1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * lasat.h 4 * 5 * Thomas Horsten <thh@lasat.com> 6 * Copyright (C) 2000 LASAT Networks A/S. 7 * 8 * Configuration for LASAT boards, loads the appropriate include files. 9 */ 10 #ifndef _LASAT_H 11 #define _LASAT_H 12 13 #ifndef _LANGUAGE_ASSEMBLY 14 15 extern struct lasat_misc { 16 volatile u32 *reset_reg; 17 volatile u32 *flash_wp_reg; 18 u32 flash_wp_bit; 19 } *lasat_misc; 20 21 enum lasat_mtdparts { 22 LASAT_MTD_BOOTLOADER, 23 LASAT_MTD_SERVICE, 24 LASAT_MTD_NORMAL, 25 LASAT_MTD_CONFIG, 26 LASAT_MTD_FS, 27 LASAT_MTD_LAST 28 }; 29 30 /* 31 * The format of the data record in the EEPROM. 32 * See the LASAT Hardware Configuration field specification for a detailed 33 * description of the config field. 34 */ 35 #include <linux/types.h> 36 37 #define LASAT_EEPROM_VERSION 7 38 struct lasat_eeprom_struct { 39 unsigned int version; 40 unsigned int cfg[3]; 41 unsigned char hwaddr[6]; 42 unsigned char print_partno[12]; 43 unsigned char term0; 44 unsigned char print_serial[14]; 45 unsigned char term1; 46 unsigned char prod_partno[12]; 47 unsigned char term2; 48 unsigned char prod_serial[14]; 49 unsigned char term3; 50 unsigned char passwd_hash[16]; 51 unsigned char pwdnull; 52 unsigned char vendid; 53 unsigned char ts_ref; 54 unsigned char ts_signoff; 55 unsigned char reserved[11]; 56 unsigned char debugaccess; 57 unsigned short prid; 58 unsigned int serviceflag; 59 unsigned int ipaddr; 60 unsigned int netmask; 61 unsigned int crc32; 62 }; 63 64 struct lasat_eeprom_struct_pre7 { 65 unsigned int version; 66 unsigned int flags[3]; 67 unsigned char hwaddr0[6]; 68 unsigned char hwaddr1[6]; 69 unsigned char print_partno[9]; 70 unsigned char term0; 71 unsigned char print_serial[14]; 72 unsigned char term1; 73 unsigned char prod_partno[9]; 74 unsigned char term2; 75 unsigned char prod_serial[14]; 76 unsigned char term3; 77 unsigned char passwd_hash[24]; 78 unsigned char pwdnull; 79 unsigned char vendor; 80 unsigned char ts_ref; 81 unsigned char ts_signoff; 82 unsigned char reserved[6]; 83 unsigned int writecount; 84 unsigned int ipaddr; 85 unsigned int netmask; 86 unsigned int crc32; 87 }; 88 89 /* Configuration descriptor encoding - see the doc for details */ 90 91 #define LASAT_W0_DSCTYPE(v) (((v)) & 0xf) 92 #define LASAT_W0_BMID(v) (((v) >> 0x04) & 0xf) 93 #define LASAT_W0_CPUTYPE(v) (((v) >> 0x08) & 0xf) 94 #define LASAT_W0_BUSSPEED(v) (((v) >> 0x0c) & 0xf) 95 #define LASAT_W0_CPUCLK(v) (((v) >> 0x10) & 0xf) 96 #define LASAT_W0_SDRAMBANKSZ(v) (((v) >> 0x14) & 0xf) 97 #define LASAT_W0_SDRAMBANKS(v) (((v) >> 0x18) & 0xf) 98 #define LASAT_W0_L2CACHE(v) (((v) >> 0x1c) & 0xf) 99 100 #define LASAT_W1_EDHAC(v) (((v)) & 0xf) 101 #define LASAT_W1_HIFN(v) (((v) >> 0x04) & 0x1) 102 #define LASAT_W1_ISDN(v) (((v) >> 0x05) & 0x1) 103 #define LASAT_W1_IDE(v) (((v) >> 0x06) & 0x1) 104 #define LASAT_W1_HDLC(v) (((v) >> 0x07) & 0x1) 105 #define LASAT_W1_USVERSION(v) (((v) >> 0x08) & 0x1) 106 #define LASAT_W1_4MACS(v) (((v) >> 0x09) & 0x1) 107 #define LASAT_W1_EXTSERIAL(v) (((v) >> 0x0a) & 0x1) 108 #define LASAT_W1_FLASHSIZE(v) (((v) >> 0x0c) & 0xf) 109 #define LASAT_W1_PCISLOTS(v) (((v) >> 0x10) & 0xf) 110 #define LASAT_W1_PCI1OPT(v) (((v) >> 0x14) & 0xf) 111 #define LASAT_W1_PCI2OPT(v) (((v) >> 0x18) & 0xf) 112 #define LASAT_W1_PCI3OPT(v) (((v) >> 0x1c) & 0xf) 113 114 /* Routines specific to LASAT boards */ 115 116 #define LASAT_BMID_MASQUERADE2 0 117 #define LASAT_BMID_MASQUERADEPRO 1 118 #define LASAT_BMID_SAFEPIPE25 2 119 #define LASAT_BMID_SAFEPIPE50 3 120 #define LASAT_BMID_SAFEPIPE100 4 121 #define LASAT_BMID_SAFEPIPE5000 5 122 #define LASAT_BMID_SAFEPIPE7000 6 123 #define LASAT_BMID_SAFEPIPE1000 7 124 #if 0 125 #define LASAT_BMID_SAFEPIPE30 7 126 #define LASAT_BMID_SAFEPIPE5100 8 127 #define LASAT_BMID_SAFEPIPE7100 9 128 #endif 129 #define LASAT_BMID_UNKNOWN 0xf 130 #define LASAT_MAX_BMID_NAMES 9 /* no larger than 15! */ 131 132 #define LASAT_HAS_EDHAC (1 << 0) 133 #define LASAT_EDHAC_FAST (1 << 1) 134 #define LASAT_HAS_EADI (1 << 2) 135 #define LASAT_HAS_HIFN (1 << 3) 136 #define LASAT_HAS_ISDN (1 << 4) 137 #define LASAT_HAS_LEASEDLINE_IF (1 << 5) 138 #define LASAT_HAS_HDC (1 << 6) 139 140 #define LASAT_PRID_MASQUERADE2 0 141 #define LASAT_PRID_MASQUERADEPRO 1 142 #define LASAT_PRID_SAFEPIPE25 2 143 #define LASAT_PRID_SAFEPIPE50 3 144 #define LASAT_PRID_SAFEPIPE100 4 145 #define LASAT_PRID_SAFEPIPE5000 5 146 #define LASAT_PRID_SAFEPIPE7000 6 147 #define LASAT_PRID_SAFEPIPE30 7 148 #define LASAT_PRID_SAFEPIPE5100 8 149 #define LASAT_PRID_SAFEPIPE7100 9 150 151 #define LASAT_PRID_SAFEPIPE1110 10 152 #define LASAT_PRID_SAFEPIPE3020 11 153 #define LASAT_PRID_SAFEPIPE3030 12 154 #define LASAT_PRID_SAFEPIPE5020 13 155 #define LASAT_PRID_SAFEPIPE5030 14 156 #define LASAT_PRID_SAFEPIPE1120 15 157 #define LASAT_PRID_SAFEPIPE1130 16 158 #define LASAT_PRID_SAFEPIPE6010 17 159 #define LASAT_PRID_SAFEPIPE6110 18 160 #define LASAT_PRID_SAFEPIPE6210 19 161 #define LASAT_PRID_SAFEPIPE1020 20 162 #define LASAT_PRID_SAFEPIPE1040 21 163 #define LASAT_PRID_SAFEPIPE1060 22 164 165 struct lasat_info { 166 unsigned int li_cpu_hz; 167 unsigned int li_bus_hz; 168 unsigned int li_bmid; 169 unsigned int li_memsize; 170 unsigned int li_flash_size; 171 unsigned int li_prid; 172 unsigned char li_bmstr[16]; 173 unsigned char li_namestr[32]; 174 unsigned char li_typestr[16]; 175 /* Info on the Flash layout */ 176 unsigned int li_flash_base; 177 unsigned long li_flashpart_base[LASAT_MTD_LAST]; 178 unsigned long li_flashpart_size[LASAT_MTD_LAST]; 179 struct lasat_eeprom_struct li_eeprom_info; 180 unsigned int li_eeprom_upgrade_version; 181 unsigned int li_debugaccess; 182 }; 183 184 extern struct lasat_info lasat_board_info; 185 lasat_flash_partition_start(int partno)186static inline unsigned long lasat_flash_partition_start(int partno) 187 { 188 if (partno < 0 || partno >= LASAT_MTD_LAST) 189 return 0; 190 191 return lasat_board_info.li_flashpart_base[partno]; 192 } 193 lasat_flash_partition_size(int partno)194static inline unsigned long lasat_flash_partition_size(int partno) 195 { 196 if (partno < 0 || partno >= LASAT_MTD_LAST) 197 return 0; 198 199 return lasat_board_info.li_flashpart_size[partno]; 200 } 201 202 /* Called from setup() to initialize the global board_info struct */ 203 extern int lasat_init_board_info(void); 204 205 /* Write the modified EEPROM info struct */ 206 extern void lasat_write_eeprom_info(void); 207 208 #define N_MACHTYPES 2 209 /* for calibration of delays */ 210 211 /* the lasat_ndelay function is necessary because it is used at an 212 * early stage of the boot process where ndelay is not calibrated. 213 * It is used for the bit-banging rtc and eeprom drivers */ 214 215 #include <linux/delay.h> 216 #include <linux/smp.h> 217 218 /* calculating with the slowest board with 100 MHz clock */ 219 #define LASAT_100_DIVIDER 20 220 /* All 200's run at 250 MHz clock */ 221 #define LASAT_200_DIVIDER 8 222 223 extern unsigned int lasat_ndelay_divider; 224 lasat_ndelay(unsigned int ns)225static inline void lasat_ndelay(unsigned int ns) 226 { 227 __delay(ns / lasat_ndelay_divider); 228 } 229 230 #define IS_LASAT_200() (current_cpu_data.cputype == CPU_R5000) 231 232 #endif /* !defined (_LANGUAGE_ASSEMBLY) */ 233 234 #define LASAT_SERVICEMODE_MAGIC_1 0xdeadbeef 235 #define LASAT_SERVICEMODE_MAGIC_2 0xfedeabba 236 237 /* Lasat 100 boards */ 238 #define LASAT_GT_BASE (KSEG1ADDR(0x14000000)) 239 240 /* Lasat 200 boards */ 241 #define Vrc5074_PHYS_BASE 0x1fa00000 242 #define Vrc5074_BASE (KSEG1ADDR(Vrc5074_PHYS_BASE)) 243 #define PCI_WINDOW1 0x1a000000 244 245 #endif /* _LASAT_H */ 246