root@j7-evm:~# ./cpsw_sgmii_idver.sh 
/dev/mem opened.
Memory mapped at address 0xffffb16b0000.
Read at address  0x0C000100 (0xffffb16b0100): 0x4EC21102
/dev/mem opened.
Memory mapped at address 0xffff98280000.
Read at address  0x0C000200 (0xffff98280200): 0x4EC21102
/dev/mem opened.
Memory mapped at address 0xffff8be50000.
Read at address  0x0C000300 (0xffff8be50300): 0x4EC21102
/dev/mem opened.
Memory mapped at address 0xffffb1590000.
Read at address  0x0C000400 (0xffffb1590400): 0x4EC21102
/dev/mem opened.
Memory mapped at address 0xffffa20e0000.
Read at address  0x0C000500 (0xffffa20e0500): 0x00000000
/dev/mem opened.
Memory mapped at address 0xffff8ade0000.
Read at address  0x0C000600 (0xffff8ade0600): 0x00000000
/dev/mem opened.
Memory mapped at address 0xffff9a2f0000.
Read at address  0x0C000700 (0xffff9a2f0700): 0x00000000
/dev/mem opened.
Memory mapped at address 0xffff8cda0000.
Read at address  0x0C000800 (0xffff8cda0800): 0x4EC21102
root@j7-evm:~#