arch/mips/vr4181/osprey/setup.c

   1 /*
   2  * linux/arch/mips/vr4181/setup.c
   3  *
   4  * VR41xx setup routines
   5  *
   6  * Copyright (C) 1999 Bradley D. LaRonde
   7  * Copyright (C) 1999, 2000 Michael Klar
   8  *
   9  * Copyright 2001 MontaVista Software Inc.
  10  * Author: jsun@mvista.com or jsun@junsun.net
  11  * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
  12  *
  13  * This file is subject to the terms and conditions of the GNU General Public
  14  * License.  See the file "COPYING" in the main directory of this archive
  15  * for more details.
  16  *
  17  */
  18
  19 #include <linux/ide.h>
  20 #include <linux/init.h>
  21 #include <linux/delay.h>
  22 #include <asm/reboot.h>
  23 #include <asm/vr4181/vr4181.h>
  24 #include <asm/io.h>
  25
  26
  27 extern void nec_osprey_restart(char* c);
  28 extern void nec_osprey_halt(void);
  29 extern void nec_osprey_power_off(void);
  30
  31 extern void vr4181_init_serial(void);
  32 extern void vr4181_init_time(void);
  33
  34 static void __init nec_osprey_setup(void)
  35 {
  36         set_io_port_base(VR4181_PORT_BASE);
  37         isa_slot_offset = VR4181_ISAMEM_BASE;
  38
  39         vr4181_init_serial();
  40         vr4181_init_time();
  41
  42         _machine_restart = nec_osprey_restart;
  43         _machine_halt = nec_osprey_halt;
  44         _machine_power_off = nec_osprey_power_off;
  45
  46         /* setup resource limit */
  47         ioport_resource.end = 0xffffffff;
  48         iomem_resource.end = 0xffffffff;
  49
  50         /* [jsun] hack */
  51         /*
  52         printk("[jsun] hack to change external ISA control register, %x -> %x\n",
  53                 (*VR4181_XISACTL),
  54                 (*VR4181_XISACTL) | 0x2);
  55         *VR4181_XISACTL |= 0x2;
  56         */
  57
  58         // *VR4181_GPHIBSTH = 0x2000;
  59         // *VR4181_GPMD0REG = 0x00c0;
  60         // *VR4181_GPINTEN       = 1<<6;
  61
  62         /* [jsun] I believe this will get the interrupt type right
  63          * for the ether port.
  64          */
  65         *VR4181_GPINTTYPL = 0x3000;
  66 }
  67
  68 early_initcall(nec_osprey_setup);