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Disabled old SD card and attached IOBUF's to new SD peripheral.

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This commit is contained in:
Jacob Pease 2023-02-28 12:20:46 -06:00
parent 2822cb273c
commit b2a5786cda
2 changed files with 34 additions and 15 deletions
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2
config/fpga/wally-config.vh
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@ -117,7 +117,7 @@
`define PLIC_SUPPORTED 1'b1
`define PLIC_BASE 56'h0C000000
`define PLIC_RANGE 56'h03FFFFFF
`define SDC_SUPPORTED 1'b1
`define SDC_SUPPORTED 1'b0
`define SDC_BASE 56'h00012100
`define SDC_RANGE 56'h0000001F

45
fpga/src/fpgaTop.v
View File

@ -90,9 +90,10 @@ module fpgaTop
wire [31:0] GPIOPinsIn, GPIOPinsOut, GPIOPinsEn;
wire SDCCmdIn;
wire SDCCmdOE;
wire SDCCmdOut;
// Old SDC connections
// wire SDCCmdIn;
// wire SDCCmdOE;
// wire SDCCmdOut;
(* mark_debug = "true" *) wire [3:0] m_axi_awid;
(* mark_debug = "true" *) wire [7:0] m_axi_awlen;
@ -403,11 +404,18 @@ module fpgaTop
wire m01_axi_rvalid;
wire m01_axi_rready;
wire [3:0] SDCDatIn;
// Old SDC input
// wire [3:0] SDCDatIn;
// New SDC Command IOBUF connections
wire sd_cmd_i;
reg sd_cmd_reg_o;
reg sd_cmd_reg_t;
// New SDC Data IOBUF connections
wire [3:0] sd_dat_i;
reg [3:0] sd_dat_reg_o;
reg sd_dat_reg_t;
assign GPIOPinsIn = {28'b0, GPI};
assign GPO = GPIOPinsOut[4:0];
@ -418,12 +426,12 @@ module fpgaTop
// SD Card Tristate
/*
IOBUF iobufSDCMD(.T(~SDCCmdOE), // iobuf's T is active low
.I(SDCCmdOut),
.O(SDCCmdIn),
.IO(SDCCmd));
genvar i;
generate
for (i = 0; i < 4; i = i + 1) begin
@ -433,8 +441,20 @@ module fpgaTop
.IO(SDCDat[i]));
end
endgenerate
*/
// IOBUFS for new SDC peripheral
IOBUF IOBUF_cmd (.O(sd_cmd_i), .IO(SDCcmd), .I(sd_cmd_reg_o), .T(sd_cmd_reg_t));
genvar i;
generate
for (i = 0; i < 4; i = i + 1) begin
IOBUF iobufSDCDat(.T(sd_dat_reg_t),
.I(sd_dat_reg_o[i]),
.O(sd_dat_i[i]),
.IO(SDCDat[i]) );
end
endgenerate
// IOBUF IOBUF_cmd (.O(sd_cmd_i), .IO(sdio_cmd), .I(sd_cmd_reg_o), .T(sd_cmd_reg_t));
// IOBUF IOBUF_dat0 (.O(sd_dat_i[0]), .IO(sdio_dat[0]), .I(sd_dat_reg_o[0]), .T(sd_dat_reg_t));
// IOBUF IOBUF_dat1 (.O(sd_dat_i[1]), .IO(sdio_dat[1]), .I(sd_dat_reg_o[1]), .T(sd_dat_reg_t));
// IOBUF IOBUF_dat2 (.O(sd_dat_i[2]), .IO(sdio_dat[2]), .I(sd_dat_reg_o[2]), .T(sd_dat_reg_t));
@ -830,14 +850,13 @@ module fpgaTop
//.sdio_dat(4'b0),
//.sdio_cd(1'b0)
//.sd_dat_reg_t(),
//.sd_dat_reg_o(),
.sd_dat_i(4'b0),
//.sd_cmd_reg_t(),
//.sd_cmd_reg_o(),
.sd_cmd_i(1'b0)
.sd_dat_reg_t(sd_dat_reg_t),
.sd_dat_reg_o(sd_dat_reg_o),
.sd_dat_i(sd_dat_i),
.sd_cmd_reg_t(sd_cmd_reg_t),
.sd_cmd_reg_o(sd_cmd_reg_o),
.sd_cmd_i(sd_cmd_i)
);
xlnx_axi_dwidth_conv_32to64 axi_conv_up