arch/powerpc/platforms/85xx/mpc8536_ds.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * MPC8536 DS Board Setup
   4  *
   5  * Copyright 2008 Freescale Semiconductor, Inc.
   6  */
   7
   8 #include <linux/stddef.h>
   9 #include <linux/kernel.h>
  10 #include <linux/pci.h>
  11 #include <linux/kdev_t.h>
  12 #include <linux/delay.h>
  13 #include <linux/seq_file.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/of_platform.h>
  16
  17 #include <asm/time.h>
  18 #include <asm/machdep.h>
  19 #include <asm/pci-bridge.h>
  20 #include <mm/mmu_decl.h>
  21 #include <asm/prom.h>
  22 #include <asm/udbg.h>
  23 #include <asm/mpic.h>
  24 #include <asm/swiotlb.h>
  25
  26 #include <sysdev/fsl_soc.h>
  27 #include <sysdev/fsl_pci.h>
  28
  29 #include "mpc85xx.h"
  30
  31 void __init mpc8536_ds_pic_init(void)
  32 {
  33         struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
  34                         0, 256, " OpenPIC  ");
  35         BUG_ON(mpic == NULL);
  36         mpic_init(mpic);
  37 }
  38
  39 /*
  40  * Setup the architecture
  41  */
  42 static void __init mpc8536_ds_setup_arch(void)
  43 {
  44         if (ppc_md.progress)
  45                 ppc_md.progress("mpc8536_ds_setup_arch()", 0);
  46
  47         fsl_pci_assign_primary();
  48
  49         swiotlb_detect_4g();
  50
  51         printk("MPC8536 DS board from Freescale Semiconductor\n");
  52 }
  53
  54 machine_arch_initcall(mpc8536_ds, mpc85xx_common_publish_devices);
  55
  56 /*
  57  * Called very early, device-tree isn't unflattened
  58  */
  59 static int __init mpc8536_ds_probe(void)
  60 {
  61         return of_machine_is_compatible("fsl,mpc8536ds");
  62 }
  63
  64 define_machine(mpc8536_ds) {
  65         .name                   = "MPC8536 DS",
  66         .probe                  = mpc8536_ds_probe,
  67         .setup_arch             = mpc8536_ds_setup_arch,
  68         .init_IRQ               = mpc8536_ds_pic_init,
  69 #ifdef CONFIG_PCI
  70         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
  71         .pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
  72 #endif
  73         .get_irq                = mpic_get_irq,
  74         .calibrate_decr         = generic_calibrate_decr,
  75         .progress               = udbg_progress,
  76 };