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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [sh/] [hs7729pci/] [v2_0/] [include/] [platform.inc] - Rev 454
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#ifndef CYGONCE_HAL_PLATFORM_INC
#define CYGONCE_HAL_PLATFORM_INC
##=============================================================================
##
## platform.inc
##
## Hitachi HS7729PCI board assembler header file
##
##=============================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, 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.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.
##
## This exception does not invalidate any other reasons why a work based on
## this file might be covered by the GNU General Public License.
##
## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
## at http://sources.redhat.com/ecos/ecos-license/
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
##=============================================================================
#######DESCRIPTIONBEGIN####
##
## Author(s): jskov
## Contributors:jskov, gthomas
## Date: 2001-05-25
## Purpose: Hitachi HS7729PCI platform startup
## Description: This file contains various definitions and macros that are
## useful for writing assembly code for the Hitachi HS7729PCI
## board.
## Usage:
## #include <cyg/hal/platform.inc>
## ...
##
##
######DESCRIPTIONEND####
##
##=============================================================================
#include <pkgconf/hal.h>
#include <cyg/hal/sh_offsets.inc>
#include <cyg/hal/sh_regs.h>
#------------------------------------------------------------------------------
# Hardware initialization.
.macro hal_hardware_init
// Set up the Bus State Controller
mova BSC_settings_table,r0
mov r0,r3
1: mov.w @r3+,r0 // Address (or zero)
cmp/eq #0,r0
bt 2f
mov.w @r3+,r1 // data
bra 1b
mov.w r1,@r0 // delay slot
.align 2
BSC_settings_table:
.word CYGARC_REG_WTCSR, 0xA502
.word CYGARC_REG_WTCNT, 0x5A00
.word CYGARC_REG_FRQCR, CYGARC_REG_FRQCR_INIT
# Settings from Hitachi docs
.word CYGARC_REG_BCR1, 0x0008
.word CYGARC_REG_BCR2, 0x2be0
.word CYGARC_REG_BCR3, 0x0000
.word CYGARC_REG_WCR1, 0x0c30
.word CYGARC_REG_WCR2, 0x6cdf
.word CYGARC_REG_MCR, 0x0014
# Settings from bootrom delivered with board
.word CYGARC_REG_DCR, 0x0000
.word CYGARC_REG_PCR, 0x0000
.word CYGARC_REG_RTCOR, 0xa580
.word CYGARC_REG_RFCR, 0xa400
.word CYGARC_REG_RTCNT, 0xa500
.word CYGARC_REG_RTCSR, 0xa508
.word 0
2:
mov.l $SDMR,r1 // Turns on SDRAM controller
mov.l $SDMR_val,r2
mov.b r2,@r1
mov.l $SDRAM,r1
mov.l $SDRAM_val,r2
mov.l r2,@r1
mova Post_settings_table,r0
mov r0,r3
1: mov.l @r3+,r0 // Address (or zero)
cmp/eq #0,r0
bt 4f
mov.l @r3+,r1 // data
bra 1b
mov.w r1,@r0 // delay slot
.align 4
$SDMR: .long 0xffffe880
$SDMR_val:
.long 0
$SDRAM:
.long CYGARC_REG_SD0001_SDRAM
$SDRAM_val:
.long CYGARC_REG_SD0001_SDRAM_INIT
Post_settings_table:
# PFC settings from bootrom
.long CYGARC_REG_PACR,0x0000
.long CYGARC_REG_PBCR,0x0000
.long CYGARC_REG_PCCR,0x5555
.long CYGARC_REG_PDCR,0x0055
.long CYGARC_REG_PECR,0xaa8a
.long CYGARC_REG_PFCR,0xaaaa
.long CYGARC_REG_PGCR,0xaaaa
.long CYGARC_REG_PHCR,0x6a00
.long CYGARC_REG_PJCR,0x0000
.long CYGARC_REG_PKCR,0x0000
.long CYGARC_REG_PLCR,0xaaaa
.long CYGARC_REG_SCPCR,0x0000
.long 0
4:
.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
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