2 # script for ATMEL sam4, a Cortex-M4 chip
6 # sam4 devices can support both JTAG and SWD transports.
8 source [find target/swj-dp.tcl]
10 if { [info exists CHIPNAME] } {
11 set _CHIPNAME $CHIPNAME
16 if { [info exists ENDIAN] } {
22 # Work-area is a space in RAM used for flash programming
24 if { [info exists WORKAREASIZE] } {
25 set _WORKAREASIZE $WORKAREASIZE
27 set _WORKAREASIZE 0x4000
31 if { [info exists CPUTAPID] } {
32 set _CPUTAPID $CPUTAPID
34 set _CPUTAPID 0x4ba00477
37 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
38 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
40 set _TARGETNAME $_CHIPNAME.cpu
41 target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
43 # 16K is plenty, the smallest chip has this much
44 $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
46 # JTAG speed should be <= F_CPU/6. F_CPU after reset is 4 MHz, so use F_JTAG = 0.5MHz
48 # Since we may be running of an RC oscilator, we crank down the speed a
49 # bit more to be on the safe side. Perhaps superstition, but if are
50 # running off a crystal, we can run closer to the limit. Note
51 # that there can be a pretty wide band where things are more or less stable.
55 adapter_nsrst_delay 100
61 # if srst is not fitted use SYSRESETREQ to
62 # perform a soft reset
63 cortex_m reset_config sysresetreq
Linking to existing account procedure
If you already have an account and want to add another login method
you
MUST first sign in with your existing account and
then change URL to read
https://review.openocd.org/login/?link
to get to this page again but this time it'll work for linking. Thank you.
SSH host keys fingerprints
1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=.. |
|+o.. . |
|*.o . . |
|+B . . . |
|Bo. = o S |
|Oo.+ + = |
|oB=.* = . o |
| =+=.+ + E |
|. .=o . o |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)