For SOM with the EC configuration, the ethernet PHY is located on the
SOM itself, and connected to the CPU ethernet controller. It has a
reset line controlled via GPIO1_IO9. In this configuration, the PHY
located on the carrier board is not connected to anything and is
therefore not used.
For SOM without EC configuration, the ethernet PHY on the carrier
board is connected to the CPU ethernet controller. It has a reset line
controlled via the GPIO expander PCA9534_IO5.
The hardware configuration (EC) is determined at runtime by
reading from the SOM EEPROM.
To support both hardware configurations (EC and non-EC), adjust/fix
the PHY reset gpios according to the hardware configuration
read at runtime from the SOM EEPROM. This adjustement is done in
U-Boot (OF_BOARD_FIXUP) and kernel (OF_BOARD_SETUP) device trees.
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Enable support to read and display configuration/manufacturing infos
from 4Kbit EEPROM located on SOM board.
Note: CONFIG_DISPLAY_BOARDINFO is automatically selected for ARM arch.
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
This converts 4 usages of this option to the non-SPL form, since there is
no SPL_FEC_MXC defined in Kconfig
Signed-off-by: Simon Glass <sjg@chromium.org>
