Difference between revisions of "Firsts steps with AM335x"
From IGEP - ISEE Wiki
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(→UART recovery boot) |
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3. Start the board. When "CCCC" characters appear on terminal window, do: | 3. Start the board. When "CCCC" characters appear on terminal window, do: | ||
C-a C-s | C-a C-s | ||
− | *** file: u-boot-spl.bin | + | *** file: spl/u-boot-spl.bin |
4. Exit from picocom using C-a C-q, and relaunch picocom with | 4. Exit from picocom using C-a C-q, and relaunch picocom with | ||
picocom -b 115200 /dev/ttyUSB0 --send-cmd "sz -vv -Y" --receive-cmd "rz -vv -Y" | picocom -b 115200 /dev/ttyUSB0 --send-cmd "sz -vv -Y" --receive-cmd "rz -vv -Y" | ||
5. When "CCCC" characters appear on terminal window, do: | 5. When "CCCC" characters appear on terminal window, do: | ||
C-a C-s | C-a C-s | ||
− | *** file: u-boot. | + | *** file: u-boot.img |
6. Hitting any key to stop automatic boot, should present the U-Boot prompt. | 6. Hitting any key to stop automatic boot, should present the U-Boot prompt. |
Revision as of 12:46, 18 February 2013
UART recovery boot
1. Make sure the BOOT mode is set to UART. 2. Connect to the debug UART with your computer and launch the serial terminal application
picocom -b 115200 /dev/ttyUSB0 --send-cmd "sz -vv -X" --receive-cmd "rz -vv -X"
3. Start the board. When "CCCC" characters appear on terminal window, do:
C-a C-s *** file: spl/u-boot-spl.bin
4. Exit from picocom using C-a C-q, and relaunch picocom with
picocom -b 115200 /dev/ttyUSB0 --send-cmd "sz -vv -Y" --receive-cmd "rz -vv -Y"
5. When "CCCC" characters appear on terminal window, do:
C-a C-s *** file: u-boot.img
6. Hitting any key to stop automatic boot, should present the U-Boot prompt.