# Cmd input DDR
        self.specials += Instance("IDDR",
            p_DDR_CLK_EDGE="SAME_EDGE_PIPELINED",
            i_C=ClockSignal("sd_fb"), i_CE=1, i_S=0, i_R=0,
            i_D=self.cmd_t.i, o_Q1=Signal(), o_Q2=sdpads.cmd.i
        )

becomes:

        # Cmd input DDR
        self.specials += Instance("IDDRX1F",
            i_SCLK=ClockSignal("sd_fb"), i_RST=0,
            i_D=self.cmd_t.i, o_Q0=Signal(), o_Q1=sdpads.cmd.i,
        )