/*
 * 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.
 *
 * ARC firmware interface defines.
 *
 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
 * Copyright (C) 1999, 2001 Ralf Baechle (ralf@gnu.org)
 * Copyright (C) 1999 Silicon Graphics, Inc.
 */
#ifndef _ASM_SGIARCS_H
#define _ASM_SGIARCS_H

#include <asm/types.h>
#include <asm/fw/arc/types.h>

/* Various ARCS error codes. */
#define PROM_ESUCCESS                   0x00
#define PROM_E2BIG                      0x01
#define PROM_EACCESS                    0x02
#define PROM_EAGAIN                     0x03
#define PROM_EBADF                      0x04
#define PROM_EBUSY                      0x05
#define PROM_EFAULT                     0x06
#define PROM_EINVAL                     0x07
#define PROM_EIO                        0x08
#define PROM_EISDIR                     0x09
#define PROM_EMFILE                     0x0a
#define PROM_EMLINK                     0x0b
#define PROM_ENAMETOOLONG               0x0c
#define PROM_ENODEV                     0x0d
#define PROM_ENOENT                     0x0e
#define PROM_ENOEXEC                    0x0f
#define PROM_ENOMEM                     0x10
#define PROM_ENOSPC                     0x11
#define PROM_ENOTDIR                    0x12
#define PROM_ENOTTY                     0x13
#define PROM_ENXIO                      0x14
#define PROM_EROFS                      0x15
/* SGI ARCS specific errno's. */
#define PROM_EADDRNOTAVAIL              0x1f
#define PROM_ETIMEDOUT                  0x20
#define PROM_ECONNABORTED               0x21
#define PROM_ENOCONNECT                 0x22

/* Device classes, types, and identifiers for prom
 * device inventory queries.
 */
enum linux_devclass {
	system, processor, cache, adapter, controller, peripheral, memory
};

enum linux_devtypes {
	/* Generic stuff. */
	Arc, Cpu, Fpu,

	/* Primary insn and data caches. */
	picache, pdcache,

	/* Secondary insn, data, and combined caches. */
	sicache, sdcache, sccache,

	memdev, eisa_adapter, tc_adapter, scsi_adapter, dti_adapter,
	multifunc_adapter, dsk_controller, tp_controller, cdrom_controller,
	worm_controller, serial_controller, net_controller, disp_controller,
	parallel_controller, ptr_controller, kbd_controller, audio_controller,
	misc_controller, disk_peripheral, flpy_peripheral, tp_peripheral,
	modem_peripheral, monitor_peripheral, printer_peripheral,
	ptr_peripheral, kbd_peripheral, term_peripheral, line_peripheral,
	net_peripheral, misc_peripheral, anon
};

enum linux_identifier {
	bogus, ronly, removable, consin, consout, input, output
};

/* A prom device tree component. */
struct linux_component {
	enum linux_devclass     class;	/* node class */
	enum linux_devtypes     type;	/* node type */