On 1/24/22 20:45, Pali Rohár wrote:
This change contains update for doc/README.nokia_rx51 documentation file with information how to load U-Boot image to device RAM without need to flash it and also how to flash it into OneNAND via 0xFFFF flasher.
Signed-off-by: Pali Rohár pali@kernel.org
doc/README.nokia_rx51 | 45 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+)
diff --git a/doc/README.nokia_rx51 b/doc/README.nokia_rx51 index 1be077514f03..e739b02088ea 100644 --- a/doc/README.nokia_rx51 +++ b/doc/README.nokia_rx51 @@ -22,6 +22,51 @@ following repository:
https://github.com/pali/u-boot-maemo+To generate combined.bin image from u-boot.bin and kernel.bin (either uImage +or zImage) use:
Thank you for adding all this information.
In the restructured text (patch 3), please use:
.. code-block:: bash
- sh u-boot-gen-combined u-boot.bin kernel.bin combined.bin
+Original Maemo Fremantle PR1.3 zImage kernel binary is available at:
+To unpack it (from DEB/AR, TAR and FIASCO) call commands:
.. code-block:: bash
- ar x kernel_2.6.28-20103103+0m5_armel.deb data.tar.gz
- tar -O -xf data.tar.gz ./boot/zImage-2.6.28-20103103+0m5.fiasco > kernel_2.6.28-20103103+0m5.fiasco
- 0xFFFF -M kernel_2.6.28-20103103+0m5.fiasco -u
+Flashed image must start with 2 kB "NOLO!img" header which contains size of
%s/Flashed/The flashed/
%s/size/the size/
+the image. Header consist of bytes "NOLO!img\x02\x00\x00\x00\x00\x00\x00\x00"
%/Header consist/The header consists/
+followed by 4 byte little endian size of the image and rest of the 2 kB header
%s/4 byte/by the 4 byte/
%s/rest/the rest/
%s/kB/KiB/
+are just zero bytes.
+Nokia proprietary flasher and also open source 0xFFFF flasher automatically
%s/Nokia/Nokia's/ ?
+prepend required "NOLO!img" header and both applications expect that image
%s/prepend required/prepends the required/
%s/that image/that the image/
+does not contain "NOLO!img" header. Adding "NOLO!img" header is required
%s/contain/contain a/
%s/Adding/Adding a/
+only in case using "nandwrite" tool for flashing.
%s/using/of using the/
+Open source 0xFFFF flasher is available in following repository:
%s/Open/The open/
%s/following/the following/
+It is possible to load u-boot.bin via USB to N900 RAM and boot it without +need to flashing it. Via 0xFFFF running at host PC it is done:
- 0xFFFF -m u-boot.bin -l -b
+0xFFFF support also flashing kernel image either via USB or directly on
%s/support/supports/
+N900 device. Flashing u-boot/kernel/combined image is done as:
- 0xFFFF -m combined.bin -f
+Via 0xFFFF is possible to generate also standard flashable image in Nokia
%s/is/it is/
%s/standard/a standard/
+FIASCO format which contains metadata information like device identification
%s/identification/the identification/
+(RX-51) and version string (v2021.04):
%s/and/and the/
Best regards
Heinrich
- 0xFFFF -m RX-51:v2021.04:kernel:u-boot.bin -g u-boot.fiasco
- There is support for hardware watchdog. Hardware watchdog is started by NOLO so u-boot must kick watchdog to prevent reboot device (but not very often, max every 2 seconds). There is also support for framebuffer display