1/* 2 * arch/powerpc/platforms/83xx/mpc8313_rdb.c 3 * 4 * Description: MPC8313x RDB board specific routines. 5 * This file is based on mpc834x_sys.c 6 * Author: Lo Wlison <r43300@freescale.com> 7 * 8 * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved. 9 * 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the 12 * Free Software Foundation; either version 2 of the License, or (at your 13 * option) any later version. 14 */ 15 16#include <linux/pci.h> 17 18#include <asm/time.h> 19#include <asm/ipic.h> 20#include <asm/udbg.h> 21 22#include "mpc83xx.h" 23 24#undef DEBUG 25#ifdef DEBUG 26#define DBG(fmt...) udbg_printf(fmt) 27#else 28#define DBG(fmt...) 29#endif 30 31#ifndef CONFIG_PCI 32unsigned long isa_io_base = 0; 33unsigned long isa_mem_base = 0; 34#endif 35 36/* ************************************************************************ 37 * 38 * Setup the architecture 39 * 40 */ 41static void __init mpc8313_rdb_setup_arch(void) 42{ 43#ifdef CONFIG_PCI 44 struct device_node *np; 45#endif 46 47 if (ppc_md.progress) 48 ppc_md.progress("mpc8313_rdb_setup_arch()", 0); 49 50#ifdef CONFIG_PCI 51 for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) 52 add_bridge(np); 53 54 ppc_md.pci_exclude_device = mpc83xx_exclude_device; 55#endif 56} 57 58void __init mpc8313_rdb_init_IRQ(void) 59{ 60 struct device_node *np; 61 62 np = of_find_node_by_type(NULL, "ipic"); 63 if (!np) 64 return; 65 66 ipic_init(np, 0); 67 68 /* Initialize the default interrupt mapping priorities, 69 * in case the boot rom changed something on us. 70 */ 71 ipic_set_default_priority(); 72} 73 74/* 75 * Called very early, MMU is off, device-tree isn't unflattened 76 */ 77static int __init mpc8313_rdb_probe(void) 78{ 79 unsigned long root = of_get_flat_dt_root(); 80 81 return of_flat_dt_is_compatible(root, "MPC8313ERDB"); 82} 83 84define_machine(mpc8313_rdb) { 85 .name = "MPC8313 RDB", 86 .probe = mpc8313_rdb_probe, 87 .setup_arch = mpc8313_rdb_setup_arch, 88 .init_IRQ = mpc8313_rdb_init_IRQ, 89 .get_irq = ipic_get_irq, 90 .restart = mpc83xx_restart, 91 .time_init = mpc83xx_time_init, 92 .calibrate_decr = generic_calibrate_decr, 93 .progress = udbg_progress, 94}; 95