patch-2.4.22 linux-2.4.22/include/asm-ia64/sn/eeprom.h
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- Lines: 385
- Date:
1969-12-31 16:00:00.000000000 -0800
- Orig file:
linux-2.4.21/include/asm-ia64/sn/eeprom.h
- Orig date:
2003-06-13 07:51:38.000000000 -0700
diff -urN linux-2.4.21/include/asm-ia64/sn/eeprom.h linux-2.4.22/include/asm-ia64/sn/eeprom.h
@@ -1,384 +0,0 @@
-/* $Id$
- *
- * 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.
- *
- * Public interface for reading Atmel EEPROMs via L1 system controllers
- *
- * Copyright (C) 1992 - 1997, 2000-2002 Silicon Graphics, Inc. All rights reserved.
- */
-#ifndef _ASM_IA64_SN_EEPROM_H
-#define _ASM_IA64_SN_EEPROM_H
-
-#include <linux/config.h>
-#include <asm/sn/sgi.h>
-#include <asm/sn/vector.h>
-#include <asm/sn/xtalk/xbow.h>
-#include <asm/sn/pci/bridge.h>
-#include <asm/sn/nic.h>
-
-/*
- * The following structures are an implementation of the EEPROM info
- * areas described in the SN1 EEPROM spec and the IPMI FRU Information
- * Storage definition
- */
-
-/* Maximum lengths for EEPROM fields
- */
-#define EEPROM_PARTNUM_LEN 20
-#define EEPROM_SERNUM_LEN 10
-#define EEPROM_MANUF_NAME_LEN 10
-#define EEPROM_PROD_NAME_LEN 14
-
-
-
-/* The EEPROM "common header", which contains offsets to the other
- * info areas in the EEPROM
- */
-typedef struct eeprom_common_hdr_t
-{
- uchar_t format; /* common header format byte */
- uchar_t internal_use; /* offsets to various info areas */
- uchar_t chassis; /* (in doubleword units) */
- uchar_t board;
- uchar_t product;
- uchar_t multi_record;
- uchar_t pad;
- uchar_t checksum;
-} eeprom_common_hdr_t;
-
-
-/* The chassis (brick) info area
- */
-typedef struct eeprom_chassis_ia_t
-{
- uchar_t format; /* format byte */
- uchar_t length; /* info area length in doublewords */
- uchar_t type; /* chassis type (always 0x17 "rack mount") */
- uchar_t part_num_tl; /* type/length of part number field */
-
- char part_num[EEPROM_PARTNUM_LEN];
- /* ASCII part number */
-
- uchar_t serial_num_tl; /* type/length of serial number field */
-
- char serial_num[EEPROM_SERNUM_LEN];
- /* ASCII serial number */
-
- uchar_t checksum;
-
-} eeprom_chassis_ia_t;
-
-
-/* The board info area
- */
-typedef struct eeprom_board_ia_t
-{
- uchar_t format; /* format byte */
- uchar_t length; /* info area length in doublewords */
- uchar_t language; /* language code, always 0x00 "English" */
- int mfg_date; /* date & time of manufacture, in minutes
- since 0:00 1/1/96 */
- uchar_t manuf_tl; /* type/length of manufacturer name field */
-
- char manuf[EEPROM_MANUF_NAME_LEN];
- /* ASCII manufacturer name */
-
- uchar_t product_tl; /* type/length of product name field */
-
- char product[EEPROM_PROD_NAME_LEN];
- /* ASCII product name */
-
- uchar_t serial_num_tl; /* type/length of board serial number */
-
- char serial_num[EEPROM_SERNUM_LEN];
- /* ASCII serial number */
-
- uchar_t part_num_tl; /* type/length of board part number */
-
- char part_num[EEPROM_PARTNUM_LEN];
- /* ASCII part number */
-
- /*
- * "custom" fields -- see SN1 EEPROM Spec
- */
- uchar_t board_rev_tl; /* type/length of board rev (always 0xC2) */
-
- char board_rev[2]; /* ASCII board revision */
-
- uchar_t eeprom_size_tl; /* type/length of eeprom size field */
- uchar_t eeprom_size; /* size code for eeprom */
- uchar_t temp_waiver_tl; /* type/length of temp waiver field (0xC2) */
- char temp_waiver[2]; /* temp waiver */
-
-
- /*
- * these fields only appear in main boards' EEPROMs
- */
- uchar_t ekey_G_tl; /* type/length of encryption key "G" */
- uint32_t ekey_G; /* encryption key "G" */
- uchar_t ekey_P_tl; /* type/length of encryption key "P" */
- uint32_t ekey_P; /* encryption key "P" */
- uchar_t ekey_Y_tl; /* type/length of encryption key "Y" */
- uint32_t ekey_Y; /* encryption key "Y" */
-
-
- /*
- * these fields are used for I bricks only
- */
- uchar_t mac_addr_tl; /* type/length of MAC address */
- char mac_addr[12]; /* MAC address */
- uchar_t ieee1394_cfg_tl; /* type/length of IEEE 1394 info */
- uchar_t ieee1394_cfg[32]; /* IEEE 1394 config info */
-
-
- /*
- * all boards have a checksum
- */
- uchar_t checksum;
-
-} eeprom_board_ia_t;
-
-/* given a pointer to the three-byte little-endian EEPROM representation
- * of date-of-manufacture, this function translates to a big-endian
- * integer format
- */
-int eeprom_xlate_board_mfr_date( uchar_t *src );
-
-
-/* EEPROM Serial Presence Detect record (used for DIMMs in IP35)
- */
-typedef struct eeprom_spd_t
-{
- /* 0*/ uchar_t spd_used; /* # of bytes written to serial memory by manufacturer */
- /* 1*/ uchar_t spd_size; /* Total # of bytes of SPD memory device */
- /* 2*/ uchar_t mem_type; /* Fundamental memory type (FPM, EDO, SDRAM..) */
- /* 3*/ uchar_t num_rows; /* # of row addresses on this assembly */
- /* 4*/ uchar_t num_cols; /* # Column Addresses on this assembly */
- /* 5*/ uchar_t mod_rows; /* # Module Rows on this assembly */
- /* 6*/ uchar_t data_width[2]; /* Data Width of this assembly (16b little-endian) */
- /* 8*/ uchar_t volt_if; /* Voltage interface standard of this assembly */
- /* 9*/ uchar_t cyc_time; /* SDRAM Cycle time, CL=X (highest CAS latency) */
- /* A*/ uchar_t acc_time; /* SDRAM Access from Clock (highest CAS latency) */
- /* B*/ uchar_t dimm_cfg; /* DIMM Configuration type (non-parity, ECC) */
- /* C*/ uchar_t refresh_rt; /* Refresh Rate/Type */
- /* D*/ uchar_t prim_width; /* Primary SDRAM Width */
- /* E*/ uchar_t ec_width; /* Error Checking SDRAM width */
- /* F*/ uchar_t min_delay; /* Min Clock Delay Back to Back Random Col Address */
- /*10*/ uchar_t burst_len; /* Burst Lengths Supported */
- /*11*/ uchar_t num_banks; /* # of Banks on Each SDRAM Device */
- /*12*/ uchar_t cas_latencies; /* CAS# Latencies Supported */
- /*13*/ uchar_t cs_latencies; /* CS# Latencies Supported */
- /*14*/ uchar_t we_latencies; /* Write Latencies Supported */
- /*15*/ uchar_t mod_attrib; /* SDRAM Module Attributes */
- /*16*/ uchar_t dev_attrib; /* SDRAM Device Attributes: General */
- /*17*/ uchar_t cyc_time2; /* Min SDRAM Cycle time at CL X-1 (2nd highest CAS latency) */
- /*18*/ uchar_t acc_time2; /* SDRAM Access from Clock at CL X-1 (2nd highest CAS latency) */
- /*19*/ uchar_t cyc_time3; /* Min SDRAM Cycle time at CL X-2 (3rd highest CAS latency) */
- /*1A*/ uchar_t acc_time3; /* Max SDRAM Access from Clock at CL X-2 (3nd highest CAS latency) */
- /*1B*/ uchar_t min_row_prechg; /* Min Row Precharge Time (Trp) */
- /*1C*/ uchar_t min_ra_to_ra; /* Min Row Active to Row Active (Trrd) */
- /*1D*/ uchar_t min_ras_to_cas; /* Min RAS to CAS Delay (Trcd) */
- /*1E*/ uchar_t min_ras_pulse; /* Minimum RAS Pulse Width (Tras) */
- /*1F*/ uchar_t row_density; /* Density of each row on module */
- /*20*/ uchar_t ca_setup; /* Command and Address signal input setup time */
- /*21*/ uchar_t ca_hold; /* Command and Address signal input hold time */
- /*22*/ uchar_t d_setup; /* Data signal input setup time */
- /*23*/ uchar_t d_hold; /* Data signal input hold time */
-
- /*24*/ uchar_t pad0[26]; /* unused */
-
- /*3E*/ uchar_t data_rev; /* SPD Data Revision Code */
- /*3F*/ uchar_t checksum; /* Checksum for bytes 0-62 */
- /*40*/ uchar_t jedec_id[8]; /* Manufacturer's JEDEC ID code */
-
- /*48*/ uchar_t mfg_loc; /* Manufacturing Location */
- /*49*/ uchar_t part_num[18]; /* Manufacturer's Part Number */
-
- /*5B*/ uchar_t rev_code[2]; /* Revision Code */
-
- /*5D*/ uchar_t mfg_date[2]; /* Manufacturing Date */
-
- /*5F*/ uchar_t ser_num[4]; /* Assembly Serial Number */
-
- /*63*/ uchar_t manuf_data[27]; /* Manufacturer Specific Data */
-
- /*7E*/ uchar_t intel_freq; /* Intel specification frequency */
- /*7F*/ uchar_t intel_100MHz; /* Intel spec details for 100MHz support */
-
-} eeprom_spd_t;
-
-
-#define EEPROM_SPD_RECORD_MAXLEN 256
-
-typedef union eeprom_spd_u
-{
- eeprom_spd_t fields;
- char bytes[EEPROM_SPD_RECORD_MAXLEN];
-
-} eeprom_spd_u;
-
-
-/* EEPROM board record
- */
-typedef struct eeprom_brd_record_t
-{
- eeprom_chassis_ia_t *chassis_ia;
- eeprom_board_ia_t *board_ia;
- eeprom_spd_u *spd;
-
-} eeprom_brd_record_t;
-
-
-/* End-of-fields marker
- */
-#define EEPROM_EOF 0xc1
-
-
-/* masks for dissecting the type/length bytes
- */
-#define FIELD_FORMAT_MASK 0xc0
-#define FIELD_LENGTH_MASK 0x3f
-
-
-/* field format codes (used in type/length bytes)
- */
-#define FIELD_FORMAT_BINARY 0x00 /* binary format */
-#define FIELD_FORMAT_BCD 0x40 /* BCD */
-#define FIELD_FORMAT_PACKED 0x80 /* packed 6-bit ASCII */
-#define FIELD_FORMAT_ASCII 0xC0 /* 8-bit ASCII */
-
-
-
-
-/* codes specifying brick and board type
- */
-#define C_BRICK 0x100
-
-#define C_PIMM (C_BRICK | 0x10)
-#define C_PIMM_0 (C_PIMM) /* | 0x0 */
-#define C_PIMM_1 (C_PIMM | 0x1)
-
-#define C_DIMM (C_BRICK | 0x20)
-#define C_DIMM_0 (C_DIMM) /* | 0x0 */
-#define C_DIMM_1 (C_DIMM | 0x1)
-#define C_DIMM_2 (C_DIMM | 0x2)
-#define C_DIMM_3 (C_DIMM | 0x3)
-#define C_DIMM_4 (C_DIMM | 0x4)
-#define C_DIMM_5 (C_DIMM | 0x5)
-#define C_DIMM_6 (C_DIMM | 0x6)
-#define C_DIMM_7 (C_DIMM | 0x7)
-
-#define R_BRICK 0x200
-#define R_POWER (R_BRICK | 0x10)
-
-#define VECTOR 0x300 /* used in vector ops when the destination
- * could be a cbrick or an rbrick */
-
-#define IO_BRICK 0x400
-#define IO_POWER (IO_BRICK | 0x10)
-
-#define BRICK_MASK 0xf00
-#define SUBORD_MASK 0xf0 /* AND with component specification; if the
- the result is non-zero, then the component
- is a subordinate board of some kind */
-#define COMPT_MASK 0xf /* if there's more than one instance of a
- particular type of subordinate board, this
- masks out which one we're talking about */
-
-
-
-/* functions & macros for obtaining "NIC-like" strings from EEPROMs
- */
-
-#ifdef CONFIG_IA64_SGI_SN1
-
-int eeprom_str( char *nic_str, nasid_t nasid, int component );
-int vector_eeprom_str( char *nic_str, nasid_t nasid,
- int component, net_vec_t path );
-
-#define CBRICK_EEPROM_STR(s,n) eeprom_str((s),(n),C_BRICK)
-#define IOBRICK_EEPROM_STR(s,n) eeprom_str((s),(n),IO_BRICK)
-#define RBRICK_EEPROM_STR(s,n,p) vector_eeprom_str((s),(n),R_BRICK,p)
-#define VECTOR_EEPROM_STR(s,n,p) vector_eeprom_str((s),(n),VECTOR,p)
-
-#endif /* CONFIG_IA64_SGI_SN1 */
-
-
-/* functions for obtaining formatted records from EEPROMs
- */
-
-int cbrick_eeprom_read( eeprom_brd_record_t *buf, nasid_t nasid,
- int component );
-int iobrick_eeprom_read( eeprom_brd_record_t *buf, nasid_t nasid,
- int component );
-int vector_eeprom_read( eeprom_brd_record_t *buf, nasid_t nasid,
- net_vec_t path, int component );
-
-
-
-/* retrieve the ethernet MAC address for an I-brick
- */
-
-int ibrick_mac_addr_get( nasid_t nasid, char *eaddr );
-
-
-/* error codes
- */
-
-#define EEP_OK 0
-#define EEP_L1 1
-#define EEP_FAIL 2
-#define EEP_BAD_CHECKSUM 3
-#define EEP_NICIFY 4
-#define EEP_PARAM 6
-#define EEP_NOMEM 7
-
-
-
-/* given a hardware graph vertex and an indication of the brick type,
- * brick and board to be read, this functions reads the eeprom and
- * attaches a "NIC"-format string of manufacturing information to the
- * vertex. If the vertex already has the string, just returns the
- * string. If component is not VECTOR or R_BRICK, the path parameter
- * is ignored.
- */
-
-#ifdef LATER
-char *eeprom_vertex_info_set( int component, int nasid, devfs_handle_t v,
- net_vec_t path );
-#endif
-
-
-
-/* We may need to differentiate between an XBridge and other types of
- * bridges during discovery to tell whether the bridge in question
- * is part of an IO brick. The following function reads the WIDGET_ID
- * register of the bridge under examination and returns a positive value
- * if the part and mfg numbers stored there indicate that this widget
- * is an XBridge (and so must be part of a brick).
- */
-#ifdef LATER
-int is_iobrick( int nasid, int widget_num );
-#endif
-
-/* the following macro derives the widget number from the register
- * address passed to it and uses is_iobrick to determine whether
- * the widget in question is part of an SN1 IO brick.
- */
-#define IS_IOBRICK(rg) is_iobrick( NASID_GET((rg)), SWIN_WIDGETNUM((rg)) )
-
-
-
-/* macros for NIC compatability */
-/* always invoked on "this" cbrick */
-#define HUB_VERTEX_MFG_INFO(v) \
- eeprom_vertex_info_set( C_BRICK, get_nasid(), (v), 0 )
-
-#define BRIDGE_VERTEX_MFG_INFO(v, r) \
- ( IS_IOBRICK((r)) ? eeprom_vertex_info_set \
- ( IO_BRICK, NASID_GET((r)), (v), 0 ) \
- : nic_bridge_vertex_info((v), (r)) )
-
-#endif /* _ASM_IA64_SN_EEPROM_H */
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