arch/powerpc/platforms/512x/mpc512x_generic.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>
   6  *
   7  * Description:
   8  * MPC512x SoC setup
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/of_platform.h>
  13
  14 #include <asm/machdep.h>
  15 #include <asm/ipic.h>
  16 #include <asm/prom.h>
  17 #include <asm/time.h>
  18
  19 #include "mpc512x.h"
  20
  21 /*
  22  * list of supported boards
  23  */
  24 static const char * const board[] __initconst = {
  25         "prt,prtlvt",
  26         "fsl,mpc5125ads",
  27         "ifm,ac14xx",
  28         NULL
  29 };
  30
  31 /*
  32  * Called very early, MMU is off, device-tree isn't unflattened
  33  */
  34 static int __init mpc512x_generic_probe(void)
  35 {
  36         if (!of_device_compatible_match(of_root, board))
  37                 return 0;
  38
  39         mpc512x_init_early();
  40
  41         return 1;
  42 }
  43
  44 define_machine(mpc512x_generic) {
  45         .name                   = "MPC512x generic",
  46         .probe                  = mpc512x_generic_probe,
  47         .init                   = mpc512x_init,
  48         .setup_arch             = mpc512x_setup_arch,
  49         .init_IRQ               = mpc512x_init_IRQ,
  50         .get_irq                = ipic_get_irq,
  51         .calibrate_decr         = generic_calibrate_decr,
  52         .restart                = mpc512x_restart,
  53 };