vexriscv_mem_mapped_example/ulx3s/ulx3s_v20_constraints.lpf

BLOCK RESETPATHS;
BLOCK ASYNCPATHS;
## ULX3S v2.x.x and v3.0.x

# The clock "usb" and "gpdi" sheet
LOCATE COMP "io_mainClock" SITE "G2";
IOBUF  PORT "io_mainClock" PULLMODE=NONE IO_TYPE=LVCMOS33;
FREQUENCY PORT "io_mainClock" 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 "io_uart_txd" SITE "L4"; # FPGA transmits to ftdi
LOCATE COMP "io_uart_rxd" 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 "io_uart_txd" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
IOBUF  PORT "io_uart_rxd" 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 "io_asyncReset"  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 "io_asyncReset"  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 "io_jtag_tms" SITE "C18"; # J2_23+ GP21
LOCATE COMP "gn[21]" SITE "D17"; # J2_23- GN21
LOCATE COMP "io_jtag_tdi" SITE "B15"; # J2_25+ GP22 D15->B15
LOCATE COMP "gn[22]" SITE "C15"; # J2_25- GN22 E15->C15
LOCATE COMP "io_jtag_tdo" SITE "B17"; # J2_27+ GP23
LOCATE COMP "gn[23]" SITE "C17"; # J2_27- GN23
LOCATE COMP "io_jtag_tck" 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  "io_jtag_tms" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
IOBUF PORT  "gn[21]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
IOBUF PORT  "io_jtag_tdi" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
IOBUF PORT  "gn[22]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
IOBUF PORT  "io_jtag_tdo" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
IOBUF PORT  "gn[23]" PULLMODE=UP IO_TYPE=LVCMOS33 DRIVE=4;
IOBUF PORT  "io_jtag_tck" 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;