V2: Add i2c por for evb eeprom

Signed-off-by: Jorge Marques <[email protected]>
analogdevicesinc · Nov 5, 2024 · dc00ba9 · dc00ba9
1 parent f30f854
commit dc00ba9
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Showing 6 changed files with 60 additions and 19 deletions.
diff --git a/projects/ad4052_ardz/common/ad4052_bd.tcl b/projects/ad4052_ardz/common/ad4052_bd.tcl
@@ -5,6 +5,8 @@
 
 create_bd_port -dir O adc_cnv
 create_bd_intf_port -mode Master -vlnv analog.com:interface:spi_engine_rtl:1.0 adc_spi
+create_bd_intf_port -mode Master -vlnv xilinx.com:interface:iic_rtl:1.0 iic_eeprom
+
 source $ad_hdl_dir/library/spi_engine/scripts/spi_engine.tcl
 
 set data_width    32
@@ -28,6 +30,8 @@ ad_ip_instance axi_pwm_gen adc_trigger_gen
 ad_ip_parameter adc_trigger_gen CONFIG.PULSE_0_PERIOD 120
 ad_ip_parameter adc_trigger_gen CONFIG.PULSE_0_WIDTH 1
 
+ad_ip_instance axi_iic axi_iic_eeprom
+
 # dma to receive data stream
 ad_ip_instance axi_dmac axi_adc_dma
 ad_ip_parameter axi_adc_dma CONFIG.DMA_TYPE_SRC 1
@@ -71,14 +75,18 @@ ad_connect spi_clk axi_adc_dma/s_axis_aclk
 ad_connect sys_cpu_resetn $hier_spi_engine/resetn
 ad_connect sys_cpu_resetn axi_adc_dma/m_dest_axi_aresetn
 
+ad_connect iic_eeprom axi_iic_eeprom/iic
+
 ad_cpu_interconnect 0x44a00000 $hier_spi_engine/${hier_spi_engine}_axi_regmap
 ad_cpu_interconnect 0x44a30000 axi_adc_dma
+ad_cpu_interconnect 0x44a40000 axi_iic_eeprom
 ad_cpu_interconnect 0x44a70000 spi_clkgen
 ad_cpu_interconnect 0x44b00000 adc_trigger_gen
 
 ad_cpu_interrupt "ps-14" "mb-14" intr_slice_0/Dout
 ad_cpu_interrupt "ps-13" "mb-13" axi_adc_dma/irq
 ad_cpu_interrupt "ps-12" "mb-12" /$hier_spi_engine/irq
+ad_cpu_interrupt "ps-11" "mb-11" axi_iic_eeprom/iic2intc_irpt
 
 ad_mem_hp1_interconnect $sys_cpu_clk sys_ps7/S_AXI_HP1
 ad_mem_hp1_interconnect $sys_cpu_clk axi_adc_dma/m_dest_axi
diff --git a/projects/ad4052_ardz/common/eval_ad4052_ardz.txt b/projects/ad4052_ardz/common/eval_ad4052_ardz.txt
@@ -1,11 +1,13 @@
-Header/Pin            Port               Schematic_name     System_top_name        IOSTANDARD  Termination
+Header/Pin            Schematic_name     Device.Pin         System_top_name        IOSTANDARD  Termination
 
 # eval_ad4052_ardz
 
-P3.6                  SCLK_ARD           SCLK               adc_spi_sclk           LVCMOS33    IOB TRUE
-P3.5                  MISO_ARD           SDO                adc_spi_sdi            LVCMOS33    IOB TRUE
-P3.4                  MOSI_ARD           SDI                adc_spi_sdo            LVCMOS33    IOB TRUE
-P3.3                  CSB_ARD            CSB                adc_spi_cs             LVCMOS33    IOB TRUE
-P4.7                  CNV_ARD            CNV                adc_spi_cnv            LVCMOS33    IOB TRUE
-P3.2                  D9_ARD             GP0                adc_spi_gpio0          LVCMOS33    #N/A
-P3.1                  D8_ARD             GP1                adc_spi_gpio1          LVCMOS33    #N/A
+P3.10                 SCL_ARD            EEPROM.SCL         iic_eeprom_scl         LVCMOS33    #N/A
+P3.9                  SDA_ARD            EEPROM.SDA         iic_eeprom_sda         LVCMOS33    #N/A
+P3.6                  SCLK_ARD           AD4052.SCLK        adc_spi_sclk           LVCMOS33    IOB TRUE
+P3.5                  MISO_ARD           AD4052.SDO         adc_spi_sdi            LVCMOS33    IOB TRUE
+P3.4                  MOSI_ARD           AD4052.SDI         adc_spi_sdo            LVCMOS33    IOB TRUE
+P3.3                  CSB_ARD            AD4052.CSB         adc_spi_cs             LVCMOS33    IOB TRUE
+P4.7                  CNV_ARD            AD4052.CNV         adc_spi_cnv            LVCMOS33    IOB TRUE
+P3.2                  D9_ARD             AD4052.GP0         adc_spi_gpio0          LVCMOS33    #N/A
+P3.1                  D8_ARD             AD4052.GP1         adc_spi_gpio1          LVCMOS33    #N/A
diff --git a/projects/ad4052_ardz/coraz7s/system_constr.xdc b/projects/ad4052_ardz/coraz7s/system_constr.xdc
@@ -4,13 +4,15 @@
 ###############################################################################
 
 # ADC SPI interface
-set_property -dict {PACKAGE_PIN G15 IOSTANDARD LVCMOS33 IOB TRUE} [get_ports adc_spi_sclk] ; ## Arduino_IO13
-set_property -dict {PACKAGE_PIN J18 IOSTANDARD LVCMOS33 IOB TRUE} [get_ports adc_spi_sdi]  ; ## Arduino_IO12
-set_property -dict {PACKAGE_PIN K18 IOSTANDARD LVCMOS33 IOB TRUE} [get_ports adc_spi_sdo]  ; ## Arduino_IO11
-set_property -dict {PACKAGE_PIN U15 IOSTANDARD LVCMOS33 IOB TRUE} [get_ports adc_spi_cs]   ; ## Arduino_IO10
-set_property -dict {PACKAGE_PIN R17 IOSTANDARD LVCMOS33}          [get_ports adc_cnv]      ; ## Arduino_IO06
-set_property -dict {PACKAGE_PIN M18 IOSTANDARD LVCMOS33}          [get_ports adc_gp0]      ; ## Arduino_IO09
-set_property -dict {PACKAGE_PIN N18 IOSTANDARD LVCMOS33}          [get_ports adc_gp1]      ; ## Arduino_IO08
+set_property -dict {PACKAGE_PIN P16 IOSTANDARD LVCMOS33}          [get_ports iic_eeprom_scl] ; ## Arduino_SCL
+set_property -dict {PACKAGE_PIN P15 IOSTANDARD LVCMOS33}          [get_ports iic_eeprom_sda] ; ## Arduino_SDA
+set_property -dict {PACKAGE_PIN G15 IOSTANDARD LVCMOS33 IOB TRUE} [get_ports adc_spi_sclk]   ; ## Arduino_IO13
+set_property -dict {PACKAGE_PIN J18 IOSTANDARD LVCMOS33 IOB TRUE} [get_ports adc_spi_sdi]    ; ## Arduino_IO12
+set_property -dict {PACKAGE_PIN K18 IOSTANDARD LVCMOS33 IOB TRUE} [get_ports adc_spi_sdo]    ; ## Arduino_IO11
+set_property -dict {PACKAGE_PIN U15 IOSTANDARD LVCMOS33 IOB TRUE} [get_ports adc_spi_cs]     ; ## Arduino_IO10
+set_property -dict {PACKAGE_PIN R17 IOSTANDARD LVCMOS33}          [get_ports adc_cnv]        ; ## Arduino_IO06
+set_property -dict {PACKAGE_PIN M18 IOSTANDARD LVCMOS33}          [get_ports adc_gp0]        ; ## Arduino_IO09
+set_property -dict {PACKAGE_PIN N18 IOSTANDARD LVCMOS33}          [get_ports adc_gp1]        ; ## Arduino_IO08
 
 # rename auto-generated clock for SPIEngine to spi_clk - 160MHz
 # NOTE: clk_fpga_0 is the first PL fabric clock, also called $sys_cpu_clk

diff --git a/projects/ad4052_ardz/coraz7s/system_top.v b/projects/ad4052_ardz/coraz7s/system_top.v
@@ -60,16 +60,19 @@ module system_top (
   inout           fixed_io_ps_porb,
   inout           fixed_io_ps_srstb,
 
+  inout   [ 1:0]  btn,
+  inout   [ 5:0]  led,
+
+  inout           iic_eeprom_scl,
+  inout           iic_eeprom_sda,
+
   output          adc_spi_sclk,
   input           adc_spi_sdi,
   output          adc_spi_sdo,
   output          adc_spi_cs,
   output          adc_cnv,
   inout           adc_gp0,
-  inout           adc_gp1,
-
-  inout   [ 1:0]  btn,
-  inout   [ 5:0]  led
+  inout           adc_gp1
 );
 
   // internal signals
@@ -155,6 +158,8 @@ module system_top (
     .spi1_sdi_i (1'b0),
     .spi1_sdo_i (1'b0),
     .spi1_sdo_o (),
+    .iic_eeprom_scl_io(iic_eeprom_scl),
+    .iic_eeprom_sda_io(iic_eeprom_sda),
     .adc_spi_sclk(adc_spi_sclk),
     .adc_spi_sdi(adc_spi_sdi),
     .adc_spi_sdo(adc_spi_sdo),

diff --git a/projects/ad4052_ardz/de10nano/system_project.tcl b/projects/ad4052_ardz/de10nano/system_project.tcl
@@ -12,6 +12,11 @@ adi_project ad4052_ardz_de10nano
 
 source $ad_hdl_dir/projects/common/de10nano/de10nano_system_assign.tcl
 
+# eeprom
+
+set_location_assignment PIN_AH9   -to i2c_sda     ; ## Arduino_SDA
+set_location_assignment PIN_AG11  -to i2c_scl     ; ## Arduino_SCL
+
 # ad4052 interface
 
 set_location_assignment PIN_AH12 -to adc_spi_sclk ; ## Arduino_IO13   
@@ -22,6 +27,10 @@ set_location_assignment PIN_AG8  -to adc_cnv      ; ## Arduino_IO06
 set_location_assignment PIN_AE15 -to adc_gp0      ; ## Arduino_IO09   
 set_location_assignment PIN_AF17 -to adc_gp1      ; ## Arduino_IO08   
 
+
+set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to i2c_scl
+set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to i2c_sda
+
 set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to adc_spi_sclk
 set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to adc_spi_sdi 
 set_instance_assignment -name IO_STANDARD "3.3-V LVTTL" -to adc_spi_sdo 

diff --git a/projects/ad4052_ardz/de10nano/system_top.v b/projects/ad4052_ardz/de10nano/system_top.v
@@ -114,6 +114,9 @@ module system_top (
   inout             hdmi_i2c_scl,
   inout             hdmi_i2c_sda,
 
+  inout         i2c_sda,
+  inout         i2c_scl,
+
   // ad4052
 
   output            adc_spi_sclk,
@@ -157,6 +160,18 @@ module system_top (
 
   // IO Buffers for I2C
 
+  ALT_IOBUF scl_iobuf (
+    .i(1'b0),
+    .oe(i2c1_scl_oe),
+    .o(i2c1_scl),
+    .io(i2c_scl));
+
+  ALT_IOBUF sda_iobuf (
+    .i(1'b0),
+    .oe(i2c1_sda_oe),
+    .o(i2c1_sda),
+    .io(i2c_sda));
+
   ALT_IOBUF scl_video_iobuf (
     .i(1'b0),
     .oe(i2c0_out_clk),