39 lines
974 B
INI
39 lines
974 B
INI
# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Blinkinlabs JTAG_Hat
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#
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# https://github.com/blinkinlabs/jtag_hat
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#
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adapter driver bcm2835gpio
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bcm2835gpio_peripheral_base 0x3F000000
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# Transition delay calculation: SPEED_COEFF/khz - SPEED_OFFSET
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# These depend on system clock, calibrated for stock 700MHz
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# bcm2835gpio_speed SPEED_COEFF SPEED_OFFSET
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bcm2835gpio_speed_coeffs 146203 36
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# Each of the JTAG lines need a gpio number set: tck tms tdi tdo
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# Header pin numbers: 23 22 19 21
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bcm2835gpio_jtag_nums 11 25 10 9
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# Each of the SWD lines need a gpio number set: swclk swdio
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# Header pin numbers: 23 22
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bcm2835gpio_swd_nums 11 25
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# Direction pin for SWDIO level shifting buffer
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bcm2835gpio_swdio_dir_num 6
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# If you define trst or srst, use appropriate reset_config
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# Header pin numbers: TRST - 26, SRST - 18
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bcm2835gpio_trst_num 7
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#reset_config trst_only
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bcm2835gpio_srst_num 24
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#reset_config srst_only
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# or if you have both connected
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#reset_config trst_and_srst
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