diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..621f055 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +saturn_core.json diff --git a/compile b/compile index 8a456b4..9345012 100755 --- a/compile +++ b/compile @@ -2,4 +2,4 @@ #yosys -p "synth_ecp5 -top mask_gen -json mask_gen.json" mask_gen.v #nextpnr-ecp5 --gui --um-85k --speed 6 --freq 5 --json mask_gen.json --save mask_gen.ecp5 yosys -p "synth_ecp5 -top saturn_core -json saturn_core.json" saturn_core.v -nextpnr-ecp5 --gui --um-85k --speed 6 --freq 5 --json saturn_core.json --save saturn_core.ecp5 +nextpnr-ecp5 --gui --um-85k --speed 6 --freq 5 --lpf ulx3s_v20.lpf --json saturn_core.json --save saturn_core.ecp5 diff --git a/saturn_core.json b/saturn_core.json index 006a3d8..3ebf10f 100644 --- a/saturn_core.json +++ b/saturn_core.json @@ -14312,7 +14312,7 @@ "src": "saturn_core.v:39" }, "ports": { - "clk": { + "clk_25mhz": { "direction": "input", "bits": [ 2 ] }, @@ -14336,47 +14336,39 @@ "cells": { }, "netnames": { - "calc_rom.clk": { + "clk_25mhz": { "hide_name": 0, "bits": [ 2 ], "attributes": { - "src": "saturn_core.v:141|saturn_core.v:10", - "unused_bits": "0" - } - }, - "clk": { - "hide_name": 0, - "bits": [ 2 ], - "attributes": { - "src": "saturn_core.v:40" + "src": "saturn_core.v:43" } }, "decstate": { "hide_name": 0, "bits": [ "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0" ], "attributes": { - "src": "saturn_core.v:44" + "src": "saturn_core.v:48" } }, "halt": { "hide_name": 0, "bits": [ "0" ], "attributes": { - "src": "saturn_core.v:42" + "src": "saturn_core.v:46" } }, "reset": { "hide_name": 0, "bits": [ 3 ], "attributes": { - "src": "saturn_core.v:41" + "src": "saturn_core.v:45" } }, "runstate": { "hide_name": 0, "bits": [ "1", "1", "1", "1" ], "attributes": { - "src": "saturn_core.v:43" + "src": "saturn_core.v:47" } } } diff --git a/saturn_core.v b/saturn_core.v index 6c69f35..7a631d9 100644 --- a/saturn_core.v +++ b/saturn_core.v @@ -15,6 +15,7 @@ module hp_rom ( localparam ROM_FILENAME = "rom-gx-r.hex"; reg [3:0] rom [0:(2**20)-1]; + //reg[3:0] rom [0:(2**16)-1]; initial @@ -37,7 +38,11 @@ endmodule */ module saturn_core ( +`ifdef SIM input clk, +`else + input clk_25mhz, +`endif input reset, output halt, output [3:0] runstate, diff --git a/ulx3s_v20.lpf b/ulx3s_v20.lpf new file mode 100644 index 0000000..2513460 --- /dev/null +++ b/ulx3s_v20.lpf @@ -0,0 +1,452 @@ +BLOCK RESETPATHS; +BLOCK ASYNCPATHS; +## ULX3S v2.x.x and v3.0.x + +# The clock "usb" and "gpdi" sheet +LOCATE COMP "clk_25mhz" SITE "G2"; +IOBUF PORT "clk_25mhz" PULLMODE=NONE IO_TYPE=LVCMOS33; +FREQUENCY PORT "clk_25mhz" 25 MHZ; + +# JTAG and SPI FLASH voltage 3.3V and options to boot from SPI flash +# write to FLASH possible any time from JTAG: +SYSCONFIG CONFIG_IOVOLTAGE=3.3 COMPRESS_CONFIG=ON MCCLK_FREQ=62 MASTER_SPI_PORT=ENABLE SLAVE_SPI_PORT=DISABLE SLAVE_PARALLEL_PORT=DISABLE; +# write to FLASH possible from user bitstream: +# SYSCONFIG CONFIG_IOVOLTAGE=3.3 COMPRESS_CONFIG=ON MCCLK_FREQ=62 MASTER_SPI_PORT=DISABLE SLAVE_SPI_PORT=DISABLE SLAVE_PARALLEL_PORT=DISABLE; + +## USBSERIAL FTDI-FPGA serial port "usb" sheet +LOCATE COMP "ftdi_rxd" SITE "L4"; # FPGA transmits to ftdi +LOCATE COMP "ftdi_txd" SITE "M1"; # FPGA receives from ftdi +LOCATE COMP "ftdi_nrts" SITE "M3"; # FPGA receives +LOCATE COMP "ftdi_ndtr" SITE "N1"; # FPGA receives +LOCATE COMP "ftdi_txden" SITE "L3"; # FPGA receives +IOBUF PORT "ftdi_rxd" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "ftdi_txd" PULLMODE=UP IO_TYPE=LVCMOS33; +IOBUF PORT "ftdi_nrts" PULLMODE=UP IO_TYPE=LVCMOS33; +IOBUF PORT "ftdi_ndtr" PULLMODE=UP IO_TYPE=LVCMOS33; +IOBUF PORT "ftdi_txden" PULLMODE=UP IO_TYPE=LVCMOS33; + +## LED indicators "blinkey" and "gpio" sheet +LOCATE COMP "led[7]" SITE "H3"; +LOCATE COMP "led[6]" SITE "E1"; +LOCATE COMP "led[5]" SITE "E2"; +LOCATE COMP "led[4]" SITE "D1"; +LOCATE COMP "led[3]" SITE "D2"; +LOCATE COMP "led[2]" SITE "C1"; +LOCATE COMP "led[1]" SITE "C2"; +LOCATE COMP "led[0]" SITE "B2"; +IOBUF PORT "led[0]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "led[1]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "led[2]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "led[3]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "led[4]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "led[5]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "led[6]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "led[7]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; + +## Pushbuttons "blinkey", "flash", "power", "gpdi" sheet +LOCATE COMP "btn[0]" SITE "D6"; # BTN_PWRn (inverted logic) +LOCATE COMP "btn[1]" SITE "R1"; # FIRE1 +LOCATE COMP "btn[2]" SITE "T1"; # FIRE2 +LOCATE COMP "btn[3]" SITE "R18"; # UP W1->R18 +LOCATE COMP "btn[4]" SITE "V1"; # DOWN +LOCATE COMP "btn[5]" SITE "U1"; # LEFT +LOCATE COMP "btn[6]" SITE "H16"; # RIGHT Y2->H16 +IOBUF PORT "btn[0]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "btn[1]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "btn[2]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "btn[3]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "btn[4]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "btn[5]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "btn[6]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; + +## DIP switch "blinkey", "gpio" sheet +LOCATE COMP "sw[0]" SITE "E8"; # SW1 +LOCATE COMP "sw[1]" SITE "D8"; # SW2 +LOCATE COMP "sw[2]" SITE "D7"; # SW3 +LOCATE COMP "sw[3]" SITE "E7"; # SW4 +IOBUF PORT "sw[0]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sw[1]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sw[2]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sw[3]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; + +## SPI OLED DISPLAY SSD1331 (Color) or SSD1306 (B/W) "blinkey", "usb" sheet +LOCATE COMP "oled_clk" SITE "P4"; +LOCATE COMP "oled_mosi" SITE "P3"; +LOCATE COMP "oled_dc" SITE "P1"; +LOCATE COMP "oled_resn" SITE "P2"; +LOCATE COMP "oled_csn" SITE "N2"; +IOBUF PORT "oled_clk" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "oled_mosi" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "oled_dc" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "oled_resn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "oled_csn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; + +## SPI Flash chip "flash" sheet +LOCATE COMP "flash_csn" SITE "R2"; +LOCATE COMP "flash_clk" SITE "U3"; +LOCATE COMP "flash_mosi" SITE "W2"; +LOCATE COMP "flash_miso" SITE "V2"; +LOCATE COMP "flash_holdn" SITE "W1"; +LOCATE COMP "flash_wpn" SITE "Y2"; +#LOCATE COMP "flash_csspin" SITE "AJ3"; +#LOCATE COMP "flash_initn" SITE "AG4"; +#LOCATE COMP "flash_done" SITE "AJ4"; +#LOCATE COMP "flash_programn" SITE "AH4"; +#LOCATE COMP "flash_cfg_select[0]" SITE "AM4"; +#LOCATE COMP "flash_cfg_select[1]" SITE "AL4"; +#LOCATE COMP "flash_cfg_select[2]" SITE "AK4"; +IOBUF PORT "flash_csn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "flash_clk" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "flash_mosi" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "flash_miso" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "flash_holdn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "flash_wpn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "flash_csspin" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "flash_initn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "flash_done" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "flash_programn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "flash_cfg_select[0]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "flash_cfg_select[1]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "flash_cfg_select[2]" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4; + +## SD card "sdcard", "usb" sheet +LOCATE COMP "sd_clk" SITE "H2"; # sd_clk WiFi_GPIO14 +LOCATE COMP "sd_cmd" SITE "J1"; # sd_cmd_di (MOSI) WiFi GPIO15 +LOCATE COMP "sd_d[0]" SITE "J3"; # sd_dat0_do (MISO) WiFi GPIO2 +LOCATE COMP "sd_d[1]" SITE "H1"; # sd_dat1_irq WiFi GPIO4 +LOCATE COMP "sd_d[2]" SITE "K1"; # sd_dat2 WiFi_GPIO12 +LOCATE COMP "sd_d[3]" SITE "K2"; # sd_dat3_csn WiFi_GPIO13 +LOCATE COMP "sd_wp" SITE "P5"; # not connected +LOCATE COMP "sd_cdn" SITE "N5"; # not connected +IOBUF PORT "sd_clk" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sd_cmd" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sd_d[0]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sd_d[1]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sd_d[2]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; # WiFi GPIO12 pulldown bootstrapping requirement +IOBUF PORT "sd_d[3]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sd_wp" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sd_cdn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; + +## ADC SPI (MAX11123) "analog", "ram" sheet +LOCATE COMP "adc_csn" SITE "R17"; +LOCATE COMP "adc_mosi" SITE "R16"; +LOCATE COMP "adc_miso" SITE "U16"; +LOCATE COMP "adc_sclk" SITE "P17"; +IOBUF PORT "adc_csn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "adc_mosi" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "adc_miso" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "adc_sclk" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; + +## Audio 4-bit DAC "analog", "gpio" sheet +# Output impedance 75 ohm. +# Strong enough to drive 16 ohm earphones. +LOCATE COMP "audio_l[3]" SITE "B3"; # JACK TIP (left audio) +LOCATE COMP "audio_l[2]" SITE "C3"; +LOCATE COMP "audio_l[1]" SITE "D3"; +LOCATE COMP "audio_l[0]" SITE "E4"; +LOCATE COMP "audio_r[3]" SITE "C5"; # JACK RING1 (right audio) +LOCATE COMP "audio_r[2]" SITE "D5"; +LOCATE COMP "audio_r[1]" SITE "B5"; +LOCATE COMP "audio_r[0]" SITE "A3"; +LOCATE COMP "audio_v[3]" SITE "E5"; # JACK RING2 (video or digital audio) +LOCATE COMP "audio_v[2]" SITE "F5"; +LOCATE COMP "audio_v[1]" SITE "F2"; +LOCATE COMP "audio_v[0]" SITE "H5"; +IOBUF PORT "audio_l[3]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_l[2]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_l[1]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_l[0]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_r[3]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_r[2]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_r[1]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_r[0]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_v[3]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_v[2]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_v[1]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "audio_v[0]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; + +## WiFi ESP-32 "wifi", "usb", "flash" sheet +# other pins are shared with GP/GN, SD card and JTAG +LOCATE COMP "wifi_en" SITE "F1"; # enable/reset WiFi +LOCATE COMP "wifi_rxd" SITE "K3"; # FPGA transmits to WiFi +LOCATE COMP "wifi_txd" SITE "K4"; # FPGA receives from WiFi +LOCATE COMP "wifi_gpio0" SITE "L2"; +LOCATE COMP "wifi_gpio5" SITE "N4"; # WIFI LED +LOCATE COMP "wifi_gpio16" SITE "L1"; # Serial1 RX +LOCATE COMP "wifi_gpio17" SITE "N3"; # Serial1 TX +# LOCATE COMP "prog_done" SITE "Y3"; # not GPIO, always active +IOBUF PORT "wifi_en" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "wifi_rxd" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "wifi_txd" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "wifi_gpio0" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "wifi_gpio16" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "wifi_gpio17" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +# IOBUF PORT "prog_done" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; + +## PCB antenna 433 MHz (may be also used for FM) "usb" sheet +LOCATE COMP "ant_433mhz" SITE "G1"; +IOBUF PORT "ant_433mhz" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; + +## Second USB port "US2" going directly into FPGA "usb", "ram" sheet +LOCATE COMP "usb_fpga_dp" SITE "E16"; # single ended or differential input only +LOCATE COMP "usb_fpga_dn" SITE "F16"; +IOBUF PORT "usb_fpga_dp" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "usb_fpga_dn" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +LOCATE COMP "usb_fpga_bd_dp" SITE "D15"; # differential bidirectional +LOCATE COMP "usb_fpga_bd_dn" SITE "E15"; +IOBUF PORT "usb_fpga_bd_dp" PULLMODE=NONE IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "usb_fpga_bd_dn" PULLMODE=NONE IO_TYPE=LVCMOS33D DRIVE=4; +LOCATE COMP "usb_fpga_pu_dp" SITE "B12"; # pull up/down control +LOCATE COMP "usb_fpga_pu_dn" SITE "C12"; +IOBUF PORT "usb_fpga_pu_dp" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; +IOBUF PORT "usb_fpga_pu_dn" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=16; + +## JTAG ESP-32 "usb" sheet +# connected to FT231X and ESP-32 +# commented out because those are dedicated pins, not directly useable as GPIO +# but could be used by some vendor-specific JTAG bridging (boundary scan) module +#LOCATE COMP "jtag_tdi" SITE "R5"; # FTDI_nRI FPGA receives +#LOCATE COMP "jtag_tdo" SITE "V4"; # FTDI_nCTS FPGA transmits +#LOCATE COMP "jtag_tck" SITE "T5"; # FTDI_nDSR FPGA receives +#LOCATE COMP "jtag_tms" SITE "U5"; # FTDI_nDCD FPGA receives +#IOBUF PORT "jtag_tdi" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "jtag_tdo" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "jtag_tck" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +#IOBUF PORT "jtag_tms" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; + +## SDRAM "ram" sheet +LOCATE COMP "sdram_clk" SITE "F19"; +LOCATE COMP "sdram_cke" SITE "F20"; +LOCATE COMP "sdram_csn" SITE "P20"; +LOCATE COMP "sdram_wen" SITE "T20"; +LOCATE COMP "sdram_rasn" SITE "R20"; +LOCATE COMP "sdram_casn" SITE "T19"; +LOCATE COMP "sdram_a[0]" SITE "M20"; +LOCATE COMP "sdram_a[1]" SITE "M19"; +LOCATE COMP "sdram_a[2]" SITE "L20"; +LOCATE COMP "sdram_a[3]" SITE "L19"; +LOCATE COMP "sdram_a[4]" SITE "K20"; +LOCATE COMP "sdram_a[5]" SITE "K19"; +LOCATE COMP "sdram_a[6]" SITE "K18"; +LOCATE COMP "sdram_a[7]" SITE "J20"; +LOCATE COMP "sdram_a[8]" SITE "J19"; +LOCATE COMP "sdram_a[9]" SITE "H20"; +LOCATE COMP "sdram_a[10]" SITE "N19"; +LOCATE COMP "sdram_a[11]" SITE "G20"; +LOCATE COMP "sdram_a[12]" SITE "G19"; +LOCATE COMP "sdram_ba[0]" SITE "P19"; +LOCATE COMP "sdram_ba[1]" SITE "N20"; +LOCATE COMP "sdram_dqm[0]" SITE "U19"; +LOCATE COMP "sdram_dqm[1]" SITE "E20"; +LOCATE COMP "sdram_d[0]" SITE "J16"; +LOCATE COMP "sdram_d[1]" SITE "L18"; +LOCATE COMP "sdram_d[2]" SITE "M18"; +LOCATE COMP "sdram_d[3]" SITE "N18"; +LOCATE COMP "sdram_d[4]" SITE "P18"; +LOCATE COMP "sdram_d[5]" SITE "T18"; +LOCATE COMP "sdram_d[6]" SITE "T17"; +LOCATE COMP "sdram_d[7]" SITE "U20"; +LOCATE COMP "sdram_d[8]" SITE "E19"; +LOCATE COMP "sdram_d[9]" SITE "D20"; +LOCATE COMP "sdram_d[10]" SITE "D19"; +LOCATE COMP "sdram_d[11]" SITE "C20"; +LOCATE COMP "sdram_d[12]" SITE "E18"; +LOCATE COMP "sdram_d[13]" SITE "F18"; +LOCATE COMP "sdram_d[14]" SITE "J18"; +LOCATE COMP "sdram_d[15]" SITE "J17"; +IOBUF PORT "sdram_clk" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_cke" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_csn" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_wen" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_rasn" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_casn" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[0]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[1]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[2]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[3]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[4]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[5]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[6]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[7]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[8]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[9]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[10]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[11]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_a[12]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_ba[0]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_ba[1]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_dqm[0]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_dqm[1]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[0]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[1]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[2]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[3]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[4]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[5]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[6]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[7]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[8]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[9]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[10]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[11]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[12]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[13]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[14]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "sdram_d[15]" PULLMODE=NONE IO_TYPE=LVCMOS33 DRIVE=4; + +# GPDI differential interface (Video) "gpdi" sheet +LOCATE COMP "gpdi_dp[0]" SITE "A16"; # Blue + +LOCATE COMP "gpdi_dn[0]" SITE "B16"; # Blue - +LOCATE COMP "gpdi_dp[1]" SITE "A14"; # Green + +LOCATE COMP "gpdi_dn[1]" SITE "C14"; # Green - +LOCATE COMP "gpdi_dp[2]" SITE "A12"; # Red + +LOCATE COMP "gpdi_dn[2]" SITE "A13"; # Red - +LOCATE COMP "gpdi_dp[3]" SITE "A17"; # Clock + +LOCATE COMP "gpdi_dn[3]" SITE "B18"; # Clock - +LOCATE COMP "gpdi_ethp" SITE "A19"; # Ethernet + +LOCATE COMP "gpdi_ethn" SITE "B20"; # Ethernet - +LOCATE COMP "gpdi_cec" SITE "A18"; +LOCATE COMP "gpdi_sda" SITE "B19"; # I2C shared with RTC +LOCATE COMP "gpdi_scl" SITE "E12"; # I2C shared with RTC C12->E12 +IOBUF PORT "gpdi_dp[0]" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_dn[0]" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_dp[1]" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_dn[1]" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_dp[2]" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_dn[2]" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_dp[3]" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_dn[3]" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_ethp" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_ethn" IO_TYPE=LVCMOS33D DRIVE=4; +IOBUF PORT "gpdi_cec" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gpdi_sda" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gpdi_scl" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; + +# GPIO (default single-ended) "gpio", "ram", "gpdi" sheet +# Pins enumerated gp[0-27], gn[0-27]. +# With differential mode enabled on Lattice, +# gp[] (+) are used, gn[] (-) are ignored from design +# as they handle inverted signal by default. +# To enable differential, rename LVCMOS33->LVCMOS33D +LOCATE COMP "gp[0]" SITE "B11"; # J1_5+ GP0 +LOCATE COMP "gn[0]" SITE "C11"; # J1_5- GN0 +LOCATE COMP "gp[1]" SITE "A10"; # J1_7+ GP1 +LOCATE COMP "gn[1]" SITE "A11"; # J1_7- GN1 +LOCATE COMP "gp[2]" SITE "A9"; # J1_9+ GP2 +LOCATE COMP "gn[2]" SITE "B10"; # J1_9- GN2 +LOCATE COMP "gp[3]" SITE "B9"; # J1_11+ GP3 +LOCATE COMP "gn[3]" SITE "C10"; # J1_11- GN3 +LOCATE COMP "gp[4]" SITE "A7"; # J1_13+ GP4 +LOCATE COMP "gn[4]" SITE "A8"; # J1_13- GN4 +LOCATE COMP "gp[5]" SITE "C8"; # J1_15+ GP5 +LOCATE COMP "gn[5]" SITE "B8"; # J1_15- GN5 +LOCATE COMP "gp[6]" SITE "C6"; # J1_17+ GP6 +LOCATE COMP "gn[6]" SITE "C7"; # J1_17- GN6 +IOBUF PORT "gp[0]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[0]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[1]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[1]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[2]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[2]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[3]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[3]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[4]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[4]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[5]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[5]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[6]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[6]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +LOCATE COMP "gp[7]" SITE "A6"; # J1_23+ GP7 +LOCATE COMP "gn[7]" SITE "B6"; # J1_23- GN7 +LOCATE COMP "gp[8]" SITE "A4"; # J1_25+ GP8 +LOCATE COMP "gn[8]" SITE "A5"; # J1_25- GN8 +LOCATE COMP "gp[9]" SITE "A2"; # J1_27+ GP9 +LOCATE COMP "gn[9]" SITE "B1"; # J1_27- GN9 +LOCATE COMP "gp[10]" SITE "C4"; # J1_29+ GP10 WIFI_GPIO27 +LOCATE COMP "gn[10]" SITE "B4"; # J1_29- GN10 +LOCATE COMP "gp[11]" SITE "F4"; # J1_31+ GP11 WIFI_GPIO25 +LOCATE COMP "gn[11]" SITE "E3"; # J1_31- GN11 WIFI_GPIO26 +LOCATE COMP "gp[12]" SITE "G3"; # J1_33+ GP12 WIFI_GPIO32 +LOCATE COMP "gn[12]" SITE "F3"; # J1_33- GN12 WIFI_GPIO33 +LOCATE COMP "gp[13]" SITE "H4"; # J1_35+ GP13 WIFI_GPIO34 +LOCATE COMP "gn[13]" SITE "G5"; # J1_35- GN13 WIFI_GPIO35 +IOBUF PORT "gp[7]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[7]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[8]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[8]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[9]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[9]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[10]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[10]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[11]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[11]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[12]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[12]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[13]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[13]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +LOCATE COMP "gp[14]" SITE "U18"; # J2_5+ GP14 +LOCATE COMP "gn[14]" SITE "U17"; # J2_5- GN14 +LOCATE COMP "gp[15]" SITE "N17"; # J2_7+ GP15 +LOCATE COMP "gn[15]" SITE "P16"; # J2_7- GN15 +LOCATE COMP "gp[16]" SITE "N16"; # J2_9+ GP16 +LOCATE COMP "gn[16]" SITE "M17"; # J2_9- GN16 +LOCATE COMP "gp[17]" SITE "L16"; # J2_11+ GP17 +LOCATE COMP "gn[17]" SITE "L17"; # J2_11- GN17 +LOCATE COMP "gp[18]" SITE "H18"; # J2_13+ GP18 +LOCATE COMP "gn[18]" SITE "H17"; # J2_13- GN18 +LOCATE COMP "gp[19]" SITE "F17"; # J2_15+ GP19 +LOCATE COMP "gn[19]" SITE "G18"; # J2_15- GN19 +LOCATE COMP "gp[20]" SITE "D18"; # J2_17+ GP20 +LOCATE COMP "gn[20]" SITE "E17"; # J2_17- GN20 +IOBUF PORT "gp[14]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[14]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[15]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[15]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[16]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[16]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[17]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[17]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[18]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[18]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[19]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[19]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[20]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[20]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +LOCATE COMP "gp[21]" SITE "C18"; # J2_23+ GP21 +LOCATE COMP "gn[21]" SITE "D17"; # J2_23- GN21 +LOCATE COMP "gp[22]" SITE "B15"; # J2_25+ GP22 D15->B15 +LOCATE COMP "gn[22]" SITE "C15"; # J2_25- GN22 E15->C15 +LOCATE COMP "gp[23]" SITE "B17"; # J2_27+ GP23 +LOCATE COMP "gn[23]" SITE "C17"; # J2_27- GN23 +LOCATE COMP "gp[24]" SITE "C16"; # J2_29+ GP24 +LOCATE COMP "gn[24]" SITE "D16"; # J2_29- GN24 +LOCATE COMP "gp[25]" SITE "D14"; # J2_31+ GP25 B15->D14 +LOCATE COMP "gn[25]" SITE "E14"; # J2_31- GN25 C15->E14 +LOCATE COMP "gp[26]" SITE "B13"; # J2_33+ GP26 +LOCATE COMP "gn[26]" SITE "C13"; # J2_33- GN26 +LOCATE COMP "gp[27]" SITE "D13"; # J2_35+ GP27 +LOCATE COMP "gn[27]" SITE "E13"; # J2_35- GN27 +IOBUF PORT "gp[21]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[21]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[22]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[22]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[23]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[23]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[24]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[24]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[25]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[25]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[26]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[26]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gp[27]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; +IOBUF PORT "gn[27]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; + +## PROGRAMN (reload bitstream from FLASH, exit from bootloader) +# PCB v2.0.5 and higher +LOCATE COMP "user_programn" SITE "M4"; +IOBUF PORT "user_programn" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4; + +## SHUTDOWN "power", "ram" sheet (connected from PCB v1.7.5) +# on PCB v1.7 shutdown is not connected to FPGA +LOCATE COMP "shutdown" SITE "G16"; # FPGA receives +IOBUF PORT "shutdown" PULLMODE=DOWN IO_TYPE=LVCMOS33 DRIVE=4;