zorro.h

嵌入式ARM的一些源代码

#define PROD_FASTLANE_RAM      (0x0A)	/* FastLane RAM */
#define PROD_FASTLANE_SCSI     (0x0B)	/* FastLane/Blizzard 1230-II SCSI */
#define PROD_CYBERSTORM_SCSI   (0x0C)	/* CyberStorm Fast SCSI-II Controller */
#define PROD_BLIZZARD_1230_III (0x0D)	/* Blizzard 1230-III Turbo Board */
#define PROD_BLIZZARD_1230_IV  (0x11)	/* Blizzard 1230-IV Turbo Board */
#define PROD_CYBERVISION       (0x22)	/* CyberVision64 Graphics Board */

#define MANUF_APOLLO           (0x2222)	/* Apollo */
#define PROD_AT_APOLLO         (0x22)	/* AT-Apollo */
#define PROD_APOLLO_TURBO      (0x23)	/* Apollo Turbo Board */

#define MANUF_UWE_GERLACH      (0x3FF7)	/* Uwe Gerlach */
#define PROD_UG_RAM_ROM        (0xd4)	/* RAM/ROM */

#define MANUF_MACROSYSTEMS2    (0x4754)	/* MacroSystems Germany */
#define PROD_MAESTRO           (0x03)	/* Maestro */
#define PROD_VLAB              (0x04)	/* VLab */
#define PROD_MAESTRO_PRO       (0x05)	/* Maestro Pro */
#define PROD_RETINA_Z2         (0x06)	/* Retina Z2 Graphics Board */
#define PROD_MULTI_EVOLUTION   (0x08)	/* MultiEvolution */
#define PROD_RETINA_Z3         (0x10)	/* Retina Z3 Graphics Board */
#define PROD_FALCON_040        (0xFD)	/* Falcon '040 Turbo Board */


/* Illegal Manufacturer IDs. These do NOT appear in amiga/zorro.c! */

#define MANUF_HACKER_INC       (0x07DB)	/* Hacker Inc. */
#define PROD_HACKER_SCSI       (0x01)	/* Hacker Inc. SCSI Controller */

#define MANUF_RES_MNGT_FORCE   (0x07DB)	/* Resource Management Force */
#define PROD_QUICKNET          (0x02)	/* QuickNet Ethernet */


/*
 * GVP's identifies most of their product through the 'extended
 * product code' (epc). The epc has to be and'ed with the GVPEPCMASK
 * before the identification.
 */

#define GVP_EPCMASK (0xf8)

enum GVP_ident {
  GVP_GFORCE_040      = 0x20,
  GVP_GFORCE_040_SCSI = 0x30,
  GVP_A1291_SCSI      = 0x40,
  GVP_COMBO_R4        = 0x60,
  GVP_COMBO_R4_SCSI   = 0x70,
  GVP_PHONEPAK        = 0x78,
  GVP_IOEXT           = 0x98,
  GVP_GFORCE_030      = 0xa0,
  GVP_GFORCE_030_SCSI = 0xb0,
  GVP_A530            = 0xc0,
  GVP_A530_SCSI       = 0xd0,
  GVP_COMBO_R3        = 0xe0,
  GVP_COMBO_R3_SCSI   = 0xf0,
  GVP_SERIESII        = 0xf8,
};

enum GVP_flags {
  GVP_IO       = 0x01,
  GVP_ACCEL    = 0x02,
  GVP_SCSI     = 0x04,
  GVP_24BITDMA = 0x08,
  GVP_25BITDMA = 0x10,
  GVP_NOBANK   = 0x20,
  GVP_14MHZ    = 0x40,
};


struct Node {
    struct  Node *ln_Succ;	/* Pointer to next (successor) */
    struct  Node *ln_Pred;	/* Pointer to previous (predecessor) */
    u_char  ln_Type;
    char    ln_Pri;		/* Priority, for sorting */
    char    *ln_Name;		/* ID string, null terminated */
};

struct ExpansionRom {
    /* -First 16 bytes of the expansion ROM */
    u_char	er_Type;	/* Board type, size and flags */
    u_char	er_Product;	/* Product number, assigned by manufacturer */
    u_char	er_Flags;	/* Flags */
    u_char	er_Reserved03;	/* Must be zero ($ff inverted) */
    u_short	er_Manufacturer; /* Unique ID,ASSIGNED BY COMMODORE-AMIGA! */
    u_long	er_SerialNumber; /* Available for use by manufacturer */
    u_short	er_InitDiagVec;	/* Offset to optional "DiagArea" structure */
    u_char	er_Reserved0c;
    u_char	er_Reserved0d;
    u_char	er_Reserved0e;
    u_char	er_Reserved0f;
};

/* er_Type board type bits */
#define ERT_TYPEMASK	0xc0
#define ERT_ZORROII	0xc0
#define ERT_ZORROIII	0x80

/* other bits defined in er_Type */
#define ERTB_MEMLIST	5		/* Link RAM into free memory list */
#define ERTF_MEMLIST	(1<<5)

struct ConfigDev {
    struct Node 	cd_Node;
    u_char		cd_Flags;	/* (read/write) */
    u_char		cd_Pad; 	/* reserved */
    struct ExpansionRom cd_Rom; 	/* copy of board's expansion ROM */
    void		*cd_BoardAddr;	/* where in memory the board was placed */
    u_long		cd_BoardSize;	/* size of board in bytes */
    u_short		cd_SlotAddr;	/* which slot number (PRIVATE) */
    u_short		cd_SlotSize;	/* number of slots (PRIVATE) */
    void		*cd_Driver;	/* pointer to node of driver */
    struct ConfigDev	*cd_NextCD;	/* linked list of drivers to config */
    u_long		cd_Unused[4];	/* for whatever the driver wants */
};

#else	/* __ASSEMBLY__ */

LN_Succ		= 0
LN_Pred		= LN_Succ+4
LN_Type		= LN_Pred+4
LN_Pri		= LN_Type+1
LN_Name		= LN_Pri+1
LN_sizeof	= LN_Name+4

ER_Type		= 0
ER_Product	= ER_Type+1
ER_Flags	= ER_Product+1
ER_Reserved03	= ER_Flags+1
ER_Manufacturer	= ER_Reserved03+1
ER_SerialNumber	= ER_Manufacturer+2
ER_InitDiagVec	= ER_SerialNumber+4
ER_Reserved0c	= ER_InitDiagVec+2
ER_Reserved0d	= ER_Reserved0c+1
ER_Reserved0e	= ER_Reserved0d+1
ER_Reserved0f	= ER_Reserved0e+1
ER_sizeof	= ER_Reserved0f+1

CD_Node		= 0
CD_Flags	= CD_Node+LN_sizeof
CD_Pad		= CD_Flags+1
CD_Rom		= CD_Pad+1
CD_BoardAddr	= CD_Rom+ER_sizeof
CD_BoardSize	= CD_BoardAddr+4
CD_SlotAddr	= CD_BoardSize+4
CD_SlotSize	= CD_SlotAddr+2
CD_Driver	= CD_SlotSize+2
CD_NextCD	= CD_Driver+4
CD_Unused	= CD_NextCD+4
CD_sizeof	= CD_Unused+(4*4)

#endif	/* __ASSEMBLY__ */

#ifndef __ASSEMBLY__

/*
 * Zorro Functions
 */

extern int zorro_find(int manuf, int prod, int part, int index);
extern struct ConfigDev *zorro_get_board(int key);
extern void zorro_config_board(int key, int part);
extern void zorro_unconfig_board(int key, int part);


/*
 * Bitmask indicating portions of available Zorro II RAM that are unused
 * by the system. Every bit represents a 64K chunk, for a maximum of 8MB
 * (128 chunks, physical 0x00200000-0x009fffff).
 *
 * If you want to use (= allocate) portions of this RAM, you should clear
 * the corresponding bits.
 */

extern u_long zorro_unused_z2ram[4];

#define Z2RAM_START		(0x00200000)
#define Z2RAM_END		(0x00a00000)
#define Z2RAM_SIZE		(0x00800000)
#define Z2RAM_CHUNKSIZE		(0x00010000)
#define Z2RAM_CHUNKMASK		(0x0000ffff)
#define Z2RAM_CHUNKSHIFT	(16)


/*
 * Verbose Board Identification
 */

#ifdef CONFIG_ZORRO
extern void zorro_identify(void);
extern int zorro_get_list(char *buffer);
#endif CONFIG_ZORRO

#endif	/* __ASSEMBLY__ */

#endif /* _ASM_M68K_ZORRO_H_ */