6467de17d7
Some boards have a UART built into them and it doesn't appear until the board is powered on. An example is zynq_zybo. Try to handle this by waiting for the console and then continuing as soon as possible (so we don't miss the U-Boot banner). Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
43 lines
1.7 KiB
Plaintext
43 lines
1.7 KiB
Plaintext
# Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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if [ -z "${console_baud}" ]; then
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console_baud=115200
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fi
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# Some boards have a UART built into them and it doesn't appear until the
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# board is powered on. An example is zynq_zybo. Try to handle this by waiting
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# for the console and then continuing as soon as possible (so we don't miss
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# the U-Boot banner).
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if [ -n "${console_wait}" ]; then
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for i in {0..99}; do
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if [ -e "${console_dev}" ]; then
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break
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fi
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sleep .1
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done
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if [ ! -e "${console_dev}" ]; then
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echo "Console ${console_dev} not found"
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exit 1
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fi
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fi
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exec picocom -b "${console_baud}" "${console_dev}"
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