Jonas Jelonek 6a5cae7d74 realtek: pcs: rtl838x: transplant firmware config
In the PHY driver, firmware files were used to store configuration
values for the SerDes which need to be applied upon initialization.
There are several issues which prevent to just take that over into the
PCS driver:
* SerDes and PHY parts are mixed within a firmware file
* SerDes access in PHY driver is based on writing into the switch's
  global register space; PCS driver uses access via MDIO interface
  --> destination values do not match
* firmware file format is not SerDes-agnostic
* no documentation or script for the "old" firmware files

Unfortunately, there is no proper firmware format yet where to take over
the required sequences. Thus, extract the sequences needed for RTL838X
SerDes, transform them to work with the MDIO based access and put them
as functions in the PCS driver.

Note that this should just be a temporary solution. In a next step, a
proper firmware format should be established and all configuration
sequences currently in the code should be moved into firmware files.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/20876
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2025-12-09 00:28:27 +01:00
2024-05-17 22:03:06 +03:00
2021-02-05 14:54:47 +01:00

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