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Linux/arch/powerpc/platforms/44x/ebony.c

  1 /*
  2  * Ebony board specific routines
  3  *
  4  * Matt Porter <mporter@kernel.crashing.org>
  5  * Copyright 2002-2005 MontaVista Software Inc.
  6  *
  7  * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
  8  * Copyright (c) 2003-2005 Zultys Technologies
  9  *
 10  * Rewritten and ported to the merged powerpc tree:
 11  * Copyright 2007 David Gibson <dwg@au1.ibm.com>, IBM Corporation.
 12  *
 13  * This program is free software; you can redistribute  it and/or modify it
 14  * under  the terms of  the GNU General  Public License as published by the
 15  * Free Software Foundation;  either version 2 of the  License, or (at your
 16  * option) any later version.
 17  */
 18 
 19 #include <linux/init.h>
 20 #include <linux/of_platform.h>
 21 #include <linux/rtc.h>
 22 
 23 #include <asm/machdep.h>
 24 #include <asm/prom.h>
 25 #include <asm/udbg.h>
 26 #include <asm/time.h>
 27 #include <asm/uic.h>
 28 #include <asm/pci-bridge.h>
 29 #include <asm/ppc4xx.h>
 30 
 31 static __initdata struct of_device_id ebony_of_bus[] = {
 32         { .compatible = "ibm,plb4", },
 33         { .compatible = "ibm,opb", },
 34         { .compatible = "ibm,ebc", },
 35         {},
 36 };
 37 
 38 static int __init ebony_device_probe(void)
 39 {
 40         of_platform_bus_probe(NULL, ebony_of_bus, NULL);
 41         of_instantiate_rtc();
 42 
 43         return 0;
 44 }
 45 machine_device_initcall(ebony, ebony_device_probe);
 46 
 47 /*
 48  * Called very early, MMU is off, device-tree isn't unflattened
 49  */
 50 static int __init ebony_probe(void)
 51 {
 52         unsigned long root = of_get_flat_dt_root();
 53 
 54         if (!of_flat_dt_is_compatible(root, "ibm,ebony"))
 55                 return 0;
 56 
 57         pci_set_flags(PCI_REASSIGN_ALL_RSRC);
 58 
 59         return 1;
 60 }
 61 
 62 define_machine(ebony) {
 63         .name                   = "Ebony",
 64         .probe                  = ebony_probe,
 65         .progress               = udbg_progress,
 66         .init_IRQ               = uic_init_tree,
 67         .get_irq                = uic_get_irq,
 68         .restart                = ppc4xx_reset_system,
 69         .calibrate_decr         = generic_calibrate_decr,
 70 };
 71 

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