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#ifndef CYGONCE_HAL_PLATFORM_INC

#define CYGONCE_HAL_PLATFORM_INC

##=============================================================================

##

##      platform.inc

##

##      Hitachi SE7751 board assembler header file

##

##=============================================================================

## ####ECOSGPLCOPYRIGHTBEGIN####

## -------------------------------------------

## This file is part of eCos, the Embedded Configurable Operating System.

## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.

##

## eCos is free software; you can redistribute it and/or modify it under

## the terms of the GNU General Public License as published by the Free

## Software Foundation; either version 2 or (at your option) any later

## version.

##

## eCos is distributed in the hope that it will be useful, but WITHOUT

## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

## for more details.

##

## You should have received a copy of the GNU General Public License

## along with eCos; if not, write to the Free Software Foundation, Inc.,

## 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

##

## As a special exception, if other files instantiate templates or use

## macros or inline functions from this file, or you compile this file

## and link it with other works to produce a work based on this file,

## this file does not by itself cause the resulting work to be covered by

## the GNU General Public License. However the source code for this file

## must still be made available in accordance with section (3) of the GNU

## General Public License v2.

##

## This exception does not invalidate any other reasons why a work based

## on this file might be covered by the GNU General Public License.

## -------------------------------------------

## ####ECOSGPLCOPYRIGHTEND####

##=============================================================================

#######DESCRIPTIONBEGIN####

##

## Author(s):   jskov

## Contributors:jskov

## Date:        2001-07-09

## Purpose:     Hitachi SE7751 platform startup

## Description: This file contains various definitions and macros that are

##              useful for writing assembly code for the Hitachi SE7751

##              board.

## Usage:

##              #include 

##              ...

##

##

######DESCRIPTIONEND####

##

##=============================================================================

#include 

#include 

#include 

#------------------------------------------------------------------------------

# Hardware initialization.

#define END   0

#define INT8  1

#define INT16 2

#define INT32 3

#define DELAY 4

        .macro  hal_hardware_init

        mova     init_table,r0

        mov      r0,r3

1:      mov.l    @r3+,r0                // Data type

        cmp/eq   #END,r0                // End of table

        bf       0f

        bra      9f

         nop

0:      cmp/eq   #INT8,r0

        bf       2f

        // 8 bit data

        mov.l    @r3+,r0                // addr

        mov.l    @r3+,r1                // data

        bra      1b

         mov.b   r1,@r0

2:      cmp/eq   #INT16,r0

        bf       3f

        // 16 bit data

        mov.l    @r3+,r0                // addr

        mov.l    @r3+,r1                // data

        bra      1b

         mov.w   r1,@r0

3:      cmp/eq   #INT32,r0

        bf       4f

        // 32 bit data

        mov.l    @r3+,r0                // addr

        mov.l    @r3+,r1                // data

        bra      1b

         mov.l   r1,@r0

4:      cmp/eq   #DELAY,r0

        bf       6f

        // delay

        mov.l    @r3+,r0                // count

5:      cmp/eq   #0,r0

        bt       1b

        bra      5b

         add     #-1,r0

6:      bra      1b

         nop

        .align  2

init_table:

        .long   INT16, CYGARC_REG_WTCSR, 0xA502

        .long   INT16, CYGARC_REG_WTCNT, 0x5A00

        .long   INT16, CYGARC_REG_FRQCR, CYGARC_REG_FRQCR_INIT

        .long   INT32, CYGARC_REG_BCR1, 0x00080008

        .long   INT16, CYGARC_REG_BCR2, 0x2ffc

        .long   INT32, CYGARC_REG_WCR1, 0x02770771

        .long   INT32, CYGARC_REG_WCR2, 0x7ffe4fe7

        .long   INT32, CYGARC_REG_WCR3, 0x01777771

        .long   INT16, CYGARC_REG_PCR,   0x0000

        .long   INT16, CYGARC_REG_RTCNT, 0xa500

        .long   INT16, CYGARC_REG_RTCOR, 0xa506

        .long   INT16, CYGARC_REG_RFCR,  0xa400

        .long   INT32, CYGARC_REG_MCR,   0x100901b4

        .long   INT8, 0xff940088, 0x00  // CS3 area SDRAM mode register

        .long   INT16, CYGARC_REG_RTCSR, 0xa508

        .long   DELAY, 100

        .long   INT32, CYGARC_REG_MCR,   0x500901b4

        .long   INT8, 0xff940088, 0x00  // CS3 area SDRAM mode register

        .long   INT16, CYGARC_REG_RTCSR, 0xa518

        .long   INT32, CYGARC_REG_PCTRA, 0x00000000

        .long   INT32, CYGARC_REG_PCTRB, 0x00000000

        .long   INT16, CYGARC_REG_GPIOIC, 0x0000

        .long   END

9:

        .endm

#------------------------------------------------------------------------------

# Monitor initialization.

#ifndef CYGPKG_HAL_SH_MON_DEFINED

#if     !defined(CYG_HAL_STARTUP_RAM) ||                \

        (       defined(CYG_HAL_STARTUP_RAM) &&         \

                !defined(CYGSEM_HAL_USE_ROM_MONITOR))

        # If we are not starting up from RAM, or we are starting in

        # RAM and NOT using a ROM monitor, initialize the VSR table.

        .macro  hal_mon_init

        mov.l   $hal_vsr_table,r3

        # Write exception vectors

        mov.l   $cyg_hal_default_exception_vsr,r4

        mov     #CYGNUM_HAL_VSR_EXCEPTION_COUNT,r5

1:      mov.l   r4,@r3

        add     #4,r3

        dt      r5

        bf      1b

        # Write interrupt vector

        mov.l   $cyg_hal_default_interrupt_vsr,r4

        mov.l   $hal_vsr_table,r3

        add     #CYGNUM_HAL_VECTOR_INTERRUPT*4,r3

        mov.l   r4,@r3

        bra     2f

         nop

        .align  2

        SYM_PTR_REF(cyg_hal_default_exception_vsr)

        SYM_PTR_REF(cyg_hal_default_interrupt_vsr)

        SYM_PTR_REF(hal_vsr_table)

2:

        .endm

#elif defined(CYG_HAL_STARTUP_RAM) && defined(CYGSEM_HAL_USE_ROM_MONITOR)

        # Initialize the VSR table entries

        # We only take control of the interrupt vector,

        # the rest are left to the ROM for now...

        .macro  hal_mon_init

        # Write interrupt vector

        mov.l   $hal_vsr_table,r3

        mov.l   $cyg_hal_default_interrupt_vsr,r4

        add     #CYGNUM_HAL_VECTOR_INTERRUPT*4,r3

        mov.l   r4,@r3

        bra     2f

         nop

        .align  2

        SYM_PTR_REF(cyg_hal_default_interrupt_vsr)

        SYM_PTR_REF(hal_vsr_table)

2:

        .endm

#else

        .macro  hal_mon_init

        .endm

#endif

#define CYGPKG_HAL_SH_MON_DEFINED

#endif // CYGPKG_HAL_SH_MON_DEFINED

#endif // CYGONCE_HAL_PLATFORM_INC