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dac_fmc_ebz: drive spi_en pin automatically based on FMC board selected 

spi_en is active ...
   ... high for AD9135-FMC-EBZ, AD9136-FMC-EBZ, AD9144-FMC-EBZ,
   ... low for AD9171-FMC-EBZ, AD9172-FMC-EBZ, AD9173-FMC-EBZ
main
Laszlo Nagy 2020-02-26 09:31:06 +00:00 committed by Laszlo Nagy
parent ef15757d9e
commit 35412c81a9
3 changed files with 14 additions and 17 deletions
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3
projects/dac_fmc_ebz/a10soc/system_top.v
View File

@ -167,7 +167,7 @@ module system_top #(
// If you are planning to build a bitstream for just one of those boards you // If you are planning to build a bitstream for just one of those boards you
// can hardwire the logic level here. // can hardwire the logic level here.
// //
// assign spi_en = 1'bz; assign spi_en = (DEVICE_CODE <= 2);
assign spi_csn_clk = spi_csn_s[0]; assign spi_csn_clk = spi_csn_s[0];
assign spi_csn_dac = spi_csn_s[1]; assign spi_csn_dac = spi_csn_s[1];
@ -176,7 +176,6 @@ module system_top #(
assign dac_fifo_bypass = gpio_o[40]; assign dac_fifo_bypass = gpio_o[40];
assign spi_en = gpio_o[36];
assign dac_txen = gpio_o[35:32]; assign dac_txen = gpio_o[35:32];
assign gpio_i[63:32] = 'h0; assign gpio_i[63:32] = 'h0;

15
projects/dac_fmc_ebz/zc706/system_top.v
View File

@ -88,7 +88,7 @@ module system_top #(
inout [ 4:0] dac_ctrl, inout [ 4:0] dac_ctrl,
inout spi_en, output spi_en,
output spi_csn_dac, output spi_csn_dac,
output spi_csn_clk, output spi_csn_clk,
output spi_csn_clk2, output spi_csn_clk2,
@ -128,7 +128,7 @@ module system_top #(
// If you are planning to build a bitstream for just one of those boards you // If you are planning to build a bitstream for just one of those boards you
// can hardwire the logic level here. // can hardwire the logic level here.
// //
// assign spi_en = 1'bz; assign spi_en = (DEVICE_CODE <= 2);
// 9135/9144/9172 916(1,2,3,4) // 9135/9144/9172 916(1,2,3,4)
assign spi_csn_dac = spi0_csn[1]; assign spi_csn_dac = spi0_csn[1];
@ -164,13 +164,12 @@ module system_top #(
/* FMC GPIOs */ /* FMC GPIOs */
ad_iobuf #( ad_iobuf #(
.DATA_WIDTH(6) .DATA_WIDTH(5)
) i_iobuf ( ) i_iobuf (
.dio_t (gpio_t[21+:6]), .dio_t (gpio_t[21+:5]),
.dio_i (gpio_o[21+:6]), .dio_i (gpio_o[21+:5]),
.dio_o (gpio_i[21+:6]), .dio_o (gpio_i[21+:5]),
.dio_p ({ .dio_p ({
spi_en, /* 26 */
dac_ctrl /* 25 - 21 */ dac_ctrl /* 25 - 21 */
}) })
); );
@ -215,7 +214,7 @@ module system_top #(
); );
assign gpio_i[63:52] = gpio_o[63:52]; assign gpio_i[63:52] = gpio_o[63:52];
assign gpio_i[47:27] = gpio_o[47:27]; assign gpio_i[47:26] = gpio_o[47:26];
assign gpio_i[20:15] = gpio_o[20:15]; assign gpio_i[20:15] = gpio_o[20:15];
system_wrapper i_system_wrapper ( system_wrapper i_system_wrapper (

13
projects/dac_fmc_ebz/zcu102/system_top.v
View File

@ -136,7 +136,7 @@ module system_top #(
// If you are planning to build a bitstream for just one of those boards you // If you are planning to build a bitstream for just one of those boards you
// can hardwire the logic level here. // can hardwire the logic level here.
// //
// assign spi_en = 1'bz; assign spi_en = (DEVICE_CODE <= 2);
// 9135/9144/9172 916(1,2,3,4) // 9135/9144/9172 916(1,2,3,4)
assign spi_csn_dac = spi0_csn[1]; assign spi_csn_dac = spi0_csn[1];
@ -172,13 +172,12 @@ module system_top #(
/* FMC GPIOs */ /* FMC GPIOs */
ad_iobuf #( ad_iobuf #(
.DATA_WIDTH(6) .DATA_WIDTH(5)
) i_iobuf ( ) i_iobuf (
.dio_t (gpio_t[21+:6]), .dio_t (gpio_t[21+:5]),
.dio_i (gpio_o[21+:6]), .dio_i (gpio_o[21+:5]),
.dio_o (gpio_i[21+:6]), .dio_o (gpio_i[21+:5]),
.dio_p ({ .dio_p ({
spi_en, /* 26 */
dac_ctrl /* 25 - 21 */ dac_ctrl /* 25 - 21 */
}) })
); );
@ -215,7 +214,7 @@ module system_top #(
assign gpio_i[94:52] = gpio_o[94:52]; assign gpio_i[94:52] = gpio_o[94:52];
assign gpio_i[47:32] = gpio_o[47:32]; assign gpio_i[47:32] = gpio_o[47:32];
assign gpio_i[31:27] = gpio_o[31:27]; assign gpio_i[31:26] = gpio_o[31:26];
assign gpio_i[ 7: 0] = gpio_o[7:0]; assign gpio_i[ 7: 0] = gpio_o[7:0];
system_wrapper i_system_wrapper ( system_wrapper i_system_wrapper (