Attention is currently required from: Neil Armstrong, Carl-Daniel Hailfinger.

Neil Armstrong uploaded patch set #2 to this change.

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VIA VL805 SPI Flash Bus support

The VIA VL805 (and VL806 2-port variant) is a 4 ports PCIe-Super Speed USB 3.0 bridge.

Vendor website: https://www.via-labs.com/product_show.php?id=48

The bridge requires an SPI NOR Flash in order to load the firmware, and offers
registers used to access this SPI bus in order to program the SPI NOR Flash.

Reverse engineered based on PCI traces created by cleverca22 on a
Raspberry Pi 4 Model B.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
[narmstrong: Tested, fixed validated on an Amlogic ARM64 based board with the VL806 variant]
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Change-Id: I7439d31cdf5a2174dd27b9dbe5de24ad64963334
---
M Makefile
M flashrom.8.tmpl
M flashrom.c
M meson.build
M meson_options.txt
M programmer.h
A vl805.c
7 files changed, 210 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/64/50264/2

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