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# ====================================================================
#
# hal_sh_sh4.cdl
#
# SH4 architectural HAL package configuration data
#
# ====================================================================
#####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
# Original data: jskov
# Contributors:
# Date: 1999-10-29
#
#####DESCRIPTIONEND####
#
# ====================================================================
cdl_package CYGPKG_HAL_SH_SH4 {
display "SH4 architecture"
parent CYGPKG_HAL_SH
hardware
include_dir cyg/hal
define_header hal_sh_sh4.h
description "
The SH4 (SuperH 4) architecture HAL package provides generic
support for this processor architecture. It is also
necessary to select a specific target platform HAL
package."
compile sh4_scif.c var_misc.c variant.S
define_proc {
puts $::cdl_system_header "#define CYGBLD_HAL_VARIANT_H <pkgconf/hal_sh_sh4.h>"
puts $::cdl_header "#define CYGBLD_HAL_VAR_EXCEPTION_MODEL_H <cyg/hal/hal_var_bank.h>"
puts $::cdl_header "#define CYGBLD_HAL_VAR_EXCEPTION_MODEL_INC <cyg/hal/hal_var_bank.inc>"
puts $::cdl_header "#define CYGBLD_HAL_VAR_INTR_MODEL_H <cyg/hal/hal_intr_excevt.h>"
}
# The "-o file" is a workaround for CR100958 - without it the
# output file would end up in the source directory under CygWin.
# n.b. grep does not behave itself under win32
make -priority 1 {
<PREFIX>/include/cyg/hal/sh4_offsets.inc : <PACKAGE>/src/var_mk_defs.c
$(CC) $(CFLAGS) $(INCLUDE_PATH) -Wp,-MD,sh4_offsets.tmp -o var_mk_defs.tmp -S $<
fgrep .equ var_mk_defs.tmp | sed s/#// > $@
@echo $@ ": \\" > $(notdir $@).deps
@tail +2 sh4_offsets.tmp >> $(notdir $@).deps
@echo >> $(notdir $@).deps
@rm sh4_offsets.tmp var_mk_defs.tmp
}
# CPU variant supported
cdl_component CYGPKG_HAL_SH_7750 {
display "SH 7750 microprocessor"
parent CYGPKG_HAL_SH_CPU
implements CYGINT_HAL_SH_VARIANT
implements CYGINT_HAL_SH_CPG_T1
requires ! CYGHWR_HAL_SH_CACHE_ENABLE
default_value 1
no_define
define -file=system.h CYGPKG_HAL_SH_7750
description "
The SH4 7750 microprocessor. This is an embedded part that in
addition to the SH4 processor core has built in peripherals
such as memory controllers, DMA controllers, serial ports and
timers/counters."
define_proc {
puts $cdl_system_header "#define CYGBLD_HAL_CPU_MODULES_H <cyg/hal/mod_7750.h>"
}
}
cdl_component CYGPKG_HAL_SH_7751 {
display "SH 7751 microprocessor"
parent CYGPKG_HAL_SH_CPU
implements CYGINT_HAL_SH_VARIANT
implements CYGINT_HAL_SH_CPG_T1
default_value 0
no_define
define -file=system.h CYGPKG_HAL_SH_7751
compile pcic.c
description "
The SH4 7751 microprocessor. This is an embedded part that in
addition to the SH4 processor core has built in peripherals
such as memory controllers, DMA controllers, serial ports and
timers/counters."
define_proc {
puts $cdl_system_header "#define CYGBLD_HAL_CPU_MODULES_H <cyg/hal/mod_7751.h>"
}
}
cdl_component CYGHWR_HAL_SH_CLOCK_SETTINGS {
display "SH on-chip generic clock controls"
description "
The various clocks used by the system are controlled by
these options, some of which are derived from platform
settings."
flavor none
no_define
cdl_interface CYGINT_HAL_SH_CPG_T1 {
display "Clock pulse generator type 1"
}
cdl_option CYGHWR_HAL_SH_TMU_PRESCALE_0 {
display "TMU counter 0 prescaling"
description "
The peripheral clock is driving the counter used for
the real-time clock, prescaled by this factor."
flavor data
legal_values { 4 16 64 256 }
default_value 4
}
cdl_option CYGHWR_HAL_SH_RTC_PRESCALE {
display "eCos RTC prescaling"
flavor data
calculated CYGHWR_HAL_SH_TMU_PRESCALE_0
}
cdl_option CYGHWR_HAL_SH_CLOCK_CKIO {
display "CKIO clock"
no_define
flavor data
calculated { CYGHWR_HAL_SH_PLL2_OUTPUT }
}
cdl_option CYGHWR_HAL_SH_PLL1_OUTPUT {
display "The clock output from PLL1"
no_define
flavor data
calculated { CYGHWR_HAL_SH_DIVIDER1_OUTPUT * CYGHWR_HAL_SH_OOC_PLL_1 }
}
cdl_option CYGHWR_HAL_SH_DIVIDER1_OUTPUT {
display "The clock output from divider 1"
no_define
flavor data
# DIV1 output is either 1 or 1/2 XTAL
calculated { (CYGHWR_HAL_SH_OOC_DIVIDER_1 == 1)
? CYGHWR_HAL_SH_OOC_XTAL
: CYGHWR_HAL_SH_OOC_XTAL / 2 }
}
cdl_option CYGHWR_HAL_SH_PROCESSOR_SPEED {
display "Processor clock speed (MHz)"
flavor data
calculated { CYGHWR_HAL_SH_PLL1_OUTPUT / CYGHWR_HAL_SH_OOC_DIVIDER_IFC }
description "
The peripheral speed is computed from the PLL2 output clock
speed and the IFC divider settings."
}
cdl_option CYGHWR_HAL_SH_BOARD_SPEED {
display "Platform bus clock speed (MHz)"
flavor data
calculated { CYGHWR_HAL_SH_PLL1_OUTPUT / CYGHWR_HAL_SH_OOC_DIVIDER_BFC }
description "
The peripheral speed is computed from the PLL2 output clock
speed and the BFC divider settings."
}
cdl_option CYGHWR_HAL_SH_ONCHIP_PERIPHERAL_SPEED {
display "Processor on-chip peripheral clock speed (MHz)"
flavor data
calculated { CYGHWR_HAL_SH_PLL1_OUTPUT / CYGHWR_HAL_SH_OOC_DIVIDER_PFC }
description "
The peripheral speed is computed from the PLL2 output clock
speed and the PFC divider settings."
}
}
cdl_option CYGNUM_HAL_SH_SH4_SCIF_BAUD_RATE {
display "SCIF serial ports default baud rate"
flavor data
legal_values { 4800 9600 14400 19200 38400 57600 115200 }
default_value { CYGNUM_HAL_SH_SH4_SCIF_BAUD_RATE_DEFAULT ? \
CYGNUM_HAL_SH_SH4_SCIF_BAUD_RATE_DEFAULT : 38400 }
description "
This controls the default baud rate used for communicating
with GDB / displaying diagnostic output."
}
cdl_component CYGPKG_HAL_SH_INTERRUPT {
display "Interrupt controls"
flavor none
no_define
description "
Initial interrupt settings can be specified using these option."
cdl_option CYGHWR_HAL_SH_IRQ_USE_IRQLVL {
display "Use IRL0-3 pins as IRL input"
default_value 0
description "
It is possible for the IRL0-3 pins to be used as IRL
inputs by enabling this option."
}
}
# Cache settings
cdl_option CYGHWR_HAL_SH_CACHE_MODE_P0 {
display "Select cache mode set for P0/U0/P3 at startup"
parent CYGPKG_HAL_SH_CACHE
default_value { "WRITE_BACK" }
legal_values { "WRITE_BACK" "WRITE_THROUGH" }
flavor data
description "
Controls what cache mode the cache should be put in at
startup for areas P0, U0 and P3. Write-back mode improves
performance by letting dirty data to be kept in the
cache for a period of time, allowing mutiple writes to
the same cache line to be written back to memory in
one memory transaction. In Write-through mode, each
individual write will cause a memory transaction."
}
cdl_option CYGHWR_HAL_SH_CACHE_MODE_P1 {
display "Select cache mode set for P1 at startup"
parent CYGPKG_HAL_SH_CACHE
default_value { "WRITE_BACK" }
legal_values { "WRITE_BACK" "WRITE_THROUGH" }
flavor data
description "
Controls what cache mode the cache should be put in at
startup for area P1. Write-back mode improves
performance by letting dirty data to be kept in the
cache for a period of time, allowing mutiple writes to
the same cache line to be written back to memory in
one memory transaction. In Write-through mode, each
individual write will cause a memory transaction."
}
}
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