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/*

** asm/bootinfo.h -- Definition of the Linux/68K boot information structure

**

** Copyright 1992 by Greg Harp

**

** This file is subject to the terms and conditions of the GNU General Public

** License.  See the file COPYING in the main directory of this archive

** for more details.

**

** Created 09/29/92 by Greg Harp

**

** 5/2/94 Roman Hodek:

**   Added bi_atari part of the machine dependent union bi_un; for now it

**       contains just a model field to distinguish between TT and Falcon.

*/

#ifndef BOOTINFO_H

#define BOOTINFO_H

#include <asm/zorro.h>

/*

 * Amiga specific part of bootinfo structure.

 */

#define NUM_AUTO    16

#ifndef __ASSEMBLY__

#define AMIGAHW_DECLARE(name)   unsigned name : 1

#define AMIGAHW_SET(name)       (boot_info.bi_amiga.hw_present.name = 1)

#define AMIGAHW_PRESENT(name)   (boot_info.bi_amiga.hw_present.name)

struct bi_Amiga {

  int model;                            /* Amiga Model (3000?) */

  int num_autocon;                      /* # of autoconfig devices found */

  struct ConfigDev autocon[NUM_AUTO];   /* up to 16 autoconfig devices */

#ifdef HACKER_KERNEL

  void (*exit_func)(void);              /* addr of function to exit kernel */

  unsigned long chip_addr;              /* start of chip memory (bytes) */

#endif

  unsigned long chip_size;              /* size of chip memory (bytes) */

  unsigned char vblank;                 /* VBLANK frequency */

  unsigned char psfreq;                 /* power supply frequency */

  unsigned long eclock;                 /* EClock frequency */

  unsigned long chipset;                /* native chipset present */

  struct {

    /* video hardware */

    AMIGAHW_DECLARE(AMI_VIDEO);         /* Amiga Video */

    AMIGAHW_DECLARE(AMI_BLITTER);       /* Amiga Blitter */

    AMIGAHW_DECLARE(AMBER_FF);          /* Amber Flicker Fixer */

    /* sound hardware */

    AMIGAHW_DECLARE(AMI_AUDIO);         /* Amiga Audio */

    /* disk storage interfaces */

    AMIGAHW_DECLARE(AMI_FLOPPY);        /* Amiga Floppy */

    AMIGAHW_DECLARE(A3000_SCSI);        /* SCSI (wd33c93, A3000 alike) */

    AMIGAHW_DECLARE(A4000_SCSI);        /* SCSI (ncr53c710, A4000T alike) */

    AMIGAHW_DECLARE(A1200_IDE);         /* IDE (A1200 alike) */

    AMIGAHW_DECLARE(A4000_IDE);         /* IDE (A4000 alike) */

    AMIGAHW_DECLARE(CD_ROM);            /* CD ROM drive */

    /* other I/O hardware */

    AMIGAHW_DECLARE(AMI_KEYBOARD);      /* Amiga Keyboard */

    AMIGAHW_DECLARE(AMI_MOUSE);         /* Amiga Mouse */

    AMIGAHW_DECLARE(AMI_SERIAL);        /* Amiga Serial */

    AMIGAHW_DECLARE(AMI_PARALLEL);      /* Amiga Parallel */

    /* real time clocks */

    AMIGAHW_DECLARE(A2000_CLK);         /* Hardware Clock (A2000 alike) */

    AMIGAHW_DECLARE(A3000_CLK);         /* Hardware Clock (A3000 alike) */

    /* supporting hardware */

    AMIGAHW_DECLARE(CHIP_RAM);          /* Chip RAM */

    AMIGAHW_DECLARE(PAULA);             /* Paula (8364) */

    AMIGAHW_DECLARE(DENISE);            /* Denise (8362) */

    AMIGAHW_DECLARE(DENISE_HR);         /* Denise (8373) */

    AMIGAHW_DECLARE(LISA);              /* Lisa (8375) */

    AMIGAHW_DECLARE(AGNUS_PAL);         /* Normal/Fat PAL Agnus (8367/8371) */

    AMIGAHW_DECLARE(AGNUS_NTSC);        /* Normal/Fat NTSC Agnus (8361/8370) */

    AMIGAHW_DECLARE(AGNUS_HR_PAL);      /* Fat Hires PAL Agnus (8372) */

    AMIGAHW_DECLARE(AGNUS_HR_NTSC);     /* Fat Hires NTSC Agnus (8372) */

    AMIGAHW_DECLARE(ALICE_PAL);         /* PAL Alice (8374) */

    AMIGAHW_DECLARE(ALICE_NTSC);        /* NTSC Alice (8374) */

    AMIGAHW_DECLARE(MAGIC_REKICK);      /* A3000 Magic Hard Rekick */

    AMIGAHW_DECLARE(ZORRO);             /* Zorro AutoConfig */

  } hw_present;

};

#else   /* __ASSEMBLY__ */

BI_amiga_model          = BI_un

BI_amiga_num_autcon     = BI_amiga_model+4

BI_amiga_autocon        = BI_amiga_num_autcon+4

#ifdef HACKER_KERNEL

BI_amiga_exit_func      = BI_amiga_autocon+(CD_sizeof*NUM_AUTO)

BI_amiga_chip_addr      = BI_amiga_exit_func+4

BI_amiga_chip_size      = BI_amiga_chip_addr+4

#else

BI_amiga_chip_size      = BI_amiga_autocon+(CD_sizeof*NUM_AUTO)

#endif

BI_amiga_vblank         = BI_amiga_chip_size+4

BI_amiga_psfreq         = BI_amiga_vblank+1

BI_amiga_eclock         = BI_amiga_psfreq+1

BI_amiga_chipset        = BI_amiga_eclock+4

BI_amiga_hw_present     = BI_amiga_chipset+4

#endif  /* __ASSEMBLY__ */

/* Atari specific part of bootinfo */

/*

 * Define several Hardware-Chips for indication so that for the ATARI we do

 * no longer decide whether it is a Falcon or other machine . It's just

 * important what hardware the machine uses

 */

/* ++roman 08/08/95: rewritten from ORing constants to a C bitfield */

#ifndef __ASSEMBLY__

#define ATARIHW_DECLARE(name)   unsigned name : 1

#define ATARIHW_SET(name)       (boot_info.bi_atari.hw_present.name = 1)

#define ATARIHW_PRESENT(name)   (boot_info.bi_atari.hw_present.name)

struct bi_Atari {

  struct {

    /* video hardware */

    ATARIHW_DECLARE(STND_SHIFTER);      /* ST-Shifter - no base low ! */

    ATARIHW_DECLARE(EXTD_SHIFTER);      /* STe-Shifter - 24 bit address */

    ATARIHW_DECLARE(TT_SHIFTER);        /* TT-Shifter */

    ATARIHW_DECLARE(VIDEL_SHIFTER);     /* Falcon-Shifter */

    /* sound hardware */

    ATARIHW_DECLARE(YM_2149);           /* Yamaha YM 2149 */

    ATARIHW_DECLARE(PCM_8BIT);          /* PCM-Sound in STe-ATARI */

    ATARIHW_DECLARE(CODEC);             /* CODEC Sound (Falcon) */

    /* disk storage interfaces */

    ATARIHW_DECLARE(TT_SCSI);           /* Directly mapped NCR5380 */

    ATARIHW_DECLARE(ST_SCSI);           /* NCR5380 via ST-DMA (Falcon) */

    ATARIHW_DECLARE(ACSI);              /* Standard ACSI like in STs */

    ATARIHW_DECLARE(IDE);               /* IDE Interface */

    ATARIHW_DECLARE(FDCSPEED);          /* 8/16 MHz switch for FDC */

    /* other I/O hardware */

    ATARIHW_DECLARE(ST_MFP);            /* The ST-MFP (there should

                                           be no Atari without

                                           it... but who knows?) */

    ATARIHW_DECLARE(TT_MFP);            /* 2nd MFP */

    ATARIHW_DECLARE(SCC);               /* Serial Communications Contr. */

    ATARIHW_DECLARE(ST_ESCC);           /* SCC Z83230 in an ST */

    ATARIHW_DECLARE(ANALOG_JOY);        /* Paddle Interface for STe

                                           and Falcon */

    ATARIHW_DECLARE(MICROWIRE);         /* Microwire Interface */

    /* DMA */

    ATARIHW_DECLARE(STND_DMA);          /* 24 Bit limited ST-DMA */

    ATARIHW_DECLARE(EXTD_DMA);          /* 32 Bit ST-DMA */

    ATARIHW_DECLARE(SCSI_DMA);          /* DMA for the NCR5380 */

    ATARIHW_DECLARE(SCC_DMA);           /* DMA for the SCC */

    /* real time clocks */

    ATARIHW_DECLARE(TT_CLK);            /* TT compatible clock chip */

    ATARIHW_DECLARE(MSTE_CLK);          /* Mega ST(E) clock chip */

    /* supporting hardware */

    ATARIHW_DECLARE(SCU);               /* System Control Unit */

    ATARIHW_DECLARE(BLITTER);           /* Blitter */

    ATARIHW_DECLARE(VME);               /* VME Bus */

  } hw_present;

  unsigned long mch_cookie;             /* _MCH cookie from TOS */

};

/* mch_cookie values (upper word) */

#define ATARI_MCH_ST            0

#define ATARI_MCH_STE           1

#define ATARI_MCH_TT            2

#define ATARI_MCH_FALCON        3

struct mem_info {

  unsigned long addr;           /* physical address of memory chunk */

  unsigned long size;           /* length of memory chunk (in bytes) */

};

#else   /* __ASSEMBLY__ */

MI_addr         = 0

MI_size         = MI_addr+4

MI_sizeof       = MI_size+4

#endif /* __ASSEMBLY__ */

#define NUM_MEMINFO  4

#define MACH_AMIGA   1

#define MACH_ATARI   2

#define MACH_MAC     3

/*

 * CPU and FPU types

 */

#define CPUB_68020 0

#define CPUB_68030 1

#define CPUB_68040 2

#define CPUB_68060 3

#define FPUB_68881 5

#define FPUB_68882 6

#define FPUB_68040 7    /* Internal FPU */

#define FPUB_68060 8    /* Internal FPU */

#define CPU_68020    (1<<CPUB_68020)

#define CPU_68030    (1<<CPUB_68030)

#define CPU_68040    (1<<CPUB_68040)

#define CPU_68060    (1<<CPUB_68060)

#define CPU_MASK     (31)

#define FPU_68881    (1<<FPUB_68881)

#define FPU_68882    (1<<FPUB_68882)

#define FPU_68040    (1<<FPUB_68040)    /* Internal FPU */

#define FPU_68060    (1<<FPUB_68060)    /* Internal FPU */

#define CL_SIZE      (256)

#ifndef __ASSEMBLY__

#define MACH_IS_AMIGA   (boot_info.machtype == MACH_AMIGA)

#define MACH_IS_ATARI   (boot_info.machtype == MACH_ATARI)

struct bootinfo {

  unsigned long machtype;               /* machine type */

  unsigned long cputype;                /* system CPU & FPU */

  struct mem_info memory[NUM_MEMINFO];  /* memory description */

  int num_memory;                       /* # of memory blocks found */

  unsigned long ramdisk_size;           /* ramdisk size in 1024 byte blocks */

  unsigned long ramdisk_addr;           /* address of the ram disk in mem */

  char command_line[CL_SIZE];           /* kernel command line parameters */

  union {

    struct bi_Amiga bi_ami;     /* Amiga specific information */

    struct bi_Atari bi_ata;     /* Atari specific information */

  } bi_un;

};

#define bi_amiga bi_un.bi_ami

#define bi_atari bi_un.bi_ata

#define bi_mac   bi_un.bi_mac

extern struct bootinfo

    boot_info;

#else   /* __ASSEMBLY__ */

BI_machtype     = 0

BI_cputype      = BI_machtype+4

BI_memory       = BI_cputype+4

BI_num_memory   = BI_memory+(MI_sizeof*NUM_MEMINFO)

BI_ramdisk_size = BI_num_memory+4

BI_ramdisk_addr = BI_ramdisk_size+4

BI_command_line = BI_ramdisk_addr+4

BI_un           = BI_command_line+CL_SIZE

#endif /* __ASSEMBLY__ */

/*

 * Stuff for bootinfo interface versioning

 *

 * At the start of kernel code, a 'struct bootversion' is located. bootstrap

 * checks for a matching version of the interface before booting a kernel, to

 * avoid user confusion if kernel and bootstrap don't work together :-)

 *

 * If incompatible changes are made to the bootinfo interface, the major

 * number below should be stepped (and the minor reset to 0) for the

 * appropriate machine. If a change is backward-compatible, the minor should

 * be stepped. "Backwards-compatible" means that booting will work, but

 * certain features may not.

 */

#define BOOTINFOV_MAGIC                 0x4249561A      /* 'BIV^Z' */

#define MK_BI_VERSION(major,minor)      (((major)<<16)+(minor))

#define BI_VERSION_MAJOR(v)             (((v) >> 16) & 0xffff)

#define BI_VERSION_MINOR(v)             ((v) & 0xffff)

#ifndef __ASSEMBLY__

struct bootversion {

    unsigned short branch;

    unsigned long magic;

    struct {

       unsigned long machtype;

       unsigned long version;

    } machversions[0];

};

#endif /* __ASSEMBLY__ */

#define AMIGA_BOOTI_VERSION    MK_BI_VERSION( 1, 0 )

#define ATARI_BOOTI_VERSION    MK_BI_VERSION( 1, 0 )

#endif /* BOOTINFO_H */