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Linux/arch/powerpc/platforms/512x/mpc5121_ads.c

  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         mpc512x_setup_arch();
 47 }
 48 
 49 static void __init mpc5121_ads_init_IRQ(void)
 50 {
 51         mpc512x_init_IRQ();
 52         mpc5121_ads_cpld_pic_init();
 53 }
 54 
 55 /*
 56  * Called very early, MMU is off, device-tree isn't unflattened
 57  */
 58 static int __init mpc5121_ads_probe(void)
 59 {
 60         unsigned long root = of_get_flat_dt_root();
 61 
 62         return of_flat_dt_is_compatible(root, "fsl,mpc5121ads");
 63 }
 64 
 65 define_machine(mpc5121_ads) {
 66         .name                   = "MPC5121 ADS",
 67         .probe                  = mpc5121_ads_probe,
 68         .setup_arch             = mpc5121_ads_setup_arch,
 69         .init                   = mpc512x_init,
 70         .init_early             = mpc512x_init_early,
 71         .init_IRQ               = mpc5121_ads_init_IRQ,
 72         .get_irq                = ipic_get_irq,
 73         .calibrate_decr         = generic_calibrate_decr,
 74         .restart                = mpc512x_restart,
 75 };
 76 

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