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| author | Peter Lawrence <majbthrd@gmail.com> | 2019-01-16 18:00:34 -0600 |
|---|---|---|
| committer | Tomas Vanek <vanekt@fbl.cz> | 2019-01-26 22:32:10 +0000 |
| commit | 8417a569fecf54e699e526259c9731ef747adb38 (patch) | |
| tree | a106d3a1cd9fa1d9d30f872a4ca99a186496d346 /tcl/target | |
| parent | f63b519385a8d6dca9b75f29f26d3144fd774bb4 (diff) | |
| download | riscv-openocd-8417a569fecf54e699e526259c9731ef747adb38.zip riscv-openocd-8417a569fecf54e699e526259c9731ef747adb38.tar.gz riscv-openocd-8417a569fecf54e699e526259c9731ef747adb38.tar.bz2 | |
tcl: Support for Analog Devices ADSP-SC58x / ADSP-SC584-EZBRD
The original script was broken by changes to the Cortex-A code. The
recent introduction of the mem_ap target provided a new mechanism to
allow the script to be fixed. This also adds an example board script
for the ADSP-SC584-EZBRD.
Change-Id: I36bc1ac6b6c036539f4175f1e65223ba10a35355
Signed-off-by: Peter Lawrence <majbthrd@gmail.com>
Reviewed-on: http://openocd.zylin.com/4855
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Diffstat (limited to 'tcl/target')
| -rw-r--r-- | tcl/target/adsp-sc58x.cfg | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/tcl/target/adsp-sc58x.cfg b/tcl/target/adsp-sc58x.cfg index e2b6952..8c9ef12 100644 --- a/tcl/target/adsp-sc58x.cfg +++ b/tcl/target/adsp-sc58x.cfg @@ -1,11 +1,17 @@ +# # Analog Devices ADSP-SC58x (ARM Cortex-A5 plus one or two SHARC+ DSPs) +# + +# Evaluation boards by Analog Devices (and designs derived from them) use a +# non-standard 10-pin 0.05" ARM Cortex Debug Connector. In this bastardized +# implementation, pin 9 (GND or GNDDetect) has been usurped with JTAG /TRST. +# +# As a result, a standards-compliant debug pod will force /TRST active, +# putting the processor's debug interface into reset and preventing usage. +# +# A connector adapter must be employed on these boards to isolate or remap +# /TRST so that it is only asserted when intended. -# evaluation boards by Analog Devices (and designs derived from them) use a non-standard 10-pin 0.05" ARM Cortex Debug Connector -# pin 9 (GND or GNDDetect) has been usurped with JTAG /TRST -# as a result, a standards-compliant debug pod will only force the processor's debug interface into reset, preventing usage -# so, a connector adapter must be employed on these boards to isolate or otherwise prevent /TRST from being asserted - -transport select swd source [find target/swj-dp.tcl] if { [info exists CHIPNAME] } { @@ -26,21 +32,22 @@ if { [info exists CPUTAPID] } { set _CPUTAPID 0x3BA02477 } -swj_newdap $_CHIPNAME cpu -expected-id $_CPUTAPID +swj_newdap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu +target create ap0.mem mem_ap -dap $_CHIPNAME.dap -ap-num 0 + set _TARGETNAME $_CHIPNAME.cpu target create $_TARGETNAME cortex_a -endian $_ENDIAN -dap $_CHIPNAME.dap $_TARGETNAME configure -event examine-end { global _TARGETNAME - sc58x_enabledebug $_TARGETNAME + sc58x_enabledebug } -proc sc58x_enabledebug {target} { - # Enable debugging functionality by setting relevant bits in the TAPC_DBGCTL register - # the "phys" option is critical; the OpenOCD Cortex-A target code prevents normal mww when the target is not halted - # however, it is not possible to halt the target unless these register bits have been set - $target mww phys 0x31131000 0xFFFF +proc sc58x_enabledebug {} { + # Enable debugging functionality by setting bits in the TAPC_DBGCTL register + # it is not possible to halt the target unless these bits have been set + ap0.mem mww 0x31131000 0xFFFF } |