onion omega2+
Mori Hiroki
yamori813 at yahoo.co.jp
Tue May 9 01:22:49 UTC 2017
Hi Mike
In FreeBSD is use serial0 dts item to console.
I think good to use this at start.
freebsd/sys/gnu/dts/mips/MT7628.dts
----- Original Message -----
> From: Mike Wolman <mike at wolman.co.uk>
> To: Mori Hiroki <yamori813 at yahoo.co.jp>; "freebsd-mips at freebsd.org" <freebsd-mips at freebsd.org>
> Cc:
> Date: 2017/5/9, Tue 09:25
> Subject: Re: onion omega2+
>
> Hi Mori,
>
> I grabbed the dts files from:
>
> https://github.com/WereCatf/source/tree/image/target/linux/ramips/dts
> https://github.com/WereCatf/source/blob/image/target/linux/ramips/dts/OMEGA2P.dts
> https://github.com/WereCatf/source/blob/image/target/linux/ramips/dts/OMEGA2.dtsi
>
> If this is of any use from the default linux install on the flash:
>
> root at Omega-12BF:/proc# cat /proc/mtd
> dev: size erasesize name
> mtd0: 00030000 00010000 "u-boot"
> mtd1: 00010000 00010000 "u-boot-env"
> mtd2: 00010000 00010000 "factory"
> mtd3: 01fb0000 00010000 "firmware"
> mtd4: 00148842 00010000 "kernel"
> mtd5: 01e677be 00010000 "rootfs"
> mtd6: 01950000 00010000 "rootfs_data"
>
>
> btw after posting i spotted and error in what i did with:
>
> mkimage -A mips -O linux -T kernel -C lzma \
> -a 0x80001000 -e 0x80001100 \
> -n "FreeBSD" -d kernel.MT7628_FDT.lzma
> kernel.MT7628_FDT.ulzma.uImage
>
> I have redone this using the correct compressed kernel ie:
>
> mkimage -A mips -O linux -T kernel -C lzma \
> -a 0x80001000 -e 0x80001100 \
> -n "FreeBSD" -d kernel.MT7628_FDT.ulzma
> kernel.MT7628_FDT.ulzma.uImage
>
>
> But this didnt work.
>
>
>
> On 09/05/2017 01:17, Mori Hiroki wrote:
>> Hi.
>>
>> I think if U-Boot work memory make broken then
>> Uncompressing Kernel Image is NG.
>>
>> Some ARM U-Boot is use top address in work memory.
>> If this case your kernel start address to move to
>> after work memory. But I never see in MIPS.
>>
>> And What is set FDT_DTS_FILE in your kernel configuration ?
>>
>> ----- Original Message -----
>>
>>> From: Mike Wolman <mike at wolman.co.uk>
>>> To: freebsd-mips at freebsd.org
>>> Cc:
>>> Date: 2017/5/9, Tue 07:48
>>> Subject: Re: onion omega2+
>>>
>>>
>>> More info in case anyone can point me in the right direction.
>>>
>>> I have found:
>>>
>>> https://forum.openwrt.org/viewtopic.php?id=53865
>>>
>>> I have tried changing how lzma compresses the kernel by adding -d20 to
>>> the build scripts eg:
>>>
>>> /usr/local/bin/lzma e
>>> /home/mike/omega2/src/../root/mipsel_ap/boot/kernel.MT7628_FDT/kernel
> \
>>> /home/mike/omega2/src/../tftpboot/kernel.MT7628_FDT.lzma -d20
>>>
>>> This did not work.
>>>
>>>
>>> Looking at the onion omega conf I see that it uses mkuzip and not lzma
>>> with the following settings:
>>>
>>> X_FSIMAGE_CMD="mkuzip"
>>> X_FSIMAGE_ARGS="-L -d -s 65536 -v"
>>> X_FSIMAGE_SUFFIX=".ulzma"
>>>
>>> So tried the following:
>>>
>>> mkuzip -L -d -s 65536 -v -o kernel.MT7628_FDT.ulzma kernel.MT7628_FDT
>>>
>>> mkimage -A mips -O linux -T kernel -C lzma \
>>> -a 0x80001000 -e 0x80001100 \
>>> -n "FreeBSD" -d kernel.MT7628_FDT.lzma
>>> kernel.MT7628_FDT.ulzma.uImage
>>>
>>>
>>> But this did not work either.
>>>
>>>
>>>
>>> On 08/05/2017 19:41, Aleksandr Rybalko wrote:
>>>> Hi Mike!
>>>>
>>>> I see you have no "OK" after "Uncompressing Kernel
> Image
>>> ...", so
>>>> first point uboot decompressor fail.
>>>> Why fail? Because you have wrong base address in image:
>>>> Load Address: fffffff2
>>>> Entry Point: fffffff2
>>>> MIPS32 machines have RAM mapped to 0x80000000 address, so adding
> its
>>>> size, you will get max address (if 16MB, it will be 0x81000000),
> but
>>>> you uboot image was created with 0xfffffff2.
>>>>
>>>> Even more, unpacked kernel expects it will be called at
> 0x80001100. so
>>>> if you have ELF kernel (file with ELF header, like every
> executable)
>>>> that file have to be loaded at (0x80001100 - ELF_HEADER_SIZE).
>>>> In most cases it will be 0x80001100 - 0x100 = 0x80001000. But
> sometime
>>>> (I did not found why) it can be 0x20, you can find it by looking
> at
>>>> .text section in readelf -S.
>>>>
>>>> So if you have kernel with entry point 0x80001100 and .text
> segment
>>>> offset 0x100, you have to create uboot image with load address
>>>> 0x80001000 and entry point 0x80001100.
>>>>
>>>> If that step successful you will get:
>>>> /Uncompressing Kernel Image/ ... OK
>>>> Starting kernel ...
>>>>
>>>> Last line mean, uboot did jump into kernel code.
>>>>
>>>> Good luck.
>>>>
>>>> 2017-05-07 18:20 GMT+03:00 Mike Wolman <mike at wolman.co.uk
>>>> <mailto:mike at wolman.co.uk>>:
>>>>
>>>> Hi,
>>>>
>>>> I am trying to get FreeBSD working on this board - I think I
> am
>>>> almost there in getting it working but need some help please.
>>>>
>>>> I have followed instructions from the freebsd-wifi-build and
>>>> *think* I have got everything correct - I am trying to do
> this on
>>>> a CURRENT setup:
>>>>
>>>> FreeBSD f64-current.mw.office 12.0-CURRENT FreeBSD
> 12.0-CURRENT #0
>>>> r317887: Sun May 7 03:20:34 UTC 2017
>>>>
> mike at f64-current.mw.office:/usr/obj/usr/src/sys/GENERIC-NODEBUG amd64
>>>>
>>>>
>>>> $ cat ~/.freebsd-wifi-build-settings.cfg
>>>> X_SKIP_MORE_STUFF=YES
>>>> X_EXTRA_SRC_CONF=~/omega2/src.conf
>>>>
>>>> $ cat ~/omega2/src.conf
>>>> WITHOUT_CLANG=YES
>>>> WITHOUT_CLANG_FULL=YES
>>>>
>>>> get dts files from thread
>>>> http://community.onion.io/topic/1099/openwrt-on-the-omega-2/8
>>>>
> <http://community.onion.io/topic/1099/openwrt-on-the-omega-2/8>
>>>>
>>>>
>>>> cd ~/omega2/src/sys/gnu/dts/mips
>>>> fetch
>>>>
>>>
> https://raw.githubusercontent.com/WereCatf/source/image/target/linux/ramips/dts/OMEGA2.dtsi
>>>>
>>>
> <https://raw.githubusercontent.com/WereCatf/source/image/target/linux/ramips/dts/OMEGA2.dtsi>
>>>> fetch
>>>>
>>>
> https://raw.githubusercontent.com/WereCatf/source/image/target/linux/ramips/dts/OMEGA2.dts
>>>>
>>>
> <https://raw.githubusercontent.com/WereCatf/source/image/target/linux/ramips/dts/OMEGA2.dts>
>>>> fetch
>>>>
>>>
> https://raw.githubusercontent.com/WereCatf/source/image/target/linux/ramips/dts/OMEGA2P.dts
>>>>
>>>
> <https://raw.githubusercontent.com/WereCatf/source/image/target/linux/ramips/dts/OMEGA2P.dts>
>>>> X_DTS_FILE=OMEGA2P.dts KERNCONF=MT7628_FDT
>>>> ../freebsd-wifi-build/build/bin/build ralink buildworld
>>>> X_DTS_FILE=OMEGA2P.dts KERNCONF=MT7628_FDT
>>>> ../freebsd-wifi-build/build/bin/build ralink buildkernel
>>>> X_DTS_FILE=OMEGA2P.dts KERNCONF=MT7628_FDT
>>>> ../freebsd-wifi-build/build/bin/build ralink installworld
>>>> X_DTS_FILE=OMEGA2P.dts KERNCONF=MT7628_FDT
>>>> ../freebsd-wifi-build/build/bin/build ralink installkernel
>>>> X_DTS_FILE=OMEGA2P.dts KERNCONF=MT7628_FDT
>>>> ../freebsd-wifi-build/build/bin/build ralink distribution
>>>>
>>>>
>>>> X_DTS_FILE=OMEGA2P.dts KERNCONF=MT7628_FDT
>>>> ../freebsd-wifi-build/build/bin/build ralink mfsroot
>>>> X_DTS_FILE=OMEGA2P.dts KERNCONF=MT7628_FDT
>>>> ../freebsd-wifi-build/build/bin/build ralink fsimage
>>>> X_DTS_FILE=OMEGA2P.dts KERNCONF=MT7628_FDT
>>>> ../freebsd-wifi-build/build/bin/build ralink uboot
>>>>
>>>>
>>>> Create flash:
>>>>
>>>> X_FLASH=kernel.MT7628_FDT.lzma.flash
>>>> dd if=/dev/zero bs=$(( 0x200000 )) count=1 of=${X_FLASH}
>>>> dd if=kernel.MT7628_FDT.lzma.uImage of=${X_FLASH}
> conv=notrunc
>>>> dd if= mfsroot-ralink.img.lzma >> ${X_FLASH}
>>>>
>>>>
>>>> $ readelf -h kernel.MT7628_FDT | grep Entry
>>>> Entry point address: 0x80001100
>>>>
>>>>
>>>>
>>>>
>>>> Now on the omega over serial - I didnt get the network
> expansion
>>>> doc thing so am doing stuff with usb rather than tftp
>>>>
>>>> I am not 100% sure about the 0x80001100 and the fatload and
> have
>>>> tried this
>>>>
>>>> Omega2 # fatload usb 0:1 0x80001100
> /kernel.MT7628_FDT.lzma.flash
>>>> *
>>>> *
>>>> Reading file "/kernel.MT7628_FDT.lzma.flash"
>>>> *
>>>> **
>>>> **
>>>> **
>>>> ******
>>>>
>>>
> *********************************************************************************************************************************************
>>>> ******
>>>> *
>>>> FAT: 2108463 Bytes read
>>>> Omega2 # bootm 0x80001100
>>>> ## Booting image at 80001100 ...
>>>> Image Name: FreeBSD
>>>> Image Type: MIPS Linux Kernel Image (lzma compressed)
>>>> Data Size: 1365122 Bytes = 1.3 MB
>>>> Load Address: fffffff2
>>>> Entry Point: fffffff2
>>>> Verifying Checksum ... OK
>>>> Uncompressing Kernel Image ...
>>>>
>>>>
>>>> At this point nothing happens and console hangs - note in
>>>> OMEGA2.dtsithe console is set to ttyS0:
>>>>
>>>> bootargs = "console=ttyS0,115200";
>>>>
>>>>
>>>>
>>>>
>>>> I have also tried with just kernel.MT7628_FDT and
>>>> kernel.MT7628_FDT.lzma but both fail:
>>>>
>>>> Omega2 # fatload usb 0:1 0x80001100
> /kernel.MT7628_FDT.lzma.uImage
>>>> *
>>>> *
>>>> Reading file "/kernel.MT7628_FDT.lzma.uImage"
>>>> *
>>>> **
>>>> **
>>>> ******
>>>>
>>>
> ******************************************************************************************************************************
>>>> **********
>>>> *
>>>> FAT: 1365186 Bytes read
>>>> Omega2 # bootm 0x80001100
>>>> ## Booting image at 80001100 ...
>>>> Image Name: FreeBSD
>>>> Image Type: MIPS Linux Kernel Image (lzma compressed)
>>>> Data Size: 1365122 Bytes = 1.3 MB
>>>> Load Address: fffffff2
>>>> Entry Point: fffffff2
>>>> Verifying Checksum ... OK
>>>> Uncompressing Kernel Image ...
>>>>
>>>>
>>>> A few comments on the hardware for anyone who wants to get
> one:
>>>>
>>>> Get the expansion dock with serial port access - the power
> dock
>>>> does not provide serial access - i think it is possible to
> use an
>>>> ftdi ttl serial chip/cable but have not tried.
>>>>
>>>> Stupidly I forgot this only has wifi access so you are not
> able to
>>>> tftp boot this without getting the ethernet network expansion
> but
>>>> loading stuff up from a usb memory stick is seem fine from
> u-boot.
>>>>
>>>> I do not think that it is possible to boot from the SD card
> on the
>>>> Omega2+ - which is a shame.
>>>>
>>>> Thanks for reading,
>>>>
>>>> Mike.
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> freebsd-mips at freebsd.org
> <mailto:freebsd-mips at freebsd.org>mailing
>>> list
>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-mips
>>>>
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>>>> <mailto:freebsd-mips-unsubscribe at freebsd.org>"
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> WBW
>>>> -------
>>>> Rybalko Aleksandr <ray at ddteam.net
> <mailto:ray at ddteam.net>>
>>>>
>>> _______________________________________________
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>>> https://lists.freebsd.org/mailman/listinfo/freebsd-mips
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>>> "freebsd-mips-unsubscribe at freebsd.org"
>>>
>
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