LOCATE COMP "ext_clk" SITE "K23";
IOBUF PORT "ext_clk" IO_TYPE=LVCMOS33;

LOCATE COMP "ext_rst_n" SITE "N5";
LOCATE COMP "gsrn" SITE "AB1";
IOBUF PORT "ext_rst_n" IO_TYPE=LVCMOS33;
IOBUF PORT "gsrn" IO_TYPE=LVCMOS33;

LOCATE COMP "uart0_txd" SITE "R24";
LOCATE COMP "uart0_rxd" SITE "R26";

IOBUF PORT "uart0_txd" IO_TYPE=LVCMOS33;
IOBUF PORT "uart0_rxd" IO_TYPE=LVCMOS33;

LOCATE COMP "led5_r_n" SITE "T23";
LOCATE COMP "led5_g_n" SITE "R21";
LOCATE COMP "led5_b_n" SITE "T22";

IOBUF PORT "led5_r_n" IO_TYPE=LVCMOS33;
IOBUF PORT "led5_g_n" IO_TYPE=LVCMOS33;
IOBUF PORT "led5_b_n" IO_TYPE=LVCMOS33;

LOCATE COMP "led6_r_n" SITE "U21";
LOCATE COMP "led6_g_n" SITE "W21";
LOCATE COMP "led6_b_n" SITE "T24";

IOBUF PORT "led6_r_n" IO_TYPE=LVCMOS33;
IOBUF PORT "led6_g_n" IO_TYPE=LVCMOS33;
IOBUF PORT "led6_b_n" IO_TYPE=LVCMOS33;

LOCATE COMP "led7_r_n" SITE "K21";
LOCATE COMP "led7_g_n" SITE "K24";
LOCATE COMP "led7_b_n" SITE "M21";

IOBUF PORT "led7_r_n" IO_TYPE=LVCMOS33;
IOBUF PORT "led7_g_n" IO_TYPE=LVCMOS33;
IOBUF PORT "led7_b_n" IO_TYPE=LVCMOS33;

LOCATE COMP "led8_r_n" SITE "P21";
LOCATE COMP "led8_g_n" SITE "R23";
LOCATE COMP "led8_b_n" SITE "P22";

IOBUF PORT "led8_r_n" IO_TYPE=LVCMOS33;
IOBUF PORT "led8_g_n" IO_TYPE=LVCMOS33;
IOBUF PORT "led8_b_n" IO_TYPE=LVCMOS33;

// We use USRMCLK instead for clk
// LOCATE COMP "spi_flash_clk" SITE "U16";
// IOBUF PORT "spi_flash_clk" IO_TYPE=LVCMOS33;
LOCATE COMP "spi_flash_cs_n" SITE "AA2";
IOBUF PORT "spi_flash_cs_n" IO_TYPE=LVCMOS33;
LOCATE COMP "spi_flash_mosi" SITE "AE2";
IOBUF PORT "spi_flash_mosi" IO_TYPE=LVCMOS33;
LOCATE COMP "spi_flash_miso" SITE "AD2";
IOBUF PORT "spi_flash_miso" IO_TYPE=LVCMOS33;
LOCATE COMP "spi_flash_wp_n" SITE "AF2";
IOBUF PORT "spi_flash_wp_n" IO_TYPE=LVCMOS33;
LOCATE COMP "spi_flash_hold_n" SITE "AE1";
IOBUF PORT "spi_flash_hold_n" IO_TYPE=LVCMOS33;

// DDR3 SDRAM
LOCATE COMP "ddram_a[0]"  SITE "T5";
LOCATE COMP "ddram_a[1]"  SITE "M3";
LOCATE COMP "ddram_a[2]"  SITE "L3";
LOCATE COMP "ddram_a[3]"  SITE "V6";
LOCATE COMP "ddram_a[4]"  SITE "K2";
LOCATE COMP "ddram_a[5]"  SITE "W6";
LOCATE COMP "ddram_a[6]"  SITE "K3";
LOCATE COMP "ddram_a[7]"  SITE "L1";
LOCATE COMP "ddram_a[8]"  SITE "H2";
LOCATE COMP "ddram_a[9]"  SITE "L2";
LOCATE COMP "ddram_a[10]" SITE "N1";
LOCATE COMP "ddram_a[11]" SITE "J1";
LOCATE COMP "ddram_a[12]" SITE "M1";
LOCATE COMP "ddram_a[13]" SITE "K1";
LOCATE COMP "ddram_a[14]" SITE "H1";
IOBUF PORT "ddram_a[0]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[1]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[2]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[3]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[4]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[5]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[6]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[7]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[8]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[9]"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[10]" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[11]" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[12]" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[13]" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_a[14]" IO_TYPE=SSTL15_I SLEWRATE=FAST;

LOCATE COMP "ddram_ba[0]" SITE "U6";
LOCATE COMP "ddram_ba[1]" SITE "N3";
LOCATE COMP "ddram_ba[2]" SITE "N4";
LOCATE COMP "ddram_ras_n" SITE "T3";
LOCATE COMP "ddram_cas_n" SITE "P2";
LOCATE COMP "ddram_we_n"  SITE "R3";
LOCATE COMP "ddram_dm[0]" SITE "U4";
LOCATE COMP "ddram_dm[1]" SITE "U1";
IOBUF PORT "ddram_ba[0]" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_ba[1]" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_ba[2]" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_ras_n" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_cas_n" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_we_n"  IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_dm[0]" IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_dm[1]" IO_TYPE=SSTL15_I SLEWRATE=FAST;

LOCATE COMP "ddram_dq[0]"  SITE "T4";
LOCATE COMP "ddram_dq[1]"  SITE "W4";
LOCATE COMP "ddram_dq[2]"  SITE "R4";
LOCATE COMP "ddram_dq[3]"  SITE "W5";
LOCATE COMP "ddram_dq[4]"  SITE "R6";
LOCATE COMP "ddram_dq[5]"  SITE "P6";
LOCATE COMP "ddram_dq[6]"  SITE "P5";
LOCATE COMP "ddram_dq[7]"  SITE "P4";
LOCATE COMP "ddram_dq[8]"  SITE "R1";
LOCATE COMP "ddram_dq[9]"  SITE "W3";
LOCATE COMP "ddram_dq[10]" SITE "T2";
LOCATE COMP "ddram_dq[11]" SITE "V3";
LOCATE COMP "ddram_dq[12]" SITE "U3";
LOCATE COMP "ddram_dq[13]" SITE "W1";
LOCATE COMP "ddram_dq[14]" SITE "T1";
LOCATE COMP "ddram_dq[15]" SITE "W2";
IOBUF PORT "ddram_dq[0]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[1]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[2]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[3]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[4]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[5]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[6]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[7]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[8]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[9]"  IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[10]" IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[11]" IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[12]" IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[13]" IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[14]" IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;
IOBUF PORT "ddram_dq[15]" IO_TYPE=SSTL15_I SLEWRATE=FAST TERMINATION=75;

LOCATE COMP "ddram_dqs_n[0]" SITE "U5";
LOCATE COMP "ddram_dqs_n[1]" SITE "U2";
LOCATE COMP "ddram_dqs_p[0]" SITE "V4";
LOCATE COMP "ddram_dqs_p[1]" SITE "V1";
IOBUF PORT "ddram_dqs_n[0]" IO_TYPE=SSTL15D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
IOBUF PORT "ddram_dqs_n[1]" IO_TYPE=SSTL15D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
IOBUF PORT "ddram_dqs_p[0]" IO_TYPE=SSTL15D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;
IOBUF PORT "ddram_dqs_p[1]" IO_TYPE=SSTL15D_I SLEWRATE=FAST DIFFRESISTOR=100 TERMINATION=OFF;

LOCATE COMP "ddram_clk_p" SITE "H3";
LOCATE COMP "ddram_clk_n" SITE "J3";
IOBUF PORT "ddram_clk_p" IO_TYPE=SSTL15D_I SLEWRATE=FAST;
IOBUF PORT "ddram_clk_n" IO_TYPE=SSTL15D_I SLEWRATE=FAST;

LOCATE COMP "ddram_cke"     SITE "P1";
LOCATE COMP "ddram_odt"     SITE "P3";
IOBUF PORT "ddram_cke"     IO_TYPE=SSTL15_I SLEWRATE=FAST;
IOBUF PORT "ddram_odt"     IO_TYPE=SSTL15_I SLEWRATE=FAST;

// PMOD signals
LOCATE COMP "pmod0_0" SITE "T25";
IOBUF PORT  "pmod0_0" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod0_1" SITE "U25";
IOBUF PORT  "pmod0_1" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod0_2" SITE "U24";
IOBUF PORT  "pmod0_2" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod0_3" SITE "V24";
IOBUF PORT  "pmod0_3" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod0_4" SITE "T26";
IOBUF PORT  "pmod0_4" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod0_5" SITE "U26";
IOBUF PORT  "pmod0_5" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod0_6" SITE "V26";
IOBUF PORT  "pmod0_6" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod0_7" SITE "W26";
IOBUF PORT  "pmod0_7" IO_TYPE=LVCMOS33;

LOCATE COMP "pmod1_0" SITE "U23";
IOBUF PORT  "pmod1_0" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod1_1" SITE "V23";
IOBUF PORT  "pmod1_1" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod1_2" SITE "U22";
IOBUF PORT  "pmod1_2" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod1_3" SITE "V21";
IOBUF PORT  "pmod1_3" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod1_4" SITE "W25";
IOBUF PORT  "pmod1_4" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod1_5" SITE "W24";
IOBUF PORT  "pmod1_5" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod1_6" SITE "W23";
IOBUF PORT  "pmod1_6" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod1_7" SITE "W22";
IOBUF PORT  "pmod1_7" IO_TYPE=LVCMOS33;

LOCATE COMP "pmod2_0" SITE "J24";
IOBUF PORT  "pmod2_0" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod2_1" SITE "H22";
IOBUF PORT  "pmod2_1" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod2_2" SITE "E21";
IOBUF PORT  "pmod2_2" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod2_3" SITE "D18";
IOBUF PORT  "pmod2_3" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod2_4" SITE "K22";
IOBUF PORT  "pmod2_4" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod2_5" SITE "J21";
IOBUF PORT  "pmod2_5" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod2_6" SITE "H21";
IOBUF PORT  "pmod2_6" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod2_7" SITE "D22";
IOBUF PORT  "pmod2_7" IO_TYPE=LVCMOS33;

LOCATE COMP "pmod3_0" SITE "E4";
IOBUF PORT  "pmod3_0" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod3_1" SITE "F4";
IOBUF PORT  "pmod3_1" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod3_2" SITE "E6";
IOBUF PORT  "pmod3_2" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod3_3" SITE "H4";
IOBUF PORT  "pmod3_3" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod3_4" SITE "F3";
IOBUF PORT  "pmod3_4" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod3_5" SITE "D4";
IOBUF PORT  "pmod3_5" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod3_6" SITE "D5";
IOBUF PORT  "pmod3_6" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod3_7" SITE "F5";
IOBUF PORT  "pmod3_7" IO_TYPE=LVCMOS33;

LOCATE COMP "pmod4_0" SITE "E26";
IOBUF PORT  "pmod4_0" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod4_1" SITE "D25";
IOBUF PORT  "pmod4_1" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod4_2" SITE "F26";
IOBUF PORT  "pmod4_2" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod4_3" SITE "F25";
IOBUF PORT  "pmod4_3" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod4_4" SITE "C26";
IOBUF PORT  "pmod4_4" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod4_5" SITE "C25";
IOBUF PORT  "pmod4_5" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod4_6" SITE "A25";
IOBUF PORT  "pmod4_6" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod4_7" SITE "A24";
IOBUF PORT  "pmod4_7" IO_TYPE=LVCMOS33;

LOCATE COMP "pmod5_0" SITE "D19";
IOBUF PORT  "pmod5_0" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod5_1" SITE "C21";
IOBUF PORT  "pmod5_1" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod5_2" SITE "B21";
IOBUF PORT  "pmod5_2" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod5_3" SITE "C22";
IOBUF PORT  "pmod5_3" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod5_4" SITE "D21";
IOBUF PORT  "pmod5_4" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod5_5" SITE "A21";
IOBUF PORT  "pmod5_5" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod5_6" SITE "A22";
IOBUF PORT  "pmod5_6" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod5_7" SITE "A23";
IOBUF PORT  "pmod5_7" IO_TYPE=LVCMOS33;

LOCATE COMP "pmod6_0" SITE "C16";
IOBUF PORT  "pmod6_0" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod6_1" SITE "B17";
IOBUF PORT  "pmod6_1" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod6_2" SITE "C18";
IOBUF PORT  "pmod6_2" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod6_3" SITE "B19";
IOBUF PORT  "pmod6_3" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod6_4" SITE "A17";
IOBUF PORT  "pmod6_4" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod6_5" SITE "A18";
IOBUF PORT  "pmod6_5" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod6_6" SITE "A19";
IOBUF PORT  "pmod6_6" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod6_7" SITE "C19";
IOBUF PORT  "pmod6_7" IO_TYPE=LVCMOS33;

LOCATE COMP "pmod7_0" SITE "D14";
IOBUF PORT  "pmod7_0" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod7_1" SITE "B14";
IOBUF PORT  "pmod7_1" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod7_2" SITE "E14";
IOBUF PORT  "pmod7_2" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod7_3" SITE "B16";
IOBUF PORT  "pmod7_3" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod7_4" SITE "C14";
IOBUF PORT  "pmod7_4" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod7_5" SITE "A14";
IOBUF PORT  "pmod7_5" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod7_6" SITE "A15";
IOBUF PORT  "pmod7_6" IO_TYPE=LVCMOS33;
LOCATE COMP "pmod7_7" SITE "A16";
IOBUF PORT  "pmod7_7" IO_TYPE=LVCMOS33;