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[/] [spacewire_light/] [trunk/] [syn/] [spwamba_gr-xc3s1500/] [leon3mp.vhd] - Rev 12
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----------------------------------------------------------------------------- -- LEON3 Demonstration design -- Copyright (C) 2004 Jiri Gaisler, Gaisler Research -- -- Modified by Joris van Rantwijk for use with SpaceWire Light. ------------------------------------------------------------------------------ -- This program is free software; you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation; either version 2 of the License, or -- (at your option) any later version. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program; if not, write to the Free Software -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ------------------------------------------------------------------------------ library ieee; use ieee.std_logic_1164.all; library grlib, techmap; use grlib.amba.all; use grlib.stdlib.all; use techmap.gencomp.all; library gaisler; use gaisler.memctrl.all; use gaisler.leon3.all; use gaisler.uart.all; use gaisler.misc.all; use gaisler.can.all; use gaisler.net.all; use gaisler.jtag.all; use gaisler.spacewire.all; use gaisler.grusb.all; library esa; use esa.memoryctrl.all; library unisim; use unisim.vcomponents.DCM; use work.config.all; -- These statements are used in case SpaceWire Light is synthesized locally, -- separate from the rest of GRLIB. use work.spwpkg.all; use work.spwambapkg.all; ---- The following statements should be used instead if SpaceWire Light ---- has been integrated into GRLIB. -- library opencores; -- use opencores.spwpkg.all; -- use opencores.spwambapkg.all; entity leon3mp is generic ( fabtech : integer := CFG_FABTECH; memtech : integer := CFG_MEMTECH; padtech : integer := CFG_PADTECH; clktech : integer := CFG_CLKTECH; disas : integer := CFG_DISAS; -- Enable disassembly to console dbguart : integer := CFG_DUART; -- Print UART on console pclow : integer := CFG_PCLOW ); port ( resetn : in std_ulogic; clk : in std_ulogic; -- 50 MHz main clock clk3 : in std_ulogic; -- 25 MHz ethernet clock pllref : in std_ulogic; errorn : out std_ulogic; wdogn : out std_ulogic; address : out std_logic_vector(27 downto 0); data : inout std_logic_vector(31 downto 0); ramsn : out std_logic_vector (4 downto 0); ramoen : out std_logic_vector (4 downto 0); rwen : out std_logic_vector (3 downto 0); oen : out std_ulogic; writen : out std_ulogic; read : out std_ulogic; iosn : out std_ulogic; bexcn : in std_ulogic; -- DSU rx data brdyn : in std_ulogic; -- DSU rx data romsn : out std_logic_vector (1 downto 0); sdclk : out std_ulogic; sdcsn : out std_logic_vector (1 downto 0); -- sdram chip select sdwen : out std_ulogic; -- sdram write enable sdrasn : out std_ulogic; -- sdram ras sdcasn : out std_ulogic; -- sdram cas sddqm : out std_logic_vector (3 downto 0); -- sdram dqm dsuen : in std_ulogic; dsubre : in std_ulogic; dsuact : out std_ulogic; txd1 : out std_ulogic; -- UART1 tx data rxd1 : in std_ulogic; -- UART1 rx data ctsn1 : in std_ulogic; -- UART1 rx data rtsn1 : out std_ulogic; -- UART1 rx data txd2 : out std_ulogic; -- UART2 tx data rxd2 : in std_ulogic; -- UART2 rx data ctsn2 : in std_ulogic; -- UART1 rx data rtsn2 : out std_ulogic; -- UART1 rx data pio : inout std_logic_vector(17 downto 0); -- I/O port emdio : inout std_logic; -- ethernet PHY interface etx_clk : in std_ulogic; erx_clk : in std_ulogic; erxd : in std_logic_vector(3 downto 0); erx_dv : in std_ulogic; erx_er : in std_ulogic; erx_col : in std_ulogic; erx_crs : in std_ulogic; emdint : in std_ulogic; etxd : out std_logic_vector(3 downto 0); etx_en : out std_ulogic; etx_er : out std_ulogic; emdc : out std_ulogic; ps2clk : inout std_logic_vector(1 downto 0); ps2data : inout std_logic_vector(1 downto 0); vid_clock : out std_ulogic; vid_blankn : out std_ulogic; vid_syncn : out std_ulogic; vid_hsync : out std_ulogic; vid_vsync : out std_ulogic; vid_r : out std_logic_vector(7 downto 0); vid_g : out std_logic_vector(7 downto 0); vid_b : out std_logic_vector(7 downto 0); spw_clk : in std_ulogic; spw_rxdp : in std_logic_vector(0 to 2); spw_rxdn : in std_logic_vector(0 to 2); spw_rxsp : in std_logic_vector(0 to 2); spw_rxsn : in std_logic_vector(0 to 2); spw_txdp : out std_logic_vector(0 to 2); spw_txdn : out std_logic_vector(0 to 2); spw_txsp : out std_logic_vector(0 to 2); spw_txsn : out std_logic_vector(0 to 2); usb_clkout : in std_ulogic; usb_d : inout std_logic_vector(15 downto 0); usb_linestate : in std_logic_vector(1 downto 0); usb_opmode : out std_logic_vector(1 downto 0); usb_reset : out std_ulogic; usb_rxactive : in std_ulogic; usb_rxerror : in std_ulogic; usb_rxvalid : in std_ulogic; usb_suspend : out std_ulogic; usb_termsel : out std_ulogic; usb_txready : in std_ulogic; usb_txvalid : out std_ulogic; usb_validh : inout std_ulogic; usb_xcvrsel : out std_ulogic; usb_vbus : in std_ulogic ); end; architecture rtl of leon3mp is attribute syn_netlist_hierarchy : boolean; attribute syn_netlist_hierarchy of rtl : architecture is false; constant blength : integer := 12; constant fifodepth : integer := 8; constant maxahbm : integer := CFG_NCPU+CFG_AHB_UART+CFG_GRETH+ CFG_AHB_JTAG+CFG_SPW_NUM*CFG_SPW_EN+CFG_GRUSB_DCL+CFG_SVGA_ENABLE+ CFG_GRUSBDC; signal vcc, gnd : std_logic_vector(4 downto 0); signal memi : memory_in_type; signal memo : memory_out_type; signal wpo : wprot_out_type; signal sdi : sdctrl_in_type; signal sdo : sdram_out_type; signal sdo2, sdo3 : sdctrl_out_type; signal apbi : apb_slv_in_type; signal apbo : apb_slv_out_vector := (others => apb_none); signal ahbsi : ahb_slv_in_type; signal ahbso : ahb_slv_out_vector := (others => ahbs_none); signal ahbmi : ahb_mst_in_type; signal ahbmo : ahb_mst_out_vector := (others => ahbm_none); signal clkm, rstn, rstraw, sdclkl : std_ulogic; signal cgi, cgi2 : clkgen_in_type; signal cgo, cgo2 : clkgen_out_type; signal u1i, u2i, dui : uart_in_type; signal u1o, u2o, duo : uart_out_type; signal irqi : irq_in_vector(0 to CFG_NCPU-1); signal irqo : irq_out_vector(0 to CFG_NCPU-1); signal dbgi : l3_debug_in_vector(0 to CFG_NCPU-1); signal dbgo : l3_debug_out_vector(0 to CFG_NCPU-1); signal dsui : dsu_in_type; signal dsuo : dsu_out_type; signal ethi, ethi1, ethi2 : eth_in_type; signal etho, etho1, etho2 : eth_out_type; signal gpti : gptimer_in_type; signal gpto : gptimer_out_type; signal gpioi : gpio_in_type; signal gpioo : gpio_out_type; signal can_lrx, can_ltx : std_logic_vector(0 to 7); signal lclk, rst, ndsuact, wdogl : std_ulogic; signal tck, tckn, tms, tdi, tdo : std_ulogic; signal ethclk : std_ulogic; signal kbdi : ps2_in_type; signal kbdo : ps2_out_type; signal moui : ps2_in_type; signal mouo : ps2_out_type; signal vgao : apbvga_out_type; constant BOARD_FREQ : integer := 50000; -- input frequency in KHz constant CPU_FREQ : integer := BOARD_FREQ * CFG_CLKMUL / CFG_CLKDIV; -- cpu frequency in KHz constant IOAEN : integer := CFG_CAN + CFG_GRUSBDC; signal stati : ahbstat_in_type; signal spw_clkl : std_ulogic; signal spw_tick_in: std_logic; signal spw_di: std_logic; signal spw_si: std_logic; signal spw_do: std_logic; signal spw_so: std_logic; signal uclk : std_ulogic; signal usbi : grusb_in_type; signal usbo : grusb_out_type; constant SPW_LOOP_BACK : integer := 0; signal dac_clk, video_clk, clk50 : std_logic; -- signals to vga_clkgen. signal clk_sel : std_logic_vector(1 downto 0); attribute keep : boolean; attribute syn_keep : boolean; attribute syn_preserve : boolean; attribute syn_keep of clk50 : signal is true; attribute syn_preserve of clk50 : signal is true; attribute keep of clk50 : signal is true; attribute syn_keep of video_clk : signal is true; attribute syn_preserve of video_clk : signal is true; attribute keep of video_clk : signal is true; attribute keep of spw_clkl : signal is true; begin ---------------------------------------------------------------------- --- Reset and Clock generation ------------------------------------- ---------------------------------------------------------------------- vcc <= (others => '1'); gnd <= (others => '0'); cgi.pllctrl <= "00"; cgi.pllrst <= rstraw; pllref_pad : clkpad generic map (tech => padtech) port map (pllref, cgi.pllref); ethclk_pad : inpad generic map (tech => padtech) port map(clk3, ethclk); clk_pad : clkpad generic map (tech => padtech) port map (clk, lclk); clkgen0 : clkgen -- clock generator generic map (clktech, CFG_CLKMUL, CFG_CLKDIV, CFG_MCTRL_SDEN, CFG_CLK_NOFB, 0, 0, 0, BOARD_FREQ) port map (lclk, lclk, clkm, open, open, sdclkl, open, cgi, cgo, open, clk50); sdclk_pad : outpad generic map (tech => padtech, slew => 1, strength => 24) port map (sdclk, sdclkl); resetn_pad : inpad generic map (tech => padtech) port map (resetn, rst); rst0 : rstgen -- reset generator port map (rst, clkm, cgo.clklock, rstn, rstraw); ---------------------------------------------------------------------- --- AHB CONTROLLER -------------------------------------------------- ---------------------------------------------------------------------- ahb0 : ahbctrl -- AHB arbiter/multiplexer generic map (defmast => CFG_DEFMST, split => CFG_SPLIT, rrobin => CFG_RROBIN, ioaddr => CFG_AHBIO, ioen => IOAEN, nahbm => maxahbm, nahbs => 8) port map (rstn, clkm, ahbmi, ahbmo, ahbsi, ahbso); ---------------------------------------------------------------------- --- LEON3 processor and DSU ----------------------------------------- ---------------------------------------------------------------------- l3 : if CFG_LEON3 = 1 generate cpu : for i in 0 to CFG_NCPU-1 generate u0 : leon3s -- LEON3 processor generic map (i, fabtech, memtech, CFG_NWIN, CFG_DSU, CFG_FPU, CFG_V8, 0, CFG_MAC, pclow, 0, CFG_NWP, CFG_ICEN, CFG_IREPL, CFG_ISETS, CFG_ILINE, CFG_ISETSZ, CFG_ILOCK, CFG_DCEN, CFG_DREPL, CFG_DSETS, CFG_DLINE, CFG_DSETSZ, CFG_DLOCK, CFG_DSNOOP, CFG_ILRAMEN, CFG_ILRAMSZ, CFG_ILRAMADDR, CFG_DLRAMEN, CFG_DLRAMSZ, CFG_DLRAMADDR, CFG_MMUEN, CFG_ITLBNUM, CFG_DTLBNUM, CFG_TLB_TYPE, CFG_TLB_REP, CFG_LDDEL, disas, CFG_ITBSZ, CFG_PWD, CFG_SVT, CFG_RSTADDR, CFG_NCPU-1, 0, 0, CFG_MMU_PAGE, CFG_BP) port map (clkm, rstn, ahbmi, ahbmo(i), ahbsi, ahbso, irqi(i), irqo(i), dbgi(i), dbgo(i)); end generate; errorn_pad : odpad generic map (tech => padtech) port map (errorn, dbgo(0).error); dsugen : if CFG_DSU = 1 generate dsu0 : dsu3 -- LEON3 Debug Support Unit generic map (hindex => 2, haddr => 16#900#, hmask => 16#F00#, ncpu => CFG_NCPU, tbits => 30, tech => memtech, irq => 0, kbytes => CFG_ATBSZ) port map (rstn, clkm, ahbmi, ahbsi, ahbso(2), dbgo, dbgi, dsui, dsuo); dsuen_pad : inpad generic map (tech => padtech) port map (dsuen, dsui.enable); dsubre_pad : inpad generic map (tech => padtech) port map (dsubre, dsui.break); dsuact_pad : outpad generic map (tech => padtech) port map (dsuact, ndsuact); ndsuact <= not dsuo.active; end generate; end generate; nodsu : if CFG_DSU = 0 generate dsuo.tstop <= '0'; dsuo.active <= '0'; end generate; dcomgen : if CFG_AHB_UART = 1 generate dcom0: ahbuart -- Debug UART generic map (hindex => CFG_NCPU, pindex => 7, paddr => 7) port map (rstn, clkm, dui, duo, apbi, apbo(7), ahbmi, ahbmo(CFG_NCPU)); dsurx_pad : inpad generic map (tech => padtech) port map (rxd2, dui.rxd); dsutx_pad : outpad generic map (tech => padtech) port map (txd2, duo.txd); end generate; nouah : if CFG_AHB_UART = 0 generate apbo(7) <= apb_none; end generate; ahbjtaggen0 :if CFG_AHB_JTAG = 1 generate ahbjtag0 : ahbjtag generic map(tech => fabtech, hindex => CFG_NCPU+CFG_AHB_UART) port map(rstn, clkm, tck, tms, tdi, tdo, ahbmi, ahbmo(CFG_NCPU+CFG_AHB_UART), open, open, open, open, open, open, open, gnd(0)); end generate; ---------------------------------------------------------------------- --- Memory controllers ---------------------------------------------- ---------------------------------------------------------------------- memi.writen <= '1'; memi.wrn <= "1111"; memi.bwidth <= "00"; brdyn_pad : inpad generic map (tech => padtech) port map (brdyn, memi.brdyn); bexcn_pad : inpad generic map (tech => padtech) port map (bexcn, memi.bexcn); mctrl0 : mctrl generic map (hindex => 0, pindex => 0, paddr => 0, srbanks => 2, ram8 => CFG_MCTRL_RAM8BIT, ram16 => CFG_MCTRL_RAM16BIT, sden => CFG_MCTRL_SDEN, invclk => CFG_CLK_NOFB, sepbus => CFG_MCTRL_SEPBUS, pageburst => CFG_MCTRL_PAGE) port map (rstn, clkm, memi, memo, ahbsi, ahbso(0), apbi, apbo(0), wpo, sdo); sdpads : if CFG_MCTRL_SDEN = 1 generate -- SDRAM controller sdwen_pad : outpad generic map (tech => padtech) port map (sdwen, sdo.sdwen); sdras_pad : outpad generic map (tech => padtech) port map (sdrasn, sdo.rasn); sdcas_pad : outpad generic map (tech => padtech) port map (sdcasn, sdo.casn); sddqm_pad : outpadv generic map (width =>4, tech => padtech) port map (sddqm, sdo.dqm(3 downto 0)); end generate; sdcsn_pad : outpadv generic map (width =>2, tech => padtech) port map (sdcsn, sdo.sdcsn); addr_pad : outpadv generic map (width => 28, tech => padtech) port map (address, memo.address(27 downto 0)); rams_pad : outpadv generic map (width => 5, tech => padtech) port map (ramsn, memo.ramsn(4 downto 0)); roms_pad : outpadv generic map (width => 2, tech => padtech) port map (romsn, memo.romsn(1 downto 0)); oen_pad : outpad generic map (tech => padtech) port map (oen, memo.oen); rwen_pad : outpadv generic map (width => 4, tech => padtech) port map (rwen, memo.wrn); roen_pad : outpadv generic map (width => 5, tech => padtech) port map (ramoen, memo.ramoen(4 downto 0)); wri_pad : outpad generic map (tech => padtech) port map (writen, memo.writen); read_pad : outpad generic map (tech => padtech) port map (read, memo.read); iosn_pad : outpad generic map (tech => padtech) port map (iosn, memo.iosn); bdr : for i in 0 to 3 generate data_pad : iopadv generic map (tech => padtech, width => 8) port map (data(31-i*8 downto 24-i*8), memo.data(31-i*8 downto 24-i*8), memo.bdrive(i), memi.data(31-i*8 downto 24-i*8)); end generate; ---------------------------------------------------------------------- --- APB Bridge and various periherals ------------------------------- ---------------------------------------------------------------------- apb0 : apbctrl -- AHB/APB bridge generic map (hindex => 1, haddr => CFG_APBADDR, nslaves => 16) port map (rstn, clkm, ahbsi, ahbso(1), apbi, apbo ); ua1 : if CFG_UART1_ENABLE /= 0 generate uart1 : apbuart -- UART 1 generic map (pindex => 1, paddr => 1, pirq => 2, console => dbguart, fifosize => CFG_UART1_FIFO) port map (rstn, clkm, apbi, apbo(1), u1i, u1o); u1i.extclk <= '0'; rxd1_pad : inpad generic map (tech => padtech) port map (rxd1, u1i.rxd); txd1_pad : outpad generic map (tech => padtech) port map (txd1, u1o.txd); cts1_pad : inpad generic map (tech => padtech) port map (ctsn1, u1i.ctsn); rts1_pad : outpad generic map (tech => padtech) port map (rtsn1, u1o.rtsn); end generate; noua0 : if CFG_UART1_ENABLE = 0 generate apbo(1) <= apb_none; end generate; ua2 : if CFG_UART2_ENABLE /= 0 generate uart2 : apbuart -- UART 2 generic map (pindex => 9, paddr => 9, pirq => 3, fifosize => CFG_UART2_FIFO) port map (rstn, clkm, apbi, apbo(9), u2i, u2o); u2i.extclk <= '0'; rxd2_pad : inpad generic map (tech => padtech) port map (rxd2, u2i.rxd); txd2_pad : outpad generic map (tech => padtech) port map (txd2, u2o.txd); cts2_pad : inpad generic map (tech => padtech) port map (ctsn2, u2i.ctsn); rts2_pad : outpad generic map (tech => padtech) port map (rtsn2, u2o.rtsn); end generate; noua1 : if CFG_UART2_ENABLE = 0 generate apbo(9) <= apb_none; rtsn2 <= '0'; end generate; irqctrl : if CFG_IRQ3_ENABLE /= 0 generate irqctrl0 : irqmp -- interrupt controller generic map (pindex => 2, paddr => 2, ncpu => CFG_NCPU) port map (rstn, clkm, apbi, apbo(2), irqo, irqi); end generate; irq3 : if CFG_IRQ3_ENABLE = 0 generate x : for i in 0 to CFG_NCPU-1 generate irqi(i).irl <= "0000"; end generate; apbo(2) <= apb_none; end generate; gpt : if CFG_GPT_ENABLE /= 0 generate timer0 : gptimer -- timer unit generic map (pindex => 3, paddr => 3, pirq => CFG_GPT_IRQ, sepirq => CFG_GPT_SEPIRQ, sbits => CFG_GPT_SW, ntimers => CFG_GPT_NTIM, nbits => CFG_GPT_TW, wdog => CFG_GPT_WDOGEN*CFG_GPT_WDOG) port map (rstn, clkm, apbi, apbo(3), gpti, gpto); gpti.dhalt <= dsuo.tstop; gpti.extclk <= '0'; end generate; wden : if CFG_GPT_WDOGEN /= 0 generate wdogl <= gpto.wdogn or not rstn; wdogn_pad : odpad generic map (tech => padtech) port map (wdogn, wdogl); end generate; wddis : if CFG_GPT_WDOGEN = 0 generate wdogn_pad : odpad generic map (tech => padtech) port map (wdogn, vcc(0)); end generate; nogpt : if CFG_GPT_ENABLE = 0 generate apbo(3) <= apb_none; end generate; kbd : if CFG_KBD_ENABLE /= 0 generate ps21 : apbps2 generic map(pindex => 4, paddr => 4, pirq => 4) port map(rstn, clkm, apbi, apbo(4), moui, mouo); ps20 : apbps2 generic map(pindex => 5, paddr => 5, pirq => 5) port map(rstn, clkm, apbi, apbo(5), kbdi, kbdo); end generate; nokbd : if CFG_KBD_ENABLE = 0 generate apbo(4) <= apb_none; mouo <= ps2o_none; apbo(5) <= apb_none; kbdo <= ps2o_none; end generate; kbdclk_pad : iopad generic map (tech => padtech) port map (ps2clk(0),kbdo.ps2_clk_o, kbdo.ps2_clk_oe, kbdi.ps2_clk_i); kbdata_pad : iopad generic map (tech => padtech) port map (ps2data(0), kbdo.ps2_data_o, kbdo.ps2_data_oe, kbdi.ps2_data_i); mouclk_pad : iopad generic map (tech => padtech) port map (ps2clk(1),mouo.ps2_clk_o, mouo.ps2_clk_oe, moui.ps2_clk_i); mouata_pad : iopad generic map (tech => padtech) port map (ps2data(1), mouo.ps2_data_o, mouo.ps2_data_oe, moui.ps2_data_i); vga : if CFG_VGA_ENABLE /= 0 generate vga0 : apbvga generic map(memtech => memtech, pindex => 6, paddr => 6) port map(rstn, clkm, ethclk, apbi, apbo(6), vgao); video_clock_pad : outpad generic map ( tech => padtech) port map (vid_clock, video_clk); video_clk <= not ethclk; end generate; -- Note: SVGA graphics support removed to make room for SpaceWire Light assert CFG_SVGA_ENABLE = 0 report "SVGA graphics not supported"; svga : if CFG_SVGA_ENABLE /= 0 generate ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG) <= ahbm_none; apbo(6) <= apb_none; vgao <= vgao_none; video_clk <= not clkm; video_clock_pad : outpad generic map ( tech => padtech) port map (vid_clock, video_clk); end generate; novga : if (CFG_VGA_ENABLE = 0 and CFG_SVGA_ENABLE = 0) generate apbo(6) <= apb_none; vgao <= vgao_none; video_clk <= not clkm; video_clock_pad : outpad generic map ( tech => padtech) port map (vid_clock, video_clk); end generate; blank_pad : outpad generic map (tech => padtech) port map (vid_blankn, vgao.blank); comp_sync_pad : outpad generic map (tech => padtech) port map (vid_syncn, vgao.comp_sync); vert_sync_pad : outpad generic map (tech => padtech) port map (vid_vsync, vgao.vsync); horiz_sync_pad : outpad generic map (tech => padtech) port map (vid_hsync, vgao.hsync); video_out_r_pad : outpadv generic map (width => 8, tech => padtech) port map (vid_r, vgao.video_out_r); video_out_g_pad : outpadv generic map (width => 8, tech => padtech) port map (vid_g, vgao.video_out_g); video_out_b_pad : outpadv generic map (width => 8, tech => padtech) port map (vid_b, vgao.video_out_b); gpio0 : if CFG_GRGPIO_ENABLE /= 0 generate -- GPIO unit grgpio0: grgpio generic map(pindex => 8, paddr => 8, imask => CFG_GRGPIO_IMASK, nbits => 18) port map(rst => rstn, clk => clkm, apbi => apbi, apbo => apbo(8), gpioi => gpioi, gpioo => gpioo); p0 : if (CFG_CAN = 0) or (CFG_CAN_NUM = 1) generate pio_pads : for i in 1 to 2 generate pio_pad : iopad generic map (tech => padtech) port map (pio(i), gpioo.dout(i), gpioo.oen(i), gpioi.din(i)); end generate; end generate; p1 : if (CFG_CAN = 0) generate pio_pads : for i in 4 to 5 generate pio_pad : iopad generic map (tech => padtech) port map (pio(i), gpioo.dout(i), gpioo.oen(i), gpioi.din(i)); end generate; end generate; pio_pad0 : iopad generic map (tech => padtech) port map (pio(0), gpioo.dout(0), gpioo.oen(0), gpioi.din(0)); pio_pad1 : iopad generic map (tech => padtech) port map (pio(3), gpioo.dout(3), gpioo.oen(3), gpioi.din(3)); pio_pads : for i in 6 to 17 generate pio_pad : iopad generic map (tech => padtech) port map (pio(i), gpioo.dout(i), gpioo.oen(i), gpioi.din(i)); end generate; end generate; ahbs : if CFG_AHBSTAT = 1 generate -- AHB status register ahbstat0 : ahbstat generic map (pindex => 15, paddr => 15, pirq => 7, nftslv => CFG_AHBSTATN) port map (rstn, clkm, ahbmi, ahbsi, stati, apbi, apbo(15)); end generate; ----------------------------------------------------------------------- --- ETHERNET --------------------------------------------------------- ----------------------------------------------------------------------- eth0 : if CFG_GRETH = 1 generate -- Gaisler ethernet MAC e1 : grethm generic map( hindex => CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_SVGA_ENABLE, pindex => 13, paddr => 13, pirq => 13, memtech => memtech, mdcscaler => CPU_FREQ/1000, enable_mdio => 1, fifosize => CFG_ETH_FIFO, nsync => 1, edcl => CFG_DSU_ETH, edclbufsz => CFG_ETH_BUF, macaddrh => CFG_ETH_ENM, macaddrl => CFG_ETH_ENL, enable_mdint => 1, ipaddrh => CFG_ETH_IPM, ipaddrl => CFG_ETH_IPL, giga => CFG_GRETH1G) port map( rst => rstn, clk => clkm, ahbmi => ahbmi, ahbmo => ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_SVGA_ENABLE), apbi => apbi, apbo => apbo(13), ethi => ethi, etho => etho); end generate; ethpads : if (CFG_GRETH = 1) generate -- eth pads emdio_pad : iopad generic map (tech => padtech) port map (emdio, etho.mdio_o, etho.mdio_oe, ethi.mdio_i); etxc_pad : clkpad generic map (tech => padtech, arch => 2) port map (etx_clk, ethi.tx_clk); erxc_pad : clkpad generic map (tech => padtech, arch => 2) port map (erx_clk, ethi.rx_clk); erxd_pad : inpadv generic map (tech => padtech, width => 4) port map (erxd, ethi.rxd(3 downto 0)); erxdv_pad : inpad generic map (tech => padtech) port map (erx_dv, ethi.rx_dv); erxer_pad : inpad generic map (tech => padtech) port map (erx_er, ethi.rx_er); erxco_pad : inpad generic map (tech => padtech) port map (erx_col, ethi.rx_col); erxcr_pad : inpad generic map (tech => padtech) port map (erx_crs, ethi.rx_crs); emdint_pad : inpad generic map (tech => padtech) port map (emdint, ethi.mdint); etxd_pad : outpadv generic map (tech => padtech, width => 4) port map (etxd, etho.txd(3 downto 0)); etxen_pad : outpad generic map (tech => padtech) port map ( etx_en, etho.tx_en); etxer_pad : outpad generic map (tech => padtech) port map (etx_er, etho.tx_er); emdc_pad : outpad generic map (tech => padtech) port map (emdc, etho.mdc); end generate; ----------------------------------------------------------------------- --- AHB RAM ---------------------------------------------------------- ----------------------------------------------------------------------- ocram : if CFG_AHBRAMEN = 1 generate ahbram0 : ahbram generic map (hindex => 7, haddr => CFG_AHBRADDR, tech => CFG_MEMTECH, kbytes => CFG_AHBRSZ) port map ( rstn, clkm, ahbsi, ahbso(7)); end generate; ----------------------------------------------------------------------- --- Multi-core CAN --------------------------------------------------- ----------------------------------------------------------------------- can0 : if CFG_CAN = 1 generate can0 : can_mc generic map (slvndx => 4, ioaddr => CFG_CANIO, iomask => 16#FF0#, irq => CFG_CANIRQ, memtech => memtech, ncores => CFG_CAN_NUM, sepirq => CFG_CANSEPIRQ) port map (rstn, clkm, ahbsi, ahbso(4), can_lrx, can_ltx ); can_tx_pad1 : iopad generic map (tech => padtech) port map (pio(5), can_ltx(0), gnd(0), gpioi.din(5)); can_rx_pad1 : iopad generic map (tech => padtech) port map (pio(4), gnd(0), vcc(0), can_lrx(0)); canpas : if CFG_CAN_NUM = 2 generate can_tx_pad2 : iopad generic map (tech => padtech) port map (pio(2), can_ltx(1), gnd(0), gpioi.din(2)); can_rx_pad2 : iopad generic map (tech => padtech) port map (pio(1), gnd(0), vcc(0), can_lrx(1)); end generate; end generate; -- standby controlled by pio(3) and pio(0) ----------------------------------------------------------------------- --- SpaceWire Light -------------------------------------------------- ----------------------------------------------------------------------- spw0: spwamba generic map ( tech => memtech, hindex => CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+CFG_SVGA_ENABLE, pindex => 10, paddr => 10, pirq => 10, sysfreq => real(CPU_FREQ) * 1000.0, txclkfreq => 200.0e6, rximpl => impl_fast, rxchunk => 4, tximpl => impl_fast, timecodegen => true, rxfifosize => 8, txfifosize => 8, desctablesize => 10, maxburst => 3 ) port map ( clk => clkm, rxclk => spw_clkl, txclk => spw_clkl, rstn => rstn, apbi => apbi, apbo => apbo(10), ahbi => ahbmi, ahbo => ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+CFG_SVGA_ENABLE), tick_in => spw_tick_in, tick_out => open, spw_di => spw_di, spw_si => spw_si, spw_do => spw_do, spw_so => spw_so ); spw_rxd_pad: inpad_ds generic map (padtech, lvds, x25v) port map (spw_rxdp(0), spw_rxdn(0), spw_di); spw_rxs_pad: inpad_ds generic map (padtech, lvds, x25v) port map (spw_rxsp(0), spw_rxsn(0), spw_si); spw_txd_pad: outpad_ds generic map (padtech, lvds, x25v) port map (spw_txdp(0), spw_txdn(0), spw_do, '0'); spw_txs_pad: outpad_ds generic map (padtech, lvds, x25v) port map (spw_txsp(0), spw_txsn(0), spw_so, '0'); -- Use 2nd GPTIMER unit to generate external tick_in signal. spw_tick_in <= gpto.tick(2) when CFG_GPT_ENABLE /= 0 else '0'; -- Generate 200 MHz clock for fast receiver/transmitter. spwclk0: DCM generic map ( CLKFX_DIVIDE => 1, CLKFX_MULTIPLY => 4, CLK_FEEDBACK => "NONE", CLKIN_DIVIDE_BY_2 => false, CLKIN_PERIOD => 20.0, CLKOUT_PHASE_SHIFT => "NONE", DESKEW_ADJUST => "SYSTEM_SYNCHRONOUS", DFS_FREQUENCY_MODE => "LOW", DUTY_CYCLE_CORRECTION => true, STARTUP_WAIT => false ) port map ( CLKIN => lclk, RST => not rstraw, CLKFX => spw_clkl ); ------------------------------------------------------------------------------- --- USB ----------------------------------------------------------------------- ------------------------------------------------------------------------------- -- Note that the GRUSBDC and GRUSB_DCL can not be instantiated at the same -- time (board has only one USB transceiver), therefore they share AHB -- master/slave indexes ----------------------------------------------------------------------------- -- Shared pads ----------------------------------------------------------------------------- usbpads: if (CFG_GRUSBDC + CFG_GRUSB_DCL) /= 0 generate usb_clk_pad : clkpad generic map (tech => padtech, arch => 2) port map (usb_clkout, uclk); usb_d_pad: iopadv generic map(tech => padtech, width => 16, slew => 1) port map (usb_d, usbo.dataout, usbo.oen, usbi.datain); usb_txready_pad : inpad generic map (tech => padtech) port map (usb_txready,usbi.txready); usb_rxvalid_pad : inpad generic map (tech => padtech) port map (usb_rxvalid,usbi.rxvalid); usb_rxerror_pad : inpad generic map (tech => padtech) port map (usb_rxerror,usbi.rxerror); usb_rxactive_pad : inpad generic map (tech => padtech) port map (usb_rxactive,usbi.rxactive); usb_linestate_pad : inpadv generic map (tech => padtech, width => 2) port map (usb_linestate,usbi.linestate); usb_vbus_pad : inpad generic map (tech => padtech) port map (usb_vbus, usbi.vbusvalid); usb_reset_pad : outpad generic map (tech => padtech, slew => 1) port map (usb_reset,usbo.reset); usb_suspend_pad : outpad generic map (tech => padtech, slew => 1) port map (usb_suspend,usbo.suspendm); usb_termsel_pad : outpad generic map (tech => padtech, slew => 1) port map (usb_termsel,usbo.termselect); usb_xcvrsel_pad : outpad generic map (tech => padtech, slew => 1) port map (usb_xcvrsel,usbo.xcvrselect(0)); usb_txvalid_pad : outpad generic map (tech => padtech, slew => 1) port map (usb_txvalid,usbo.txvalid); usb_opmode_pad : outpadv generic map (tech =>padtech ,width =>2, slew =>1) port map (usb_opmode,usbo.opmode); usb_validh_pad:iopad generic map(tech => padtech, slew => 1) port map (usb_validh, usbo.txvalidh, usbo.oen, usbi.rxvalidh); end generate; ----------------------------------------------------------------------------- -- USB 2.0 Device Controller ----------------------------------------------------------------------------- usbdc0: if CFG_GRUSBDC = 1 generate usbdc0: grusbdc generic map( hsindex => 5, hirq => 9, haddr => 16#004#, hmask => 16#FFC#, hmindex => CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+ CFG_SVGA_ENABLE+CFG_SPW_NUM*CFG_SPW_EN, aiface => CFG_GRUSBDC_AIFACE, uiface => 0, dwidth => CFG_GRUSBDC_DW, nepi => CFG_GRUSBDC_NEPI, nepo => CFG_GRUSBDC_NEPO, i0 => CFG_GRUSBDC_I0, i1 => CFG_GRUSBDC_I1, i2 => CFG_GRUSBDC_I2, i3 => CFG_GRUSBDC_I3, i4 => CFG_GRUSBDC_I4, i5 => CFG_GRUSBDC_I5, i6 => CFG_GRUSBDC_I6, i7 => CFG_GRUSBDC_I7, i8 => CFG_GRUSBDC_I8, i9 => CFG_GRUSBDC_I9, i10 => CFG_GRUSBDC_I10, i11 => CFG_GRUSBDC_I11, i12 => CFG_GRUSBDC_I12, i13 => CFG_GRUSBDC_I13, i14 => CFG_GRUSBDC_I14, i15 => CFG_GRUSBDC_I15, o0 => CFG_GRUSBDC_O0, o1 => CFG_GRUSBDC_O1, o2 => CFG_GRUSBDC_O2, o3 => CFG_GRUSBDC_O3, o4 => CFG_GRUSBDC_O4, o5 => CFG_GRUSBDC_O5, o6 => CFG_GRUSBDC_O6, o7 => CFG_GRUSBDC_O7, o8 => CFG_GRUSBDC_O8, o9 => CFG_GRUSBDC_O9, o10 => CFG_GRUSBDC_O10, o11 => CFG_GRUSBDC_O11, o12 => CFG_GRUSBDC_O12, o13 => CFG_GRUSBDC_O13, o14 => CFG_GRUSBDC_O14, o15 => CFG_GRUSBDC_O15, memtech => memtech) port map( uclk => uclk, usbi => usbi, usbo => usbo, hclk => clkm, hrst => rstn, ahbmi => ahbmi, ahbmo => ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+ CFG_SVGA_ENABLE+CFG_SPW_NUM*CFG_SPW_EN), ahbsi => ahbsi, ahbso => ahbso(5) ); end generate usbdc0; ----------------------------------------------------------------------------- -- USB DCL ----------------------------------------------------------------------------- usb_dcl0: if CFG_GRUSB_DCL = 1 generate usb_dcl0: grusb_dcl generic map ( hindex => CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+ CFG_SVGA_ENABLE+CFG_SPW_NUM*CFG_SPW_EN, memtech => memtech, uiface => 0, dwidth => CFG_GRUSB_DCL_DW) port map ( uclk, usbi, usbo, clkm, rstn, ahbmi, ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+CFG_SVGA_ENABLE+ CFG_SPW_NUM*CFG_SPW_EN)); end generate usb_dcl0; ----------------------------------------------------------------------- --- Drive unused bus elements --------------------------------------- ----------------------------------------------------------------------- -- nam1 : for i in (CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG) to NAHBMST-1 generate -- ahbmo(i) <= ahbm_none; -- end generate; -- nap0 : for i in 11 to NAPBSLV-1 generate apbo(i) <= apb_none; end generate; -- nah0 : for i in 8 to NAHBSLV-1 generate ahbso(i) <= ahbs_none; end generate; ----------------------------------------------------------------------- --- Boot message ---------------------------------------------------- ----------------------------------------------------------------------- -- pragma translate_off x : report_version generic map ( msg1 => "LEON3 GR-XC3S-1500 Demonstration design", msg2 => "GRLIB Version " & tost(LIBVHDL_VERSION/1000) & "." & tost((LIBVHDL_VERSION mod 1000)/100) & "." & tost(LIBVHDL_VERSION mod 100) & ", build " & tost(LIBVHDL_BUILD), msg3 => "Target technology: " & tech_table(fabtech) & ", memory library: " & tech_table(memtech), mdel => 1 ); -- pragma translate_on end;