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64 lines
1.7 KiB
64 lines
1.7 KiB
# script for stm32f2xxx |
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if { [info exists CHIPNAME] } { |
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set _CHIPNAME $CHIPNAME |
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} else { |
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set _CHIPNAME stm32f4xxx |
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} |
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if { [info exists ENDIAN] } { |
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set _ENDIAN $ENDIAN |
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} else { |
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set _ENDIAN little |
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} |
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# Work-area is a space in RAM used for flash programming |
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# By default use 64kB |
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if { [info exists WORKAREASIZE] } { |
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set _WORKAREASIZE $WORKAREASIZE |
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} else { |
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set _WORKAREASIZE 0x10000 |
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} |
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# JTAG speed should be <= F_CPU/6. F_CPU after reset is 8MHz, so use F_JTAG = 1MHz |
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# |
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# Since we may be running of an RC oscilator, we crank down the speed a |
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# bit more to be on the safe side. Perhaps superstition, but if are |
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# running off a crystal, we can run closer to the limit. Note |
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# that there can be a pretty wide band where things are more or less stable. |
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jtag_khz 1000 |
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jtag_nsrst_delay 100 |
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jtag_ntrst_delay 100 |
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#jtag scan chain |
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if { [info exists CPUTAPID ] } { |
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set _CPUTAPID $CPUTAPID |
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} else { |
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# See STM Document RM0033 |
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# Section 32.6.3 - corresponds to Cortex-M3 r2p0 |
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set _CPUTAPID 0x4ba00477 |
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} |
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jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID |
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if { [info exists BSTAPID ] } { |
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set _BSTAPID $BSTAPID |
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} else { |
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# See STM Document RM0033 |
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# Section 32.6.2 |
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# |
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set _BSTAPID 0x06413041 |
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} |
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jtag newtap $_CHIPNAME bs -irlen 5 -expected-id $_BSTAPID |
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set _TARGETNAME $_CHIPNAME.cpu |
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target create $_TARGETNAME cortex_m3 -endian $_ENDIAN -chain-position $_TARGETNAME -rtos auto |
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$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0 |
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set _FLASHNAME $_CHIPNAME.flash |
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flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME |
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# if srst is not fitted use SYSRESETREQ to |
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# perform a soft reset |
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cortex_m3 reset_config sysresetreq
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