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update leon3_soc.vhd (add "ENTITY gaisler" in front of each instantiation of leon3s and leon3ft)
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1 1 -----------------------------------------------------------------------------
2 2 -- LEON3 Demonstration design
3 3 -- Copyright (C) 2004 Jiri Gaisler, Gaisler Research
4 4 --
5 5 -- This program is free software; you can redistribute it and/or modify
6 6 -- it under the terms of the GNU General Public License as published by
7 7 -- the Free Software Foundation; either version 2 of the License, or
8 8 -- (at your option) any later version.
9 9 --
10 10 -- This program is distributed in the hope that it will be useful,
11 11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
12 12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 13 -- GNU General Public License for more details.
14 14 --
15 15 -- You should have received a copy of the GNU General Public License
16 16 -- along with this program; if not, write to the Free Software
17 17 -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 18 ------------------------------------------------------------------------------
19 19
20 20
21 21 LIBRARY ieee;
22 22 USE ieee.std_logic_1164.ALL;
23 23 LIBRARY grlib;
24 24 USE grlib.amba.ALL;
25 25 USE grlib.stdlib.ALL;
26 26 LIBRARY techmap;
27 27 USE techmap.gencomp.ALL;
28 28 LIBRARY gaisler;
29 29 USE gaisler.memctrl.ALL;
30 30 USE gaisler.leon3.ALL;
31 31 USE gaisler.uart.ALL;
32 32 USE gaisler.misc.ALL;
33 33 USE gaisler.spacewire.ALL; -- PLE
34 34 LIBRARY esa;
35 35 USE esa.memoryctrl.ALL;
36 36 LIBRARY lpp;
37 37 USE lpp.lpp_memory.ALL;
38 38 USE lpp.lpp_ad_conv.ALL;
39 39 USE lpp.lpp_lfr_pkg.ALL;
40 40 USE lpp.iir_filter.ALL;
41 41 USE lpp.general_purpose.ALL;
42 42 USE lpp.lpp_leon3_soc_pkg.ALL;
43 43 LIBRARY iap;
44 44 USE iap.memctrl.ALL;
45 45
46 46
47 47 ENTITY leon3_soc IS
48 48 GENERIC (
49 49 fabtech : INTEGER := apa3e;
50 50 memtech : INTEGER := apa3e;
51 51 padtech : INTEGER := inferred;
52 52 clktech : INTEGER := inferred;
53 53 disas : INTEGER := 0; -- Enable disassembly to console
54 54 dbguart : INTEGER := 0; -- Print UART on console
55 55 pclow : INTEGER := 2;
56 56 --
57 57 clk_freq : INTEGER := 25000; --kHz
58 58 --
59 59 IS_RADHARD : INTEGER := 0;
60 60 --
61 61 NB_CPU : INTEGER := 1;
62 62 ENABLE_FPU : INTEGER := 1;
63 63 FPU_NETLIST : INTEGER := 1;
64 64 ENABLE_DSU : INTEGER := 1;
65 65 ENABLE_AHB_UART : INTEGER := 1;
66 66 ENABLE_APB_UART : INTEGER := 1;
67 67 ENABLE_IRQMP : INTEGER := 1;
68 68 ENABLE_GPT : INTEGER := 1;
69 69 --
70 70 NB_AHB_MASTER : INTEGER := 1;
71 71 NB_AHB_SLAVE : INTEGER := 1;
72 72 NB_APB_SLAVE : INTEGER := 1;
73 73 --
74 74 ADDRESS_SIZE : INTEGER := 20;
75 75 USES_IAP_MEMCTRLR : INTEGER := 0
76 76
77 77 );
78 78 PORT (
79 79 clk : IN STD_ULOGIC;
80 80 reset : IN STD_ULOGIC;
81 81
82 82 errorn : OUT STD_ULOGIC;
83 83
84 84 -- UART AHB ---------------------------------------------------------------
85 85 ahbrxd : IN STD_ULOGIC; -- DSU rx data
86 86 ahbtxd : OUT STD_ULOGIC; -- DSU tx data
87 87
88 88 -- UART APB ---------------------------------------------------------------
89 89 urxd1 : IN STD_ULOGIC; -- UART1 rx data
90 90 utxd1 : OUT STD_ULOGIC; -- UART1 tx data
91 91
92 92 -- RAM --------------------------------------------------------------------
93 93 address : OUT STD_LOGIC_VECTOR(ADDRESS_SIZE-1 DOWNTO 0);
94 94 data : INOUT STD_LOGIC_VECTOR(31 DOWNTO 0);
95 95 nSRAM_BE0 : OUT STD_LOGIC;
96 96 nSRAM_BE1 : OUT STD_LOGIC;
97 97 nSRAM_BE2 : OUT STD_LOGIC;
98 98 nSRAM_BE3 : OUT STD_LOGIC;
99 99 nSRAM_WE : OUT STD_LOGIC;
100 100 nSRAM_CE : OUT STD_LOGIC_VECTOR(1 DOWNTO 0);
101 101 nSRAM_OE : OUT STD_LOGIC;
102 102 nSRAM_READY : IN STD_LOGIC;
103 103 SRAM_MBE : INOUT STD_LOGIC;
104 104 -- APB --------------------------------------------------------------------
105 105 apbi_ext : OUT apb_slv_in_type;
106 106 apbo_ext : IN soc_apb_slv_out_vector(NB_APB_SLAVE-1+5 DOWNTO 5);
107 107 -- AHB_Slave --------------------------------------------------------------
108 108 ahbi_s_ext : OUT ahb_slv_in_type;
109 109 ahbo_s_ext : IN soc_ahb_slv_out_vector(NB_AHB_SLAVE-1+3 DOWNTO 3);
110 110 -- AHB_Master -------------------------------------------------------------
111 111 ahbi_m_ext : OUT AHB_Mst_In_Type;
112 112 ahbo_m_ext : IN soc_ahb_mst_out_vector(NB_AHB_MASTER-1+NB_CPU DOWNTO NB_CPU)
113 113
114 114 );
115 115 END;
116 116
117 117 ARCHITECTURE Behavioral OF leon3_soc IS
118 118
119 119 -----------------------------------------------------------------------------
120 120 -- CONFIG -------------------------------------------------------------------
121 121 -----------------------------------------------------------------------------
122 122
123 123 -- Clock generator
124 124 CONSTANT CFG_CLKMUL : INTEGER := (1);
125 125 CONSTANT CFG_CLKDIV : INTEGER := (1); -- divide 50MHz by 2 to get 25MHz
126 126 CONSTANT CFG_OCLKDIV : INTEGER := (1);
127 127 CONSTANT CFG_CLK_NOFB : INTEGER := 0;
128 128 -- LEON3 processor core
129 129 CONSTANT CFG_LEON3 : INTEGER := 1;
130 130 CONSTANT CFG_NCPU : INTEGER := NB_CPU;
131 131 CONSTANT CFG_NWIN : INTEGER := (8); -- to be compatible with BCC and RCC
132 132 CONSTANT CFG_V8 : INTEGER := 0;
133 133 CONSTANT CFG_MAC : INTEGER := 0;
134 134 CONSTANT CFG_SVT : INTEGER := 0;
135 135 CONSTANT CFG_RSTADDR : INTEGER := 16#00000#;
136 136 CONSTANT CFG_LDDEL : INTEGER := (1);
137 137 CONSTANT CFG_NWP : INTEGER := (0);
138 138 CONSTANT CFG_PWD : INTEGER := 1*2;
139 139 CONSTANT CFG_FPU : INTEGER := ENABLE_FPU *(8 + 16 * FPU_NETLIST);
140 140 -- 1*(8 + 16 * 0) => grfpu-light
141 141 -- 1*(8 + 16 * 1) => netlist
142 142 -- 0*(8 + 16 * 0) => No FPU
143 143 -- 0*(8 + 16 * 1) => No FPU;
144 144 CONSTANT CFG_ICEN : INTEGER := 1;
145 145 CONSTANT CFG_ISETS : INTEGER := 1;
146 146 CONSTANT CFG_ISETSZ : INTEGER := 4;
147 147 CONSTANT CFG_ILINE : INTEGER := 4;
148 148 CONSTANT CFG_IREPL : INTEGER := 0;
149 149 CONSTANT CFG_ILOCK : INTEGER := 0;
150 150 CONSTANT CFG_ILRAMEN : INTEGER := 0;
151 151 CONSTANT CFG_ILRAMADDR : INTEGER := 16#8E#;
152 152 CONSTANT CFG_ILRAMSZ : INTEGER := 1;
153 153 CONSTANT CFG_DCEN : INTEGER := 1;
154 154 CONSTANT CFG_DSETS : INTEGER := 1;
155 155 CONSTANT CFG_DSETSZ : INTEGER := 4;
156 156 CONSTANT CFG_DLINE : INTEGER := 4;
157 157 CONSTANT CFG_DREPL : INTEGER := 0;
158 158 CONSTANT CFG_DLOCK : INTEGER := 0;
159 159 CONSTANT CFG_DSNOOP : INTEGER := 0 + 0 + 4*0;
160 160 CONSTANT CFG_DLRAMEN : INTEGER := 0;
161 161 CONSTANT CFG_DLRAMADDR : INTEGER := 16#8F#;
162 162 CONSTANT CFG_DLRAMSZ : INTEGER := 1;
163 163 CONSTANT CFG_MMUEN : INTEGER := 0;
164 164 CONSTANT CFG_ITLBNUM : INTEGER := 2;
165 165 CONSTANT CFG_DTLBNUM : INTEGER := 2;
166 166 CONSTANT CFG_TLB_TYPE : INTEGER := 1 + 0*2;
167 167 CONSTANT CFG_TLB_REP : INTEGER := 1;
168 168
169 169 CONSTANT CFG_DSU : INTEGER := ENABLE_DSU;
170 170 CONSTANT CFG_ITBSZ : INTEGER := 0;
171 171 CONSTANT CFG_ATBSZ : INTEGER := 0;
172 172
173 173 -- AMBA settings
174 174 CONSTANT CFG_DEFMST : INTEGER := (0);
175 175 CONSTANT CFG_RROBIN : INTEGER := 1;
176 176 CONSTANT CFG_SPLIT : INTEGER := 0;
177 177 CONSTANT CFG_AHBIO : INTEGER := 16#FFF#;
178 178 CONSTANT CFG_APBADDR : INTEGER := 16#800#;
179 179
180 180 -- DSU UART
181 181 CONSTANT CFG_AHB_UART : INTEGER := ENABLE_AHB_UART;
182 182
183 183 -- LEON2 memory controller
184 184 CONSTANT CFG_MCTRL_SDEN : INTEGER := 0;
185 185
186 186 -- UART 1
187 187 CONSTANT CFG_UART1_ENABLE : INTEGER := ENABLE_APB_UART;
188 188 CONSTANT CFG_UART1_FIFO : INTEGER := 1;
189 189
190 190 -- LEON3 interrupt controller
191 191 CONSTANT CFG_IRQ3_ENABLE : INTEGER := ENABLE_IRQMP;
192 192
193 193 -- Modular timer
194 194 CONSTANT CFG_GPT_ENABLE : INTEGER := ENABLE_GPT;
195 195 CONSTANT CFG_GPT_NTIM : INTEGER := (2);
196 196 CONSTANT CFG_GPT_SW : INTEGER := (8);
197 197 CONSTANT CFG_GPT_TW : INTEGER := (32);
198 198 CONSTANT CFG_GPT_IRQ : INTEGER := (8);
199 199 CONSTANT CFG_GPT_SEPIRQ : INTEGER := 1;
200 200 CONSTANT CFG_GPT_WDOGEN : INTEGER := 0;
201 201 CONSTANT CFG_GPT_WDOG : INTEGER := 16#0#;
202 202 -----------------------------------------------------------------------------
203 203
204 204 -----------------------------------------------------------------------------
205 205 -- SIGNALs
206 206 -----------------------------------------------------------------------------
207 207 CONSTANT maxahbmsp : INTEGER := CFG_NCPU + CFG_AHB_UART + NB_AHB_MASTER;
208 208 -- CLK & RST --
209 209 SIGNAL clk2x : STD_ULOGIC;
210 210 SIGNAL clkmn : STD_ULOGIC;
211 211 SIGNAL clkm : STD_ULOGIC;
212 212 SIGNAL rstn : STD_ULOGIC;
213 213 SIGNAL rstraw : STD_ULOGIC;
214 214 SIGNAL pciclk : STD_ULOGIC;
215 215 SIGNAL sdclkl : STD_ULOGIC;
216 216 SIGNAL cgi : clkgen_in_type;
217 217 SIGNAL cgo : clkgen_out_type;
218 218 --- AHB / APB
219 219 SIGNAL apbi : apb_slv_in_type;
220 220 SIGNAL apbo : apb_slv_out_vector := (OTHERS => apb_none);
221 221 SIGNAL ahbsi : ahb_slv_in_type;
222 222 SIGNAL ahbso : ahb_slv_out_vector := (OTHERS => ahbs_none);
223 223 SIGNAL ahbmi : ahb_mst_in_type;
224 224 SIGNAL ahbmo : ahb_mst_out_vector := (OTHERS => ahbm_none);
225 225 --UART
226 226 SIGNAL ahbuarti : uart_in_type;
227 227 SIGNAL ahbuarto : uart_out_type;
228 228 SIGNAL apbuarti : uart_in_type;
229 229 SIGNAL apbuarto : uart_out_type;
230 230 --MEM CTRLR
231 231 SIGNAL memi : memory_in_type;
232 232 SIGNAL memo : memory_out_type;
233 233 SIGNAL wpo : wprot_out_type;
234 234 SIGNAL sdo : sdram_out_type;
235 235 SIGNAL mbe : STD_LOGIC; -- enable memory programming
236 236 SIGNAL mbe_drive : STD_LOGIC; -- drive the MBE memory signal
237 237 SIGNAL nSRAM_CE_s : STD_LOGIC_VECTOR(1 DOWNTO 0);
238 238 SIGNAL nSRAM_OE_s : STD_LOGIC;
239 239 --IRQ
240 240 SIGNAL irqi : irq_in_vector(0 TO CFG_NCPU-1);
241 241 SIGNAL irqo : irq_out_vector(0 TO CFG_NCPU-1);
242 242 --Timer
243 243 SIGNAL gpti : gptimer_in_type;
244 244 SIGNAL gpto : gptimer_out_type;
245 245 --DSU
246 246 SIGNAL dbgi : l3_debug_in_vector(0 TO CFG_NCPU-1);
247 247 SIGNAL dbgo : l3_debug_out_vector(0 TO CFG_NCPU-1);
248 248 SIGNAL dsui : dsu_in_type;
249 249 SIGNAL dsuo : dsu_out_type;
250 250 -----------------------------------------------------------------------------
251 251
252 252
253 253 BEGIN
254 254
255 255
256 256 ----------------------------------------------------------------------
257 257 --- Reset and Clock generation -------------------------------------
258 258 ----------------------------------------------------------------------
259 259
260 260 cgi.pllctrl <= "00";
261 261 cgi.pllrst <= rstraw;
262 262
263 263 rst0 : rstgen PORT MAP (reset, clkm, cgo.clklock, rstn, rstraw);
264 264
265 265 clkgen0 : clkgen -- clock generator
266 266 GENERIC MAP (clktech, CFG_CLKMUL, CFG_CLKDIV, CFG_MCTRL_SDEN,
267 267 CFG_CLK_NOFB, 0, 0, 0, clk_freq, 0, 0, CFG_OCLKDIV)
268 268 PORT MAP (clk, clk, clkm, clkmn, clk2x, sdclkl, pciclk, cgi, cgo);
269 269
270 270 ----------------------------------------------------------------------
271 271 --- LEON3 processor / DSU / IRQ ------------------------------------
272 272 ----------------------------------------------------------------------
273 273
274 274 l3 : IF CFG_LEON3 = 1 GENERATE
275 275 cpu : FOR i IN 0 TO CFG_NCPU-1 GENERATE
276 276 leon3_non_radhard : IF IS_RADHARD = 0 GENERATE
277 u0 : leon3s -- LEON3 processor
277 u0 : ENTITY gaisler.leon3s -- LEON3 processor
278 278 GENERIC MAP (i, fabtech, memtech, CFG_NWIN, CFG_DSU, CFG_FPU, CFG_V8,
279 279 0, CFG_MAC, pclow, 0, CFG_NWP, CFG_ICEN, CFG_IREPL, CFG_ISETS, CFG_ILINE,
280 280 CFG_ISETSZ, CFG_ILOCK, CFG_DCEN, CFG_DREPL, CFG_DSETS, CFG_DLINE, CFG_DSETSZ,
281 281 CFG_DLOCK, CFG_DSNOOP, CFG_ILRAMEN, CFG_ILRAMSZ, CFG_ILRAMADDR, CFG_DLRAMEN,
282 282 CFG_DLRAMSZ, CFG_DLRAMADDR, CFG_MMUEN, CFG_ITLBNUM, CFG_DTLBNUM, CFG_TLB_TYPE, CFG_TLB_REP,
283 283 CFG_LDDEL, disas, CFG_ITBSZ, CFG_PWD, CFG_SVT, CFG_RSTADDR, CFG_NCPU-1)
284 284 PORT MAP (clkm, rstn, ahbmi, ahbmo(i), ahbsi, ahbso,
285 285 irqi(i), irqo(i), dbgi(i), dbgo(i));
286 286 END GENERATE leon3_non_radhard;
287 287
288 288 leon3_radhard_i : IF IS_RADHARD = 1 GENERATE
289 cpu : leon3ft
289 cpu : ENTITY gaisler.leon3ft
290 290 GENERIC MAP (
291 291 HINDEX => i, --: integer; --CPU_HINDEX,
292 292 FABTECH => fabtech, --CFG_TECH,
293 293 MEMTECH => memtech, --CFG_TECH,
294 294 NWINDOWS => CFG_NWIN, --CFG_NWIN,
295 295 DSU => CFG_DSU, --condSel (HAS_DEBUG, 1, 0),
296 296 FPU => CFG_FPU, --CFG_FPU,
297 297 V8 => CFG_V8, --CFG_V8,
298 298 CP => 0, --CFG_CP,
299 299 MAC => CFG_MAC, --CFG_MAC,
300 300 PCLOW => pclow, --CFG_PCLOW,
301 301 NOTAG => 0, --CFG_NOTAG,
302 302 NWP => CFG_NWP, --CFG_NWP,
303 303 ICEN => CFG_ICEN, --CFG_ICEN,
304 304 IREPL => CFG_IREPL, --CFG_IREPL,
305 305 ISETS => CFG_ISETS, --CFG_ISETS,
306 306 ILINESIZE => CFG_ILINE, --CFG_ILINE,
307 307 ISETSIZE => CFG_ISETSZ, --CFG_ISETSZ,
308 308 ISETLOCK => CFG_ILOCK, --CFG_ILOCK,
309 309 DCEN => CFG_DCEN, --CFG_DCEN,
310 310 DREPL => CFG_DREPL, --CFG_DREPL,
311 311 DSETS => CFG_DSETS, --CFG_DSETS,
312 312 DLINESIZE => CFG_DLINE, --CFG_DLINE,
313 313 DSETSIZE => CFG_DSETSZ, --CFG_DSETSZ,
314 314 DSETLOCK => CFG_DLOCK, --CFG_DLOCK,
315 315 DSNOOP => CFG_DSNOOP, --CFG_DSNOOP,
316 316 ILRAM => CFG_ILRAMEN, --CFG_ILRAMEN,
317 317 ILRAMSIZE => CFG_ILRAMSZ, --CFG_ILRAMSZ,
318 318 ILRAMSTART => CFG_ILRAMADDR, --CFG_ILRAMADDR,
319 319 DLRAM => CFG_DLRAMEN, --CFG_DLRAMEN,
320 320 DLRAMSIZE => CFG_DLRAMSZ, --CFG_DLRAMSZ,
321 321 DLRAMSTART => CFG_DLRAMADDR, --CFG_DLRAMADDR,
322 322 MMUEN => CFG_MMUEN, --CFG_MMUEN,
323 323 ITLBNUM => CFG_ITLBNUM, --CFG_ITLBNUM,
324 324 DTLBNUM => CFG_DTLBNUM, --CFG_DTLBNUM,
325 325 TLB_TYPE => CFG_TLB_TYPE, --CFG_TLB_TYPE,
326 326 TLB_REP => CFG_TLB_REP, --CFG_TLB_REP,
327 327 LDDEL => CFG_LDDEL, --CFG_LDDEL,
328 328 DISAS => disas, --condSel (SIM_ENABLED, 1, 0),
329 329 TBUF => CFG_ITBSZ, --CFG_ITBSZ,
330 330 PWD => CFG_PWD, --CFG_PWD,
331 331 SVT => CFG_SVT, --CFG_SVT,
332 332 RSTADDR => CFG_RSTADDR, --CFG_RSTADDR,
333 333 SMP => CFG_NCPU-1, --CFG_NCPU-1,
334 334 IUFT => 2, --: integer range 0 to 4;--CFG_IUFT_EN,
335 335 FPFT => 1, --: integer range 0 to 4;--CFG_FPUFT_EN,
336 336 CMFT => 1, --: integer range 0 to 1;--CFG_CACHE_FT_EN,
337 337 IUINJ => 0, --: integer; --CFG_RF_ERRINJ,
338 338 CEINJ => 0, --: integer range 0 to 3;--CFG_CACHE_ERRINJ,
339 339 CACHED => 0, --: integer; --CFG_DFIXED,
340 340 NETLIST => 0, --: integer; --CFG_LEON3_NETLIST,
341 341 SCANTEST => 0, --: integer; --CFG_SCANTEST,
342 342 MMUPGSZ => 0, --: integer range 0 to 5;--CFG_MMU_PAGE,
343 343 BP => 1) --CFG_BP
344 344 PORT MAP ( --
345 345 rstn => rstn, --rst_n,
346 346 clk => clkm, --clk,
347 347 ahbi => ahbmi, --ahbmi,
348 348 ahbo => ahbmo(i), --ahbmo(CPU_HINDEX),
349 349 ahbsi => ahbsi, --ahbsi,
350 350 ahbso => ahbso, --ahbso,
351 351 irqi => irqi(i), --irqi(CPU_HINDEX),
352 352 irqo => irqo(i), --irqo(CPU_HINDEX),
353 353 dbgi => dbgi(i), --dbgi(CPU_HINDEX),
354 354 dbgo => dbgo(i), --dbgo(CPU_HINDEX),
355 355 gclk => clkm --clk
356 356 );
357 357 END GENERATE leon3_radhard_i;
358 358
359 359 END GENERATE;
360 360 errorn_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (errorn, dbgo(0).error);
361 361
362 362 dsugen : IF CFG_DSU = 1 GENERATE
363 363 dsu0 : dsu3 -- LEON3 Debug Support Unit
364 364 GENERIC MAP (hindex => 2, haddr => 16#900#, hmask => 16#F00#,
365 365 ncpu => CFG_NCPU, tbits => 30, tech => memtech, irq => 0, kbytes => CFG_ATBSZ)
366 366 PORT MAP (rstn, clkm, ahbmi, ahbsi, ahbso(2), dbgo, dbgi, dsui, dsuo);
367 367 dsui.enable <= '1';
368 368 dsui.break <= '0';
369 369 END GENERATE;
370 370 END GENERATE;
371 371
372 372 nodsu : IF CFG_DSU = 0 GENERATE
373 373 ahbso(2) <= ahbs_none;
374 374 dsuo.tstop <= '0';
375 375 dsuo.active <= '0';
376 376 END GENERATE;
377 377
378 378 irqctrl : IF CFG_IRQ3_ENABLE /= 0 GENERATE
379 379 irqctrl0 : irqmp -- interrupt controller
380 380 GENERIC MAP (pindex => 2, paddr => 2, ncpu => CFG_NCPU)
381 381 PORT MAP (rstn, clkm, apbi, apbo(2), irqo, irqi);
382 382 END GENERATE;
383 383 irq3 : IF CFG_IRQ3_ENABLE = 0 GENERATE
384 384 x : FOR i IN 0 TO CFG_NCPU-1 GENERATE
385 385 irqi(i).irl <= "0000";
386 386 END GENERATE;
387 387 apbo(2) <= apb_none;
388 388 END GENERATE;
389 389
390 390 ----------------------------------------------------------------------
391 391 --- Memory controllers ---------------------------------------------
392 392 ----------------------------------------------------------------------
393 393 ESAMEMCT : IF USES_IAP_MEMCTRLR = 0 GENERATE
394 394 memctrlr : mctrl GENERIC MAP (
395 395 hindex => 0,
396 396 pindex => 0,
397 397 paddr => 0,
398 398 srbanks => 1
399 399 )
400 400 PORT MAP (rstn, clkm, memi, memo, ahbsi, ahbso(0), apbi, apbo(0), wpo, sdo);
401 401 memi.bexcn <= '1';
402 402 memi.brdyn <= '1';
403 403
404 404 nSRAM_CE_s <= NOT (memo.ramsn(1 DOWNTO 0));
405 405 nSRAM_OE_s <= memo.ramoen(0);
406 406 END GENERATE;
407 407
408 408 IAPMEMCT : IF USES_IAP_MEMCTRLR = 1 GENERATE
409 409 memctrlr : srctrle_0ws
410 410 GENERIC MAP(
411 411 hindex => 0,
412 412 pindex => 0,
413 413 paddr => 0,
414 414 srbanks => 2,
415 415 banksz => 8, --512k * 32
416 416 rmw => 1,
417 417 --Aeroflex memory generics:
418 418 mprog => 1, -- program memory by default values after reset
419 419 mpsrate => 12, -- default scrub rate period
420 420 mpb2s => 4, -- default busy to scrub delay
421 421 mpapb => 1, -- instantiate apb register
422 422 mchipcnt => 2,
423 423 mpenall => 1 -- when 0 program only E1 chip, else program all dies
424 424 )
425 425 PORT MAP (
426 426 rst => rstn,
427 427 clk => clkm,
428 428 ahbsi => ahbsi,
429 429 ahbso => ahbso(0),
430 430 apbi => apbi,
431 431 apbo => apbo(0),
432 432 sri => memi,
433 433 sro => memo,
434 434 --Aeroflex memory signals:
435 435 ucerr => OPEN, -- uncorrectable error signal
436 436 mbe => mbe, -- enable memory programming
437 437 mbe_drive => mbe_drive -- drive the MBE memory signal
438 438 );
439 439
440 440 memi.brdyn <= nSRAM_READY;
441 441
442 442 mbe_pad : iopad
443 443 GENERIC MAP(tech => padtech)
444 444 PORT MAP(pad => SRAM_MBE,
445 445 i => mbe,
446 446 en => mbe_drive,
447 447 o => memi.bexcn);
448 448
449 449 nSRAM_CE_s <= (memo.ramsn(1 DOWNTO 0));
450 450 nSRAM_OE_s <= memo.oen;
451 451
452 452 END GENERATE;
453 453
454 454
455 455 memi.writen <= '1';
456 456 memi.wrn <= "1111";
457 457 memi.bwidth <= "10";
458 458
459 459 bdr : FOR i IN 0 TO 3 GENERATE
460 460 data_pad : iopadv GENERIC MAP (tech => padtech, width => 8, oepol => USES_IAP_MEMCTRLR)
461 461 PORT MAP (
462 462 data(31-i*8 DOWNTO 24-i*8),
463 463 memo.data(31-i*8 DOWNTO 24-i*8),
464 464 memo.bdrive(i),
465 465 memi.data(31-i*8 DOWNTO 24-i*8));
466 466 END GENERATE;
467 467
468 468 addr_pad : outpadv GENERIC MAP (width => ADDRESS_SIZE, tech => padtech)
469 469 PORT MAP (address, memo.address(ADDRESS_SIZE+1 DOWNTO 2));
470 470 rams_pad : outpadv GENERIC MAP (tech => padtech, width => 2) PORT MAP (nSRAM_CE, nSRAM_CE_s);
471 471 oen_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_OE, nSRAM_OE_s);
472 472 nBWE_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_WE, memo.writen);
473 473 nBWa_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_BE0, memo.mben(3));
474 474 nBWb_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_BE1, memo.mben(2));
475 475 nBWc_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_BE2, memo.mben(1));
476 476 nBWd_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_BE3, memo.mben(0));
477 477
478 478
479 479
480 480 ----------------------------------------------------------------------
481 481 --- AHB CONTROLLER -------------------------------------------------
482 482 ----------------------------------------------------------------------
483 483 ahb0 : ahbctrl -- AHB arbiter/multiplexer
484 484 GENERIC MAP (defmast => CFG_DEFMST, split => CFG_SPLIT,
485 485 rrobin => CFG_RROBIN, ioaddr => CFG_AHBIO,
486 486 ioen => 0, nahbm => maxahbmsp, nahbs => 8)
487 487 PORT MAP (rstn, clkm, ahbmi, ahbmo, ahbsi, ahbso);
488 488
489 489 ----------------------------------------------------------------------
490 490 --- AHB UART -------------------------------------------------------
491 491 ----------------------------------------------------------------------
492 492 dcomgen : IF CFG_AHB_UART = 1 GENERATE
493 493 dcom0 : ahbuart
494 494 GENERIC MAP (hindex => maxahbmsp-1, pindex => 4, paddr => 4)
495 495 PORT MAP (rstn, clkm, ahbuarti, ahbuarto, apbi, apbo(4), ahbmi, ahbmo(maxahbmsp-1));
496 496 dsurx_pad : inpad GENERIC MAP (tech => padtech) PORT MAP (ahbrxd, ahbuarti.rxd);
497 497 dsutx_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (ahbtxd, ahbuarto.txd);
498 498 END GENERATE;
499 499 nouah : IF CFG_AHB_UART = 0 GENERATE apbo(4) <= apb_none; END GENERATE;
500 500
501 501 ----------------------------------------------------------------------
502 502 --- APB Bridge -----------------------------------------------------
503 503 ----------------------------------------------------------------------
504 504 apb0 : apbctrl -- AHB/APB bridge
505 505 GENERIC MAP (hindex => 1, haddr => CFG_APBADDR)
506 506 PORT MAP (rstn, clkm, ahbsi, ahbso(1), apbi, apbo);
507 507
508 508 ----------------------------------------------------------------------
509 509 --- GPT Timer ------------------------------------------------------
510 510 ----------------------------------------------------------------------
511 511 gpt : IF CFG_GPT_ENABLE /= 0 GENERATE
512 512 timer0 : gptimer -- timer unit
513 513 GENERIC MAP (pindex => 3, paddr => 3, pirq => CFG_GPT_IRQ,
514 514 sepirq => CFG_GPT_SEPIRQ, sbits => CFG_GPT_SW, ntimers => CFG_GPT_NTIM,
515 515 nbits => CFG_GPT_TW)
516 516 PORT MAP (rstn, clkm, apbi, apbo(3), gpti, gpto);
517 517 gpti.dhalt <= dsuo.tstop;
518 518 gpti.extclk <= '0';
519 519 END GENERATE;
520 520 notim : IF CFG_GPT_ENABLE = 0 GENERATE apbo(3) <= apb_none; END GENERATE;
521 521
522 522
523 523 ----------------------------------------------------------------------
524 524 --- APB UART -------------------------------------------------------
525 525 ----------------------------------------------------------------------
526 526 ua1 : IF CFG_UART1_ENABLE /= 0 GENERATE
527 527 uart1 : apbuart -- UART 1
528 528 GENERIC MAP (pindex => 1, paddr => 1, pirq => 2, console => dbguart,
529 529 fifosize => CFG_UART1_FIFO)
530 530 PORT MAP (rstn, clkm, apbi, apbo(1), apbuarti, apbuarto);
531 531 apbuarti.rxd <= urxd1;
532 532 apbuarti.extclk <= '0';
533 533 utxd1 <= apbuarto.txd;
534 534 apbuarti.ctsn <= '0';
535 535 END GENERATE;
536 536 noua0 : IF CFG_UART1_ENABLE = 0 GENERATE apbo(1) <= apb_none; END GENERATE;
537 537
538 538 -------------------------------------------------------------------------------
539 539 -- AMBA BUS -------------------------------------------------------------------
540 540 -------------------------------------------------------------------------------
541 541
542 542 -- APB --------------------------------------------------------------------
543 543 apbi_ext <= apbi;
544 544 all_apb : FOR I IN 0 TO NB_APB_SLAVE-1 GENERATE
545 545 max_16_apb : IF I + 5 < 16 GENERATE
546 546 apbo(I+5) <= apbo_ext(I+5);
547 547 END GENERATE max_16_apb;
548 548 END GENERATE all_apb;
549 549 -- AHB_Slave --------------------------------------------------------------
550 550 ahbi_s_ext <= ahbsi;
551 551 all_ahbs : FOR I IN 0 TO NB_AHB_SLAVE-1 GENERATE
552 552 max_16_ahbs : IF I + 3 < 16 GENERATE
553 553 ahbso(I+3) <= ahbo_s_ext(I+3);
554 554 END GENERATE max_16_ahbs;
555 555 END GENERATE all_ahbs;
556 556 -- AHB_Master -------------------------------------------------------------
557 557 ahbi_m_ext <= ahbmi;
558 558 all_ahbm : FOR I IN 0 TO NB_AHB_MASTER-1 GENERATE
559 559 max_16_ahbm : IF I + CFG_NCPU + CFG_AHB_UART < 16 GENERATE
560 560 ahbmo(I + CFG_NCPU) <= ahbo_m_ext(I+CFG_NCPU);
561 561 END GENERATE max_16_ahbm;
562 562 END GENERATE all_ahbm;
563 563
564 564
565 565
566 END Behavioral; No newline at end of file
566 END Behavioral;
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