arch/powerpc/platforms/85xx/mpc85xx_ds.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * MPC85xx DS Board Setup
   4  *
   5  * Author Xianghua Xiao (x.xiao@freescale.com)
   6  * Roy Zang <tie-fei.zang@freescale.com>
   7  *      - Add PCI/PCI Exprees support
   8  * Copyright 2007 Freescale Semiconductor Inc.
   9  */
  10
  11 #include <linux/stddef.h>
  12 #include <linux/kernel.h>
  13 #include <linux/pci.h>
  14 #include <linux/kdev_t.h>
  15 #include <linux/delay.h>
  16 #include <linux/seq_file.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/of.h>
  19 #include <linux/of_irq.h>
  20
  21 #include <asm/time.h>
  22 #include <asm/machdep.h>
  23 #include <asm/pci-bridge.h>
  24 #include <mm/mmu_decl.h>
  25 #include <asm/udbg.h>
  26 #include <asm/mpic.h>
  27 #include <asm/i8259.h>
  28 #include <asm/swiotlb.h>
  29 #include <asm/ppc-pci.h>
  30
  31 #include <sysdev/fsl_soc.h>
  32 #include <sysdev/fsl_pci.h>
  33 #include "smp.h"
  34
  35 #include "mpc85xx.h"
  36
  37 static void __init mpc85xx_ds_pic_init(void)
  38 {
  39         struct mpic *mpic;
  40         int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU;
  41
  42         if (of_machine_is_compatible("fsl,MPC8572DS-CAMP"))
  43                 flags |= MPIC_NO_RESET;
  44
  45         mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC  ");
  46
  47         if (WARN_ON(!mpic))
  48                 return;
  49
  50         mpic_init(mpic);
  51
  52         mpc85xx_8259_init();
  53 }
  54
  55 /*
  56  * Setup the architecture
  57  */
  58 static void __init mpc85xx_ds_setup_arch(void)
  59 {
  60         if (ppc_md.progress)
  61                 ppc_md.progress("mpc85xx_ds_setup_arch()", 0);
  62
  63         swiotlb_detect_4g();
  64         fsl_pci_assign_primary();
  65         uli_init();
  66         mpc85xx_smp_init();
  67
  68         pr_info("MPC85xx DS board from Freescale Semiconductor\n");
  69 }
  70
  71 machine_arch_initcall(mpc8544_ds, mpc85xx_common_publish_devices);
  72 machine_arch_initcall(mpc8572_ds, mpc85xx_common_publish_devices);
  73
  74 define_machine(mpc8544_ds) {
  75         .name                   = "MPC8544 DS",
  76         .compatible             = "MPC8544DS",
  77         .setup_arch             = mpc85xx_ds_setup_arch,
  78         .init_IRQ               = mpc85xx_ds_pic_init,
  79 #ifdef CONFIG_PCI
  80         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
  81         .pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
  82 #endif
  83         .get_irq                = mpic_get_irq,
  84         .progress               = udbg_progress,
  85 };
  86
  87 define_machine(mpc8572_ds) {
  88         .name                   = "MPC8572 DS",
  89         .compatible             = "fsl,MPC8572DS",
  90         .setup_arch             = mpc85xx_ds_setup_arch,
  91         .init_IRQ               = mpc85xx_ds_pic_init,
  92 #ifdef CONFIG_PCI
  93         .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
  94         .pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
  95 #endif
  96         .get_irq                = mpic_get_irq,
  97         .progress               = udbg_progress,
  98 };