XPCS_CTRL_1_REG
XPCS_REG_RD(handle, portn, XPCS_CTRL_1_REG, &val);
XPCS_REG_WR(handle, portn, XPCS_CTRL_1_REG, val);
XPCS_REG_RD(handle, portn, XPCS_CTRL_1_REG, &val);
reg = XPCS_CTRL_1_REG;
reg = XPCS_CTRL_1_REG;