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ad9739a: updates for ad9739a

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Rejeesh Kutty 2015-01-09 10:54:50 -05:00
parent 785d3a4ae3
commit 117686f352
1 changed files with 43 additions and 144 deletions
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187
projects/ad9739a_fmc/zc706/system_top.v
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@ -74,27 +74,23 @@ module system_top (
spdif,
iic_scl,
iic_sda,
dac_clk_in_p,
dac_clk_in_n,
dac_clk_out_p,
dac_clk_out_n,
dac_frame_out_p,
dac_frame_out_n,
dac_data_out_p,
dac_data_out_n,
dac_data_out_a_p,
dac_data_out_a_n,
dac_data_out_b_p,
dac_data_out_b_n,
adc_clk_in_p,
adc_clk_in_n,
adc_or_in_p,
adc_or_in_n,
adc_data_in_p,
adc_data_in_n,
ref_clk_out_p,
ref_clk_out_n,
iic_scl,
iic_sda);
spi_csn_clk,
spi_csn_dac,
spi_clk,
spi_mosi,
spi_miso);
inout [14:0] DDR_addr;
inout [ 2:0] DDR_ba;
@ -129,116 +125,38 @@ module system_top (
output spdif;
inout iic_scl;
inout iic_sda;
input dac_clk_in_p;
input dac_clk_in_n;
output dac_clk_out_p;
output dac_clk_out_n;
output dac_frame_out_p;
output dac_frame_out_n;
output [15:0] dac_data_out_p;
output [15:0] dac_data_out_n;
output [13:0] dac_data_out_a_p;
output [13:0] dac_data_out_a_n;
output [13:0] dac_data_out_b_p;
output [13:0] dac_data_out_b_n;
input adc_clk_in_p;
input adc_clk_in_n;
input adc_or_in_p;
input adc_or_in_n;
input [13:0] adc_data_in_p;
input [13:0] adc_data_in_n;
output ref_clk_out_p;
output ref_clk_out_n;
inout iic_scl;
inout iic_sda;
// internal registers
reg [63:0] dac_ddata_0 = 'd0;
reg [63:0] dac_ddata_1 = 'd0;
reg dac_dma_rd = 'd0;
reg adc_data_cnt = 'd0;
reg adc_dma_wr = 'd0;
reg [31:0] adc_dma_wdata = 'd0;
output spi_csn_clk;
output spi_csn_dac;
output spi_clk;
output spi_mosi;
input spi_miso;
// internal signals
wire [14:0] gpio_i;
wire [14:0] gpio_o;
wire [14:0] gpio_t;
wire dac_clk;
wire dac_valid_0;
wire dac_enable_0;
wire dac_valid_1;
wire dac_enable_1;
wire [63:0] dac_dma_rdata;
wire adc_clk;
wire adc_valid_0;
wire adc_enable_0;
wire [15:0] adc_data_0;
wire adc_valid_1;
wire adc_enable_1;
wire [15:0] adc_data_1;
wire ref_clk;
wire oddr_ref_clk;
wire [15:0] ps_intrs;
// instantiations
ODDR #(
.DDR_CLK_EDGE ("SAME_EDGE"),
.INIT (1'b0),
.SRTYPE ("ASYNC"))
i_oddr_ref_clk (
.S (1'b0),
.CE (1'b1),
.R (1'b0),
.C (ref_clk),
.D1 (1'b1),
.D2 (1'b0),
.Q (oddr_ref_clk));
OBUFDS i_obufds_ref_clk (
.I (oddr_ref_clk),
.O (ref_clk_out_p),
.OB (ref_clk_out_n));
ad_iobuf #(
.DATA_WIDTH(15))
i_gpio_bd (
.dt(gpio_t),
.di(gpio_o),
.do(gpio_i),
.dio(gpio_bd));
always @(posedge dac_clk) begin
dac_dma_rd <= dac_valid_0 & dac_enable_0;
dac_ddata_1[63:48] <= dac_dma_rdata[63:48];
dac_ddata_1[47:32] <= dac_dma_rdata[63:48];
dac_ddata_1[31:16] <= dac_dma_rdata[31:16];
dac_ddata_1[15: 0] <= dac_dma_rdata[31:16];
dac_ddata_0[63:48] <= dac_dma_rdata[47:32];
dac_ddata_0[47:32] <= dac_dma_rdata[47:32];
dac_ddata_0[31:16] <= dac_dma_rdata[15: 0];
dac_ddata_0[15: 0] <= dac_dma_rdata[15: 0];
end
always @(posedge adc_clk) begin
adc_data_cnt <= ~adc_data_cnt ;
case ({adc_enable_1, adc_enable_0})
2'b10: begin
adc_dma_wr <= adc_data_cnt;
adc_dma_wdata <= {adc_data_1, adc_dma_wdata[31:16]};
end
2'b01: begin
adc_dma_wr <= adc_data_cnt;
adc_dma_wdata <= {adc_data_0, adc_dma_wdata[31:16]};
end
default: begin
adc_dma_wr <= 1'b1;
adc_dma_wdata <= {adc_data_1, adc_data_0};
end
endcase
end
ad_iobuf #(.DATA_WIDTH(15)) i_gpio_bd (
.dt (gpio_t[14:0]),
.di (gpio_o[14:0]),
.do (gpio_i[14:0]),
.dio (gpio_bd));
system_wrapper i_system_wrapper (
.DDR_addr (DDR_addr),
@ -265,39 +183,15 @@ module system_top (
.GPIO_I (gpio_i),
.GPIO_O (gpio_o),
.GPIO_T (gpio_t),
.adc_clk (adc_clk),
.adc_clk_in_n (adc_clk_in_n),
.adc_clk_in_p (adc_clk_in_p),
.adc_data_0 (adc_data_0),
.adc_data_1 (adc_data_1),
.adc_data_in_n (adc_data_in_n),
.adc_data_in_p (adc_data_in_p),
.adc_dma_sync (1'b1),
.adc_dma_wdata (adc_dma_wdata),
.adc_dma_wr (adc_dma_wr),
.adc_enable_0 (adc_enable_0),
.adc_enable_1 (adc_enable_1),
.adc_or_in_n (adc_or_in_n),
.adc_or_in_p (adc_or_in_p),
.adc_valid_0 (adc_valid_0),
.adc_valid_1 (adc_valid_1),
.dac_clk (dac_clk),
.ad9739a_dma_irq (ps_intrs[12]),
.dac_clk_in_n (dac_clk_in_n),
.dac_clk_in_p (dac_clk_in_p),
.dac_clk_out_n (dac_clk_out_n),
.dac_clk_out_p (dac_clk_out_p),
.dac_data_out_n (dac_data_out_n),
.dac_data_out_p (dac_data_out_p),
.dac_ddata_0 (dac_ddata_0),
.dac_ddata_1 (dac_ddata_1),
.dac_dma_rd (dac_dma_rd),
.dac_dma_rdata (dac_dma_rdata),
.dac_enable_0 (dac_enable_0),
.dac_enable_1 (dac_enable_1),
.dac_frame_out_n (dac_frame_out_n),
.dac_frame_out_p (dac_frame_out_p),
.dac_valid_0 (dac_valid_0),
.dac_valid_1 (dac_valid_1),
.dac_data_out_a_n (dac_data_out_a_n),
.dac_data_out_a_p (dac_data_out_a_p),
.dac_data_out_b_n (dac_data_out_b_n),
.dac_data_out_b_p (dac_data_out_b_p),
.hdmi_data (hdmi_data),
.hdmi_data_e (hdmi_data_e),
.hdmi_hsync (hdmi_hsync),
@ -319,10 +213,15 @@ module system_top (
.ps_intr_7 (ps_intrs[7]),
.ps_intr_8 (ps_intrs[8]),
.ps_intr_9 (ps_intrs[9]),
.ad9122_dma_irq (ps_intrs[12]),
.ad9643_dma_irq (ps_intrs[13]),
.ref_clk (ref_clk),
.spdif (spdif));
.spdif (spdif),
.spi_clk_i (spi_clk),
.spi_clk_o (spi_clk),
.spi_csn_0_o (spi_csn_clk),
.spi_csn_1_o (spi_csn_dac),
.spi_csn_i (1'b1),
.spi_sdi_i (spi_miso),
.spi_sdo_i (spi_mosi),
.spi_sdo_o (spi_mosi));
endmodule