Hi guys,
Is someone have an experience with programming i2c interface on XL710?
I need to test QSFP+ 10 Gbs 4X Pluggable Transceiver (FTL410QD2C) , i.e. to
write something data, read that and also to test Acknowledge.
Device code of this transceiver is 1010000 R/W.
According to XL710 data sheet, I need to write/read to/from register
GLGEN_I2CCMD0 (offset 0x000881E0).
I perform it using some utility. Here are 2 commands for example:
find /sys/kernel/debug/i40e/ -name command -exec sh -c 'echo "write 0x000881e0
0x20a05a5a" > {}' {} ';'
find /sys/kernel/debug/i40e/ -name command -exec sh -c 'echo "write 0x000881e0
0x28a00000" > {}' {} ';'
find /sys/kernel/debug/i40e/ -name command -exec sh -c 'echo "read 0x000881e0
" > {}' {} ';'
How do I need to write/read to/from this register properly?
I don't understand what is filed REGADD and PHYADD (chapter 11.2..2.1.14)?
Please advice.
Best regards,
Vladimir
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