Running l4android on cubieboard2

cem akpolat akpolatcem at gmail.com
Tue Jan 13 10:29:08 CET 2015


You can find the uboot-version that I use and the url address of uboot:
https://github.com/linux-sunxi/u-boot-sunxi

====
U-Boot SPL 2014.01-rc1-00873-g6c34253 (Nov 21 2014 - 17:45:26)
Board: Cubieboard2
DRAM: 1024 MiB
CPU: 960000000Hz, AXI/AHB/APB: 3/2/2
spl: not an uImage at 1600


U-Boot 2014.01-rc1-00873-g6c34253 (Nov 21 2014 - 17:45:26) Allwinner
Technology
====

Cheers,
Cem

Cem Akpolat

On Tue, Jan 13, 2015 at 9:15 AM, Adam Lackorzynski <
adam at os.inf.tu-dresden.de> wrote:

> On Mon Jan 12, 2015 at 12:12:43 +0100, cem akpolat wrote:
> > Couple of months ago, I was trying to run l4 on the samsung nexus s, but
> > then I decided to switch to Cubieboard2 due to the simple configurations
> > and costs stemming from the JTAG/UART interfaces which are quite
> > expensive(around 1000 Euro).
> > What I did:
> >  + the fiasco is compiled for All-sunxi and cubieboard
> >  + l4re is compiled for cubieboard2.
> >  + the uImage is generated through the following command
> >         make uimage -C ~/l4android/src/l4/  E=L4LinuxARM
> > O=~l4android/src/build/l4/
> >  + boot.scr file for uboot is created in which the compiled kernel image
> is
> > given as kernel as belowe
> >
> > ------------
> > setenv kernel_addr_r 0x46000000 # 8M
> > setenv fdt_addr 0x49000000 # 2M
> > setenv fdt_high 0xffffffff # Load fdt in place instead of relocating
> >
> > fatload mmc 0 0x43000000 /script.bin
> >
> > fatload mmc 0 ${kernel_addr_r} /uImage
> > setenv bootargs "console=ttyS0,115200 hdmi.audio=EDID:0
> > disp.screen0_output_mode=EDID:1280x1024p60 rw root=/dev/mmcblk0p2
> rootwait"
> >
> > fatload mmc 0 ${fdt_addr} /sun7i-a20-cubieboard2.dtb
> >
> > bootm ${kernel_addr_r} - ${fdt_addr}
> > ---------------------
> >
> > #End of the setup
> >
> > # What I am seeing on the console outputs
> >
> > -------------------
> >
> >   API Version: (87) experimental
> >   Sigma0 config    ip:40090100 sp:00000000
> >   Roottask config  ip:40140260 sp:00000000
> >   Starting kernel fiasco at 40001388
> >   Non-HYP kernel detected but running in HYP mode, switching back.
> > ------------------------
> >
> > What exactly Fiasco tries to tell me with this message "Non-HYP kernel
> > detected but running in HYP mode, switching back.".
>
> Bootstrap tries to tell us that it detected a non-HYP enabled Fiasco.OC
> that it shall load, but the system is currently running in HYP mode so
> it wants to switch it to non-HYP mode. And that somehow fails.
> Which type/version of u-boot are you using?
>
>
>
> Adam
> --
> Adam                 adam at os.inf.tu-dresden.de
>   Lackorzynski         http://os.inf.tu-dresden.de/~adam/
>
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