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+# SPDX-License-Identifier: GPL-2.0+
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+#
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+# Copyright 2018 Google LLC
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+# Written by Simon Glass <sjg@chromium.org>
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+
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+U-Boot on Nyan
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+==============
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+
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+Nyan-big is supported by mainline U-Boot. This device is based on Tegra124.
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+To build it, use the nyan-big config.
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+
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+To boot it, connect a USB A-A cable from your computer to the back USB port.
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+Connect a servo board. Then with t20_rec and warn_rst held down:
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+
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+ sudo tegrarcm --bct cbootimage-configs/tegra124/nvidia/norrin/PM370_Hynix_2GB_H5TC4G63AFR_PBA_924MHz_01212014.bct
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+ --bootloader u-boot-dtb-tegra.bin --loadaddr 0x80108000
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+
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+The norrin config is close enough that it works well with Nyan.
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