# SPDX-License-Identifier: GPL-2.0-or-later # This is the Orange Pi Zero 3 board with Allwinner H618 chip # http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/details/Orange-Pi-Zero-3.html # # Accessing JTAG signals on Orange Pi Zero 3 board requires connection to pins # on the microSD card slot. # 1 - DAT2 - TCK # 2 - CD/DAT3 - NC # 3 - CMD - TDO # 4 - VDD - NC # 5 - CLK - NC # 6 - VSS - NC # 7 - DAT0 - TDI # 8 - DAT1 - TMS # # PF Configure Register 0 at address 0x0300b0b4 must be set 0x07373733 to set # the JTAG function on these pins (which is what the factory installed image on # the SPI flash does when the board is powered without a microSD inserted). source [find target/allwinner_h618.cfg] # To this contributor's knowledge, the board neither exposes TRST nor SRST. reset_config none