still clawing my way through the previous replies to my admittedly tedious questions, but since i want to get specific with this issue, i thought a new thread would be in order.
i think my biggest obstacle with this DB410C is just getting used to a new boot process that is clearly more sophisticated than what i'm used to with other boards, like my BBB.
rather than ask numerous questions, is there a canonical explanation of the boot procedure, like say the hardware reference manual, or something like that? i think a lot of my confusion will evaporate as soon as i can say, "ah, so *that's* how the boot process works."
to that end, i'm going to check out the actual flashing utility in the debian install image; i figure reading the source is the best way to get to the bottom of this.
rday
On Wed, May 24, 2017 at 12:40 PM, Robert P. J. Day rpjday@crashcourse.ca wrote:
still clawing my way through the previous replies to my admittedly tedious questions, but since i want to get specific with this issue, i thought a new thread would be in order.
i think my biggest obstacle with this DB410C is just getting used to a new boot process that is clearly more sophisticated than what i'm used to with other boards, like my BBB.
well, this is now fixed ;-)
I have added generation of bootable SD card, as per our previous discussions.. this will be fully integrated into the next release, but the SD image is now available. I have done it for our Debian releases for now. For OE i will need to look more into wic tools. If you go to our daily builds:
http://builds.96boards.org/snapshots/dragonboard410c/linaro/debian/latest/
there is now a file called dragonboard410c_sdcard_developer_debian-##.zip which contains a .img file that can be flashed onto an SD card on your PC (using Linux dd , or anything equivalent).
Once flashed the SD card can be placed into DB410c configured to boot from SD (S6-2 to ON), and you will get a prompt on the serial console.
The SD card image size is set arbitrarily to 4GB, so you need to use a card of 4GB or more. I am only building the -developer (e.g. headless) Debian image, but i will add the desktop image as well.
rather than ask numerous questions, is there a canonical explanation of the boot procedure, like say the hardware reference manual, or something like that? i think a lot of my confusion will evaporate as soon as i can say, "ah, so *that's* how the boot process works."
I don't think it is documented in any doc from Qualcomm. I have probably answered that question many times on many places. I will try to write a wiki page about it.
to that end, i'm going to check out the actual flashing utility in the debian install image; i figure reading the source is the best way to get to the bottom of this.
ok. let me know if you have any questions. this is another item which I would like to document a bit more one day..
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Nicolas Dechesne -
Robert P. J. Day