OpenIPC
/
wiki
mirror of https://github.com/OpenIPC/wiki.git
1
0
Fork 0
Code Activity

Use ${baseaddr} instead of preset values.

pull/67/head
Paul Philippov 2022-12-26 21:15:04 -05:00 committed by GitHub
parent 64a57f718d
commit 92cd284bfb
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
en/help-uboot.md
View File

@ -119,44 +119,38 @@ the RAM of the camera. To do that, clear a section of RAM (0x800000 bytes for a
the entire contents to the prepared space in RAM. Then export the copied data the entire contents to the prepared space in RAM. Then export the copied data
from RAM to the card. from RAM to the card.
NB! In the example below we use the starting address 0x2000000, but it varies NB! In the example below we use the ${baseaddr} assuming it is set in your camera's environment.
for different cameras. Please consult SoC data sheet, or seek help on If not, then set it yourself. Use numeric value from SoC data sheet, look ip up at the
[our Telegram channel][telegram]. [automatically generated install instructions](https://openipc.org/supported-hardware),
or seek help on [our Telegram channel][telegram].
Example for 8MB: Example for 8MB:
``` ```
mw.b 0x80600000 ff 0x800000 mw.b ${baseaddr} ff 0x800000
sf probe 0 sf probe 0
sf read 0x80600000 0x0 0x800000 sf read ${baseaddr} 0x0 0x800000
mmc write 0x80600000 0x10 0x4000 mmc write ${baseaddr} 0x10 0x4000
``` ```
Where `0x80600000` is the initial address, camera dependent. You should find this
address from the [automatically generated install instructions](https://openipc.org/supported-hardware).
Another example, for 16MB: Another example, for 16MB:
``` ```
mw.b 0x2000000 ff 0x1000000 mw.b ${baseaddr} ff 0x1000000
sf probe 0 sf probe 0
sf read 0x2000000 0x0 0x1000000 sf read ${baseaddr} 0x0 0x1000000
mmc write 0x2000000 0x10 0x8000 mmc write ${baseaddr} 0x10 0x8000
``` ```
Remove the card from the camera and insert it into a computer running Linux. Remove the card from the camera and insert it into a computer running Linux.
Use `dd` command to copy data from the card to a binary file on the computer. Use `dd` command to copy data from the card to a binary file on the computer.
Example for 8MB: Example for 8MB:
``` ```
sudo dd bs=512 skip=16 count=16384 if=/dev/sdc of=./fulldump.bin sudo dd bs=512 skip=16 count=16384 if=/dev/sdc of=./fulldump.bin
``` ```
Example for 16MB: Example for 16MB:
``` ```
sudo dd bs=512 skip=16 count=32768 if=/dev/sdc of=./fulldump.bin sudo dd bs=512 skip=16 count=32768 if=/dev/sdc of=./fulldump.bin
``` ```