juanmard/icestudio

# -----------------------------------------------------------------------------
#- Go board constraint file (.pcf)
#- By Juan Gonzalez (Obijuan)
#- April - 2016
#- GPL license
#- Data obtained from the go-board official constraint file:
#-   https://www.nandland.com/goboard/Go_Board_Constraints.pcf
#- Board info: https://www.nandland.com/goboard/introduction.html
#- Pinout: https://www.nandland.com/goboard/images/Go_Board_V1.pdf
# -----------------------------------------------------------------------------


# ------------ LEDs -----------------------------------------------------------
set_io --warn-no-port LED1 56
set_io --warn-no-port LED2 57
set_io --warn-no-port LED3 59
set_io --warn-no-port LED4 60


# ------------ Buttons --------------------------------------------------------
set_io --warn-no-port SW1 53
set_io --warn-no-port SW2 51
set_io --warn-no-port SW3 54
set_io --warn-no-port SW4 52


# ------------ 7 segments -----------------------------------------------------
set_io --warn-no-port S1_A  3
set_io --warn-no-port S1_B  4
set_io --warn-no-port S1_C 93
set_io --warn-no-port S1_D 91
set_io --warn-no-port S1_E 90
set_io --warn-no-port S1_F  1
set_io --warn-no-port S1_G  2

set_io --warn-no-port S2_A 100
set_io --warn-no-port S2_B  99
set_io --warn-no-port S2_C  97
set_io --warn-no-port S2_D  95
set_io --warn-no-port S2_E  94
set_io --warn-no-port S2_F   8
set_io --warn-no-port S2_G  96


# ------------ System 12 MHz clock --------------------------------------------
set_io --warn-no-port CLK 15


# ------------ UART -----------------------------------------------------------
set_io --warn-no-port RX 73
set_io --warn-no-port TX 74


# ------------ VGA ------------------------------------------------------------
set_io --warn-no-port VGA_HS 26
set_io --warn-no-port VGA_VS 27
set_io --warn-no-port VGA_R0 36
set_io --warn-no-port VGA_R1 37
set_io --warn-no-port VGA_R2 40
set_io --warn-no-port VGA_G0 29
set_io --warn-no-port VGA_G1 30
set_io --warn-no-port VGA_G2 33
set_io --warn-no-port VGA_B0 28
set_io --warn-no-port VGA_B1 41
set_io --warn-no-port VGA_B2 42


# ------------ PMOD connector -------------------------------------------------
#
#   Pmod standar numeration
#
#       ------
#    > | 1  7 |
#      | 2  8 |
#      | 3  9 |
#      | 4 10 |
#      | 5 11 |
#      | 6 12 |
#       ------
#
#   FPGA pins:
#
#      ---------
#   > |  65 78  |
#     |  64 79  |
#     |  63 80  |
#     |  62 81  |
#     | GND GND |
#     | 3V3 3V3 |
#      ---------

set_io --warn-no-port PMOD1  65
set_io --warn-no-port PMOD2  64
set_io --warn-no-port PMOD3  63
set_io --warn-no-port PMOD4  62
set_io --warn-no-port PMOD7  78
set_io --warn-no-port PMOD8  79
set_io --warn-no-port PMOD9  80
set_io --warn-no-port PMOD10 81