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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2007, 2008 Freescale Semiconductor, Inc. All rights reserved.
   4  *
   5  * Author: John Rigby, <jrigby@freescale.com>, Thur Mar 29 2007
   6  *
   7  * Description:
   8  * MPC5121 ADS board setup
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/io.h>
  13 #include <linux/of_platform.h>
  14
  15 #include <asm/machdep.h>
  16 #include <asm/ipic.h>
  17 #include <asm/prom.h>
  18 #include <asm/time.h>
  19
  20 #include <sysdev/fsl_pci.h>
  21
  22 #include "mpc512x.h"
  23 #include "mpc5121_ads.h"
  24
  25 static void __init mpc5121_ads_setup_arch(void)
  26 {
  27         printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n");
  28         /*
  29          * cpld regs are needed early
  30          */
  31         mpc5121_ads_cpld_map();
  32
  33         mpc512x_setup_arch();
  34 }
  35
  36 static void __init mpc5121_ads_setup_pci(void)
  37 {
  38 #ifdef CONFIG_PCI
  39         struct device_node *np;
  40
  41         for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
  42                 mpc83xx_add_bridge(np);
  43 #endif
  44 }
  45
  46 static void __init mpc5121_ads_init_IRQ(void)
  47 {
  48         mpc512x_init_IRQ();
  49         mpc5121_ads_cpld_pic_init();
  50 }
  51
  52 /*
  53  * Called very early, MMU is off, device-tree isn't unflattened
  54  */
  55 static int __init mpc5121_ads_probe(void)
  56 {
  57         if (!of_machine_is_compatible("fsl,mpc5121ads"))
  58                 return 0;
  59
  60         mpc512x_init_early();
  61
  62         return 1;
  63 }
  64
  65 define_machine(mpc5121_ads) {
  66         .name                   = "MPC5121 ADS",
  67         .probe                  = mpc5121_ads_probe,
  68         .setup_arch             = mpc5121_ads_setup_arch,
  69         .discover_phbs          = mpc5121_ads_setup_pci,
  70         .init                   = mpc512x_init,
  71         .init_IRQ               = mpc5121_ads_init_IRQ,
  72         .get_irq                = ipic_get_irq,
  73         .calibrate_decr         = generic_calibrate_decr,
  74         .restart                = mpc512x_restart,
  75 };