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 <sysdev/fsl_pci.h> 26 27 #include "mpc512x.h" 28 #include "mpc5121_ads.h" 29 30 static void __init mpc5121_ads_setup_arch(void) 31 { 32 #ifdef CONFIG_PCI 33 struct device_node *np; 34 #endif 35 printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n"); 36 /* 37 * cpld regs are needed early 38 */ 39 mpc5121_ads_cpld_map(); 40 41 #ifdef CONFIG_PCI 42 for_each_compatible_node(np, "pci", "fsl,mpc5121-pci") 43 mpc83xx_add_bridge(np); 44 #endif 45 46 #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) 47 mpc512x_setup_diu(); 48 #endif 49 } 50 51 static void __init mpc5121_ads_init_IRQ(void) 52 { 53 mpc512x_init_IRQ(); 54 mpc5121_ads_cpld_pic_init(); 55 } 56 57 /* 58 * Called very early, MMU is off, device-tree isn't unflattened 59 */ 60 static int __init mpc5121_ads_probe(void) 61 { 62 unsigned long root = of_get_flat_dt_root(); 63 64 return of_flat_dt_is_compatible(root, "fsl,mpc5121ads"); 65 } 66 67 define_machine(mpc5121_ads) { 68 .name = "MPC5121 ADS", 69 .probe = mpc5121_ads_probe, 70 .setup_arch = mpc5121_ads_setup_arch, 71 .init = mpc512x_init, 72 .init_early = mpc512x_init_diu, 73 .init_IRQ = mpc5121_ads_init_IRQ, 74 .get_irq = ipic_get_irq, 75 .calibrate_decr = generic_calibrate_decr, 76 .restart = mpc512x_restart, 77 }; 78