Subversion Repositories openrisc_2011-10-31

/*  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 */