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Updated README

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This commit is contained in:
Gregory Nutt 2014-06-28 13:27:19 -06:00
parent 5cffe94448
commit 4dbf708e14
1 changed files with 21 additions and 4 deletions
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configs/sama5d4-ek/README.txt
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@ -3180,11 +3180,28 @@ Configurations
CONFIG_SAMA5D4EK_DRAM_BOOT=y
See the section above entitled "Creating and Using DRAMBOOT" above
for more information.
for more information. Here is a summary of the steps that I used
to boot the NSH configuration:
At times, have have tested with nuttx.bin on an SD card and booting
with U-Boot. These are the commands that I used to boot NuttX from
the SD card:
a. Create the DRAMBOOT program as described above. It should be
configured with CONFIG_SAMA5D4EK_DRAM_START=y so that DRAMBOOT
will immediately start the program. You may not want to do
this is your prefer to break in with GDB.
b. Write the DRAMBOOT program binary (nuttx.bin) to a microSD
card as "boot.bin". Insert the microSD card into the boar;
The ROM Booloader should now boot DRAMBOOT on reset and you
should see this message:
Send Intel HEX file now
c. Build the NSH version of NuttX. Send the Intel HEX of NSH
at the prompt. After the file is received, NSH should start
automatically.
At times the past, have have tested with nuttx.bin on an SD card and
booting with U-Boot. These are the commands that I used to boot NuttX
from the SD card:
U-Boot> fatload mmc 0 0x20008000 nuttx.bin
U-Boot> go 0x20008040