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kleph 2020-10-28 17:48:13 +01:00
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@ -12,7 +12,8 @@ Summary: Here is an article in which I will try to describe/document how I insta
Here is an article in which I will try to describe/document how I installed a normal debian beside the original demo OS on the sama5d35 board won at Fosdem 2013 (thanks again !)
## firmware
# firmware
I did not flash the bootloader nor the NAND for now.
The internal bootloader [name] checks for SD card before the NAND.
@ -27,48 +28,62 @@ But with U-Boot and a kernel on a FAT(16 or 32) partition on a SD-card, you can
For the setup, I used the uUSB to USB cable to connect the board to my desktop.
I use screen to connect to the serial console.
```bash
screen /dev/ttyACM0
```
NOTE: You can interrupt the original U-boot boot process by hitting any key before it starts to scan boot devices.
# Boot loader
## Boot loader
Uboot paramaters
You may configure U-Boot boot parameters in Uboot shell
This one is for booting the original kernel, and rootfs (and /) on ne nor partition
```bash
setenv bootargs console=ttyS0,115200 mtdparts=atmel_nand:8M(bootstrap/uboot/kernel)ro,-(rootfs) rw rootfs=ext3 root=/dev/mmcblk0p2 rootdelay=2
```
For the records, the original boot params to boot from the Nand:
```bash
console=ttyS0,115200 mtdparts=atmel_nand:8M(bootstrap/uboot/kernel)ro,-(rootfs) rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs
```
#boot
# Boot
## kernel
- at91 patched
- this at91 still not in 3.9. 15-20 patches need to be added
- 3.10 ? Yes ! sama5d35 support has been merge into mainlin kernel 3.10 ! TODO: test it.
## base system
- debian armhf
## uname
- Linux jouet 3.6.9-sama5-armv7-d0.8 #1 Wed May 8 13:04:54 CEST 2013 armv7l GNU/Linux
## My mileage
I am using the board as a router for my home connection.
Also for a few additional services: DHCP server, RA announcer, DNS server (authority and resolver/cache for the lan), firewall and NTP server for the lan.
I have a pretty decent connection, FTTH, 100 Mbps / 50 Mbps, vendor stated.
# Images
[![atmel et raspi](http://blog.kleph.eu/images/atmel_et_raspi_small.png)][2]
[2]: http://blog.kleph.eu/images/atmel_et_raspi.jpg
[![atmel et raspi](http://blog.kleph.eu/images/atmel_et_raspi_small.png)][5]
[1]: http://www.eewiki.net/display/linuxonarm/SAMA5D3
[2]: Atmel_11121_32-bit-Cortex-A5-Microcontroller_SAMA5D3_Datasheet.pdf
[3]: Atmel_11180_32-bit-Cortex-A5-Microcontroller_SAMA5D3-Series-EK_User-Guide.pdf
[4]: http://www.devicetree.org/Main_Page
[5]: http://blog.kleph.eu/images/atmel_et_raspi.jpg
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