VC707 : use IO bundles directly from the PCIe and MIG devices instead of redeclaring signals
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@ -10,14 +10,20 @@ import freechips.rocketchip.tilelink._
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import sifive.fpgashells.ip.xilinx.vc707axi_to_pcie_x1.{VC707AXIToPCIeX1, VC707AXIToPCIeX1IOClocksReset, VC707AXIToPCIeX1IOSerial}
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import sifive.fpgashells.ip.xilinx.ibufds_gte2.IBUFDS_GTE2
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class XilinxVC707PCIeX1Pads extends Bundle with VC707AXIToPCIeX1IOSerial
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trait VC707AXIToPCIeRefClk extends Bundle{
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val REFCLK_rxp = Bool(INPUT)
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val REFCLK_rxn = Bool(INPUT)
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}
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class XilinxVC707PCIeX1Pads extends Bundle
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with VC707AXIToPCIeX1IOSerial
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with VC707AXIToPCIeRefClk
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class XilinxVC707PCIeX1IO extends Bundle
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with VC707AXIToPCIeRefClk
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with VC707AXIToPCIeX1IOSerial
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with VC707AXIToPCIeX1IOClocksReset {
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val axi_ctl_aresetn = Bool(INPUT)
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val REFCLK_rxp = Bool(INPUT)
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val REFCLK_rxn = Bool(INPUT)
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}
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class XilinxVC707PCIeX1(implicit p: Parameters) extends LazyModule {
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@ -35,21 +35,7 @@ abstract class VC707Shell(implicit val p: Parameters) extends RawModule {
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val reset = IO(Input(Bool()))
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// DDR SDRAM
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val ddr3_addr = IO(Output(UInt(16.W)))
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val ddr3_ba = IO(Output(UInt(3.W)))
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val ddr3_cas_n = IO(Output(Bool()))
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val ddr3_ck_p = IO(Output(Bool()))
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val ddr3_ck_n = IO(Output(Bool()))
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val ddr3_cke = IO(Output(Bool()))
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val ddr3_cs_n = IO(Output(Bool()))
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val ddr3_dm = IO(Output(UInt(8.W)))
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val ddr3_dq = IO(Analog(64.W))
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val ddr3_dqs_n = IO(Analog(8.W))
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val ddr3_dqs_p = IO(Analog(8.W))
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val ddr3_odt = IO(Output(Bool()))
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val ddr3_ras_n = IO(Output(Bool()))
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val ddr3_reset_n = IO(Output(Bool()))
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val ddr3_we_n = IO(Output(Bool()))
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val ddr = IO(new XilinxVC707MIGPads(p(MemoryXilinxDDRKey)))
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// LED
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val led = IO(Vec(8, Output(Bool())))
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@ -72,12 +58,7 @@ abstract class VC707Shell(implicit val p: Parameters) extends RawModule {
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val jtag_TDO = IO(Output(Bool()))
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// PCIe
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val pci_exp_txp = IO(Output(Bool()))
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val pci_exp_txn = IO(Output(Bool()))
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val pci_exp_rxp = IO(Input(Bool()))
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val pci_exp_rxn = IO(Input(Bool()))
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val pci_exp_refclk_rxp = IO(Input(Bool()))
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val pci_exp_refclk_rxn = IO(Input(Bool()))
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val pcie = IO(new XilinxVC707PCIeX1Pads)
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//-----------------------------------------------------------------------
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// Wire declrations
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@ -257,23 +238,7 @@ abstract class VC707Shell(implicit val p: Parameters) extends RawModule {
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dut.xilinxvc707mig.aresetn := mig_resetn
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dut.xilinxvc707mig.sys_rst := sys_reset
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// Outputs
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ddr3_addr := dut.xilinxvc707mig.ddr3_addr
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ddr3_ba := dut.xilinxvc707mig.ddr3_ba
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ddr3_ras_n := dut.xilinxvc707mig.ddr3_ras_n
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ddr3_cas_n := dut.xilinxvc707mig.ddr3_cas_n
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ddr3_we_n := dut.xilinxvc707mig.ddr3_we_n
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ddr3_reset_n := dut.xilinxvc707mig.ddr3_reset_n
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ddr3_ck_p := dut.xilinxvc707mig.ddr3_ck_p
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ddr3_ck_n := dut.xilinxvc707mig.ddr3_ck_n
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ddr3_cke := dut.xilinxvc707mig.ddr3_cke
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ddr3_cs_n := dut.xilinxvc707mig.ddr3_cs_n
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ddr3_dm := dut.xilinxvc707mig.ddr3_dm
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ddr3_odt := dut.xilinxvc707mig.ddr3_odt
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attach(ddr3_dq, dut.xilinxvc707mig.ddr3_dq)
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attach(ddr3_dqs_n, dut.xilinxvc707mig.ddr3_dqs_n)
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attach(ddr3_dqs_p, dut.xilinxvc707mig.ddr3_dqs_p)
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ddr <> dut.xilinxvc707mig
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}
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//---------------------------------------------------------------------
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@ -287,14 +252,8 @@ abstract class VC707Shell(implicit val p: Parameters) extends RawModule {
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pcie_cfg_clock := dut.xilinxvc707pcie.axi_ctl_aclk_out
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mmcm_lock_pcie := dut.xilinxvc707pcie.mmcm_lock
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dut.xilinxvc707pcie.axi_ctl_aresetn := pcie_dat_resetn
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dut.xilinxvc707pcie.REFCLK_rxp := pci_exp_refclk_rxp
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dut.xilinxvc707pcie.REFCLK_rxn := pci_exp_refclk_rxn
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// PCIeX1 connections
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pci_exp_txp := dut.xilinxvc707pcie.pci_exp_txp
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pci_exp_txn := dut.xilinxvc707pcie.pci_exp_txn
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dut.xilinxvc707pcie.pci_exp_rxp := pci_exp_rxp
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dut.xilinxvc707pcie.pci_exp_rxn := pci_exp_rxn
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pcie <> dut.xilinxvc707pcie
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}
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}
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