/*
   * Setup pointers to hardware dependent routines.
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *

   * Copyright (C) 1996, 1997, 2004, 05 by Ralf Baechle (ralf@linux-mips.org)

   * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
   *
   */

  #include <linux/init.h>

  #include <linux/interrupt.h>
  #include <linux/io.h>
  #include <linux/ioport.h>

  #include <linux/pm.h>

  
  #include <asm/bootinfo.h>

  #include <asm/reboot.h>
  #include <asm/gt64120.h>

  #include <cobalt.h>

  
  extern void cobalt_machine_restart(char *command);
  extern void cobalt_machine_halt(void);

  const char *get_system_type(void)
  {

  	switch (cobalt_board_id) {
  		case COBALT_BRD_ID_QUBE1:
  			return "Cobalt Qube";
  		case COBALT_BRD_ID_RAQ1:
  			return "Cobalt RaQ";
  		case COBALT_BRD_ID_QUBE2:
  			return "Cobalt Qube2";
  		case COBALT_BRD_ID_RAQ2:
  			return "Cobalt RaQ2";
  	}

  	return "MIPS Cobalt";
  }

  /*
   * Cobalt doesn't have PS/2 keyboard/mouse interfaces,
   * keyboard conntroller is never used.
   * Also PCI-ISA bridge DMA contoroller is never used.
   */
  static struct resource cobalt_reserved_resources[] = {
  	{	/* dma1 */

  		.start	= 0x00,
  		.end	= 0x1f,

  		.name	= "reserved",
  		.flags	= IORESOURCE_BUSY | IORESOURCE_IO,
  	},
  	{	/* keyboard */

  		.start	= 0x60,
  		.end	= 0x6f,

  		.name	= "reserved",
  		.flags	= IORESOURCE_BUSY | IORESOURCE_IO,
  	},
  	{	/* dma page reg */

  		.start	= 0x80,
  		.end	= 0x8f,

  		.name	= "reserved",
  		.flags	= IORESOURCE_BUSY | IORESOURCE_IO,
  	},
  	{	/* dma2 */

  		.start	= 0xc0,
  		.end	= 0xdf,

  		.name	= "reserved",
  		.flags	= IORESOURCE_BUSY | IORESOURCE_IO,

  	},

  };

  void __init plat_mem_setup(void)

  {

  	int i;
  
  	_machine_restart = cobalt_machine_restart;
  	_machine_halt = cobalt_machine_halt;

  	pm_power_off = cobalt_machine_halt;

  	set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));

  	/* I/O port resource */
  	ioport_resource.end = 0x01ffffff;

  	/* These resources have been reserved by VIA SuperI/O chip. */
  	for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++)
  		request_resource(&ioport_resource, cobalt_reserved_resources + i);

  }

  /*
   * Prom init. We read our one and only communication with the firmware.

   * Grab the amount of installed memory.
   * Better boot loaders (CoLo) pass a command line too :-)

   */
  
  void __init prom_init(void)
  {

  	unsigned long memsz;

  	int argc, i;

  	char **argv;

  	memsz = fw_arg0 & 0x7fff0000;

  	argc = fw_arg0 & 0x0000ffff;
  	argv = (char **)fw_arg1;
  
  	for (i = 1; i < argc; i++) {
  		strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
  		if (i < (argc - 1))
  			strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);

  	}
  
  	add_memory_region(0x0, memsz, BOOT_MEM_RAM);

  }

  void __init prom_free_prom_memory(void)

  {
  	/* Nothing to do! */

  }