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 30 #include "44x.h" 31 32 static __initdata struct of_device_id ebony_of_bus[] = { 33 { .compatible = "ibm,plb4", }, 34 { .compatible = "ibm,opb", }, 35 { .compatible = "ibm,ebc", }, 36 {}, 37 }; 38 39 static int __init ebony_device_probe(void) 40 { 41 of_platform_bus_probe(NULL, ebony_of_bus, NULL); 42 of_instantiate_rtc(); 43 44 return 0; 45 } 46 machine_device_initcall(ebony, ebony_device_probe); 47 48 /* 49 * Called very early, MMU is off, device-tree isn't unflattened 50 */ 51 static int __init ebony_probe(void) 52 { 53 unsigned long root = of_get_flat_dt_root(); 54 55 if (!of_flat_dt_is_compatible(root, "ibm,ebony")) 56 return 0; 57 58 ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC; 59 60 return 1; 61 } 62 63 define_machine(ebony) { 64 .name = "Ebony", 65 .probe = ebony_probe, 66 .progress = udbg_progress, 67 .init_IRQ = uic_init_tree, 68 .get_irq = uic_get_irq, 69 .restart = ppc44x_reset_system, 70 .calibrate_decr = generic_calibrate_decr, 71 }; 72