Hi Marty,
On Sun, 2 Aug 2020 at 21:02, Simon Glass sjg@chromium.org wrote:
Hi Marty,
On Fri, 31 Jul 2020 at 12:30, Simon Glass sjg@chromium.org wrote:
Hi Marty,
On Fri, 31 Jul 2020 at 05:19, Marty E. Plummer hanetzer@startmail.com wrote:
On Tue, Jul 28, 2020 at 12:58:30PM -0600, Simon Glass wrote:
Hi Marty,
On Tue, 21 Jul 2020 at 21:07, Marty E. Plummer hanetzer@startmail.com wrote:
On Tue, Jul 21, 2020 at 10:21:52AM -0600, Simon Glass wrote:
Hi Marty,
Did you check spl_boot_device()?
After sending the initial email I noticed your binman work, which does some of the stuff I think I need. My current setup is as follows:
Also take a look at the CONFIG_TARGET stuff in the code as it might speciy BOB but not KEVIN.
Yeah. I worked that in.
Currently, a rom which is built with these changes (assuming u-boot.rom is what I want for SPI booting; strange its only 4mb, aren't these devices 8mb flash?) I get no output at all over the servo, aside from the EC.
I think it is only 4MB.
Nah, kevin is deffo 8mb flash chip. Otherwise I wouldn't have been able to shove a 7.xmb kernel+initramfs into a coreboot image and flash it.
Well that's odd. Maybe Kevin got a larger device than gru?
I have to pad the u-boot.rom with dd to flash it.
I am not sure that I have a kevin. Did you try using the debug UART?
Yeah, assuming you mean `dut-control cpu_uart_pty` with a servo hooked up, and using `socat READLINE /dev/pts/something`. I get no output, but the same chromiumos chroot with vanilla coreboot+depthcharge and hardware config does do output as expected.
Perhaps I'm missing something simple.
Probably, it often is. But what?!
I actually just found some old Chromebooks I didn't know i had, so I have a Kevin. If you push your tree somewhere I might be able to take a look this weekend.
I dug this out but I cannot get it to boot with the em100 emulator. I'll see if I can figure that out at some point. Sometimes I get serial garbage as well.
It is surprising that the flash is 8MB when Gru is 4MB. Must have run out of room.
Also I pushed the tree with your changes and one of mine here:
https://github.com/sjg20/u-boot/tree/kevin
Regards, SImon