_put(np); | |
| 80 | irq_set_chained_handler(irq, cpm2_cascade); | |
| 81 | } | |
| 82 | #endif |