/*
* 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 */