forked from luck/tmp_suning_uos_patched
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
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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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* Derived from IRIX <sys/SN/gda.h>.
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*
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* Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc.
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*
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* gda.h -- Contains the data structure for the global data area,
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* The GDA contains information communicated between the
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* PROM, SYMMON, and the kernel.
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*/
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#ifndef _ASM_SN_GDA_H
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#define _ASM_SN_GDA_H
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#include <asm/sn/addrs.h>
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#define GDA_MAGIC 0x58464552
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/*
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* GDA Version History
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*
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* Version # | Change
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* -------------+-------------------------------------------------------
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* 1 | Initial SN0 version
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* 2 | Prom sets g_partid field to the partition number. 0 IS
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* | a valid partition #.
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*/
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#define GDA_VERSION 2 /* Current GDA version # */
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#define G_MAGICOFF 0
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#define G_VERSIONOFF 4
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#define G_PROMOPOFF 6
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#define G_MASTEROFF 8
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#define G_VDSOFF 12
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#define G_HKDNORMOFF 16
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#define G_HKDUTLBOFF 24
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#define G_HKDXUTLBOFF 32
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#define G_PARTIDOFF 40
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#define G_TABLEOFF 128
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#ifndef __ASSEMBLY__
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typedef struct gda {
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u32 g_magic; /* GDA magic number */
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u16 g_version; /* Version of this structure */
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u16 g_masterid; /* The NASID:CPUNUM of the master cpu */
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u32 g_promop; /* Passes requests from the kernel to prom */
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u32 g_vds; /* Store the virtual dipswitches here */
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void **g_hooked_norm;/* ptr to pda loc for norm hndlr */
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void **g_hooked_utlb;/* ptr to pda loc for utlb hndlr */
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void **g_hooked_xtlb;/* ptr to pda loc for xtlb hndlr */
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int g_partid; /* partition id */
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int g_symmax; /* Max symbols in name table. */
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void *g_dbstab; /* Address of idbg symbol table */
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char *g_nametab; /* Address of idbg name table */
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void *g_ktext_repmask;
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/* Pointer to a mask of nodes with copies
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* of the kernel. */
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char g_padding[56]; /* pad out to 128 bytes */
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nasid_t g_nasidtable[MAX_COMPACT_NODES]; /* NASID of each node,
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* indexed by cnodeid.
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*/
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} gda_t;
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#define GDA ((gda_t*) GDA_ADDR(get_nasid()))
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#endif /* !__ASSEMBLY__ */
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/*
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* Define: PART_GDA_VERSION
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* Purpose: Define the minimum version of the GDA required, lower
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* revisions assume GDA is NOT set up, and read partition
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* information from the board info.
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*/
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#define PART_GDA_VERSION 2
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/*
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* The following requests can be sent to the PROM during startup.
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*/
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#define PROMOP_MAGIC 0x0ead0000
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#define PROMOP_MAGIC_MASK 0x0fff0000
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#define PROMOP_BIST_SHIFT 11
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#define PROMOP_BIST_MASK (0x3 << 11)
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#define PROMOP_REG PI_ERR_STACK_ADDR_A
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#define PROMOP_INVALID (PROMOP_MAGIC | 0x00)
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#define PROMOP_HALT (PROMOP_MAGIC | 0x10)
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#define PROMOP_POWERDOWN (PROMOP_MAGIC | 0x20)
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#define PROMOP_RESTART (PROMOP_MAGIC | 0x30)
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#define PROMOP_REBOOT (PROMOP_MAGIC | 0x40)
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#define PROMOP_IMODE (PROMOP_MAGIC | 0x50)
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#define PROMOP_CMD_MASK 0x00f0
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#define PROMOP_OPTIONS_MASK 0xfff0
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#define PROMOP_SKIP_DIAGS 0x0100 /* don't bother running diags */
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#define PROMOP_SKIP_MEMINIT 0x0200 /* don't bother initing memory */
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#define PROMOP_SKIP_DEVINIT 0x0400 /* don't bother initing devices */
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#define PROMOP_BIST1 0x0800 /* keep track of which BIST ran */
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#define PROMOP_BIST2 0x1000 /* keep track of which BIST ran */
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#endif /* _ASM_SN_GDA_H */
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