target/stm32h7x: Fix documentation of reset_config 41/4741/5
authorChristopher Head <chead@zaber.com>
Sat, 27 Oct 2018 00:05:00 +0000 (17:05 -0700)
committerTomas Vanek <vanekt@fbl.cz>
Sat, 10 Nov 2018 21:16:27 +0000 (21:16 +0000)
commit5ea55a39753aa570c45cffbdb7c39f6f9a9bb359
tree45d2e0e6cc09beed48adfc832618b54a6ae287d7
parent8262e8a2c03efa5ddcb780da7174210b4c5da7ca
target/stm32h7x: Fix documentation of reset_config

The stm32h7x.cfg does not specify connect_assert_srst or
connect_deassert_srst in its reset_config. The comment claims that it
will therefore connect in reset. However, per the manual, the default
configuration is actually connect_deassert_srst, not
connect_assert_srst. In actual fact, connect_assert_srst does not work
on the STM32H7 because, while SRST is asserted, everything on the AXI
bus is inaccessible. The CPU core is accessible, but since the
examine-end event handler also pokes at the DBGMCU peripheral, that will
fail in connect_assert_srst mode. So using connect_deassert_srst is
appropriate, so fix the comment accordingly.

Change-Id: If3e32e871fb19cc61183bdf911b7c5efd80b62e2
Signed-off-by: Christopher Head <chead@zaber.com>
Reviewed-on: http://openocd.zylin.com/4741
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
tcl/target/stm32h7x.cfg

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