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lasat.h

/*
 * lasat.h
 *
 * Thomas Horsten <thh@lasat.com>
 * Copyright (C) 2000 LASAT Networks A/S.
 *
 *  This program is free software; you can distribute it and/or modify it
 *  under the terms of the GNU General Public License (Version 2) as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 *  for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
 *
 * Configuration for LASAT boards, loads the appropriate include files.
 */
#ifndef _LASAT_H
#define _LASAT_H

#ifndef _LANGUAGE_ASSEMBLY

00027 extern struct lasat_misc {
      volatile u32 *reset_reg;
      volatile u32 *flash_wp_reg;
      u32 flash_wp_bit;
} *lasat_misc;

enum lasat_mtdparts {
      LASAT_MTD_BOOTLOADER,
      LASAT_MTD_SERVICE,
      LASAT_MTD_NORMAL,
      LASAT_MTD_CONFIG,
      LASAT_MTD_FS,
      LASAT_MTD_LAST
};

/*
 * The format of the data record in the EEPROM.
 * See Documentation/LASAT/eeprom.txt for a detailed description
 * of the fields in this struct, and the LASAT Hardware Configuration
 * field specification for a detailed description of the config
 * field.
 */
#include <linux/types.h>

#define LASAT_EEPROM_VERSION 7
00052 struct lasat_eeprom_struct {
      unsigned int  version;
      unsigned int  cfg[3];
      unsigned char hwaddr[6];
      unsigned char print_partno[12];
      unsigned char term0;
      unsigned char print_serial[14];
      unsigned char term1;
      unsigned char prod_partno[12];
      unsigned char term2;
      unsigned char prod_serial[14];
      unsigned char term3;
      unsigned char passwd_hash[16];
      unsigned char pwdnull;
      unsigned char vendid;
      unsigned char ts_ref;
      unsigned char ts_signoff;
      unsigned char reserved[11];
      unsigned char debugaccess;
      unsigned short prid;
      unsigned int  serviceflag;
      unsigned int  ipaddr;
      unsigned int  netmask;
      unsigned int  crc32;
};

00078 struct lasat_eeprom_struct_pre7 {
      unsigned int  version;
      unsigned int  flags[3];
      unsigned char hwaddr0[6];
      unsigned char hwaddr1[6];
      unsigned char print_partno[9];
      unsigned char term0;
      unsigned char print_serial[14];
      unsigned char term1;
      unsigned char prod_partno[9];
      unsigned char term2;
      unsigned char prod_serial[14];
      unsigned char term3;
      unsigned char passwd_hash[24];
      unsigned char pwdnull;
      unsigned char vendor;
      unsigned char ts_ref;
      unsigned char ts_signoff;
      unsigned char reserved[6];
      unsigned int  writecount;
      unsigned int  ipaddr;
      unsigned int  netmask;
      unsigned int  crc32;
};

/* Configuration descriptor encoding - see the doc for details */

#define LASAT_W0_DSCTYPE(v)         (((v))         & 0xf)
#define LASAT_W0_BMID(v)            (((v) >> 0x04) & 0xf)
#define LASAT_W0_CPUTYPE(v)         (((v) >> 0x08) & 0xf)
#define LASAT_W0_BUSSPEED(v)        (((v) >> 0x0c) & 0xf)
#define LASAT_W0_CPUCLK(v)          (((v) >> 0x10) & 0xf)
#define LASAT_W0_SDRAMBANKSZ(v)           (((v) >> 0x14) & 0xf)
#define LASAT_W0_SDRAMBANKS(v)            (((v) >> 0x18) & 0xf)
#define LASAT_W0_L2CACHE(v)         (((v) >> 0x1c) & 0xf)

#define LASAT_W1_EDHAC(v)           (((v))         & 0xf)
#define LASAT_W1_HIFN(v)            (((v) >> 0x04) & 0x1)
#define LASAT_W1_ISDN(v)            (((v) >> 0x05) & 0x1)
#define LASAT_W1_IDE(v)             (((v) >> 0x06) & 0x1)
#define LASAT_W1_HDLC(v)            (((v) >> 0x07) & 0x1)
#define LASAT_W1_USVERSION(v)       (((v) >> 0x08) & 0x1)
#define LASAT_W1_4MACS(v)           (((v) >> 0x09) & 0x1)
#define LASAT_W1_EXTSERIAL(v)       (((v) >> 0x0a) & 0x1)
#define LASAT_W1_FLASHSIZE(v)       (((v) >> 0x0c) & 0xf)
#define LASAT_W1_PCISLOTS(v)        (((v) >> 0x10) & 0xf)
#define LASAT_W1_PCI1OPT(v)         (((v) >> 0x14) & 0xf)
#define LASAT_W1_PCI2OPT(v)         (((v) >> 0x18) & 0xf)
#define LASAT_W1_PCI3OPT(v)         (((v) >> 0x1c) & 0xf)

/* Routines specific to LASAT boards */

#define LASAT_BMID_MASQUERADE2            0
#define LASAT_BMID_MASQUERADEPRO    1
#define LASAT_BMID_SAFEPIPE25       2
#define LASAT_BMID_SAFEPIPE50       3
#define LASAT_BMID_SAFEPIPE100            4
#define LASAT_BMID_SAFEPIPE5000           5
#define LASAT_BMID_SAFEPIPE7000           6
#define LASAT_BMID_SAFEPIPE1000           7
#if 0
#define LASAT_BMID_SAFEPIPE30       7
#define LASAT_BMID_SAFEPIPE5100           8
#define LASAT_BMID_SAFEPIPE7100           9
#endif
#define LASAT_BMID_UNKNOWN          0xf
#define LASAT_MAX_BMID_NAMES        9   /* no larger than 15! */

#define LASAT_HAS_EDHAC             (1 << 0)
#define LASAT_EDHAC_FAST            (1 << 1)
#define LASAT_HAS_EADI              (1 << 2)
#define LASAT_HAS_HIFN              (1 << 3)
#define LASAT_HAS_ISDN              (1 << 4)
#define LASAT_HAS_LEASEDLINE_IF           (1 << 5)
#define LASAT_HAS_HDC               (1 << 6)

#define LASAT_PRID_MASQUERADE2            0
#define LASAT_PRID_MASQUERADEPRO    1
#define LASAT_PRID_SAFEPIPE25       2
#define LASAT_PRID_SAFEPIPE50       3
#define LASAT_PRID_SAFEPIPE100            4
#define LASAT_PRID_SAFEPIPE5000           5
#define LASAT_PRID_SAFEPIPE7000           6
#define LASAT_PRID_SAFEPIPE30       7
#define LASAT_PRID_SAFEPIPE5100           8
#define LASAT_PRID_SAFEPIPE7100           9

#define LASAT_PRID_SAFEPIPE1110           10
#define LASAT_PRID_SAFEPIPE3020           11
#define LASAT_PRID_SAFEPIPE3030           12
#define LASAT_PRID_SAFEPIPE5020           13
#define LASAT_PRID_SAFEPIPE5030           14
#define LASAT_PRID_SAFEPIPE1120           15
#define LASAT_PRID_SAFEPIPE1130           16
#define LASAT_PRID_SAFEPIPE6010           17
#define LASAT_PRID_SAFEPIPE6110           18
#define LASAT_PRID_SAFEPIPE6210           19
#define LASAT_PRID_SAFEPIPE1020           20
#define LASAT_PRID_SAFEPIPE1040           21
#define LASAT_PRID_SAFEPIPE1060           22

00179 struct lasat_info {
      unsigned int  li_cpu_hz;
      unsigned int  li_bus_hz;
      unsigned int  li_bmid;
      unsigned int  li_memsize;
      unsigned int  li_flash_size;
      unsigned int  li_prid;
      unsigned char li_bmstr[16];
      unsigned char li_namestr[32];
      unsigned char li_typestr[16];
      /* Info on the Flash layout */
      unsigned int  li_flash_base;
      unsigned long li_flashpart_base[LASAT_MTD_LAST];
      unsigned long li_flashpart_size[LASAT_MTD_LAST];
      struct lasat_eeprom_struct li_eeprom_info;
      unsigned int  li_eeprom_upgrade_version;
      unsigned int  li_debugaccess;
};

extern struct lasat_info lasat_board_info;

static inline unsigned long lasat_flash_partition_start(int partno)
{
      if (partno < 0 || partno >= LASAT_MTD_LAST)
            return 0;

      return lasat_board_info.li_flashpart_base[partno];
}

static inline unsigned long lasat_flash_partition_size(int partno)
{
      if (partno < 0 || partno >= LASAT_MTD_LAST)
            return 0;

      return lasat_board_info.li_flashpart_size[partno];
}

/* Called from setup() to initialize the global board_info struct */
extern int lasat_init_board_info(void);

/* Write the modified EEPROM info struct */
extern void lasat_write_eeprom_info(void);

#define N_MACHTYPES           2
/* for calibration of delays */

/* the lasat_ndelay function is necessary because it is used at an
 * early stage of the boot process where ndelay is not calibrated.
 * It is used for the bit-banging rtc and eeprom drivers */

#include <linux/delay.h>
#include <linux/smp.h>

/* calculating with the slowest board with 100 MHz clock */
#define LASAT_100_DIVIDER 20
/* All 200's run at 250 MHz clock */
#define LASAT_200_DIVIDER 8

extern unsigned int lasat_ndelay_divider;

static inline void lasat_ndelay(unsigned int ns)
{
      __delay(ns / lasat_ndelay_divider);
}

#define IS_LASAT_200()     (current_cpu_data.cputype == CPU_R5000)

#endif /* !defined (_LANGUAGE_ASSEMBLY) */

#define LASAT_SERVICEMODE_MAGIC_1     0xdeadbeef
#define LASAT_SERVICEMODE_MAGIC_2     0xfedeabba

/* Lasat 100 boards */
#define LASAT_GT_BASE           (KSEG1ADDR(0x14000000))

/* Lasat 200 boards */
#define Vrc5074_PHYS_BASE       0x1fa00000
#define Vrc5074_BASE            (KSEG1ADDR(Vrc5074_PHYS_BASE))
#define PCI_WINDOW1             0x1a000000

#endif /* _LASAT_H */

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