projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 23308c54 MB |
1 | /* |
| 2 | * arch/powerpc/platforms/83xx/mpc832x_rdb.c | |
| 3 | * | |
| 4 | * Copyright (C) Freescale Semiconductor, Inc. 2007. All rights reserved. | |
| 5 | * | |
| 6 | * Description: | |
| 7 | * MPC832x RDB board specific routines. | |
| 8 | * This file is based on mpc832x_mds.c and mpc8313_rdb.c | |
| 9 | * Author: Michael Barkowski <michael.barkowski@freescale.com> | |
| 10 | * | |
| 11 | * This program is free software; you can redistribute it and/or modify it | |
| 12 | * under the terms of the GNU General Public License as published by the | |
| 13 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 14 | * option) any later version. | |
| 15 | */ | |
| 16 | ||
| 17 | #include <linux/pci.h> | |
| 18 | ||
| 19 | #include <asm/of_platform.h> | |
| 20 | #include <asm/time.h> | |
| 21 | #include <asm/ipic.h> | |
| 22 | #include <asm/udbg.h> | |
| 23 | #include <asm/qe.h> | |
| 24 | #include <asm/qe_ic.h> | |
| 25 | ||
| 26 | #include "mpc83xx.h" | |
| 27 | ||
| 28 | #undef DEBUG | |
| 29 | #ifdef DEBUG | |
| 30 | #define DBG(fmt...) udbg_printf(fmt) | |
| 31 | #else | |
| 32 | #define DBG(fmt...) | |
| 33 | #endif | |
| 34 | ||
| 23308c54 MB |
35 | /* ************************************************************************ |
| 36 | * | |
| 37 | * Setup the architecture | |
| 38 | * | |
| 39 | */ | |
| 40 | static void __init mpc832x_rdb_setup_arch(void) | |
| 41 | { | |
| c9ec87e5 | 42 | #if defined(CONFIG_PCI) || defined(CONFIG_QUICC_ENGINE) |
| 23308c54 | 43 | struct device_node *np; |
| c9ec87e5 | 44 | #endif |
| 23308c54 MB |
45 | |
| 46 | if (ppc_md.progress) | |
| 47 | ppc_md.progress("mpc832x_rdb_setup_arch()", 0); | |
| 48 | ||
| 49 | #ifdef CONFIG_PCI | |
| 50 | for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) | |
| 09b55f76 | 51 | mpc83xx_add_bridge(np); |
| 23308c54 MB |
52 | |
| 53 | ppc_md.pci_exclude_device = mpc83xx_exclude_device; | |
| 54 | #endif | |
| 55 | ||
| 56 | #ifdef CONFIG_QUICC_ENGINE | |
| 57 | qe_reset(); | |
| 58 | ||
| 59 | if ((np = of_find_node_by_name(np, "par_io")) != NULL) { | |
| 60 | par_io_init(np); | |
| 61 | of_node_put(np); | |
| 62 | ||
| 63 | for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;) | |
| 64 | par_io_of_config(np); | |
| 65 | } | |
| 66 | #endif /* CONFIG_QUICC_ENGINE */ | |
| 67 | } | |
| 68 | ||
| 69 | static struct of_device_id mpc832x_ids[] = { | |
| 70 | { .type = "soc", }, | |
| 71 | { .compatible = "soc", }, | |
| 72 | { .type = "qe", }, | |
| 3baee955 | 73 | { .type = "mdio", }, |
| 23308c54 MB |
74 | {}, |
| 75 | }; | |
| 76 | ||
| 77 | static int __init mpc832x_declare_of_platform_devices(void) | |
| 78 | { | |
| 79 | if (!machine_is(mpc832x_rdb)) | |
| 80 | return 0; | |
| 81 | ||
| 82 | /* Publish the QE devices */ | |
| 83 | of_platform_bus_probe(NULL, mpc832x_ids, NULL); | |
| 84 | ||
| 85 | return 0; | |
| 86 | } | |
| 87 | device_initcall(mpc832x_declare_of_platform_devices); | |
| 88 | ||
| 89 | void __init mpc832x_rdb_init_IRQ(void) | |
| 90 | { | |
| 91 | ||
| 92 | struct device_node *np; | |
| 93 | ||
| 94 | np = of_find_node_by_type(NULL, "ipic"); | |
| 95 | if (!np) | |
| 96 | return; | |
| 97 | ||
| 98 | ipic_init(np, 0); | |
| 99 | ||
| 100 | /* Initialize the default interrupt mapping priorities, | |
| 101 | * in case the boot rom changed something on us. | |
| 102 | */ | |
| 103 | ipic_set_default_priority(); | |
| 104 | of_node_put(np); | |
| 105 | ||
| 106 | #ifdef CONFIG_QUICC_ENGINE | |
| 107 | np = of_find_node_by_type(NULL, "qeic"); | |
| 108 | if (!np) | |
| 109 | return; | |
| 110 | ||
| 111 | qe_ic_init(np, 0); | |
| 112 | of_node_put(np); | |
| 113 | #endif /* CONFIG_QUICC_ENGINE */ | |
| 114 | } | |
| 115 | ||
| 116 | /* | |
| 117 | * Called very early, MMU is off, device-tree isn't unflattened | |
| 118 | */ | |
| 119 | static int __init mpc832x_rdb_probe(void) | |
| 120 | { | |
| 121 | unsigned long root = of_get_flat_dt_root(); | |
| 122 | ||
| 123 | return of_flat_dt_is_compatible(root, "MPC832xRDB"); | |
| 124 | } | |
| 125 | ||
| 126 | define_machine(mpc832x_rdb) { | |
| 127 | .name = "MPC832x RDB", | |
| 128 | .probe = mpc832x_rdb_probe, | |
| 129 | .setup_arch = mpc832x_rdb_setup_arch, | |
| 130 | .init_IRQ = mpc832x_rdb_init_IRQ, | |
| 131 | .get_irq = ipic_get_irq, | |
| 132 | .restart = mpc83xx_restart, | |
| 133 | .time_init = mpc83xx_time_init, | |
| 134 | .calibrate_decr = generic_calibrate_decr, | |
| 135 | .progress = udbg_progress, | |
| 136 | }; |