LS1043ardb serdes interface

[akeshchacko]

hi,

we are currently working on ls1043ardb reference board with SDK0.5. When using RCW 4555 (req. for our target board) it is not able to detect mPCIe card in the reference board. Changed the PLL1 clock frequency to 100MHz (by changing SD1REFCLK_SEL switch to 0). We are using SD card booting. Are we missing something?? Given below is the RCW configuration.

# RCW

08100010 0a000000 00000000 00000000

45550002 80004012 60040000 c1002000

00000000 00000000 00000000 00038800

00000000 00001100 00000096 00000001

[ufedor · Accepted solution]

For the 100MHz reference clock value of the RCW bit SRDS_PLL_REF_CLK_SEL_Sn - SerDes PLL1 (RCW[160]) has to be 0, but it is 1 in the provided RCW.

[nikhilprakash]

Thanks ufedor.We will try with the changed rcw.