Subversion Repositories openrisc_me

/*  bsp.h

 *

 *  Following defines must reflect the setup of the particular MVME167.

 *  All page references are to the MVME166/MVME167/MVME187 Single Board

 *  Computer Programmer's Reference Guide (MVME187PG/D2) with the April

 *  1993 supplements/addenda (MVME187PG/D2A1).

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  Modifications of respective RTEMS file:

 *  Copyright (c) 1998, National Research Council of Canada

 *

 *  $Id: bsp.h,v 1.2 2001-09-27 12:00:19 chris Exp $

 */

#ifndef __MVME167_H

#define __MVME167_H

#ifdef __cplusplus

extern "C" {

#endif

#include <rtems.h>

#include <clockdrv.h>

#include <console.h>

#include <iosupp.h>

/*

 *  confdefs.h overrides for this BSP:

 *   - termios serial ports (defaults to 1)

 *   - Interrupt stack space is not minimum if defined.

 */

#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 4

#define CONFIGURE_INTERRUPT_STACK_MEMORY  (4 * 1024)

/*

 * Network driver configuration

 */

struct rtems_bsdnet_ifconfig;

extern int uti596_attach(struct rtems_bsdnet_ifconfig * pConfig );

#define RTEMS_BSP_NETWORK_DRIVER_NAME   "uti1"

#define RTEMS_BSP_NETWORK_DRIVER_ATTACH uti596_attach

/*

 *  This is NOT the base address of local RAM!

 *  This is the base local address of the VMEbus short I/O space. A local

 *  access to this space results in a A16 VMEbus I/O cycle. This base address

 *  is NOT configurable on the MVME167, although the types of VMEbus short I/O

 *  cycles generated when a cycle in the local 0xFFFF0000-0xFFFFFFFF address

 *  range is generated is under control of bits 8-15 of LCSR 0xFFF4002C. The

 *  GCSRs of other boards are accessible only through the VMEbus short I/O

 *  space. See pages 2-45 and 2-7.

 */

#define BOARD_BASE_ADDRESS 0xFFFF0000

/*

 *  This address must be added to the BOARD_BASE_ADDRESS to access the GCSR of

 *  other MVMEs in the group, i.e. it represents the offset of the GCSRs in the

 *  VMEbus short I/O space. It also should represent the group address of this

 *  MVME167! The group address is configurable, and must match the address

 *  programmed into the MVME167 through the 167Bug monitor. 0xCC is the address

 *  recommended by Motorola. It is arbitrary.

 *  See pages 2-42 and 2-97 to 2-104.

 */

#define GROUP_BASE_ADDRESS 0x0000CC00

/*

 *  Representation of the GCSR

 */

typedef volatile struct gcsr_regs_ {

  unsigned char     chip_revision;

  unsigned char     chip_id;

  unsigned char     lmsig;

  unsigned char     board_scr;

  unsigned short    gpr[6];

} gcsr_regs;

/* Address of GCSR in VMEbus space */

#define gcsr_vme    ((gcsr_regs * const) (GROUP_BASE_ADDRESS + BOARD_BASE_ADDRESS))

/* Address of GCSR in local space */

#define gcsr        ((gcsr_regs * const) 0xFFF40100)

/*

 *  Representation of the VMEchip2 LCSR.

 *  Could be made more detailed.

 */

typedef volatile struct lcsr_regs_ {

  unsigned long     slave_adr[2];       /* 0xFFF40000 */

  unsigned long     slave_trn[2];       /* 0xFFF40008 */

  unsigned long     slave_ctl;          /* 0xFFF40010 */

  unsigned long     mastr_adr[4];       /* 0xFFF40014 */

  unsigned long     mastr_trn;          /* 0xFFF40024 */

  unsigned long     mastr_att;          /* 0xFFF40028 */

  unsigned long     mastr_ctl;          /* 0xFFF4002C */

  unsigned long     dma_ctl_1;          /* 0xFFF40030 */

  unsigned long     dma_ctl_2;          /* 0xFFF40034 */

  unsigned long     dma_loc_cnt;        /* 0xFFF40038 */

  unsigned long     dma_vme_cnt;        /* 0xFFF4003C */

  unsigned long     dma_byte_cnt;       /* 0xFFF40040 */

  unsigned long     dma_adr_cnt;        /* 0xFFF40044 */

  unsigned long     dma_status;         /* 0xFFF40048 */

  unsigned long     to_ctl;             /* 0xFFF4004C */

  unsigned long     timer_cmp_1;        /* 0xFFF40050 */

  unsigned long     timer_cnt_1;        /* 0xFFF40054 */

  unsigned long     timer_cmp_2;        /* 0xFFF40058 */

  unsigned long     timer_cnt_2;        /* 0xFFF4005C */

  unsigned long     board_ctl;          /* 0xFFF40060 */

  unsigned long     prescaler_cnt;      /* 0xFFF40064 */

  unsigned long     intr_stat;          /* 0xFFF40068 */

  unsigned long     intr_ena;           /* 0xFFF4006C */

  unsigned long     intr_soft_set;      /* 0xFFF40070 */

  unsigned long     intr_clear;         /* 0xFFF40074 */

  unsigned long     intr_level[4];      /* 0xFFF40078 */

  unsigned long     vector_base;        /* 0xFFF40088 */

} lcsr_regs;

/*

 *  Base address of VMEchip2 LCSR

 *  Not configurable on the MVME167.

 */

#define lcsr        ((lcsr_regs * const) 0xFFF40000)

/*

 *  Vector numbers for the interrupts from the VMEchip2. Use the values

 *  "recommended" by Motorola.

 *  See pages 2-70 to 2-92, and table 2-3.

 */

/* MIEN (Master Interrupt Enable) bit in LCSR 0xFFF40088. */

#define MASK_INT    0x00800000

/* The content of VBR0 corresponds to "X" in table 2-3 */

#define VBR0        0x6

/* The content of VBR1 corresponds to "Y" in table 2-3 */

#define VBR1        0x7

/*

 *  Representation of the PCCchip2

 */

typedef volatile struct pccchip2_regs_ {

  unsigned char     chip_id;            /* 0xFFF42000 */

  unsigned char     chip_revision;      /* 0xFFF42001 */

  unsigned char     gen_control;        /* 0xFFF42002 */

  unsigned char     vector_base;        /* 0xFFF42003 */

  unsigned long     timer_cmp_1;        /* 0xFFF42004 */

  unsigned long     timer_cnt_1;        /* 0xFFF42008 */

  unsigned long     timer_cmp_2;        /* 0xFFF4200C */

  unsigned long     timer_cnt_2;        /* 0xFFF42010 */

  unsigned char     LSB_prescaler_count;/* 0xFFF42014 */

  unsigned char     prescaler_clock_adjust; /* 0xFFF42015 */

  unsigned char     timer_ctl_2;        /* 0xFFF42016 */

  unsigned char     timer_ctl_1;        /* 0xFFF42017 */

  unsigned char     gpi_int_ctl;        /* 0xFFF42018 */

  unsigned char     gpio_ctl;           /* 0xFFF42019 */

  unsigned char     timer_int_ctl_2;    /* 0xFFF4201A */

  unsigned char     timer_int_ctl_1;    /* 0xFFF4201B */

  unsigned char     SCC_error;          /* 0xFFF4201C */

  unsigned char     SCC_modem_int_ctl;  /* 0xFFF4201D */

  unsigned char     SCC_tx_int_ctl;     /* 0xFFF4201E */

  unsigned char     SCC_rx_int_ctl;     /* 0xFFF4201F */

  unsigned char     reserved1[3];

  unsigned char     modem_piack;        /* 0xFFF42023 */

  unsigned char     reserved2;

  unsigned char     tx_piack;           /* 0xFFF42025 */

  unsigned char     reserved3;

  unsigned char     rx_piack;           /* 0xFFF42027 */

  unsigned char     LANC_error;         /* 0xFFF42028 */

  unsigned char     reserved4;

  unsigned char     LANC_int_ctl;       /* 0xFFF4202A */

  unsigned char     LANC_berr_ctl;      /* 0xFFF4202B */

  unsigned char     SCSI_error;         /* 0xFFF4202C */

  unsigned char     reserved5[2];

  unsigned char     SCSI_int_ctl;       /* 0xFFF4202F */

  unsigned char     print_ack_int_ctl;  /* 0xFFF42030 */

  unsigned char     print_fault_int_ctl;/* 0xFFF42031 */

  unsigned char     print_sel_int_ctl;  /* 0xFFF42032 */

  unsigned char     print_pe_int_ctl;   /* 0xFFF42033 */

  unsigned char     print_busy_int_ctl; /* 0xFFF42034 */

  unsigned char     reserved6;

  unsigned char     print_input_status; /* 0xFFF42036 */

  unsigned char     print_ctl;          /* 0xFFF42037 */

  unsigned char     chip_speed;         /* 0xFFF42038 */

  unsigned char     reserved7;

  unsigned char     print_data;         /* 0xFFF4203A */

  unsigned char     reserved8[3];

  unsigned char     int_level;          /* 0xFFF4203E */

  unsigned char     int_mask;           /* 0xFFF4203F */

} pccchip2_regs;

/*

 *  Base address of the PCCchip2.

 *  This is not configurable in the MVME167.

 */

#define pccchip2    ((pccchip2_regs * const) 0xFFF42000)

/*

 * Vector numbers for the interrupts from the PCCchip2. Use the values

 * "recommended" by Motorola.

 * See page 3-15.

 */

#define PCCCHIP2_VBR    0x5

/*

 * The MVME167 is equiped with one or two MEMC040 memory controllers at

 * 0xFFF43000 and 0xFFF43100. This port assumes that the controllers

 * were initialized by 167Bug.

 */

typedef volatile struct memc040_regs_ {

  unsigned char     chip_id;            /* 0xFFF43000/0xFFF43100 */

  unsigned char     reserved1[3];

  unsigned char     chip_revision;      /* 0xFFF43004/0xFFF43104 */

  unsigned char     reserved2[3];

  unsigned char     mem_config;         /* 0xFFF43008/0xFFF43108 */

  unsigned char     reserved3[3];

  unsigned char     alt_status;         /* 0xFFF4300C/0xFFF4310C */

  unsigned char     reserved4[3];

  unsigned char     alt_ctl;            /* 0xFFF43010/0xFFF43110 */

  unsigned char     reserved5[3];

  unsigned char     base_addr;          /* 0xFFF43014/0xFFF43114 */

  unsigned char     reserved6[3];

  unsigned char     ram_ctl;            /* 0xFFF43018/0xFFF43118 */

  unsigned char     reserved7[3];

  unsigned char     bus_clk;            /* 0xFFF4301C/0xFFF4311C */

} memc040_regs;

/*

 *  Base address of the MEMC040s.

 *  This is not configurable in the MVME167.

 */

#define memc040_1   ((memc040_regs * const) 0xFFF43000)

#define memc040_2   ((memc040_regs * const) 0xFFF43100)

/*

 *  The MVME167 may be equiped with error-correcting RAM cards. In this case,

 *  each MEMC040 is replaced by two MCECC ECC DRAM controllers. This port

 *  assumes that these controllers, if present, are initialized by 167Bug.

 *  They do not appear to hold information of interest at this time, so they

 *  are not described. However, each MCECC pair lives at the same address as

 *  the MEMC040 is replaces. The first eight registers of the MCECC are

 *  nearly identical to the ones of the MEMC040, and the memc040_X structures

 *  can be used to read those first eight registers.

 */

/*

 *  Representation of the Cirrus Logic CL-CD2401 Multi-Protocol Controller

 */

typedef volatile struct cd2401_regs_ {

  unsigned char     reserved1[7];

  unsigned char     cor7;           /* 0xFFF45007 - Channel Option 7 */

  unsigned char     reserved2;

  unsigned char     livr;           /* 0xFFF45009 - Local Interrupt Vector */

  unsigned char     reserved3[6];

  unsigned char     cor1;           /* 0xFFF45010 - Channel Option 1 */

  unsigned char     ier;            /* 0xFFF45011 - Interrupt Enable */

  unsigned char     stcr;           /* 0xFFF45012 - Special Transmit Command */

  unsigned char     ccr;            /* 0xFFF45013 - Channel Command */

  unsigned char     cor5;           /* 0xFFF45014 - Channel Option 5 */

  unsigned char     cor4;           /* 0xFFF45015 - Channel Option 4 */

  unsigned char     cor3;           /* 0xFFF45016 - Channel Option 3 */

  unsigned char     cor2;           /* 0xFFF45017 - Channel Option 2 */

  unsigned char     cor6;           /* 0xFFF45018 - Channel Option 6 */

  unsigned char     dmabsts;        /* 0xFFF45019 - DMA Buffer Status */

  unsigned char     csr;            /* 0xFFF4501A - Channel Status */

  unsigned char     cmr;            /* 0xFFF4501B - Channel Mode */

  union {

    struct {

      unsigned char schr4;          /* 0xFFF4501C - Special Character 4 */

      unsigned char schr3;          /* 0xFFF4501D - Special Character 3 */

      unsigned char schr2;          /* 0xFFF4501E - Special Character 2 */

      unsigned char schr1;          /* 0xFFF4501F - Special Character 1 */

    } async;

    struct {

      unsigned char rfar4;          /* 0xFFF4501C - Receive Frame Address 4 */

      unsigned char rfar3;          /* 0xFFF4501D - Receive Frame Address 3 */

      unsigned char rfar2;          /* 0xFFF4501E - Receive Frame Address 2 */

      unsigned char rfar1;          /* 0xFFF4501F - Receive Frame Address 1 */

    } sync;

  } u1;

  unsigned char     reserved4[2];

  unsigned char     scrh;           /* 0xFFF45022 - Special Character Range High */

  unsigned char     scrl;           /* 0xFFF45023 - Special Character Range Low */

  union {

    struct {

      unsigned short rtpr;          /* 0xFFF45024 - Receive Timeout Period */

    } w;

    struct {

      unsigned char rtprh;          /* 0xFFF45024 - Receive Timeout Period High */

      unsigned char rtprl;          /* 0xFFF45025 - Receive Timeout Period Low */

    } b;

  } u2;

  unsigned char     licr;           /* 0xFFF45026 - Local Interrupt Channel */

  unsigned char     reserved5[2];

  union {

    struct {

      unsigned char ttr;            /* 0xFFF45029 - Transmit Timer */

    } async;

    struct {

      unsigned char gt2;            /* 0xFFF45029 - General Timer 2 */

    } sync;

  } u3;

  union {

    struct {

      unsigned short gt1;           /* 0xFFF4502A - General Timer 1 */

    } w;

    struct {

      unsigned char gt1h;           /* 0xFFF4502A - General Timer 2 High */

      unsigned char gt1l;           /* 0xFFF4502B - General Timer 1 Low */

    } b;

  } u4;

  unsigned char     reserved6[2];

  unsigned char     lnxt;           /* 0xFF4502E - LNext Character */

  unsigned char     reserved7;

  unsigned char     rfoc;           /* 0xFFF45030 - Receive FIFO Output Count */

  unsigned char     reserved8[7];

  unsigned short    tcbadru;        /* 0xFF45038 - Transmit Current Buffer Address Upper */

  unsigned short    tcbadrl;        /* 0xFF4503A - Transmit Current Buffer Address Lower */

  unsigned short    rcbadru;        /* 0xFF4503C - Receive Current Buffer Address Upper */

  unsigned short    rcbadrl;        /* 0xFF4503E - Receive Current Buffer Address Lower */

  unsigned short    arbadru;        /* 0xFF45040 - A Receive Buffer Address Upper */

  unsigned short    arbardl;        /* 0xFF45042 - A Receive Buffer Address Lower */

  unsigned short    brbadru;        /* 0xFF45044 - B Receive Buffer Address Upper */

  unsigned short    brbadrl;        /* 0xFF45046 - B Receive Buffer Address Lower */

  unsigned short    brbcnt;         /* 0xFF45048 - B Receive Buffer Byte Count */

  unsigned short    arbcnt;         /* 0xFF4504A - A Receive Buffer Byte Count */

  unsigned short    reserved9;

  unsigned char     brbsts;         /* 0xFF4504E - B Receive Buffer Status */

  unsigned char     arbsts;         /* 0xFF4504F - A Receive Buffer Status */

  unsigned short    atbadru;        /* 0xFF45050 - A Transmit Buffer Address Upper */

  unsigned short    atbadrl;        /* 0xFF45052 - A Transmit Buffer Address Lower */

  unsigned short    btbadru;        /* 0xFF45054 - B Transmit Buffer Address Upper */

  unsigned short    btbadrl;        /* 0xFF45056 - B Transmit Buffer Address Lower */

  unsigned short    btbcnt;         /* 0xFF45058 - B Transmit Buffer Byte Count */

  unsigned short    atbcnt;         /* 0xFF4505A - A Transmit Buffer Byte Count */

  unsigned short    reserved10;

  unsigned char     btbsts;         /* 0xFF4505E - B Transmit Buffer Status */

  unsigned char     atbsts;         /* 0xFF4505F - A Transmit Buffer Status */

  unsigned char     reserved11[32];

  unsigned char     tftc;           /* 0xFFF45080 - Transmit FIFO Transfer Count */

  unsigned char     gfrcr;          /* 0xFFF45081 - Global Firmware Revision Code */

  unsigned char     reserved12[2];

  unsigned char     reoir;          /* 0xFFF45084 - Receive End Of Interrupt */

  unsigned char     teoir;          /* 0xFFF45085 - Transmit End Of Interrupt */

  unsigned char     meoir;          /* 0xFFF45086 - Modem End Of Interrupt */

  union {

    struct {

      unsigned short risr;          /* 0xFFF45088 - Receive Interrupt Status */

    } w;

    struct {

      unsigned char risrh;          /* 0xFFF45088 - Receive Interrupt Status High */

      unsigned char risrl;          /* 0xFFF45089 - Receive Interrupt Status Low */

    } b;

  } u5;

  unsigned char     tisr;           /* 0xFFF4508A - Transmit Interrupt Status */

  unsigned char     misr;           /* 0xFFF4508B - Modem/Timer Interrupt Status */

  unsigned char     reserved13[2];

  unsigned char     bercnt;         /* 0xFFF4508E - Bus Error Retry Count */

  unsigned char     reserved14[49];

  unsigned char     tcor;           /* 0xFFF450C0 - Transmit Clock Option */

  unsigned char     reserved15[2];

  unsigned char     tbpr;           /* 0xFFF450C3 - Transmit Baud Rate Period */

  unsigned char     reserved16[4];

  unsigned char     rcor;           /* 0xFFF450C8 - Receive Clock Option */

  unsigned char     reserved17[2];

  unsigned char     rbpr;           /* 0xFFF450CB - Receive Baud Rate Period */

  unsigned char     reserved18[10];

  unsigned char     cpsr;           /* 0xFFF450D6 - CRC Polynomial Select */

  unsigned char     reserved19[3];

  unsigned char     tpr;            /* 0xFFF450DA - Timer Period */

  unsigned char     reserved20[3];

  unsigned char     msvr_rts;       /* 0xFFF450DE - Modem Signal Value - RTS */

  unsigned char     msvr_dtr;       /* 0xFFF450DF - Modem Signal Value - DTR */

  unsigned char     tpilr;          /* 0xFFF450E0 - Transmit Priority Interrupt Level */

  unsigned char     rpilr;          /* 0xFFF450E1 - Receive Priority Interrupt Level */

  unsigned char     stk;            /* 0xFFF450E2 - Stack */

  unsigned char     mpilr;          /* 0xFFF450E3 - Modem Priority Interrupt Level */

  unsigned char     reserved21[8];

  unsigned char     tir;            /* 0xFFF450EC - Transmit Interrupt */

  unsigned char     rir;            /* 0xFFF450ED - Receive Interrupt */

  unsigned char     car;            /* 0xFFF450EE - Channel Access */

  unsigned char     mir;            /* 0xFFF450EF - Model Interrupt */

  unsigned char     reserved22[6];

  unsigned char     dmr;            /* 0xFFF450F6 - DMA Mode */

  unsigned char     reserved23;

  unsigned char     dr;             /* 0xFFF450F8 - Receive/Transmit Data */

} cd2401_regs;

/*

 *  Base address of the CD2401.

 *  This is not configurable in the MVME167.

 */

#define cd2401          ((cd2401_regs * const) 0xFFF45000)

/* CD2401 is clocked at 20 MHz */

#define CD2401_CLK_RATE 20000000

/*

 *  Debug print functions: implemented in console.c

 */

void printk( char *fmt, ... );

void BSP_output_string( char * buf );

/*

 *  Representation of 82596CA LAN controller: Memory Map

 */

typedef volatile struct i82596_regs_ {

  unsigned short        port_lower;                               /* 0xFFF46000 */

  unsigned short        port_upper;                     /* 0xFFF46002 */

  unsigned long         chan_attn;                                /* 0xFFF46004 */

} i82596_regs;

/*

 *  Base address of the 82596.

 */

#define i82596    ((i82596_regs * const) 0xFFF46000)

/* BSP-wide functions */

void bsp_cleanup( void );

m68k_isr_entry set_vector(

  rtems_isr_entry     handler,

  rtems_vector_number vector,

  int                 type

);

#ifdef M167_INIT

#undef EXTERN

#define EXTERN

#else

#undef EXTERN

#define EXTERN extern

#endif

/*

 *  Device Driver Table Entries

 */

/*

 * NOTE: Use the standard Console driver entry

 */

/*

 * NOTE: Use the standard Clock driver entry

 */

/*

 * How many libio files we want

 */

#define BSP_LIBIO_MAX_FDS       20

/* miscellaneous stuff assumed to exist */

extern rtems_configuration_table BSP_Configuration;

extern m68k_isr_entry M68Kvec[];   /* vector table address */

/*

 *  Define the time limits for RTEMS Test Suite test durations.

 *  Long test and short test duration limits are provided.  These

 *  values are in seconds and need to be converted to ticks for the

 *  application.

 *

 */

#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */

#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */

/*

 *  Define the interrupt mechanism for Time Test 27

 *

 *  NOTE: We use software interrupt 0

 */

#define MUST_WAIT_FOR_INTERRUPT 0

#define Install_tm27_vector( handler ) \

            set_vector( (handler), VBR1 * 0x10 + 0x8, 1 ); \

            lcsr->intr_level[2] |= 3; \

            lcsr->intr_ena |= 0x100

#define Cause_tm27_intr()  lcsr->intr_soft_set |= 0x100

#define Clear_tm27_intr()  lcsr->intr_clear |= 0x100

#define Lower_tm27_intr()

#ifdef __cplusplus

}

#endif

#endif

/* end of include file */