release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/include/asm/lasat/lasat.h

   1 /*
   2  * lasat.h
   3  *
   4  * Thomas Horsten <thh@lasat.com>
   5  * Copyright (C) 2000 LASAT Networks A/S.
   6  *
   7  *  This program is free software; you can distribute it and/or modify it
   8  *  under the terms of the GNU General Public License (Version 2) as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope it will be useful, but WITHOUT
  12  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  *  for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License along
  17  *  with this program; if not, write to the Free Software Foundation, Inc.,
  18  *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  19  *
  20  * Configuration for LASAT boards, loads the appropriate include files.
  21  */
  22 #ifndef _LASAT_H
  23 #define _LASAT_H
  24
  25 #ifndef _LANGUAGE_ASSEMBLY
  26
  27 extern struct lasat_misc {
  28         volatile u32 *reset_reg;
  29         volatile u32 *flash_wp_reg;
  30         u32 flash_wp_bit;
  31 } *lasat_misc;
  32
  33 enum lasat_mtdparts {
  34         LASAT_MTD_BOOTLOADER,
  35         LASAT_MTD_SERVICE,
  36         LASAT_MTD_NORMAL,
  37         LASAT_MTD_CONFIG,
  38         LASAT_MTD_FS,
  39         LASAT_MTD_LAST
  40 };
  41
  42 /*
  43  * The format of the data record in the EEPROM.
  44  * See Documentation/LASAT/eeprom.txt for a detailed description
  45  * of the fields in this struct, and the LASAT Hardware Configuration
  46  * field specification for a detailed description of the config
  47  * field.
  48  */
  49 #include <linux/types.h>
  50
  51 #define LASAT_EEPROM_VERSION 7
  52 struct lasat_eeprom_struct {
  53         unsigned int  version;
  54         unsigned int  cfg[3];
  55         unsigned char hwaddr[6];
  56         unsigned char print_partno[12];
  57         unsigned char term0;
  58         unsigned char print_serial[14];
  59         unsigned char term1;
  60         unsigned char prod_partno[12];
  61         unsigned char term2;
  62         unsigned char prod_serial[14];
  63         unsigned char term3;
  64         unsigned char passwd_hash[16];
  65         unsigned char pwdnull;
  66         unsigned char vendid;
  67         unsigned char ts_ref;
  68         unsigned char ts_signoff;
  69         unsigned char reserved[11];
  70         unsigned char debugaccess;
  71         unsigned short prid;
  72         unsigned int  serviceflag;
  73         unsigned int  ipaddr;
  74         unsigned int  netmask;
  75         unsigned int  crc32;
  76 };
  77
  78 struct lasat_eeprom_struct_pre7 {
  79         unsigned int  version;
  80         unsigned int  flags[3];
  81         unsigned char hwaddr0[6];
  82         unsigned char hwaddr1[6];
  83         unsigned char print_partno[9];
  84         unsigned char term0;
  85         unsigned char print_serial[14];
  86         unsigned char term1;
  87         unsigned char prod_partno[9];
  88         unsigned char term2;
  89         unsigned char prod_serial[14];
  90         unsigned char term3;
  91         unsigned char passwd_hash[24];
  92         unsigned char pwdnull;
  93         unsigned char vendor;
  94         unsigned char ts_ref;
  95         unsigned char ts_signoff;
  96         unsigned char reserved[6];
  97         unsigned int  writecount;
  98         unsigned int  ipaddr;
  99         unsigned int  netmask;
 100         unsigned int  crc32;
 101 };
 102
 103 /* Configuration descriptor encoding - see the doc for details */
 104
 105 #define LASAT_W0_DSCTYPE(v)             (((v))         & 0xf)
 106 #define LASAT_W0_BMID(v)                (((v) >> 0x04) & 0xf)
 107 #define LASAT_W0_CPUTYPE(v)             (((v) >> 0x08) & 0xf)
 108 #define LASAT_W0_BUSSPEED(v)            (((v) >> 0x0c) & 0xf)
 109 #define LASAT_W0_CPUCLK(v)              (((v) >> 0x10) & 0xf)
 110 #define LASAT_W0_SDRAMBANKSZ(v)         (((v) >> 0x14) & 0xf)
 111 #define LASAT_W0_SDRAMBANKS(v)          (((v) >> 0x18) & 0xf)
 112 #define LASAT_W0_L2CACHE(v)             (((v) >> 0x1c) & 0xf)
 113
 114 #define LASAT_W1_EDHAC(v)               (((v))         & 0xf)
 115 #define LASAT_W1_HIFN(v)                (((v) >> 0x04) & 0x1)
 116 #define LASAT_W1_ISDN(v)                (((v) >> 0x05) & 0x1)
 117 #define LASAT_W1_IDE(v)                 (((v) >> 0x06) & 0x1)
 118 #define LASAT_W1_HDLC(v)                (((v) >> 0x07) & 0x1)
 119 #define LASAT_W1_USVERSION(v)           (((v) >> 0x08) & 0x1)
 120 #define LASAT_W1_4MACS(v)               (((v) >> 0x09) & 0x1)
 121 #define LASAT_W1_EXTSERIAL(v)           (((v) >> 0x0a) & 0x1)
 122 #define LASAT_W1_FLASHSIZE(v)           (((v) >> 0x0c) & 0xf)
 123 #define LASAT_W1_PCISLOTS(v)            (((v) >> 0x10) & 0xf)
 124 #define LASAT_W1_PCI1OPT(v)             (((v) >> 0x14) & 0xf)
 125 #define LASAT_W1_PCI2OPT(v)             (((v) >> 0x18) & 0xf)
 126 #define LASAT_W1_PCI3OPT(v)             (((v) >> 0x1c) & 0xf)
 127
 128 /* Routines specific to LASAT boards */
 129
 130 #define LASAT_BMID_MASQUERADE2          0
 131 #define LASAT_BMID_MASQUERADEPRO        1
 132 #define LASAT_BMID_SAFEPIPE25           2
 133 #define LASAT_BMID_SAFEPIPE50           3
 134 #define LASAT_BMID_SAFEPIPE100          4
 135 #define LASAT_BMID_SAFEPIPE5000         5
 136 #define LASAT_BMID_SAFEPIPE7000         6
 137 #define LASAT_BMID_SAFEPIPE1000         7
 138 #define LASAT_BMID_UNKNOWN              0xf
 139 #define LASAT_MAX_BMID_NAMES            9   /* no larger than 15! */
 140
 141 #define LASAT_HAS_EDHAC                 (1 << 0)
 142 #define LASAT_EDHAC_FAST                (1 << 1)
 143 #define LASAT_HAS_EADI                  (1 << 2)
 144 #define LASAT_HAS_HIFN                  (1 << 3)
 145 #define LASAT_HAS_ISDN                  (1 << 4)
 146 #define LASAT_HAS_LEASEDLINE_IF         (1 << 5)
 147 #define LASAT_HAS_HDC                   (1 << 6)
 148
 149 #define LASAT_PRID_MASQUERADE2          0
 150 #define LASAT_PRID_MASQUERADEPRO        1
 151 #define LASAT_PRID_SAFEPIPE25           2
 152 #define LASAT_PRID_SAFEPIPE50           3
 153 #define LASAT_PRID_SAFEPIPE100          4
 154 #define LASAT_PRID_SAFEPIPE5000         5
 155 #define LASAT_PRID_SAFEPIPE7000         6
 156 #define LASAT_PRID_SAFEPIPE30           7
 157 #define LASAT_PRID_SAFEPIPE5100         8
 158 #define LASAT_PRID_SAFEPIPE7100         9
 159
 160 #define LASAT_PRID_SAFEPIPE1110         10
 161 #define LASAT_PRID_SAFEPIPE3020         11
 162 #define LASAT_PRID_SAFEPIPE3030         12
 163 #define LASAT_PRID_SAFEPIPE5020         13
 164 #define LASAT_PRID_SAFEPIPE5030         14
 165 #define LASAT_PRID_SAFEPIPE1120         15
 166 #define LASAT_PRID_SAFEPIPE1130         16
 167 #define LASAT_PRID_SAFEPIPE6010         17
 168 #define LASAT_PRID_SAFEPIPE6110         18
 169 #define LASAT_PRID_SAFEPIPE6210         19
 170 #define LASAT_PRID_SAFEPIPE1020         20
 171 #define LASAT_PRID_SAFEPIPE1040         21
 172 #define LASAT_PRID_SAFEPIPE1060         22
 173
 174 struct lasat_info {
 175         unsigned int  li_cpu_hz;
 176         unsigned int  li_bus_hz;
 177         unsigned int  li_bmid;
 178         unsigned int  li_memsize;
 179         unsigned int  li_flash_size;
 180         unsigned int  li_prid;
 181         unsigned char li_bmstr[16];
 182         unsigned char li_namestr[32];
 183         unsigned char li_typestr[16];
 184         /* Info on the Flash layout */
 185         unsigned int  li_flash_base;
 186         unsigned long li_flashpart_base[LASAT_MTD_LAST];
 187         unsigned long li_flashpart_size[LASAT_MTD_LAST];
 188         struct lasat_eeprom_struct li_eeprom_info;
 189         unsigned int  li_eeprom_upgrade_version;
 190         unsigned int  li_debugaccess;
 191 };
 192
 193 extern struct lasat_info lasat_board_info;
 194
 195 static inline unsigned long lasat_flash_partition_start(int partno)
 196 {
 197         if (partno < 0 || partno >= LASAT_MTD_LAST)
 198                 return 0;
 199
 200         return lasat_board_info.li_flashpart_base[partno];
 201 }
 202
 203 static inline unsigned long lasat_flash_partition_size(int partno)
 204 {
 205         if (partno < 0 || partno >= LASAT_MTD_LAST)
 206                 return 0;
 207
 208         return lasat_board_info.li_flashpart_size[partno];
 209 }
 210
 211 /* Called from setup() to initialize the global board_info struct */
 212 extern int lasat_init_board_info(void);
 213
 214 /* Write the modified EEPROM info struct */
 215 extern void lasat_write_eeprom_info(void);
 216
 217 #define N_MACHTYPES             2
 218 /* for calibration of delays */
 219
 220 /* the lasat_ndelay function is necessary because it is used at an
 221  * early stage of the boot process where ndelay is not calibrated.
 222  * It is used for the bit-banging rtc and eeprom drivers */
 223
 224 #include <linux/delay.h>
 225 #include <linux/smp.h>
 226
 227 /* calculating with the slowest board with 100 MHz clock */
 228 #define LASAT_100_DIVIDER 20
 229 /* All 200's run at 250 MHz clock */
 230 #define LASAT_200_DIVIDER 8
 231
 232 extern unsigned int lasat_ndelay_divider;
 233
 234 static inline void lasat_ndelay(unsigned int ns)
 235 {
 236         __delay(ns / lasat_ndelay_divider);
 237 }
 238
 239 #define IS_LASAT_200()     (current_cpu_data.cputype == CPU_R5000)
 240
 241 #endif /* !defined (_LANGUAGE_ASSEMBLY) */
 242
 243 #define LASAT_SERVICEMODE_MAGIC_1     0xdeadbeef
 244 #define LASAT_SERVICEMODE_MAGIC_2     0xfedeabba
 245
 246 /* Lasat 100 boards */
 247 #define LASAT_GT_BASE           (KSEG1ADDR(0x14000000))
 248
 249 /* Lasat 200 boards */
 250 #define Vrc5074_PHYS_BASE       0x1fa00000
 251 #define Vrc5074_BASE            (KSEG1ADDR(Vrc5074_PHYS_BASE))
 252 #define PCI_WINDOW1             0x1a000000
 253
 254 #endif /* _LASAT_H */