/* * Architecture- / platform-specific boot-time initialization code for * IBM PowerPC 4xx based boards. Adapted from original * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek * <dan@net4x.com>. * * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu> * * Rewritten and ported to the merged powerpc tree: * Copyright 2007 IBM Corporation * Josh Boyer <jwboyer@linux.vnet.ibm.com> * * 2002 (c) MontaVista, Software, Inc. This file is licensed under * the terms of the GNU General Public License version 2. This program * is licensed "as is" without any warranty of any kind, whether express * or implied. */ #include <linux/init.h> #include <linux/of_platform.h> #include <asm/machdep.h> #include <asm/prom.h> #include <asm/udbg.h> #include <asm/time.h> #include <asm/uic.h> #include <asm/ppc4xx.h> static __initdata struct of_device_id hcu4_of_bus[] = { { .compatible = "ibm,plb3", }, { .compatible = "ibm,opb", }, { .compatible = "ibm,ebc", }, {}, }; static int __init hcu4_device_probe(void) { of_platform_bus_probe(NULL, hcu4_of_bus, NULL); return 0; } machine_device_initcall(hcu4, hcu4_device_probe); static int __init hcu4_probe(void) { unsigned long root = of_get_flat_dt_root(); if (!of_flat_dt_is_compatible(root, "netstal,hcu4")) return 0; return 1; } define_machine(hcu4) { .name = "HCU4", .probe = hcu4_probe, .progress = udbg_progress, .init_IRQ = uic_init_tree, .get_irq = uic_get_irq, .restart = ppc4xx_reset_system, .calibrate_decr = generic_calibrate_decr, };