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P1/P2 RDB boards have external max6370 watchdog connected to CPLD and this watchdog is not deactivated on board reset. So if it is active during board reset, it can trigger another reset when CPU is booting U-Boot. To prevent possible infinite reset loop caused by external watchdog, turn it off before reset. Do it via a new board_reset_prepare() callback which is called from do_reset() function before any reset sequence. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Peng Fan <peng.fan@nxp.com> |
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mpc8xxx | ||
mpc83xx | ||
mpc85xx | ||
Makefile |