| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| |
| # script for stm32f4x family |
| |
| if { [info exists CHIPNAME] } { |
| set _CHIPNAME $CHIPNAME |
| } else { |
| set _CHIPNAME stm32f4x |
| } |
| |
| if { [info exists ENDIAN] } { |
| set _ENDIAN $ENDIAN |
| } else { |
| set _ENDIAN little |
| } |
| |
| # Work-area is a space in RAM used for flash programming |
| # By default use 64kB |
| if { [info exists WORKAREASIZE] } { |
| set _WORKAREASIZE $WORKAREASIZE |
| } else { |
| set _WORKAREASIZE 0x10000 |
| } |
| |
| # JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz |
| # |
| # Since we may be running of an RC oscilator, we crank down the speed a |
| # bit more to be on the safe side. Perhaps superstition, but if are |
| # running off a crystal, we can run closer to the limit. Note |
| # that there can be a pretty wide band where things are more or less stable. |
| adapter_khz 1000 |
| |
| adapter_nsrst_delay 100 |
| jtag_ntrst_delay 100 |
| |
| #jtag scan chain |
| if { [info exists CPUTAPID] } { |
| set _CPUTAPID $CPUTAPID |
| } else { |
| # See STM Document RM0090 |
| # Section 32.6.2 - corresponds to Cortex-M4 r0p1 |
| set _CPUTAPID 0x4ba00477 |
| } |
| jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID |
| |
| if { [info exists BSTAPID] } { |
| set _BSTAPID $BSTAPID |
| } else { |
| # See STM Document RM0090 |
| # Section 32.6.3 |
| set _BSTAPID 0x06413041 |
| } |
| jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID |
| |
| set _TARGETNAME $_CHIPNAME.cpu |
| target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME |
| |
| $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0 |
| |
| set _FLASHNAME $_CHIPNAME.flash |
| flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME |
| |
| # if srst is not fitted use SYSRESETREQ to |
| # perform a soft reset |
| cortex_m3 reset_config sysresetreq |