Hi,
On 08-01-15 13:49, Lars Doelle wrote:
On Thursday, January 08, 2015 09:22:54 you wrote:
On Wed, 07 Jan 2015 11:48:54 +0100
Lars Doelle <[email protected]> wrote:
Hi Siarhei,
currently I struggle somewhat getting mainline u-boot going on my
tablet [[Tristan-Auron-Planet-1]]. This is very strange, since mainline
u-boot behaves flawless with my Lime2 board that I use otherwise
to track down such issues.
In some thread on the linux-sunxi maillist you offered:
If you are interested, then I can provide instructions about how to
build u-boot with the serial console output through MicroSD breakout,
the kernel, and buildroot based initramfs for testing WLAN.
Perhaps, this could be a way to go for me, as i have a MicroSD breakout
at hand. If you could send the instructions in particular related to u-boot
(both sunxi and mainline, it different) I would try to reproduce your method.
If this works, I'll gladly document it in the wiki, as i consider this method
to be more commonly usable but soldering on the boards.
Hi.
Could you actually move this to the mailing list?
I hereby do.
Basically, you just need to add the following lines to the
relevant u-boot *_defconfig file:
+S:CONFIG_SPL_FEL=y
+S:CONFIG_UART0_PORT_F=y
Ah! There's the secret switch...
Or select these options in u-boot menuconfig. Please not that
menuconfig needs to be run twice: once for u-boot and once for
the SPL. This is very inconvenient and error prone, so editing
*_defconfig is easier. After you have built u-boot, it can be
booted over the micro-sub cable (because the sd card slot is
occupied by the breakout board).
The remainder, I think, is already well documented in [[FEL/USBBoot]].
Great, could you perhaps update the wiki to also mention the
new bits needed when using upstream u-boot, preferably listing
the upstream u-boot bits before the (from my pov deprecated) sunxi u-boot
version ?
Thanks & Regards,
Hans
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