1 -----------------------------------------------------------------------------
2 -- LEON3 Demonstration design
3 -- Copyright (C) 2004 Jiri Gaisler, Gaisler Research
4 ------------------------------------------------------------------------------
5 -- This file is a part of the GRLIB VHDL IP LIBRARY
6 -- Copyright (C) 2003 - 2008, Gaisler Research
7 -- Copyright (C) 2008 - 2010, Aeroflex Gaisler
9 -- This program is free software; you can redistribute it and/or modify
10 -- it under the terms of the GNU General Public License as published by
11 -- the Free Software Foundation; either version 2 of the License, or
12 -- (at your option) any later version.
14 -- This program is distributed in the hope that it will be useful,
15 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
16 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 -- GNU General Public License for more details.
19 -- You should have received a copy of the GNU General Public License
20 -- along with this program; if not, write to the Free Software
21 -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 ------------------------------------------------------------------------------
23 -- Modified by Kenichi Kurimoto
25 -------------------------------------------------------------------------------
29 use ieee.std_logic_1164.all;
30 library grlib, techmap;
33 use techmap.gencomp.all;
35 use gaisler.memctrl.all;
36 use gaisler.leon3.all;
42 use gaisler.spacewire.all;
43 use gaisler.grusb.all;
47 use esa.memoryctrl.all;
49 -- pragma translate_off
53 -- pragma translate_on
59 fabtech : integer := CFG_FABTECH;
60 memtech : integer := CFG_MEMTECH;
61 padtech : integer := CFG_PADTECH;
62 clktech : integer := CFG_CLKTECH;
63 disas : integer := CFG_DISAS; -- Enable disassembly to console
64 dbguart : integer := CFG_DUART; -- Print UART on console
65 pclow : integer := CFG_PCLOW
68 resetn : in std_ulogic;
69 clk : in std_ulogic; -- 50 MHz main clock
70 clk3 : in std_ulogic; -- 25 MHz ethernet clock
71 pllref : in std_ulogic;
72 errorn : out std_ulogic;
73 wdogn : out std_ulogic;
74 -- Adding SDCKE for BLANCA
75 sdcke : out std_ulogic;
76 address : out std_logic_vector(27 downto 0);
77 data : inout std_logic_vector(31 downto 0);
78 ramsn : out std_logic_vector (4 downto 0);
79 ramoen : out std_logic_vector (4 downto 0);
80 rwen : out std_logic_vector (3 downto 0);
82 writen : out std_ulogic;
83 read : out std_ulogic;
84 iosn : out std_ulogic;
85 bexcn : in std_ulogic; -- DSU rx data
86 brdyn : in std_ulogic; -- DSU rx data
87 romsn : out std_logic_vector (1 downto 0);
88 sdclk : out std_ulogic;
89 sdcsn : out std_logic_vector (1 downto 0); -- sdram chip select
90 sdwen : out std_ulogic; -- sdram write enable
91 sdrasn : out std_ulogic; -- sdram ras
92 sdcasn : out std_ulogic; -- sdram cas
93 sddqm : out std_logic_vector (3 downto 0); -- sdram dqm
95 -- dsuen : in std_ulogic;
96 -- dsubre : in std_ulogic;
97 dsuact : out std_ulogic;
99 txd1 : out std_ulogic; -- UART1 tx data
100 rxd1 : in std_ulogic; -- UART1 rx data
101 ctsn1 : in std_ulogic; -- UART1 rx data
102 rtsn1 : out std_ulogic; -- UART1 rx data
103 txd2 : out std_ulogic; -- UART2 tx data
104 rxd2 : in std_ulogic; -- UART2 rx data
105 ctsn2 : in std_ulogic; -- UART1 rx data
106 rtsn2 : out std_ulogic; -- UART1 rx data
108 pio : inout std_logic_vector(17 downto 0); -- I/O port
110 --emdio : inout std_logic; -- ethernet PHY interface
111 emdio_ip : in std_ulogic;
112 emdio_op : out std_ulogic;
113 emdio_oep : out std_ulogic;
114 etx_clk : in std_ulogic;
115 erx_clk : in std_ulogic;
116 erxd : in std_logic_vector(3 downto 0);
117 erx_dv : in std_ulogic;
118 erx_er : in std_ulogic;
119 erx_col : in std_ulogic;
120 erx_crs : in std_ulogic;
121 -- emdint : in std_ulogic;
122 etxd : out std_logic_vector(3 downto 0);
123 etx_en : out std_ulogic;
124 etx_er : out std_ulogic;
125 emdc : out std_ulogic;
127 -- ps2clk : inout std_logic_vector(1 downto 0);
128 ps2clk_ip : in std_logic_vector(1 downto 0);
129 ps2clk_op : out std_logic_vector(1 downto 0);
130 ps2clk_oep : out std_logic_vector(1 downto 0);
131 -- ps2data : inout std_logic_vector(1 downto 0);
132 ps2data_ip : in std_logic_vector(1 downto 0);
133 ps2data_op : out std_logic_vector(1 downto 0);
134 ps2data_oep : out std_logic_vector(1 downto 0);
136 vid_clock : out std_ulogic;
137 vid_blankn : out std_ulogic;
138 vid_syncn : out std_ulogic;
139 vid_hsync : out std_ulogic;
140 vid_vsync : out std_ulogic;
141 vid_r : out std_logic_vector(7 downto 0);
142 vid_g : out std_logic_vector(7 downto 0);
143 vid_b : out std_logic_vector(7 downto 0);
145 spw_clk : in std_ulogic;
146 spw_rxdp : in std_logic_vector(0 to 2);
147 spw_rxdn : in std_logic_vector(0 to 2);
148 spw_rxsp : in std_logic_vector(0 to 2);
149 spw_rxsn : in std_logic_vector(0 to 2);
150 spw_txdp : out std_logic_vector(0 to 2);
151 spw_txdn : out std_logic_vector(0 to 2);
152 spw_txsp : out std_logic_vector(0 to 2);
153 spw_txsn : out std_logic_vector(0 to 2);
155 usb_clkout : in std_ulogic;
156 usb_d : inout std_logic_vector(15 downto 0);
157 usb_linestate : in std_logic_vector(1 downto 0);
158 usb_opmode : out std_logic_vector(1 downto 0);
159 usb_reset : out std_ulogic;
160 usb_rxactive : in std_ulogic;
161 usb_rxerror : in std_ulogic;
162 usb_rxvalid : in std_ulogic;
163 usb_suspend : out std_ulogic;
164 usb_termsel : out std_ulogic;
165 usb_txready : in std_ulogic;
166 usb_txvalid : out std_ulogic;
167 usb_validh : inout std_ulogic;
168 usb_xcvrsel : out std_ulogic;
169 usb_vbus : in std_ulogic;
171 ata_rstn : out std_logic;
172 ata_data : inout std_logic_vector(15 downto 0);
173 ata_da : out std_logic_vector(2 downto 0);
174 ata_cs0 : out std_logic;
175 ata_cs1 : out std_logic;
176 ata_dior : out std_logic;
177 ata_diow : out std_logic;
178 ata_iordy : in std_logic;
179 ata_intrq : in std_logic;
180 ata_dmarq : in std_logic;
181 ata_dmack : out std_logic;
182 --ata_dasp : in std_logic
183 ata_csel : out std_logic;
185 -- adding uart enable for BLANCA
186 uart_en : out std_logic
193 architecture rtl of leon3mp is
196 -- Adding DCM component for BLANCA sdclk
200 CLKDV_DIVIDE : real := 2.0;
201 CLKFX_DIVIDE : integer := 1;
202 CLKFX_MULTIPLY : integer := 4;
203 CLKIN_DIVIDE_BY_2 : boolean := false;
204 CLKIN_PERIOD : real := 10.0;
205 CLKOUT_PHASE_SHIFT : string := "NONE";
206 CLK_FEEDBACK : string := "1X";
207 DESKEW_ADJUST : string := "SYSTEM_SYNCHRONOUS";
208 DFS_FREQUENCY_MODE : string := "LOW";
209 DLL_FREQUENCY_MODE : string := "LOW";
210 DSS_MODE : string := "NONE";
211 DUTY_CYCLE_CORRECTION : boolean := true;
212 FACTORY_JF : bit_vector := X"C080";
213 PHASE_SHIFT : integer := 0;
214 STARTUP_WAIT : boolean := false
217 CLKFB : in std_logic;
218 CLKIN : in std_logic;
219 DSSEN : in std_logic;
220 PSCLK : in std_logic;
222 PSINCDEC : in std_logic;
224 CLK0 : out std_logic;
225 CLK90 : out std_logic;
226 CLK180 : out std_logic;
227 CLK270 : out std_logic;
228 CLK2X : out std_logic;
229 CLK2X180 : out std_logic;
230 CLKDV : out std_logic;
231 CLKFX : out std_logic;
232 CLKFX180 : out std_logic;
233 LOCKED : out std_logic;
234 PSDONE : out std_logic;
235 STATUS : out std_logic_vector (7 downto 0));
238 component BUFG port (O : out std_logic; I : in std_logic); end component;
240 attribute syn_netlist_hierarchy : boolean;
241 attribute syn_netlist_hierarchy of rtl : architecture is false;
243 constant blength : integer := 12;
244 constant fifodepth : integer := 8;
245 constant maxahbm : integer := CFG_NCPU+CFG_AHB_UART+CFG_GRETH+
246 CFG_AHB_JTAG+CFG_SPW_NUM*CFG_SPW_EN+CFG_GRUSB_DCL+CFG_SVGA_ENABLE+
249 signal vcc, gnd : std_logic_vector(4 downto 0);
250 signal memi : memory_in_type;
251 signal memo : memory_out_type;
252 signal wpo : wprot_out_type;
253 signal sdi : sdctrl_in_type;
254 signal sdo : sdram_out_type;
255 signal sdo2, sdo3 : sdctrl_out_type;
257 signal apbi : apb_slv_in_type;
258 signal apbo : apb_slv_out_vector := (others => apb_none);
259 signal ahbsi : ahb_slv_in_type;
260 signal ahbso : ahb_slv_out_vector := (others => ahbs_none);
261 signal ahbmi : ahb_mst_in_type;
262 signal ahbmo : ahb_mst_out_vector := (others => ahbm_none);
264 signal clkm, rstn, rstraw, sdclkl : std_ulogic;
265 signal cgi, cgi2 : clkgen_in_type;
266 signal cgo, cgo2 : clkgen_out_type;
267 signal u1i, u2i, dui : uart_in_type;
268 signal u1o, u2o, duo : uart_out_type;
270 signal irqi : irq_in_vector(0 to CFG_NCPU-1);
271 signal irqo : irq_out_vector(0 to CFG_NCPU-1);
273 signal dbgi : l3_debug_in_vector(0 to CFG_NCPU-1);
274 signal dbgo : l3_debug_out_vector(0 to CFG_NCPU-1);
276 signal dsui : dsu_in_type;
277 signal dsuo : dsu_out_type;
279 signal ethi, ethi1, ethi2 : eth_in_type;
280 signal etho, etho1, etho2 : eth_out_type;
282 signal gpti : gptimer_in_type;
283 signal gpto : gptimer_out_type;
285 signal gpioi : gpio_in_type;
286 signal gpioo : gpio_out_type;
288 signal can_lrx, can_ltx : std_logic_vector(0 to 7);
290 signal lclk, rst, ndsuact, wdogl : std_ulogic;
291 signal tck, tckn, tms, tdi, tdo : std_ulogic;
293 signal ethclk : std_ulogic;
295 signal kbdi : ps2_in_type;
296 signal kbdo : ps2_out_type;
297 signal moui : ps2_in_type;
298 signal mouo : ps2_out_type;
299 signal vgao : apbvga_out_type;
301 constant BOARD_FREQ : integer := 25000; -- input frequency in KHz
302 constant CPU_FREQ : integer := BOARD_FREQ * CFG_CLKMUL / CFG_CLKDIV; -- cpu frequency in KHz
303 constant IOAEN : integer := CFG_CAN + CFG_ATA + CFG_GRUSBDC;
305 signal spwi : grspw_in_type_vector(0 to 2);
306 signal spwo : grspw_out_type_vector(0 to 2);
307 signal dtmp : std_logic_vector(2 downto 0);
308 signal stmp : std_logic_vector(2 downto 0);
309 signal spw_clkl : std_ulogic;
310 signal spw_clkln : std_ulogic;
311 signal rxclko : std_logic_vector(CFG_SPW_NUM-1 downto 0);
312 signal stati : ahbstat_in_type;
314 signal uclk : std_ulogic;
315 signal usbi : grusb_in_type;
316 signal usbo : grusb_out_type;
318 signal idei : ata_in_type;
319 signal ideo : ata_out_type;
321 constant SPW_LOOP_BACK : integer := 0;
323 signal dac_clk, video_clk, clk50 : std_logic; -- signals to vga_clkgen.
324 signal clk_sel : std_logic_vector(1 downto 0);
327 signal sdckesig : std_ulogic;
328 signal uart_ensig : std_ulogic;
329 signal sdclkl2 : std_ulogic;
330 signal sddll_rst : std_logic_vector(0 to 3);
331 signal sigzero : std_logic;
332 signal fbackdll : std_ulogic;
333 signal erx_clk2 : std_ulogic;
334 signal etx_clk2 : std_ulogic;
336 attribute keep : boolean;
337 attribute syn_keep : boolean;
338 attribute syn_preserve : boolean;
339 attribute syn_keep of clk50 : signal is true;
340 attribute syn_preserve of clk50 : signal is true;
341 attribute keep of clk50 : signal is true;
342 attribute syn_keep of video_clk : signal is true;
343 attribute syn_preserve of video_clk : signal is true;
344 attribute keep of video_clk : signal is true;
348 ----------------------------------------------------------------------
349 --- Reset and Clock generation -------------------------------------
350 ----------------------------------------------------------------------
352 vcc <= (others => '1'); gnd <= (others => '0');
353 cgi.pllctrl <= "00"; cgi.pllrst <= rstraw;
355 pllref_pad : clkpad generic map (tech => padtech) port map (pllref, cgi.pllref);
356 ethclk_pad : inpad generic map (tech => padtech) port map(clk3, ethclk);
357 clk_pad : clkpad generic map (tech => padtech) port map (clk, lclk);
358 clkgen0 : clkgen -- clock generator
359 generic map (clktech, CFG_CLKMUL, CFG_CLKDIV, CFG_MCTRL_SDEN,
360 CFG_CLK_NOFB, 0, 0, 0, BOARD_FREQ)
361 port map (lclk, lclk, clkm, open, open, sdclkl, open, cgi, cgo, open, clk50);
364 -- sddll_rst <= not cgo.clklock;
366 rstdff : process(sdclkl, cgo.clklock)
368 if cgo.clklock = '0' then sddll_rst <= (others => '1');
369 elsif rising_edge(sdclkl) then
370 sddll_rst <= sddll_rst(1 to 3) & '0';
374 generic map (CLKFX_MULTIPLY => 2, CLKFX_DIVIDE => 2, CLKOUT_PHASE_SHIFT => "FIXED", PHASE_SHIFT => -60)
375 port map ( CLKIN => sdclkl, CLKFB => fbackdll, DSSEN => sigzero, PSCLK => sigzero,
376 PSEN => sigzero, PSINCDEC => sigzero, RST => sddll_rst(0), CLK0 => fbackdll,
377 CLKFX => sdclkl2, CLK2X => open, CLKFX180 => open, LOCKED => open);
379 --sdclkl2 <= not sdclkl;
380 sdclk_pad : outpad generic map (tech => padtech, slew => 1, strength => 24)
381 port map (sdclk, sdclkl2);
383 resetn_pad : inpad generic map (tech => padtech) port map (resetn, rst);
384 rst0 : rstgen -- reset generator
385 port map (rst, clkm, cgo.clklock, rstn, rstraw);
387 ----------------------------------------------------------------------
388 --- AHB CONTROLLER --------------------------------------------------
389 ----------------------------------------------------------------------
391 ahb0 : ahbctrl -- AHB arbiter/multiplexer
392 generic map (defmast => CFG_DEFMST, split => CFG_SPLIT,
393 rrobin => CFG_RROBIN, ioaddr => CFG_AHBIO,
394 ioen => IOAEN, nahbm => maxahbm, nahbs => 8)
395 port map (rstn, clkm, ahbmi, ahbmo, ahbsi, ahbso);
397 ----------------------------------------------------------------------
398 --- LEON3 processor and DSU -----------------------------------------
399 ----------------------------------------------------------------------
401 l3 : if CFG_LEON3 = 1 generate
402 cpu : for i in 0 to CFG_NCPU-1 generate
403 u0 : leon3s -- LEON3 processor
404 generic map (i, fabtech, memtech, CFG_NWIN, CFG_DSU, CFG_FPU, CFG_V8,
405 0, CFG_MAC, pclow, 0, CFG_NWP, CFG_ICEN, CFG_IREPL, CFG_ISETS, CFG_ILINE,
406 CFG_ISETSZ, CFG_ILOCK, CFG_DCEN, CFG_DREPL, CFG_DSETS, CFG_DLINE, CFG_DSETSZ,
407 CFG_DLOCK, CFG_DSNOOP, CFG_ILRAMEN, CFG_ILRAMSZ, CFG_ILRAMADDR, CFG_DLRAMEN,
408 CFG_DLRAMSZ, CFG_DLRAMADDR, CFG_MMUEN, CFG_ITLBNUM, CFG_DTLBNUM, CFG_TLB_TYPE, CFG_TLB_REP,
409 CFG_LDDEL, disas, CFG_ITBSZ, CFG_PWD, CFG_SVT, CFG_RSTADDR, CFG_NCPU-1, 0, 0,
410 CFG_MMU_PAGE, CFG_BP)
411 port map (clkm, rstn, ahbmi, ahbmo(i), ahbsi, ahbso,
412 irqi(i), irqo(i), dbgi(i), dbgo(i));
414 errorn_pad : odpad generic map (tech => padtech) port map (errorn, dbgo(0).error);
416 dsugen : if CFG_DSU = 1 generate
417 dsu0 : dsu3 -- LEON3 Debug Support Unit
418 generic map (hindex => 2, haddr => 16#900#, hmask => 16#F00#,
419 ncpu => CFG_NCPU, tbits => 30, tech => memtech, irq => 0, kbytes => CFG_ATBSZ)
420 port map (rstn, clkm, ahbmi, ahbsi, ahbso(2), dbgo, dbgi, dsui, dsuo);
421 -- dsuen_pad : inpad generic map (tech => padtech) port map (dsuen, dsui.enable);
422 -- dsubre_pad : inpad generic map (tech => padtech) port map (dsubre, dsui.break);
425 dsuact_pad : outpad generic map (tech => padtech) port map (dsuact, ndsuact);
426 ndsuact <= not dsuo.active;
429 nodsu : if CFG_DSU = 0 generate
430 dsuo.tstop <= '0'; dsuo.active <= '0';
433 dcomgen : if CFG_AHB_UART = 1 generate
434 dcom0: ahbuart -- Debug UART
435 generic map (hindex => CFG_NCPU, pindex => 7, paddr => 7)
436 port map (rstn, clkm, dui, duo, apbi, apbo(7), ahbmi, ahbmo(CFG_NCPU));
437 dsurx_pad : inpad generic map (tech => padtech) port map (rxd2, dui.rxd);
438 dsutx_pad : outpad generic map (tech => padtech) port map (txd2, duo.txd);
440 nouah : if CFG_AHB_UART = 0 generate apbo(7) <= apb_none; end generate;
442 ahbjtaggen0 :if CFG_AHB_JTAG = 1 generate
443 ahbjtag0 : ahbjtag generic map(tech => fabtech, hindex => CFG_NCPU+CFG_AHB_UART)
444 port map(rstn, clkm, tck, tms, tdi, tdo, ahbmi, ahbmo(CFG_NCPU+CFG_AHB_UART),
445 open, open, open, open, open, open, open, gnd(0));
448 ----------------------------------------------------------------------
449 --- Memory controllers ----------------------------------------------
450 ----------------------------------------------------------------------
452 memi.writen <= '1'; memi.wrn <= "1111"; memi.bwidth <= "00";
453 brdyn_pad : inpad generic map (tech => padtech) port map (brdyn, memi.brdyn);
454 bexcn_pad : inpad generic map (tech => padtech) port map (bexcn, memi.bexcn);
456 mctrl0 : mctrl generic map (hindex => 0, pindex => 0,
457 paddr => 0, srbanks => 2, ram8 => CFG_MCTRL_RAM8BIT,
458 ram16 => CFG_MCTRL_RAM16BIT, sden => CFG_MCTRL_SDEN,
459 invclk => CFG_CLK_NOFB, sepbus => CFG_MCTRL_SEPBUS,
460 pageburst => CFG_MCTRL_PAGE)
461 port map (rstn, clkm, memi, memo, ahbsi, ahbso(0), apbi, apbo(0), wpo, sdo);
462 sdpads : if CFG_MCTRL_SDEN = 1 generate -- SDRAM controller
463 sdwen_pad : outpad generic map (tech => padtech)
464 port map (sdwen, sdo.sdwen);
465 sdras_pad : outpad generic map (tech => padtech)
466 port map (sdrasn, sdo.rasn);
467 sdcas_pad : outpad generic map (tech => padtech)
468 port map (sdcasn, sdo.casn);
469 sddqm_pad : outpadv generic map (width =>4, tech => padtech)
470 port map (sddqm, sdo.dqm(3 downto 0));
472 sdcsn_pad : outpadv generic map (width =>2, tech => padtech)
473 port map (sdcsn, sdo.sdcsn);
475 addr_pad : outpadv generic map (width => 28, tech => padtech)
476 port map (address, memo.address(27 downto 0));
477 rams_pad : outpadv generic map (width => 5, tech => padtech)
478 port map (ramsn, memo.ramsn(4 downto 0));
479 roms_pad : outpadv generic map (width => 2, tech => padtech)
480 port map (romsn, memo.romsn(1 downto 0));
481 oen_pad : outpad generic map (tech => padtech)
482 port map (oen, memo.oen);
483 rwen_pad : outpadv generic map (width => 4, tech => padtech)
484 port map (rwen, memo.wrn);
485 roen_pad : outpadv generic map (width => 5, tech => padtech)
486 port map (ramoen, memo.ramoen(4 downto 0));
487 wri_pad : outpad generic map (tech => padtech)
488 port map (writen, memo.writen);
489 read_pad : outpad generic map (tech => padtech)
490 port map (read, memo.read);
491 iosn_pad : outpad generic map (tech => padtech)
492 port map (iosn, memo.iosn);
493 bdr : for i in 0 to 3 generate
494 data_pad : iopadv generic map (tech => padtech, width => 8)
495 port map (data(31-i*8 downto 24-i*8), memo.data(31-i*8 downto 24-i*8),
496 memo.bdrive(i), memi.data(31-i*8 downto 24-i*8));
499 ----------------------------------------------------------------------
500 --- APB Bridge and various periherals -------------------------------
501 ----------------------------------------------------------------------
503 bpromgen : if CFG_AHBROMEN /= 0 generate
504 brom : entity work.ahbrom
505 generic map (hindex => 6, haddr => CFG_AHBRODDR, pipe => CFG_AHBROPIP)
506 port map ( rstn, clkm, ahbsi, ahbso(6));
509 ----------------------------------------------------------------------
510 --- APB Bridge and various periherals -------------------------------
511 ----------------------------------------------------------------------
513 apb0 : apbctrl -- AHB/APB bridge
514 generic map (hindex => 1, haddr => CFG_APBADDR, nslaves => 16)
515 port map (rstn, clkm, ahbsi, ahbso(1), apbi, apbo );
517 ua1 : if CFG_UART1_ENABLE /= 0 generate
518 uart1 : apbuart -- UART 1
519 generic map (pindex => 1, paddr => 1, pirq => 2, console => dbguart,
520 fifosize => CFG_UART1_FIFO)
521 port map (rstn, clkm, apbi, apbo(1), u1i, u1o);
523 rxd1_pad : inpad generic map (tech => padtech) port map (rxd1, u1i.rxd);
524 txd1_pad : outpad generic map (tech => padtech) port map (txd1, u1o.txd);
525 cts1_pad : inpad generic map (tech => padtech) port map (ctsn1, u1i.ctsn);
526 rts1_pad : outpad generic map (tech => padtech) port map (rtsn1, u1o.rtsn);
528 noua0 : if CFG_UART1_ENABLE = 0 generate apbo(1) <= apb_none; end generate;
530 ua2 : if CFG_UART2_ENABLE /= 0 generate
531 uart2 : apbuart -- UART 2
532 generic map (pindex => 9, paddr => 9, pirq => 3, fifosize => CFG_UART2_FIFO)
533 port map (rstn, clkm, apbi, apbo(9), u2i, u2o);
535 rxd2_pad : inpad generic map (tech => padtech) port map (rxd2, u2i.rxd);
536 txd2_pad : outpad generic map (tech => padtech) port map (txd2, u2o.txd);
537 cts2_pad : inpad generic map (tech => padtech) port map (ctsn2, u2i.ctsn);
538 rts2_pad : outpad generic map (tech => padtech) port map (rtsn2, u2o.rtsn);
540 noua1 : if CFG_UART2_ENABLE = 0 generate
541 apbo(9) <= apb_none; rtsn2 <= '0';
544 irqctrl : if CFG_IRQ3_ENABLE /= 0 generate
545 irqctrl0 : irqmp -- interrupt controller
546 generic map (pindex => 2, paddr => 2, ncpu => CFG_NCPU)
547 port map (rstn, clkm, apbi, apbo(2), irqo, irqi);
549 irq3 : if CFG_IRQ3_ENABLE = 0 generate
550 x : for i in 0 to CFG_NCPU-1 generate
551 irqi(i).irl <= "0000";
556 gpt : if CFG_GPT_ENABLE /= 0 generate
557 timer0 : gptimer -- timer unit
558 generic map (pindex => 3, paddr => 3, pirq => CFG_GPT_IRQ,
559 sepirq => CFG_GPT_SEPIRQ, sbits => CFG_GPT_SW, ntimers => CFG_GPT_NTIM,
560 nbits => CFG_GPT_TW, wdog => CFG_GPT_WDOGEN*CFG_GPT_WDOG)
561 port map (rstn, clkm, apbi, apbo(3), gpti, gpto);
562 gpti.dhalt <= dsuo.tstop; gpti.extclk <= '0';
564 wden : if CFG_GPT_WDOGEN /= 0 generate
565 wdogl <= gpto.wdogn or not rstn;
566 wdogn_pad : odpad generic map (tech => padtech) port map (wdogn, wdogl);
568 wddis : if CFG_GPT_WDOGEN = 0 generate
569 wdogn_pad : odpad generic map (tech => padtech) port map (wdogn, vcc(0));
572 nogpt : if CFG_GPT_ENABLE = 0 generate apbo(3) <= apb_none; end generate;
574 kbd : if CFG_KBD_ENABLE /= 0 generate
575 ps21 : apbps2 generic map(pindex => 4, paddr => 4, pirq => 4)
576 port map(rstn, clkm, apbi, apbo(4), moui, mouo);
577 ps20 : apbps2 generic map(pindex => 5, paddr => 5, pirq => 5)
578 port map(rstn, clkm, apbi, apbo(5), kbdi, kbdo);
580 nokbd : if CFG_KBD_ENABLE = 0 generate
581 apbo(4) <= apb_none; mouo <= ps2o_none;
582 apbo(5) <= apb_none; kbdo <= ps2o_none;
584 -- kbdclk_pad : iopad generic map (tech => padtech)
585 -- port map (ps2clk(0),kbdo.ps2_clk_o, kbdo.ps2_clk_oe, kbdi.ps2_clk_i);
586 kbdclk_ipad : inpad generic map (tech => padtech)
587 port map (ps2clk_ip(0), kbdi.ps2_clk_i);
588 kbdclk_opad : outpad generic map (tech => padtech)
589 port map (ps2clk_op(0), kbdo.ps2_clk_o);
590 kbdclk_oepad : outpad generic map (tech => padtech)
591 port map (ps2clk_oep(0), kbdo.ps2_clk_oe);
592 -- kbdata_pad : iopad generic map (tech => padtech)
593 -- port map (ps2data(0), kbdo.ps2_data_o, kbdo.ps2_data_oe, kbdi.ps2_data_i);
594 kbddata_ipad : inpad generic map (tech => padtech)
595 port map (ps2data_ip(0), kbdi.ps2_data_i);
596 kbddata_opad : outpad generic map (tech => padtech)
597 port map (ps2data_op(0), kbdo.ps2_data_o);
598 kbddata_oepad : outpad generic map (tech => padtech)
599 port map (ps2data_oep(0), kbdo.ps2_data_oe);
600 -- mouclk_pad : iopad generic map (tech => padtech)
601 -- port map (ps2clk(1),mouo.ps2_clk_o, mouo.ps2_clk_oe, moui.ps2_clk_i);
602 mouclk_ipad : inpad generic map (tech => padtech)
603 port map (ps2clk_ip(1), moui.ps2_clk_i);
604 mouclk_opad : outpad generic map (tech => padtech)
605 port map (ps2clk_op(1), mouo.ps2_clk_o);
606 mouclk_oepad : outpad generic map (tech => padtech)
607 port map (ps2clk_oep(1), mouo.ps2_clk_oe);
608 -- mouata_pad : iopad generic map (tech => padtech)
609 -- port map (ps2data(1), mouo.ps2_data_o, mouo.ps2_data_oe, moui.ps2_data_i);
610 moudata_ipad : inpad generic map (tech => padtech)
611 port map (ps2data_ip(1), moui.ps2_data_i);
612 moudata_opad : outpad generic map (tech => padtech)
613 port map (ps2data_op(1), mouo.ps2_data_o);
614 moudata_oepad : outpad generic map (tech => padtech)
615 port map (ps2data_oep(1), mouo.ps2_data_oe);
619 vga : if CFG_VGA_ENABLE /= 0 generate
620 vga0 : apbvga generic map(memtech => memtech, pindex => 6, paddr => 6)
621 port map(rstn, clkm, ethclk, apbi, apbo(6), vgao);
622 video_clock_pad : outpad generic map ( tech => padtech)
623 port map (vid_clock, video_clk);
624 video_clk <= not ethclk;
627 svga : if CFG_SVGA_ENABLE /= 0 generate
628 svga0 : svgactrl generic map(memtech => memtech, pindex => 6, paddr => 6,
629 hindex => CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG,
630 clk0 => 40000, clk1 => 1000000000/((BOARD_FREQ * CFG_CLKMUL)/CFG_CLKDIV),
631 clk2 => 20000, clk3 => 15385, burstlen => 6)
632 port map(rstn, clkm, video_clk, apbi, apbo(6), vgao, ahbmi,
633 ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG), clk_sel);
634 vgaclk0 : entity work.vga_clkgen
635 -- port map (rstn, clk_sel, ethclk, clkm, clk50, video_clk);
636 port map (rstn, clk_sel, lclk, clkm, clk50, video_clk);
637 dac_clk <= not video_clk;
638 video_clock_pad : outpad generic map ( tech => padtech)
639 port map (vid_clock, dac_clk);
642 novga : if (CFG_VGA_ENABLE = 0 and CFG_SVGA_ENABLE = 0) generate
643 apbo(6) <= apb_none; vgao <= vgao_none;
644 video_clk <= not clkm;
645 video_clock_pad : outpad generic map ( tech => padtech)
646 port map (vid_clock, video_clk);
649 blank_pad : outpad generic map (tech => padtech)
650 port map (vid_blankn, vgao.blank);
651 comp_sync_pad : outpad generic map (tech => padtech)
652 port map (vid_syncn, vgao.comp_sync);
653 vert_sync_pad : outpad generic map (tech => padtech)
654 port map (vid_vsync, vgao.vsync);
655 horiz_sync_pad : outpad generic map (tech => padtech)
656 port map (vid_hsync, vgao.hsync);
657 video_out_r_pad : outpadv generic map (width => 8, tech => padtech)
658 port map (vid_r, vgao.video_out_r);
659 video_out_g_pad : outpadv generic map (width => 8, tech => padtech)
660 port map (vid_g, vgao.video_out_g);
661 video_out_b_pad : outpadv generic map (width => 8, tech => padtech)
662 port map (vid_b, vgao.video_out_b);
664 gpio0 : if CFG_GRGPIO_ENABLE /= 0 generate -- GPIO unit
666 generic map(pindex => 8, paddr => 8, imask => CFG_GRGPIO_IMASK, nbits => 18)
667 port map(rst => rstn, clk => clkm, apbi => apbi, apbo => apbo(8),
668 gpioi => gpioi, gpioo => gpioo);
669 p0 : if (CFG_CAN = 0) or (CFG_CAN_NUM = 1) generate
670 pio_pads : for i in 1 to 2 generate
671 pio_pad : iopad generic map (tech => padtech)
672 port map (pio(i), gpioo.dout(i), gpioo.oen(i), gpioi.din(i));
675 p1 : if (CFG_CAN = 0) generate
676 pio_pads : for i in 4 to 5 generate
677 pio_pad : iopad generic map (tech => padtech)
678 port map (pio(i), gpioo.dout(i), gpioo.oen(i), gpioi.din(i));
681 pio_pad0 : iopad generic map (tech => padtech)
682 port map (pio(0), gpioo.dout(0), gpioo.oen(0), gpioi.din(0));
683 pio_pad1 : iopad generic map (tech => padtech)
684 port map (pio(3), gpioo.dout(3), gpioo.oen(3), gpioi.din(3));
685 pio_pads : for i in 6 to 17 generate
686 pio_pad : iopad generic map (tech => padtech)
687 port map (pio(i), gpioo.dout(i), gpioo.oen(i), gpioi.din(i));
692 ahbs : if CFG_AHBSTAT = 1 generate -- AHB status register
693 ahbstat0 : ahbstat generic map (pindex => 15, paddr => 15, pirq => 7,
694 nftslv => CFG_AHBSTATN)
695 port map (rstn, clkm, ahbmi, ahbsi, stati, apbi, apbo(15));
698 -----------------------------------------------------------------------
699 --- ETHERNET ---------------------------------------------------------
700 -----------------------------------------------------------------------
702 eth0 : if CFG_GRETH = 1 generate -- Gaisler ethernet MAC
703 e1 : grethm generic map(
704 hindex => CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_SVGA_ENABLE,
705 pindex => 13, paddr => 13, pirq => 13, memtech => memtech,
706 mdcscaler => CPU_FREQ/1000, enable_mdio => 1, fifosize => CFG_ETH_FIFO,
707 nsync => 1, edcl => CFG_DSU_ETH, edclbufsz => CFG_ETH_BUF,
708 macaddrh => CFG_ETH_ENM, macaddrl => CFG_ETH_ENL, enable_mdint => 0,
709 ipaddrh => CFG_ETH_IPM, ipaddrl => CFG_ETH_IPL, giga => CFG_GRETH1G,
711 port map( rst => rstn, clk => clkm, ahbmi => ahbmi,
712 ahbmo => ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_SVGA_ENABLE),
713 apbi => apbi, apbo => apbo(13), ethi => ethi, etho => etho);
716 ethpads : if (CFG_GRETH = 1) generate -- eth pads
717 -- emdio_pad : iopad generic map (tech => padtech)
718 -- port map (emdio, etho.mdio_o, etho.mdio_oe, ethi.mdio_i);
719 emdio_ipad : inpad generic map (tech => padtech)
720 port map (emdio_ip, ethi.mdio_i);
721 emdio_opad : outpad generic map (tech => padtech)
722 port map (emdio_op, etho.mdio_o);
723 emdio_oepad :outpad generic map (tech => padtech)
724 port map (emdio_oep, etho.mdio_oe);
725 -- etxc_pad : clkpad generic map (tech => padtech, arch => 2)
726 -- port map (etx_clk, ethi.tx_clk);
727 etxc_pad : inpad generic map (tech => padtech)
728 port map (etx_clk, etx_clk2);
730 port map (I => etx_clk2, O => ethi.tx_clk);
732 -- erxc_pad : clkpad generic map (tech => padtech, arch => 2)
733 -- port map (erx_clk, ethi.rx_clk);
734 erxc_pad : inpad generic map (tech => padtech)
735 port map (erx_clk, erx_clk2);
737 port map (I => erx_clk2, O => ethi.rx_clk);
739 erxd_pad : inpadv generic map (tech => padtech, width => 4)
740 port map (erxd, ethi.rxd(3 downto 0));
741 erxdv_pad : inpad generic map (tech => padtech)
742 port map (erx_dv, ethi.rx_dv);
743 erxer_pad : inpad generic map (tech => padtech)
744 port map (erx_er, ethi.rx_er);
745 erxco_pad : inpad generic map (tech => padtech)
746 port map (erx_col, ethi.rx_col);
747 erxcr_pad : inpad generic map (tech => padtech)
748 port map (erx_crs, ethi.rx_crs);
749 -- emdint_pad : inpad generic map (tech => padtech)
750 -- port map (emdint, ethi.mdint);
752 etxd_pad : outpadv generic map (tech => padtech, width => 4)
753 port map (etxd, etho.txd(3 downto 0));
754 etxen_pad : outpad generic map (tech => padtech)
755 port map ( etx_en, etho.tx_en);
756 etxer_pad : outpad generic map (tech => padtech)
757 port map (etx_er, etho.tx_er);
758 emdc_pad : outpad generic map (tech => padtech)
759 port map (emdc, etho.mdc);
762 -----------------------------------------------------------------------
763 --- AHB RAM ----------------------------------------------------------
764 -----------------------------------------------------------------------
766 ocram : if CFG_AHBRAMEN = 1 generate
767 ahbram0 : ahbram generic map (hindex => 7, haddr => CFG_AHBRADDR,
768 tech => CFG_MEMTECH, kbytes => CFG_AHBRSZ)
769 port map ( rstn, clkm, ahbsi, ahbso(7));
772 -----------------------------------------------------------------------
773 --- Multi-core CAN ---------------------------------------------------
774 -----------------------------------------------------------------------
776 can0 : if CFG_CAN = 1 generate
777 can0 : can_mc generic map (slvndx => 4, ioaddr => CFG_CANIO,
778 iomask => 16#FF0#, irq => CFG_CANIRQ, memtech => memtech,
779 ncores => CFG_CAN_NUM, sepirq => CFG_CANSEPIRQ)
780 port map (rstn, clkm, ahbsi, ahbso(4), can_lrx, can_ltx );
781 can_tx_pad1 : iopad generic map (tech => padtech)
782 port map (pio(5), can_ltx(0), gnd(0), gpioi.din(5));
783 can_rx_pad1 : iopad generic map (tech => padtech)
784 port map (pio(4), gnd(0), vcc(0), can_lrx(0));
785 canpas : if CFG_CAN_NUM = 2 generate
786 can_tx_pad2 : iopad generic map (tech => padtech)
787 port map (pio(2), can_ltx(1), gnd(0), gpioi.din(2));
788 can_rx_pad2 : iopad generic map (tech => padtech)
789 port map (pio(1), gnd(0), vcc(0), can_lrx(1));
793 -- standby controlled by pio(3) and pio(0)
795 -----------------------------------------------------------------------
796 --- SPACEWIRE -------------------------------------------------------
797 -----------------------------------------------------------------------
799 spw : if CFG_SPW_EN > 0 generate
800 core0: if CFG_SPW_GRSPW = 1 generate
804 core1 : if CFG_SPW_GRSPW = 2 generate
805 cgi2.pllctrl <= "00"; cgi2.pllrst <= rstraw;
806 clkgen_spw_rx : clkgen -- clock generator
807 generic map (clktech, 12, 2, 0,
809 port map (clk3, clk3, spw_clkl, spw_clkln, open, open, open, cgi2, cgo2, open, open);
812 swloop : for i in 0 to CFG_SPW_NUM-1 generate
813 core1 : if CFG_SPW_GRSPW = 2 generate
814 spw_phy0 : grspw2_phy
818 input_type => CFG_SPW_INPUT)
822 rxclkin => spw_clkln,
826 do => spwi(i).d(1 downto 0),
827 dov => spwi(i).dv(1 downto 0),
828 dconnect => spwi(i).dconnect(1 downto 0),
829 rxclko => rxclko(i));
832 sw0 : grspwm generic map(tech => memtech,
833 hindex => CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+CFG_SVGA_ENABLE+i,
834 sysfreq => CPU_FREQ, usegen => 1,
835 pindex => 10+i, paddr => 10+i, pirq => 10+i,
836 nsync => 1, rmap => CFG_SPW_RMAP, rxunaligned => CFG_SPW_RXUNAL,
837 rmapcrc => CFG_SPW_RMAPCRC, fifosize1 => CFG_SPW_AHBFIFO,
838 fifosize2 => CFG_SPW_RXFIFO, rxclkbuftype => 2, dmachan => CFG_SPW_DMACHAN,
839 rmapbufs => CFG_SPW_RMAPBUF, ft => CFG_SPW_FT, ports => CFG_SPW_PORTS,
840 spwcore => CFG_SPW_GRSPW, netlist => CFG_SPW_NETLIST,
841 rxtx_sameclk => CFG_SPW_RTSAME, input_type => CFG_SPW_INPUT,
842 output_type => CFG_SPW_OUTPUT)
843 port map(rstn, clkm, rxclko(i), rxclko(i), spw_clkl, spw_clkl, ahbmi,
844 ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+CFG_SVGA_ENABLE+i),
845 apbi, apbo(10+i), spwi(i), spwo(i));
846 spwi(i).tickin <= '0'; spwi(i).rmapen <= '1';
847 spwi(i).clkdiv10 <= conv_std_logic_vector(CPU_FREQ/10000-1, 8) when CFG_SPW_GRSPW = 1
848 else conv_std_logic_vector((25*12/20)-1, 8);
850 spwlb0 : if SPW_LOOP_BACK = 1 generate
851 core0 : if CFG_SPW_GRSPW = 1 generate
852 spwi(i).d(0) <= spwo(i).d(0); spwi(i).s(0) <= spwo(i).s(0);
854 core1 : if CFG_SPW_GRSPW = 2 generate
855 dtmp(i) <= spwo(i).d(0); stmp(i) <= spwo(i).s(0);
859 nospwlb0 : if SPW_LOOP_BACK = 0 generate
860 core0 : if CFG_SPW_GRSPW = 1 generate
861 spwi(i).d(0) <= dtmp(i); spwi(i).s(0) <= stmp(i);
863 spw_rxd_pad : inpad_ds generic map (padtech, lvds, x25v)
864 port map (spw_rxdp(i), spw_rxdn(i), dtmp(i));
865 spw_rxs_pad : inpad_ds generic map (padtech, lvds, x25v)
866 port map (spw_rxsp(i), spw_rxsn(i), stmp(i));
867 spw_txd_pad : outpad_ds generic map (padtech, lvds, x25v)
868 port map (spw_txdp(i), spw_txdn(i), spwo(i).d(0), gnd(0));
869 spw_txs_pad : outpad_ds generic map (padtech, lvds, x25v)
870 port map (spw_txsp(i), spw_txsn(i), spwo(i).s(0), gnd(0));
875 -------------------------------------------------------------------------------
876 --- USB -----------------------------------------------------------------------
877 -------------------------------------------------------------------------------
878 -- Note that the GRUSBDC and GRUSB_DCL can not be instantiated at the same
879 -- time (board has only one USB transceiver), therefore they share AHB
880 -- master/slave indexes
881 -----------------------------------------------------------------------------
883 -----------------------------------------------------------------------------
884 usbpads: if (CFG_GRUSBDC + CFG_GRUSB_DCL) /= 0 generate
885 usb_clk_pad : clkpad generic map (tech => padtech, arch => 2)
886 port map (usb_clkout, uclk);
888 usb_d_pad: iopadv generic map(tech => padtech, width => 16, slew => 1)
889 port map (usb_d, usbo.dataout, usbo.oen, usbi.datain);
891 usb_txready_pad : inpad generic map (tech => padtech)
892 port map (usb_txready,usbi.txready);
893 usb_rxvalid_pad : inpad generic map (tech => padtech)
894 port map (usb_rxvalid,usbi.rxvalid);
895 usb_rxerror_pad : inpad generic map (tech => padtech)
896 port map (usb_rxerror,usbi.rxerror);
897 usb_rxactive_pad : inpad generic map (tech => padtech)
898 port map (usb_rxactive,usbi.rxactive);
899 usb_linestate_pad : inpadv generic map (tech => padtech, width => 2)
900 port map (usb_linestate,usbi.linestate);
901 usb_vbus_pad : inpad generic map (tech => padtech)
902 port map (usb_vbus, usbi.vbusvalid);
904 usb_reset_pad : outpad generic map (tech => padtech, slew => 1)
905 port map (usb_reset,usbo.reset);
906 usb_suspend_pad : outpad generic map (tech => padtech, slew => 1)
907 port map (usb_suspend,usbo.suspendm);
908 usb_termsel_pad : outpad generic map (tech => padtech, slew => 1)
909 port map (usb_termsel,usbo.termselect);
910 usb_xcvrsel_pad : outpad generic map (tech => padtech, slew => 1)
911 port map (usb_xcvrsel,usbo.xcvrselect(0));
912 usb_txvalid_pad : outpad generic map (tech => padtech, slew => 1)
913 port map (usb_txvalid,usbo.txvalid);
914 usb_opmode_pad : outpadv generic map (tech =>padtech ,width =>2, slew =>1)
915 port map (usb_opmode,usbo.opmode);
917 usb_validh_pad:iopad generic map(tech => padtech, slew => 1)
918 port map (usb_validh, usbo.txvalidh, usbo.oen, usbi.rxvalidh);
922 -----------------------------------------------------------------------------
923 -- USB 2.0 Device Controller
924 -----------------------------------------------------------------------------
925 usbdc0: if CFG_GRUSBDC = 1 generate
928 hsindex => 5, hirq => 9, haddr => 16#004#, hmask => 16#FFC#,
929 hmindex => CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+
930 CFG_SVGA_ENABLE+CFG_SPW_NUM*CFG_SPW_EN,
931 aiface => CFG_GRUSBDC_AIFACE, uiface => 0, dwidth => CFG_GRUSBDC_DW,
932 nepi => CFG_GRUSBDC_NEPI, nepo => CFG_GRUSBDC_NEPO,
933 i0 => CFG_GRUSBDC_I0, i1 => CFG_GRUSBDC_I1,
934 i2 => CFG_GRUSBDC_I2, i3 => CFG_GRUSBDC_I3,
935 i4 => CFG_GRUSBDC_I4, i5 => CFG_GRUSBDC_I5,
936 i6 => CFG_GRUSBDC_I6, i7 => CFG_GRUSBDC_I7,
937 i8 => CFG_GRUSBDC_I8, i9 => CFG_GRUSBDC_I9,
938 i10 => CFG_GRUSBDC_I10, i11 => CFG_GRUSBDC_I11,
939 i12 => CFG_GRUSBDC_I12, i13 => CFG_GRUSBDC_I13,
940 i14 => CFG_GRUSBDC_I14, i15 => CFG_GRUSBDC_I15,
941 o0 => CFG_GRUSBDC_O0, o1 => CFG_GRUSBDC_O1,
942 o2 => CFG_GRUSBDC_O2, o3 => CFG_GRUSBDC_O3,
943 o4 => CFG_GRUSBDC_O4, o5 => CFG_GRUSBDC_O5,
944 o6 => CFG_GRUSBDC_O6, o7 => CFG_GRUSBDC_O7,
945 o8 => CFG_GRUSBDC_O8, o9 => CFG_GRUSBDC_O9,
946 o10 => CFG_GRUSBDC_O10, o11 => CFG_GRUSBDC_O11,
947 o12 => CFG_GRUSBDC_O12, o13 => CFG_GRUSBDC_O13,
948 o14 => CFG_GRUSBDC_O14, o15 => CFG_GRUSBDC_O15,
957 ahbmo => ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+
958 CFG_SVGA_ENABLE+CFG_SPW_NUM*CFG_SPW_EN),
964 -----------------------------------------------------------------------------
966 -----------------------------------------------------------------------------
967 usb_dcl0: if CFG_GRUSB_DCL = 1 generate
970 hindex => CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+
971 CFG_SVGA_ENABLE+CFG_SPW_NUM*CFG_SPW_EN,
972 memtech => memtech, uiface => 0, dwidth => CFG_GRUSB_DCL_DW)
974 uclk, usbi, usbo, clkm, rstn, ahbmi,
975 ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+CFG_SVGA_ENABLE+
976 CFG_SPW_NUM*CFG_SPW_EN));
977 end generate usb_dcl0;
979 -----------------------------------------------------------------------
980 --- AHB ATA ----------------------------------------------------------
981 -----------------------------------------------------------------------
983 ata0 : if CFG_ATA = 1 generate
986 tech => 0, fdepth => CFG_ATAFIFO,
987 mhindex => CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+
988 CFG_SVGA_ENABLE+CFG_SPW_NUM*CFG_SPW_EN+CFG_GRUSB_DCL+
990 shindex => 3, haddr => 16#A00#, hmask => 16#fff#, pirq => CFG_ATAIRQ,
991 mwdma => CFG_ATADMA, TWIDTH => 8,
992 -- PIO mode 0 settings (@100MHz clock)
993 PIO_mode0_T1 => 6, -- 70ns
994 PIO_mode0_T2 => 28, -- 290ns
995 PIO_mode0_T4 => 2, -- 30ns
996 PIO_mode0_Teoc => 23 -- 240ns ==> T0 - T1 - T2 = 600 - 70 - 290 = 240
999 rst => rstn, arst => vcc(0), clk => clkm, ahbmi => ahbmi,
1000 ahbmo => ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG+
1001 CFG_SVGA_ENABLE+CFG_SPW_NUM*CFG_SPW_EN+
1002 CFG_GRUSB_DCL+CFG_GRUSBDC),
1003 ahbsi => ahbsi, ahbso => ahbso(3), atai => idei, atao => ideo);
1005 ata_rstn_pad : outpad generic map (tech => padtech)
1006 port map (ata_rstn, ideo.rstn);
1007 ata_data_pad : iopadv generic map (tech => padtech, width => 16, oepol => 1)
1008 port map (ata_data, ideo.ddo, ideo.oen, idei.ddi);
1009 ata_da_pad : outpadv generic map (tech => padtech, width => 3)
1010 port map (ata_da, ideo.da);
1011 ata_cs0_pad : outpad generic map (tech => padtech)
1012 port map (ata_cs0, ideo.cs0);
1013 ata_cs1_pad : outpad generic map (tech => padtech)
1014 port map (ata_cs1, ideo.cs1);
1015 ata_dior_pad : outpad generic map (tech => padtech)
1016 port map (ata_dior, ideo.dior);
1017 ata_diow_pad : outpad generic map (tech => padtech)
1018 port map (ata_diow, ideo.diow);
1019 iordy_pad : inpad generic map (tech => padtech)
1020 port map (ata_iordy, idei.iordy);
1021 intrq_pad : inpad generic map (tech => padtech)
1022 port map (ata_intrq, idei.intrq);
1023 dmarq_pad : inpad generic map (tech => padtech)
1024 port map (ata_dmarq, idei.dmarq);
1025 dmack_pad : outpad generic map (tech => padtech)
1026 port map (ata_dmack, ideo.dmack);
1030 -------------------------------------------------------------------------------
1032 -------------------------------------------------------------------------------
1034 uart_en_pad : outpad generic map (tech => padtech)
1035 port map (uart_en, uart_ensig);
1037 sdcke_pad : outpad generic map (tech => padtech)
1038 port map (sdcke, sdckesig);
1041 -----------------------------------------------------------------------
1042 --- Drive unused bus elements ---------------------------------------
1043 -----------------------------------------------------------------------
1045 -- nam1 : for i in (CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG) to NAHBMST-1 generate
1046 -- ahbmo(i) <= ahbm_none;
1048 -- nap0 : for i in 11 to NAPBSLV-1 generate apbo(i) <= apb_none; end generate;
1049 -- nah0 : for i in 8 to NAHBSLV-1 generate ahbso(i) <= ahbs_none; end generate;
1051 -----------------------------------------------------------------------
1052 --- Boot message ----------------------------------------------------
1053 -----------------------------------------------------------------------
1055 -- pragma translate_off
1058 msg1 => "LEON3 GR-XC3S-1500 Demonstration design",
1059 msg2 => "GRLIB Version " & tost(LIBVHDL_VERSION/1000) & "." & tost((LIBVHDL_VERSION mod 1000)/100)
1060 & "." & tost(LIBVHDL_VERSION mod 100) & ", build " & tost(LIBVHDL_BUILD),
1061 msg3 => "Target technology: " & tech_table(fabtech) & ", memory library: " & tech_table(memtech),
1064 -- pragma translate_on