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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | /* * MPC8536 DS Board Setup * * Copyright 2008 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include <linux/stddef.h> #include <linux/kernel.h> #include <linux/pci.h> #include <linux/kdev_t.h> #include <linux/delay.h> #include <linux/seq_file.h> #include <linux/interrupt.h> #include <linux/of_platform.h> #include <asm/system.h> #include <asm/time.h> #include <asm/machdep.h> #include <asm/pci-bridge.h> #include <mm/mmu_decl.h> #include <asm/prom.h> #include <asm/udbg.h> #include <asm/mpic.h> #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> void __init mpc8536_ds_pic_init(void) { struct mpic *mpic; struct resource r; struct device_node *np; np = of_find_node_by_type(NULL, "open-pic"); if (np == NULL) { printk(KERN_ERR "Could not find open-pic node\n"); return; } if (of_address_to_resource(np, 0, &r)) { printk(KERN_ERR "Failed to map mpic register space\n"); of_node_put(np); return; } mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); of_node_put(np); mpic_init(mpic); } /* * Setup the architecture */ static void __init mpc8536_ds_setup_arch(void) { #ifdef CONFIG_PCI struct device_node *np; #endif if (ppc_md.progress) ppc_md.progress("mpc8536_ds_setup_arch()", 0); #ifdef CONFIG_PCI for_each_node_by_type(np, "pci") { if (of_device_is_compatible(np, "fsl,mpc8540-pci") || of_device_is_compatible(np, "fsl,mpc8548-pcie")) { struct resource rsrc; of_address_to_resource(np, 0, &rsrc); if ((rsrc.start & 0xfffff) == 0x8000) fsl_add_bridge(np, 1); else fsl_add_bridge(np, 0); } } #endif printk("MPC8536 DS board from Freescale Semiconductor\n"); } static struct of_device_id __initdata mpc8536_ds_ids[] = { { .type = "soc", }, { .compatible = "soc", }, { .compatible = "simple-bus", }, { .compatible = "gianfar", }, {}, }; static int __init mpc8536_ds_publish_devices(void) { return of_platform_bus_probe(NULL, mpc8536_ds_ids, NULL); } machine_device_initcall(mpc8536_ds, mpc8536_ds_publish_devices); /* * Called very early, device-tree isn't unflattened */ static int __init mpc8536_ds_probe(void) { unsigned long root = of_get_flat_dt_root(); return of_flat_dt_is_compatible(root, "fsl,mpc8536ds"); } define_machine(mpc8536_ds) { .name = "MPC8536 DS", .probe = mpc8536_ds_probe, .setup_arch = mpc8536_ds_setup_arch, .init_IRQ = mpc8536_ds_pic_init, #ifdef CONFIG_PCI .pcibios_fixup_bus = fsl_pcibios_fixup_bus, #endif .get_irq = mpic_get_irq, .restart = fsl_rstcr_restart, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, }; |