1 /* 2 * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved. 3 * 4 * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007 5 * 6 * Description: 7 * MPC5121 ADS board setup 8 * 9 * This is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 */ 15 16 #include <linux/kernel.h> 17 #include <linux/io.h> 18 #include <linux/of_platform.h> 19 20 #include <asm/machdep.h> 21 #include <asm/ipic.h> 22 #include <asm/prom.h> 23 #include <asm/time.h> 24 25 #include "mpc512x.h" 26 #include "mpc5121_ads.h" 27 28 static void __init mpc5121_ads_setup_arch(void) 29 { 30 printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n"); 31 /* 32 * cpld regs are needed early 33 */ 34 mpc5121_ads_cpld_map(); 35 } 36 37 static void __init mpc5121_ads_init_IRQ(void) 38 { 39 mpc512x_init_IRQ(); 40 mpc5121_ads_cpld_pic_init(); 41 } 42 43 /* 44 * Called very early, MMU is off, device-tree isn't unflattened 45 */ 46 static int __init mpc5121_ads_probe(void) 47 { 48 unsigned long root = of_get_flat_dt_root(); 49 50 return of_flat_dt_is_compatible(root, "fsl,mpc5121ads"); 51 } 52 53 define_machine(mpc5121_ads) { 54 .name = "MPC5121 ADS", 55 .probe = mpc5121_ads_probe, 56 .setup_arch = mpc5121_ads_setup_arch, 57 .init = mpc512x_declare_of_platform_devices, 58 .init_IRQ = mpc5121_ads_init_IRQ, 59 .get_irq = ipic_get_irq, 60 .calibrate_decr = generic_calibrate_decr, 61 }; 62