rpi4b main-n245392-8423f5d4c12 won't boot due to microsd timeout [FIXED]

[tech-lists]

On Sat, Mar 13, 2021 at 01:04:01PM -0800, Mark Millard wrote:

>If I gather correctly, it works but so does the one found in
>FreeBSD-14.0-CURRENT-arm64-aarch64-RPI-20210311-15565e0a217-257277.img
>? In other words, the material from
>fbsd-rpi4-u-boot2021-04-klaus/files/u-boot.bin/download
>
>works but is not required to make the RPi4B work?

Yes. I have tested it, and it "works" to the extent that it boots
normally and I can't see any issues[1] at first glance.

For clarity, the sha256 of the u-boot provided from the FreeBSD image is
SHA256 (u-boot.bin) =
8fa7d8d0f8d9708f7adecb89ca239a52c2f9b6911c20e27b71e4d99d132dbfc4

The latest u-boot from Klaus is
SHA256 (u-boot.bin) =
48b6d9b3837aabaa7ad9830babe15722f2c46cc03f48f1b64ef40d2c0d0f7529

In both cases, the start4.elf and fixup4.dat that I'm using are 
the same vintage:

% sha256 start4.elf
SHA256 (start4.elf) =
dce1545e7133835b77871295292f692a84101722f6ceecf73f91f2248ba01907

% strings /boot/msdos/start4.elf | grep VC_BUILD_ID_
VC_BUILD_ID_USER: dom
VC_BUILD_ID_TIME: 10:12:47
VC_BUILD_ID_VARIANT: start
VC_BUILD_ID_TIME: Mar 10 2021
VC_BUILD_ID_BRANCH: bcm2711_2
VC_BUILD_ID_HOSTNAME: buildbot
VC_BUILD_ID_PLATFORM: raspberrypi_linux
VC_BUILD_ID_VERSION: 4b9ea44619376439c801684745a12299b45ae2bb (clean)

% sha256 /boot/msdos/fixup4.dat 
SHA256 (/boot/msdos/fixup4.dat) =
0526e9e190fa1f957c3c7e8063116e0adfd9a0eb9c72c2fe67d59140ef84dc1a

These were downloaded from 
https://github.com/raspberrypi/firmware/raw/0591568b29a724de406aa737fc8e13f68c423f3f/boot/start4.elf
and
https://github.com/raspberrypi/firmware/raw/0591568b29a724de406aa737fc8e13f68c423f3f/boot/fixup4.dat

[1] how would I "test" the installed[2] u-boot.bin to make sure it was
working correctly?

[2] the one that was on
FreeBSD-14.0-CURRENT-arm64-aarch64-RPI-20210311-15565e0a217-257277.img

thanks,
-- 
J.
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