gen2.h

RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating sys

/*  Gen2.h
 *
 *  This include file contains all Generation 2 board addreses
 *
 *  COPYRIGHT (c) 1989-1997.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may in
 *  the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id: 
 */

#ifndef __SCORE_GENERATION_2_h
#define __SCORE_GENERATION_2_h

#ifdef __cplusplus
extern "C" {
#endif

#include <rtems.h>

/*
 * ISA/PCI I/O space.
 */
#define SCORE603E_VME_JUMPER_ADDR      0x00e20000       
#define BSP_FLASH_BASE                 0x04000000
#define SCORE603E_ISA_PCI_IO_BASE      0x80000000
#define SCORE603E_TIMER_PORT_C         0xfd000000       
#define SCORE603E_TIMER_INT_ACK        0xfd000000       
#define SCORE603E_TIMER_PORT_B         0xfd000008
#define SCORE603E_TIMER_PORT_A         0xfd000004

#define SCORE603E_BOARD_CTRL_REG       ((volatile rtems_unsigned8 *)0xfd00002c)
#define SCORE603E_BRD_FLASH_DISABLE_MASK     0x40

#define SCORE603E_85C30_CTRL_0         ((volatile rtems_unsigned8 *)0xfe200020)
#define SCORE603E_85C30_DATA_0         ((volatile rtems_unsigned8 *)0xfe200024)
#define SCORE603E_85C30_CTRL_1         ((volatile rtems_unsigned8 *)0xfe200028)
#define SCORE603E_85C30_DATA_1         ((volatile rtems_unsigned8 *)0xfe20002c)
#define SCORE603E_85C30_CTRL_2         ((volatile rtems_unsigned8 *)0xfe200000)
#define SCORE603E_85C30_DATA_2         ((volatile rtems_unsigned8 *)0xfe200004)
#define SCORE603E_85C30_CTRL_3         ((volatile rtems_unsigned8 *)0xfe200008)
#define SCORE603E_85C30_DATA_3         ((volatile rtems_unsigned8 *)0xfe20000c)

/*
 * PSC8 - PMC Card 
 */
#define BSP_PCI_CONFIGURATION_BASE   0x80800000
#define BSP_PMC_BASE                 BSP_PCI_CONFIGURATION_BASE
#define BSP_PCI_PMC_DEVICE_BASE      0x80808000

#define BSP_PCI_REGISTER_BASE        0xfc000000

#define BSP_PCI_DEVICE_ADDRESS( _offset) \
         ((volatile rtems_unsigned32 *)( BSP_PCI_PMC_DEVICE_BASE + _offset ))


#define BSP_PMC_SERIAL_ADDRESS( _offset )    \
        ((volatile rtems_unsigned8 *)(BSP_PCI_REGISTER_BASE + _offset))

/*
 * PMC serial channels - (4-7: 232 and 8-11: 422)
 */
#define SCORE603E_85C30_CTRL_4        BSP_PMC_SERIAL_ADDRESS(0x200020)
#define SCORE603E_85C30_DATA_4        BSP_PMC_SERIAL_ADDRESS(0x200024)
#define SCORE603E_85C30_CTRL_5        BSP_PMC_SERIAL_ADDRESS(0x200028)
#define SCORE603E_85C30_DATA_5        BSP_PMC_SERIAL_ADDRESS(0x20002c)
#define SCORE603E_85C30_CTRL_6        BSP_PMC_SERIAL_ADDRESS(0x200030)
#define SCORE603E_85C30_DATA_6        BSP_PMC_SERIAL_ADDRESS(0x200034)
#define SCORE603E_85C30_CTRL_7        BSP_PMC_SERIAL_ADDRESS(0x200038)
#define SCORE603E_85C30_DATA_7        BSP_PMC_SERIAL_ADDRESS(0x20003c)
#define SCORE603E_85C30_CTRL_8        BSP_PMC_SERIAL_ADDRESS(0x200000)
#define SCORE603E_85C30_DATA_8        BSP_PMC_SERIAL_ADDRESS(0x200004)
#define SCORE603E_85C30_CTRL_9        BSP_PMC_SERIAL_ADDRESS(0x200008)
#define SCORE603E_85C30_DATA_9        BSP_PMC_SERIAL_ADDRESS(0x20000c)
#define SCORE603E_85C30_CTRL_10       BSP_PMC_SERIAL_ADDRESS(0x200010)
#define SCORE603E_85C30_DATA_10       BSP_PMC_SERIAL_ADDRESS(0x200014)
#define SCORE603E_85C30_CTRL_11       BSP_PMC_SERIAL_ADDRESS(0x200018)
#define SCORE603E_85C30_DATA_11       BSP_PMC_SERIAL_ADDRESS(0x20001c)

#define SCORE603E_PCI_IO_CFG_ADDR      0x80000cf8
#define SCORE603E_PCI_IO_CFG_DATA      0x80000cfc

#define SCORE603E_UNIVERSE_BASE        0x80030000
#define SCORE603E_IO_VME_UNIVERSE_BASE 0x80007000
#define BSP_PCI_MEM_BASE         0xc0000000
#define BSP_NVRAM_BASE           0xfd100000
#define BSP_RTC_ADDRESS          ((volatile unsigned char *)0xfd180000)
#define SCORE603E_JP1_JP2_PROM_BASE    0xfff00000
#define SCORE603E_NOT_JP1_2_FLASH_BASE 0xff800000

#if (SCORE603E_USE_SDS) | (SCORE603E_USE_OPEN_FIRMWARE) | (SCORE603E_USE_NONE)
#define SCORE603E_VME_A16_OFFSET       0x04000000
#elif (SCORE603E_USE_DINK)
#define SCORE603E_VME_A16_OFFSET       0x11000000
#define SCORE603E_VME_A24_OFFSET       0x10000000
#define BSP_VME_A24_BASE               (BSP_PCI_MEM_BASE+SCORE603E_VME_A24_OFFSET)
#else
#error "SCORE603E gen2.h -- what ROM monitor are you using"
#endif

#define BSP_VME_A16_BASE               (BSP_PCI_MEM_BASE+SCORE603E_VME_A16_OFFSET)

/*
 *  Definations for the ICM 1770 RTC chip
 */ 
    /*
     * These values are programed into a register and must not be changed.
     */
#define ICM1770_CRYSTAL_FREQ_32K      0x00
#define ICM1770_CRYSTAL_FREQ_1M       0x01
#define ICM1770_CRYSTAL_FREQ_2M       0x02
#define ICM1770_CRYSTAL_FREQ_4M       0x03

#define BSP_RTC_FREQUENCY             ICM1770_CRYSTAL_FREQ_32K 

/*
 *  Z85C30 Definations for the 423 interface.
 */
#define SCORE603E_85C30_0_CLOCK     14745600  /* 10,000,000 ?10->14.5 */
#define SCORE603E_85C30_0_CLOCK_X       16 

/*
 *  Z85C30 Definations for the 422 interface.
 */
#define SCORE603E_85C30_1_CLOCK     16000000  /* 10,000,000 ?10->14.5 */
#define SCORE603E_85C30_1_CLOCK_X       16    

/*
 *  Z85C30 Definations for the PMC serial chips
 */
#define SCORE603E_85C30_PMC_CLOCK     16000000  /* 10,000,000 ?10->14.5 */
#define SCORE603E_85C30_PMC_CLOCK_X       16    

#define SCORE603E_85C30_2_CLOCK       SCORE603E_85C30_PMC_CLOCK
#define SCORE603E_85C30_3_CLOCK       SCORE603E_85C30_PMC_CLOCK
#define SCORE603E_85C30_4_CLOCK       SCORE603E_85C30_PMC_CLOCK
#define SCORE603E_85C30_5_CLOCK       SCORE603E_85C30_PMC_CLOCK
#define SCORE603E_85C30_2_CLOCK_X     SCORE603E_85C30_PMC_CLOCK_X
#define SCORE603E_85C30_3_CLOCK_X     SCORE603E_85C30_PMC_CLOCK_X
#define SCORE603E_85C30_4_CLOCK_X     SCORE603E_85C30_PMC_CLOCK_X
#define SCORE603E_85C30_5_CLOCK_X     SCORE603E_85C30_PMC_CLOCK_X


#define SCORE603E_UNIVERSE_CHIP_ID     0x000010E3

/*
 * FPGA Interupt Address Definations.
 */
#define SCORE603E_FPGA_VECT_DATA    ((volatile rtems_unsigned16 *)0xfd000040)
#define SCORE603E_FPGA_BIT1_15_0    ((volatile rtems_unsigned16 *)0xfd000044)
#define SCORE603E_FPGA_MASK_DATA    ((volatile rtems_unsigned16 *)0xfd000048)
#define SCORE603E_FPGA_IRQ_INPUT    ((volatile rtems_unsigned16 *)0xfd00004c)

/*
 * The PMC status word is at the PMC base address 
 */
#define BSP_PMC_STATUS_ADDRESS  (BSP_PMC_SERIAL_ADDRESS (0))
#define Is_PMC_85C30_4_IRQ( _status ) (_status & 0x80)    /* SCC 422-1 */
#define Is_PMC_85C30_2_IRQ( _status ) (_status & 0x40)    /* SCC 232-1 */
#define Is_PMC_85C30_5_IRQ( _status ) (_status & 0x20)    /* SCC 422-2 */
#define Is_PMC_85C30_3_IRQ( _status ) (_status & 0x08)    /* SCC 232-2 */

#define SCORE603E_PMC_CONTROL_ADDRESS    BSP_PMC_SERIAL_ADDRESS(0x100000)
#define SCORE603E_PMC_SCC_232_LOOPBACK (_word) (_word|0x20)

#define PMC_SET_232_LOOPBACK(_word)   (_word | 0x02)   
#define PMC_CLEAR_232_LOOPBACK(_word) (_word & 0xfd)   
#define PMC_SET_422_LOOPBACK(_word)   (_word | 0x01)   
#define PMC_CLEAR_422_LOOPBACK(_word) (_word & 0xfe) 
  

/*
 *  Score603e Interupt Definations.
 */

/* 
 * First Score Unique IRQ
 */
#define Score_IRQ_First ( PPC_IRQ_LAST +  1 )

/*
 * The Following Are part of a Score603e FPGA.
 */
#define SCORE603E_IRQ00   ( Score_IRQ_First +  0 )
#define SCORE603E_IRQ01   ( Score_IRQ_First +  1 )
#define SCORE603E_IRQ02   ( Score_IRQ_First +  2 )
#define SCORE603E_IRQ03   ( Score_IRQ_First +  3 )
#define SCORE603E_IRQ04   ( Score_IRQ_First +  4 )
#define SCORE603E_IRQ05   ( Score_IRQ_First +  5 )
#define SCORE603E_IRQ06   ( Score_IRQ_First +  6 )
#define SCORE603E_IRQ07   ( Score_IRQ_First +  7 )
#define SCORE603E_IRQ08   ( Score_IRQ_First +  8 )
#define SCORE603E_IRQ09   ( Score_IRQ_First +  9 )
#define SCORE603E_IRQ10   ( Score_IRQ_First + 10 )
#define SCORE603E_IRQ11   ( Score_IRQ_First + 11 )
#define SCORE603E_IRQ12   ( Score_IRQ_First + 12 )
#define SCORE603E_IRQ13   ( Score_IRQ_First + 13 )
#define SCORE603E_IRQ14   ( Score_IRQ_First + 14 )
#define SCORE603E_IRQ15   ( Score_IRQ_First + 15 )

#define SCORE603E_TIMER1_IRQ           SCORE603E_IRQ00    
#define SCORE603E_TIMER2_IRQ           SCORE603E_IRQ01    
#define SCORE603E_TIMER3_IRQ           SCORE603E_IRQ02    
#define SCORE603E_85C30_1_IRQ          SCORE603E_IRQ03    
#define SCORE603E_85C30_0_IRQ          SCORE603E_IRQ04    
#define SCORE603E_RTC_IRQ              SCORE603E_IRQ05    
#define SCORE603E_PCI_IRQ_0            SCORE603E_IRQ06    
#define SCORE603E_PCI_IRQ_1            SCORE603E_IRQ07    
#define SCORE603E_PCI_IRQ_2            SCORE603E_IRQ08    
#define SCORE603E_PCI_IRQ_3            SCORE603E_IRQ09     
#define SCORE603E_UNIVERSE_IRQ         SCORE603E_IRQ10      
#define SCORE603E_1553_IRQ             SCORE603E_IRQ11    
#define SCORE603E_MAIL_BOX_IRQ_0       SCORE603E_IRQ12    
#define SCORE603E_MAIL_BOX_IRQ_1       SCORE603E_IRQ13    
#define SCORE603E_MAIL_BOX_IRQ_2       SCORE603E_IRQ14    
#define SCORE603E_MAIL_BOX_IRQ_3       SCORE603E_IRQ15    

/* 
 * The Score FPGA maps all interrupts comming from the PMC card to 
 * the FPGA interrupt SCORE603E_PCI_IRQ_0 the PMC status word must be
 * read to indicate which interrupt was chained to the FPGA.
 */
#define SCORE603E_IRQ16   ( Score_IRQ_First + 16 )
#define SCORE603E_IRQ17   ( Score_IRQ_First + 17 )
#define SCORE603E_IRQ18   ( Score_IRQ_First + 18 )
#define SCORE603E_IRQ19   ( Score_IRQ_First + 19 )

/*
 * IRQ'a read from the PMC card
 */
#define SCORE603E_85C30_4_IRQ          SCORE603E_IRQ16    /* SCC 422-1 */
#define SCORE603E_85C30_2_IRQ          SCORE603E_IRQ17    /* SCC 232-1 */
#define SCORE603E_85C30_5_IRQ          SCORE603E_IRQ18    /* SCC 422-2 */
#define SCORE603E_85C30_3_IRQ          SCORE603E_IRQ19    /* SCC 232-2 */

#define MAX_BOARD_IRQS                 SCORE603E_IRQ19

 
/*
 *  BSP_TIMER_AVG_OVERHEAD and BSP_TIMER_LEAST_VALID for the shared timer
 *  driver.
 */

#define BSP_TIMER_AVG_OVERHEAD   4  /* It typically takes xx clicks        */
                                    /*     to start/stop the timer.        */
#define BSP_TIMER_LEAST_VALID    1  /* Don't trust a value lower than this */

/*
 *  Convert decrement value to tenths of microsecnds (used by 
 *  shared timer driver).
 *
 *    + CPU has a 66.67 Mhz bus,
 *    + There are 4 bus cycles per click
 *    + We return value in 1/10 microsecond units.
 *   Modified following equation to integer equation to remove
 *   floating point math.
 *   (int) ((float)(_value) / ((66.67 * 0.1) / 4.0))
 */

#define BSP_Convert_decrementer( _value ) \
  (int) (((_value) * 4000) / 6667)

#endif

#ifdef __cplusplus
}
#endif