137 lines
3.4 KiB
INI
137 lines
3.4 KiB
INI
transport select hla_swd
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reset_config srst_only srst_nogate connect_assert_srst
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gdb_breakpoint_override hard
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adapter speed 24000
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adapter srst delay 100
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reset_config srst_nogate
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set _CHIP_NAME DP32G0xx
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set CPUTAPID 0x0bb11477
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# Create a new dap, with name chip and role CPU, -enable let's OpenOCD to know to add it to the scan
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swd newdap $_CHIP_NAME cpu -enable -expected-id $CPUTAPID
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# Create the DAP instance, this must be explicitly created according to the OpenOCD docs
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dap create $_CHIP_NAME.dap -chain-position $_CHIP_NAME.cpu
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# Set up the GDB target for the CPU, cortex_m is the CPU type,
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target create $_CHIP_NAME.cpu cortex_m -dap $_CHIP_NAME.dap
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set _SECTOR_SIZE 512
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proc uv_clear_flash_sector {sector_number} {
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echo [format "Erasing sector 0x%02x = offset 0x%04x" [expr {$sector_number}] [expr {$sector_number*256}] ]
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write_memory 0x4006F000 32 {0x09} ;#set erasing mode
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write_memory 0x4006F004 32 [expr {$sector_number << 6}]
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write_memory 0x4006F01c 32 {0xAA} ;#unlock flash
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write_memory 0x4006F010 32 {0x01} ;#set OPSTART=1
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read_memory 0x4006F014 32 1 ;#check status for 0x02
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uv_wait_busy
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write_memory 0x4006F018 32 {0x55} ;#lock flash
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}
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proc uv_clear_whole_flash {} {
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for {set i 0} {$i < 0x100} {incr i} {
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uv_clear_flash_sector $i
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}
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}
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proc uv_clear_sectors {sectors_count} {
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for {set i 0} {$i < $sectors_count} {incr i} {
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uv_clear_flash_sector $i
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}
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}
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proc uv_flash_unlock {} {
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write_memory 0x4006F01c 32 {0xAA} ;#unlock flash
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uv_wait_busy
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}
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proc uv_flash_lock {} {
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write_memory 0x4006F018 32 {0x55} ;#lock flash
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uv_wait_busy
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}
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proc uv_flash_write {address value} {
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write_memory 0x4006F000 32 {0x05} ;#set writing mode
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write_memory 0x4006F004 32 [expr {($address>>2)+0xC000}] ;#set address in flash
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write_memory 0x4006F008 32 $value ;#set data
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write_memory 0x4006F010 32 {0x01} ;#set OPSTART=1
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while {1} {
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set status [read_memory 0x4006F014 32 1]
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if {($status & 0x4) != 0} {
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break
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}
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}
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uv_wait_busy
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}
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proc uv_wait_busy {} {
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while {1} {
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set status [read_memory 0x4006F014 32 1]
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if {($status & 0x2) == 0} {
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break
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}
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}
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}
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proc write_image {filename address} {
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global _SECTOR_SIZE
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set fs [file size $filename]
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set fd [open $filename "rb"]
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echo "Checking mask"
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set status [read_memory 0x4006F020 32 1]
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if {$status != 6} {
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echo "Changing mask"
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write_memory 0x4006F020 32 0
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uv_wait_busy
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write_memory 0x4006F020 32 6
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uv_wait_busy
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set status [read_memory 0x4006F020 32 1]
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if {$status != 6} {
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echo [format "Cannot set flash mask %d!" $status]
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close $fd
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return
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}
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}
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uv_clear_sectors [expr {(($fs+$_SECTOR_SIZE-1)&(0x10000000-$_SECTOR_SIZE))/($_SECTOR_SIZE/2)}]
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uv_flash_unlock
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set addr $address
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while {![eof $fd]} {
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set data [read $fd 4]
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if {[string length $data] == 4} {
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set b0 [scan [string index $data 0] %c]
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set b1 [scan [string index $data 1] %c]
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set b2 [scan [string index $data 2] %c]
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set b3 [scan [string index $data 3] %c]
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set i_data [expr {$b0 | $b1 << 8 | $b2 << 16 | $b3 << 24}]
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echo [format "Writing 0x%04x to address 0x%04x (%02d %%)" $i_data $addr [expr {(100*($addr+4)/$fs)}]]
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uv_flash_write $addr $i_data
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incr addr 4
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}
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}
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uv_flash_lock
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close $fd
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}
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# dap init
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init
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halt
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# reset halt |