Kim Phillips | 38f66f9 | 2008-01-24 20:47:11 -0600 | [diff] [blame] | 1 | /* |
| 2 | * arch/powerpc/platforms/83xx/mpc837x_rdb.c |
| 3 | * |
| 4 | * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved. |
| 5 | * |
| 6 | * MPC837x RDB board specific routines |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/pci.h> |
| 15 | #include <linux/of_platform.h> |
| 16 | |
| 17 | #include <asm/time.h> |
| 18 | #include <asm/ipic.h> |
| 19 | #include <asm/udbg.h> |
| 20 | |
| 21 | #include "mpc83xx.h" |
| 22 | |
| 23 | extern int mpc837x_usb_cfg(void); |
| 24 | |
| 25 | /* ************************************************************************ |
| 26 | * |
| 27 | * Setup the architecture |
| 28 | * |
| 29 | */ |
| 30 | static void __init mpc837x_rdb_setup_arch(void) |
| 31 | { |
| 32 | #ifdef CONFIG_PCI |
| 33 | struct device_node *np; |
| 34 | #endif |
| 35 | |
| 36 | if (ppc_md.progress) |
| 37 | ppc_md.progress("mpc837x_rdb_setup_arch()", 0); |
| 38 | |
| 39 | #ifdef CONFIG_PCI |
| 40 | for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") |
| 41 | mpc83xx_add_bridge(np); |
| 42 | #endif |
| 43 | mpc837x_usb_cfg(); |
| 44 | } |
| 45 | |
| 46 | static struct of_device_id mpc837x_ids[] = { |
| 47 | { .type = "soc", }, |
| 48 | { .compatible = "soc", }, |
| 49 | {}, |
| 50 | }; |
| 51 | |
| 52 | static int __init mpc837x_declare_of_platform_devices(void) |
| 53 | { |
| 54 | /* Publish of_device */ |
| 55 | of_platform_bus_probe(NULL, mpc837x_ids, NULL); |
| 56 | |
| 57 | return 0; |
| 58 | } |
| 59 | machine_device_initcall(mpc837x_rdb, mpc837x_declare_of_platform_devices); |
| 60 | |
| 61 | static void __init mpc837x_rdb_init_IRQ(void) |
| 62 | { |
| 63 | struct device_node *np; |
| 64 | |
| 65 | np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); |
| 66 | if (!np) |
| 67 | return; |
| 68 | |
| 69 | ipic_init(np, 0); |
| 70 | |
| 71 | /* Initialize the default interrupt mapping priorities, |
| 72 | * in case the boot rom changed something on us. |
| 73 | */ |
| 74 | ipic_set_default_priority(); |
| 75 | } |
| 76 | |
| 77 | /* |
| 78 | * Called very early, MMU is off, device-tree isn't unflattened |
| 79 | */ |
| 80 | static int __init mpc837x_rdb_probe(void) |
| 81 | { |
| 82 | unsigned long root = of_get_flat_dt_root(); |
| 83 | |
| 84 | return of_flat_dt_is_compatible(root, "fsl,mpc8377rdb") || |
| 85 | of_flat_dt_is_compatible(root, "fsl,mpc8378rdb") || |
| 86 | of_flat_dt_is_compatible(root, "fsl,mpc8379rdb"); |
| 87 | } |
| 88 | |
| 89 | define_machine(mpc837x_rdb) { |
| 90 | .name = "MPC837x RDB", |
| 91 | .probe = mpc837x_rdb_probe, |
| 92 | .setup_arch = mpc837x_rdb_setup_arch, |
| 93 | .init_IRQ = mpc837x_rdb_init_IRQ, |
| 94 | .get_irq = ipic_get_irq, |
| 95 | .restart = mpc83xx_restart, |
| 96 | .time_init = mpc83xx_time_init, |
| 97 | .calibrate_decr = generic_calibrate_decr, |
| 98 | .progress = udbg_progress, |
| 99 | }; |