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 ppc_pci_set_flags(PPC_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