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 15extern struct lasat_misc { 16 volatile u32 *reset_reg; 17 volatile u32 *flash_wp_reg; 18 u32 flash_wp_bit; 19} *lasat_misc; 20 21enum 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 38struct 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 64struct 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 165struct 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 184extern struct lasat_info lasat_board_info; 185 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 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 */ 203extern int lasat_init_board_info(void); 204 205/* Write the modified EEPROM info struct */ 206extern 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 223extern unsigned int lasat_ndelay_divider; 224 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