projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| fb8e3e1f PA |
1 | /* |
| 2 | * MPC85xx RDB Board Setup | |
| 3 | * | |
| 4 | * Copyright 2009 Freescale Semiconductor Inc. | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify it | |
| 7 | * under the terms of the GNU General Public License as published by the | |
| 8 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 9 | * option) any later version. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/stddef.h> | |
| 13 | #include <linux/kernel.h> | |
| 14 | #include <linux/pci.h> | |
| 15 | #include <linux/kdev_t.h> | |
| 16 | #include <linux/delay.h> | |
| 17 | #include <linux/seq_file.h> | |
| 18 | #include <linux/interrupt.h> | |
| 19 | #include <linux/of_platform.h> | |
| 20 | ||
| 21 | #include <asm/system.h> | |
| 22 | #include <asm/time.h> | |
| 23 | #include <asm/machdep.h> | |
| 24 | #include <asm/pci-bridge.h> | |
| 25 | #include <mm/mmu_decl.h> | |
| 26 | #include <asm/prom.h> | |
| 27 | #include <asm/udbg.h> | |
| 28 | #include <asm/mpic.h> | |
| 29 | ||
| 30 | #include <sysdev/fsl_soc.h> | |
| 31 | #include <sysdev/fsl_pci.h> | |
| 32 | ||
| 33 | #undef DEBUG | |
| 34 | ||
| 35 | #ifdef DEBUG | |
| 36 | #define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args) | |
| 37 | #else | |
| 38 | #define DBG(fmt, args...) | |
| 39 | #endif | |
| 40 | ||
| 41 | ||
| 42 | void __init mpc85xx_rdb_pic_init(void) | |
| 43 | { | |
| 44 | struct mpic *mpic; | |
| 45 | struct resource r; | |
| 46 | struct device_node *np; | |
| 47 | ||
| 48 | np = of_find_node_by_type(NULL, "open-pic"); | |
| 49 | if (np == NULL) { | |
| 50 | printk(KERN_ERR "Could not find open-pic node\n"); | |
| 51 | return; | |
| 52 | } | |
| 53 | ||
| 54 | if (of_address_to_resource(np, 0, &r)) { | |
| 55 | printk(KERN_ERR "Failed to map mpic register space\n"); | |
| 56 | of_node_put(np); | |
| 57 | return; | |
| 58 | } | |
| 59 | ||
| 60 | mpic = mpic_alloc(np, r.start, | |
| 61 | MPIC_PRIMARY | MPIC_WANTS_RESET | | |
| 62 | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | | |
| 63 | MPIC_SINGLE_DEST_CPU, | |
| 64 | 0, 256, " OpenPIC "); | |
| 65 | ||
| 66 | BUG_ON(mpic == NULL); | |
| 67 | of_node_put(np); | |
| 68 | ||
| 69 | mpic_init(mpic); | |
| 70 | ||
| 71 | } | |
| 72 | ||
| 73 | /* | |
| 74 | * Setup the architecture | |
| 75 | */ | |
| 76 | #ifdef CONFIG_SMP | |
| 77 | extern void __init mpc85xx_smp_init(void); | |
| 78 | #endif | |
| 79 | static void __init mpc85xx_rdb_setup_arch(void) | |
| 80 | { | |
| 81 | #ifdef CONFIG_PCI | |
| 82 | struct device_node *np; | |
| 83 | #endif | |
| 84 | ||
| 85 | if (ppc_md.progress) | |
| 86 | ppc_md.progress("mpc85xx_rdb_setup_arch()", 0); | |
| 87 | ||
| 88 | #ifdef CONFIG_PCI | |
| 89 | for_each_node_by_type(np, "pci") { | |
| 90 | if (of_device_is_compatible(np, "fsl,mpc8548-pcie")) | |
| 91 | fsl_add_bridge(np, 0); | |
| 92 | } | |
| 93 | ||
| 94 | #endif | |
| 95 | ||
| 96 | #ifdef CONFIG_SMP | |
| 97 | mpc85xx_smp_init(); | |
| 98 | #endif | |
| 99 | ||
| 100 | printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n"); | |
| 101 | } | |
| 102 | ||
| 103 | static struct of_device_id __initdata mpc85xxrdb_ids[] = { | |
| 104 | { .type = "soc", }, | |
| 105 | { .compatible = "soc", }, | |
| 106 | { .compatible = "simple-bus", }, | |
| 107 | { .compatible = "gianfar", }, | |
| 108 | {}, | |
| 109 | }; | |
| 110 | ||
| 111 | static int __init mpc85xxrdb_publish_devices(void) | |
| 112 | { | |
| 113 | return of_platform_bus_probe(NULL, mpc85xxrdb_ids, NULL); | |
| 114 | } | |
| 115 | machine_device_initcall(p2020_rdb, mpc85xxrdb_publish_devices); | |
| 116 | ||
| 117 | /* | |
| 118 | * Called very early, device-tree isn't unflattened | |
| 119 | */ | |
| 120 | static int __init p2020_rdb_probe(void) | |
| 121 | { | |
| 122 | unsigned long root = of_get_flat_dt_root(); | |
| 123 | ||
| 124 | if (of_flat_dt_is_compatible(root, "fsl,P2020RDB")) | |
| 125 | return 1; | |
| 126 | return 0; | |
| 127 | } | |
| 128 | ||
| 129 | define_machine(p2020_rdb) { | |
| 130 | .name = "P2020 RDB", | |
| 131 | .probe = p2020_rdb_probe, | |
| 132 | .setup_arch = mpc85xx_rdb_setup_arch, | |
| 133 | .init_IRQ = mpc85xx_rdb_pic_init, | |
| 134 | #ifdef CONFIG_PCI | |
| 135 | .pcibios_fixup_bus = fsl_pcibios_fixup_bus, | |
| 136 | #endif | |
| 137 | .get_irq = mpic_get_irq, | |
| 138 | .restart = fsl_rstcr_restart, | |
| 139 | .calibrate_decr = generic_calibrate_decr, | |
| 140 | .progress = udbg_progress, | |
| 141 | }; |