This is an automated email from Gerrit. Jian-Hong Pan ([email protected]) just uploaded a new patch set to Gerrit, which you can find at http://openocd.zylin.com/6365
-- gerrit commit ab2efdcae30e887ecaa0a405153f6f8b2c1548fa Author: Jian-Hong Pan <[email protected]> Date: Sat Jul 10 22:57:10 2021 +0800 target/bcm2711: Set reset configuration mode as trst_only OpenOCD cannot connect to BCM2711's JTAG interface on RPi 4B board until the reset configuration mode is set as trst_only. According to Table 94. GPIO Pins Alternative Function Assignment of Broadcom's BCM2711 ARM Peripherals datasheet [1] and Raspberry Pi's GPIO control in config.txt document [2], only Test Reset (TRST) pin (no System Reset, SRST) is exposed. [1] https://datasheets.raspberrypi.org/bcm2711/bcm2711-peripherals.pdf [2] https://www.raspberrypi.org/documentation/configuration/config-txt/gpio.md Change-Id: Iabce620e0da34cbe59ba589a6b531483ef5182e2 Signed-off-by: Jian-Hong Pan <[email protected]> diff --git a/tcl/target/bcm2711.cfg b/tcl/target/bcm2711.cfg index f8d2b3a..bf80ccf 100644 --- a/tcl/target/bcm2711.cfg +++ b/tcl/target/bcm2711.cfg @@ -32,6 +32,7 @@ if { [info exists DAP_TAPID] } { jtag newtap $_CHIPNAME cpu -expected-id $_DAP_TAPID -irlen 4 adapter speed 4000 +reset_config trst_only dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu --
