kernel/arch/powerpc/platforms/85xx/p1010rdb.c

   1 /*
   2  * P1010RDB Board Setup
   3  *
   4  * Copyright 2011 Freescale Semiconductor Inc.
   5  *
   6  * This program is free software; you can redistribute  it and/or modify it
   7  * under  the terms of  the GNU General  Public License as published by the
   8  * Free Software Foundation;  either version 2 of the  License, or (at your
   9  * option) any later version.
  10  */
  11
  12 #include <linux/stddef.h>
  13 #include <linux/kernel.h>
  14 #include <linux/pci.h>
  15 #include <linux/delay.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/of_platform.h>
  18
  19 #include <asm/time.h>
  20 #include <asm/machdep.h>
  21 #include <asm/pci-bridge.h>
  22 #include <mm/mmu_decl.h>
  23 #include <asm/prom.h>
  24 #include <asm/udbg.h>
  25 #include <asm/mpic.h>
  26
  27 #include <sysdev/fsl_soc.h>
  28 #include <sysdev/fsl_pci.h>
  29
  30 #include "mpc85xx.h"
  31
  32 void __init p1010_rdb_pic_init(void)
  33 {
  34         struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
  35           MPIC_SINGLE_DEST_CPU,
  36           0, 256, " OpenPIC  ");
  37
  38         BUG_ON(mpic == NULL);
  39
  40         mpic_init(mpic);
  41 }
  42
  43
  44 /*
  45  * Setup the architecture
  46  */
  47 static void __init p1010_rdb_setup_arch(void)
  48 {
  49         if (ppc_md.progress)
  50                 ppc_md.progress("p1010_rdb_setup_arch()", 0);
  51
  52         fsl_pci_assign_primary();
  53
  54         printk(KERN_INFO "P1010 RDB board from Freescale Semiconductor\n");
  55 }
  56
  57 machine_arch_initcall(p1010_rdb, mpc85xx_common_publish_devices);
  58 machine_arch_initcall(p1010_rdb, swiotlb_setup_bus_notifier);
  59
  60 /*
  61  * Called very early, device-tree isn't unflattened
  62  */
  63 static int __init p1010_rdb_probe(void)
  64 {
  65         unsigned long root = of_get_flat_dt_root();
  66
  67         if (of_flat_dt_is_compatible(root, "fsl,P1010RDB"))
  68                 return 1;
  69         if (of_flat_dt_is_compatible(root, "fsl,P1010RDB-PB"))
  70                 return 1;
  71         return 0;
  72 }
  73
  74 define_machine(p1010_rdb) {
  75         .name                   = "P1010 RDB",
  76         .probe                  = p1010_rdb_probe,
  77         .setup_arch             = p1010_rdb_setup_arch,
  78         .init_IRQ               = p1010_rdb_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         .restart                = fsl_rstcr_restart,
  85         .calibrate_decr         = generic_calibrate_decr,
  86         .progress               = udbg_progress,
  87 };