CVMX_ASXX_RX_CLK_SETX
#define CVMX_ASXX_RX_CLK_SETX(offset, block_id) (CVMX_ADD_IO_SEG(0x00011800B0000020ull) + (((offset) & 3) + ((block_id) & 1) * 0x1000000ull) * 8)
#define CVMX_ASXX_RX_CLK_SETX(a, b) ((a) + (b))