Add a short note about how to boot U-Boot on Nyan-big using tegrarcm.
Signed-off-by: Simon Glass sjg@chromium.org ---
board/nvidia/nyan-big/README | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 board/nvidia/nyan-big/README
diff --git a/board/nvidia/nyan-big/README b/board/nvidia/nyan-big/README new file mode 100644 index 00000000000..0e53d8d92fe --- /dev/null +++ b/board/nvidia/nyan-big/README @@ -0,0 +1,18 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright 2018 Google LLC +# Written by Simon Glass sjg@chromium.org + +U-Boot on Nyan +============== + +Nyan-big is supported by mainline U-Boot. This device is based on Tegra124. +To build it, use the nyan-big config. + +To boot it, connect a USB A-A cable from your computer to the back USB port. +Connect a servo board. Then with t20_rec and warn_rst held down: + + sudo tegrarcm --bct cbootimage-configs/tegra124/nvidia/norrin/PM370_Hynix_2GB_H5TC4G63AFR_PBA_924MHz_01212014.bct + --bootloader u-boot-dtb-tegra.bin --loadaddr 0x80108000 + +The norrin config is close enough that it works well with Nyan.