lasat.h

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/*
 * lasat.h
 *
 * Thomas Horsten <[email protected]>
 * 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

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 the LASAT Hardware Configuration field specification for a detailed
 * description of the config field.
 */
#include <linux/types.h>

#define LASAT_EEPROM_VERSION 7
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;
};

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

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 */