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.h>
  14
  15 #include <asm/machdep.h>
  16 #include <asm/ipic.h>
  17 #include <asm/time.h>
  18
  19 #include <sysdev/fsl_pci.h>
  20
  21 #include "mpc512x.h"
  22 #include "mpc5121_ads.h"
  23
  24 static void __init mpc5121_ads_setup_arch(void)
  25 {
  26         printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n");
  27         /*
  28          * cpld regs are needed early
  29          */
  30         mpc5121_ads_cpld_map();
  31
  32         mpc512x_setup_arch();
  33 }
  34
  35 static void __init mpc5121_ads_setup_pci(void)
  36 {
  37 #ifdef CONFIG_PCI
  38         struct device_node *np;
  39
  40         for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
  41                 mpc83xx_add_bridge(np);
  42 #endif
  43 }
  44
  45 static void __init mpc5121_ads_init_IRQ(void)
  46 {
  47         mpc512x_init_IRQ();
  48         mpc5121_ads_cpld_pic_init();
  49 }
  50
  51 /*
  52  * Called very early, MMU is off, device-tree isn't unflattened
  53  */
  54 static int __init mpc5121_ads_probe(void)
  55 {
  56         mpc512x_init_early();
  57
  58         return 1;
  59 }
  60
  61 define_machine(mpc5121_ads) {
  62         .name                   = "MPC5121 ADS",
  63         .compatible             = "fsl,mpc5121ads",
  64         .probe                  = mpc5121_ads_probe,
  65         .setup_arch             = mpc5121_ads_setup_arch,
  66         .discover_phbs          = mpc5121_ads_setup_pci,
  67         .init                   = mpc512x_init,
  68         .init_IRQ               = mpc5121_ads_init_IRQ,
  69         .get_irq                = ipic_get_irq,
  70         .restart                = mpc512x_restart,
  71 };