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@@ -0,0 +1,81 @@
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+/*
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+ * This file is subject to the terms and conditions of the GNU General Public
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+ * License. See the file "COPYING" in the main directory of this archive
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+ * for more details.
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+ *
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+ * ARC firmware interface defines.
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+ *
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+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
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+ * Copyright (C) 1999, 2001 Ralf Baechle (ralf@gnu.org)
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+ * Copyright (C) 1999 Silicon Graphics, Inc.
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+ */
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+#ifndef _ASM_SGIARCS_H
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+#define _ASM_SGIARCS_H
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+
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+#include <asm/types.h>
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+#include <asm/fw/arc/types.h>
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+
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+/* Various ARCS error codes. */
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+#define PROM_ESUCCESS 0x00
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+#define PROM_E2BIG 0x01
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+#define PROM_EACCESS 0x02
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+#define PROM_EAGAIN 0x03
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+#define PROM_EBADF 0x04
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+#define PROM_EBUSY 0x05
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+#define PROM_EFAULT 0x06
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+#define PROM_EINVAL 0x07
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+#define PROM_EIO 0x08
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+#define PROM_EISDIR 0x09
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+#define PROM_EMFILE 0x0a
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+#define PROM_EMLINK 0x0b
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+#define PROM_ENAMETOOLONG 0x0c
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+#define PROM_ENODEV 0x0d
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+#define PROM_ENOENT 0x0e
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+#define PROM_ENOEXEC 0x0f
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+#define PROM_ENOMEM 0x10
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+#define PROM_ENOSPC 0x11
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+#define PROM_ENOTDIR 0x12
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+#define PROM_ENOTTY 0x13
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+#define PROM_ENXIO 0x14
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+#define PROM_EROFS 0x15
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+/* SGI ARCS specific errno's. */
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+#define PROM_EADDRNOTAVAIL 0x1f
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+#define PROM_ETIMEDOUT 0x20
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+#define PROM_ECONNABORTED 0x21
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+#define PROM_ENOCONNECT 0x22
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+
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+/* Device classes, types, and identifiers for prom
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+ * device inventory queries.
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+ */
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+enum linux_devclass {
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+ system, processor, cache, adapter, controller, peripheral, memory
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+};
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+
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+enum linux_devtypes {
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+ /* Generic stuff. */
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+ Arc, Cpu, Fpu,
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+
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+ /* Primary insn and data caches. */
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+ picache, pdcache,
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+
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+ /* Secondary insn, data, and combined caches. */
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+ sicache, sdcache, sccache,
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+
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+ memdev, eisa_adapter, tc_adapter, scsi_adapter, dti_adapter,
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+ multifunc_adapter, dsk_controller, tp_controller, cdrom_controller,
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+ worm_controller, serial_controller, net_controller, disp_controller,
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+ parallel_controller, ptr_controller, kbd_controller, audio_controller,
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+ misc_controller, disk_peripheral, flpy_peripheral, tp_peripheral,
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+ modem_peripheral, monitor_peripheral, printer_peripheral,
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+ ptr_peripheral, kbd_peripheral, term_peripheral, line_peripheral,
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+ net_peripheral, misc_peripheral, anon
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+};
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+
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+enum linux_identifier {
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+ bogus, ronly, removable, consin, consout, input, output
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+};
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+
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+/* A prom device tree component. */
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+struct linux_component {
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+ enum linux_devclass class; /* node class */
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+ enum linux_devtypes type; /* node type */
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