As part of bringing the master branch back in to next, we need to allow
for all of these changes to exist here.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>

When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay
Ethernet"' I failed to notice that b4 noticed it was based on next and
so took that as the base commit and merged that part of next to master.

This reverts commit c8ffd1356d42223cbb8c86280a083cc3c93e6426, reversing
changes made to 2ee6f3a5f7550de3599faef9704e166e5dcace35.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>

Remove <common.h> from all "cmd/" files and when needed add
missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>

It is a pain to have to specify the value 16 in each call. Add a new
hextoul() function and update the code to use it.

Add a proper comment to simple_strtoul() while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>

This header file should not be included in other header files. Remove it
and use other headers and C inclusions instead.

Signed-off-by: Simon Glass <sjg@chromium.org>

We should not use typedefs in U-Boot. They cannot be used as forward
declarations which means that header files must include the full header to
access them.

Drop the typedef and rename the struct to remove the _s suffix which is
now not useful.

This requires quite a few header-file additions.

Signed-off-by: Simon Glass <sjg@chromium.org>

Document that the lack of breaks is intentional.

Series-to: u-boot
Series-cc: ti

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>

Calling 'mdio read ...' currently leads to a data abort when no mdio
bus is found.

To fix this, check if 'bus' is a valid pointer before accessing it.

Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Tested-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

Adds UCLASS_MDIO DM class supporting MDIO buses that are probed as
stand-alone devices.  Useful in particular for systems that support
DM_ETH and have a stand-alone MDIO hardware block shared by multiple
Ethernet interfaces.

Signed-off-by: Alex Marginean <alexm.osslist@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

Alex reported the following:

  "
  I'm doing some MDIO work on a freescale/NXP platform and I bumped into
  errors with this command:
  => mdio r emdio#3 5 3
  Reading from bus emdio#3
  "Synchronous Abort" handler, esr 0x8600000e
  elr: ffffffff862b8000 lr : 000000008200cce4 (reloc)
  ...

  mdio list does not list any PHYs currently because ethernet is using DM
  and the interfaces are not probed at this time.  The PHY does exist
  on the bus though.
  The above scenario works with this commit reverted:
  e55047ec51a662c12ed53ff543ec7cdf158b2137 cmd: mdio: Switch to generic
  helpers when accessing the registers

  The current code using generic helpers only works for PHYs that have
  been registered and show up in bus->phymap and crashes for arbitrary
  IDs.  I find it useful to allow reading from other addresses over MDIO
  too, certainly helpful for people debugging MDIO on various boards.
  "

Fix this by reverting to use the raw MDIO bus operations in case there
is no PHY probed based on DT at the specified address.

This restores the old behavior for these PHYs, which means that the
newly introduced MMD-over-C22 helpers won't be available for them, but
at least they will be accessible again without crashing the system.

Fixes: commit e55047ec51a6 ("cmd: mdio: Switch to generic helpers when accessing the registers")
Reported-by: Alex Marginean <alexm.osslist@gmail.com>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Alex Marginean <alexm.osslist@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>