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- On the enbw_cmc board is a KSZ8864RMN switch which needs
- configured through spi before working. This is done on
- startup from u-boot through a config file stored at an
- address specified in the "hwconfig" environment variable,
- subcommand "config".
- For example on the enbw_cmc board:
- hwconfig=switch:lan=on,pwl=off,config=0x60160000
- The file has the following structure:
- - a comment starts with a '#' or a ';' and ends with a newline
- - The switch needs for its config a reg/value pair, so we
- have two columns in the file:
- reg : contains the register address
- value: contains a 8 bit register value
- This 2 columns are seperated through space or tab.
- example (minimal configuration on the enbw_cmc board):
- ;reg value comment
- ;-----------------------------------------
- 0x01 0x00
- 0x01 0x01 ; Start Switch with this configuration
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