target/linux/mpc85xx/files/arch/powerpc/platforms/85xx/firebox_t10.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 /*
   4  * Watchguard Firebox T10 Board Setup
   5  *
   6  * Copyright (C) 2023 David Bauer <mail@david-bauer.net>
   7  *
   8  * Based on:
   9  *   p1010rdb.c:
  10  *      P1010 RDB Board Setup
  11  *      Copyright 2011 Freescale Semiconductor Inc.
  12  *
  13  * This program is free software; you can redistribute  it and/or modify it
  14  * under  the terms of  the GNU General  Public License as published by the
  15  * Free Software Foundation;  either version 2 of the  License, or (at your
  16  * option) any later version.
  17  */
  18
  19 #include <linux/stddef.h>
  20 #include <linux/kernel.h>
  21 #include <linux/delay.h>
  22 #include <linux/interrupt.h>
  23 #include <linux/of_platform.h>
  24
  25 #include <asm/time.h>
  26 #include <asm/machdep.h>
  27 #include <asm/pci-bridge.h>
  28 #include <mm/mmu_decl.h>
  29 #include <asm/prom.h>
  30 #include <asm/udbg.h>
  31 #include <asm/mpic.h>
  32
  33 #include <sysdev/fsl_soc.h>
  34 #include <sysdev/fsl_pci.h>
  35
  36 #include "mpc85xx.h"
  37
  38 void __init firebox_t10_pic_init(void)
  39 {
  40         struct mpic *mpic;
  41
  42         mpic = mpic_alloc(NULL, 0,
  43           MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU,
  44           0, 256, " OpenPIC  ");
  45
  46         BUG_ON(mpic == NULL);
  47         mpic_init(mpic);
  48 }
  49
  50 /*
  51  * Setup the architecture
  52  */
  53 static void __init firebox_t10_setup_arch(void)
  54 {
  55         if (ppc_md.progress)
  56                 ppc_md.progress("firebox_t10_setup_arch()", 0);
  57
  58         fsl_pci_assign_primary();
  59
  60         pr_info("Firebox T10 from Watchguard\n");
  61 }
  62
  63 machine_arch_initcall(firebox_t10, mpc85xx_common_publish_devices);
  64
  65 /*
  66  * Called very early, device-tree isn't unflattened
  67  */
  68 static int __init firebox_t10_probe(void)
  69 {
  70         if (of_machine_is_compatible("watchguard,firebox-t10"))
  71                 return 1;
  72         return 0;
  73 }
  74
  75 define_machine(firebox_t10) {
  76         .name                   = "P1010 RDB",
  77         .probe                  = firebox_t10_probe,
  78         .setup_arch             = firebox_t10_setup_arch,
  79         .init_IRQ               = firebox_t10_pic_init,
  80 #ifdef CONFIG_PCI
  81         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
  82         .pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
  83 #endif
  84         .get_irq                = mpic_get_irq,
  85         .calibrate_decr         = generic_calibrate_decr,
  86         .progress               = udbg_progress,
  87 };