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change the generic name mbpbusy to mbpedac in implementation of srctrle_0ws
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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 BYPASS_EDAC_MEMCTRLR : STD_LOGIC := '0';
77 77 SRBANKSZ : INTEGER := 8
78 78
79 79 );
80 80 PORT (
81 81 clk : IN STD_ULOGIC;
82 82 reset : IN STD_ULOGIC;
83 83
84 84 errorn : OUT STD_ULOGIC;
85 85
86 86 -- UART AHB ---------------------------------------------------------------
87 87 ahbrxd : IN STD_ULOGIC; -- DSU rx data
88 88 ahbtxd : OUT STD_ULOGIC; -- DSU tx data
89 89
90 90 -- UART APB ---------------------------------------------------------------
91 91 urxd1 : IN STD_ULOGIC; -- UART1 rx data
92 92 utxd1 : OUT STD_ULOGIC; -- UART1 tx data
93 93
94 94 -- RAM --------------------------------------------------------------------
95 95 address : OUT STD_LOGIC_VECTOR(ADDRESS_SIZE-1 DOWNTO 0);
96 96 data : INOUT STD_LOGIC_VECTOR(31 DOWNTO 0);
97 97 nSRAM_BE0 : OUT STD_LOGIC;
98 98 nSRAM_BE1 : OUT STD_LOGIC;
99 99 nSRAM_BE2 : OUT STD_LOGIC;
100 100 nSRAM_BE3 : OUT STD_LOGIC;
101 101 nSRAM_WE : OUT STD_LOGIC;
102 102 nSRAM_CE : OUT STD_LOGIC_VECTOR(1 DOWNTO 0);
103 103 nSRAM_OE : OUT STD_LOGIC;
104 104 nSRAM_READY : IN STD_LOGIC;
105 105 SRAM_MBE : INOUT STD_LOGIC;
106 106 -- APB --------------------------------------------------------------------
107 107 apbi_ext : OUT apb_slv_in_type;
108 108 apbo_ext : IN soc_apb_slv_out_vector(NB_APB_SLAVE-1+5 DOWNTO 5);
109 109 -- AHB_Slave --------------------------------------------------------------
110 110 ahbi_s_ext : OUT ahb_slv_in_type;
111 111 ahbo_s_ext : IN soc_ahb_slv_out_vector(NB_AHB_SLAVE-1+3 DOWNTO 3);
112 112 -- AHB_Master -------------------------------------------------------------
113 113 ahbi_m_ext : OUT AHB_Mst_In_Type;
114 114 ahbo_m_ext : IN soc_ahb_mst_out_vector(NB_AHB_MASTER-1+NB_CPU DOWNTO NB_CPU)
115 115
116 116 );
117 117 END;
118 118
119 119 ARCHITECTURE Behavioral OF leon3_soc IS
120 120
121 121 -----------------------------------------------------------------------------
122 122 -- CONFIG -------------------------------------------------------------------
123 123 -----------------------------------------------------------------------------
124 124
125 125 -- Clock generator
126 126 CONSTANT CFG_CLKMUL : INTEGER := (1);
127 127 CONSTANT CFG_CLKDIV : INTEGER := (1); -- divide 50MHz by 2 to get 25MHz
128 128 CONSTANT CFG_OCLKDIV : INTEGER := (1);
129 129 CONSTANT CFG_CLK_NOFB : INTEGER := 0;
130 130 -- LEON3 processor core
131 131 CONSTANT CFG_LEON3 : INTEGER := 1;
132 132 CONSTANT CFG_NCPU : INTEGER := NB_CPU;
133 133 CONSTANT CFG_NWIN : INTEGER := (8); -- to be compatible with BCC and RCC
134 134 CONSTANT CFG_V8 : INTEGER := 0;
135 135 CONSTANT CFG_MAC : INTEGER := 0;
136 136 CONSTANT CFG_SVT : INTEGER := 0;
137 137 CONSTANT CFG_RSTADDR : INTEGER := 16#00000#;
138 138 CONSTANT CFG_LDDEL : INTEGER := (1);
139 139 CONSTANT CFG_NWP : INTEGER := (0);
140 140 CONSTANT CFG_PWD : INTEGER := 1*2;
141 141 CONSTANT CFG_FPU : INTEGER := ENABLE_FPU *(8 + 16 * FPU_NETLIST);
142 142 -- 1*(8 + 16 * 0) => grfpu-light
143 143 -- 1*(8 + 16 * 1) => netlist
144 144 -- 0*(8 + 16 * 0) => No FPU
145 145 -- 0*(8 + 16 * 1) => No FPU;
146 146 CONSTANT CFG_ICEN : INTEGER := 1;
147 147 CONSTANT CFG_ISETS : INTEGER := 1;
148 148 CONSTANT CFG_ISETSZ : INTEGER := 4;
149 149 CONSTANT CFG_ILINE : INTEGER := 4;
150 150 CONSTANT CFG_IREPL : INTEGER := 0;
151 151 CONSTANT CFG_ILOCK : INTEGER := 0;
152 152 CONSTANT CFG_ILRAMEN : INTEGER := 0;
153 153 CONSTANT CFG_ILRAMADDR : INTEGER := 16#8E#;
154 154 CONSTANT CFG_ILRAMSZ : INTEGER := 1;
155 155 CONSTANT CFG_DCEN : INTEGER := 1;
156 156 CONSTANT CFG_DSETS : INTEGER := 1;
157 157 CONSTANT CFG_DSETSZ : INTEGER := 4;
158 158 CONSTANT CFG_DLINE : INTEGER := 4;
159 159 CONSTANT CFG_DREPL : INTEGER := 0;
160 160 CONSTANT CFG_DLOCK : INTEGER := 0;
161 161 CONSTANT CFG_DSNOOP : INTEGER := 0 + 0 + 4*0;
162 162 CONSTANT CFG_DLRAMEN : INTEGER := 0;
163 163 CONSTANT CFG_DLRAMADDR : INTEGER := 16#8F#;
164 164 CONSTANT CFG_DLRAMSZ : INTEGER := 1;
165 165 CONSTANT CFG_MMUEN : INTEGER := 0;
166 166 CONSTANT CFG_ITLBNUM : INTEGER := 2;
167 167 CONSTANT CFG_DTLBNUM : INTEGER := 2;
168 168 CONSTANT CFG_TLB_TYPE : INTEGER := 1 + 0*2;
169 169 CONSTANT CFG_TLB_REP : INTEGER := 1;
170 170
171 171 CONSTANT CFG_DSU : INTEGER := ENABLE_DSU;
172 172 CONSTANT CFG_ITBSZ : INTEGER := 0;
173 173 CONSTANT CFG_ATBSZ : INTEGER := 0;
174 174
175 175 -- AMBA settings
176 176 CONSTANT CFG_DEFMST : INTEGER := (0);
177 177 CONSTANT CFG_RROBIN : INTEGER := 1;
178 178 CONSTANT CFG_SPLIT : INTEGER := 0;
179 179 CONSTANT CFG_AHBIO : INTEGER := 16#FFF#;
180 180 CONSTANT CFG_APBADDR : INTEGER := 16#800#;
181 181
182 182 -- DSU UART
183 183 CONSTANT CFG_AHB_UART : INTEGER := ENABLE_AHB_UART;
184 184
185 185 -- LEON2 memory controller
186 186 CONSTANT CFG_MCTRL_SDEN : INTEGER := 0;
187 187
188 188 -- UART 1
189 189 CONSTANT CFG_UART1_ENABLE : INTEGER := ENABLE_APB_UART;
190 190 CONSTANT CFG_UART1_FIFO : INTEGER := 1;
191 191
192 192 -- LEON3 interrupt controller
193 193 CONSTANT CFG_IRQ3_ENABLE : INTEGER := ENABLE_IRQMP;
194 194
195 195 -- Modular timer
196 196 CONSTANT CFG_GPT_ENABLE : INTEGER := ENABLE_GPT;
197 197 CONSTANT CFG_GPT_NTIM : INTEGER := (2);
198 198 CONSTANT CFG_GPT_SW : INTEGER := (8);
199 199 CONSTANT CFG_GPT_TW : INTEGER := (32);
200 200 CONSTANT CFG_GPT_IRQ : INTEGER := (8);
201 201 CONSTANT CFG_GPT_SEPIRQ : INTEGER := 1;
202 202 CONSTANT CFG_GPT_WDOGEN : INTEGER := 0;
203 203 CONSTANT CFG_GPT_WDOG : INTEGER := 16#0#;
204 204 -----------------------------------------------------------------------------
205 205
206 206 -----------------------------------------------------------------------------
207 207 -- SIGNALs
208 208 -----------------------------------------------------------------------------
209 209 CONSTANT maxahbmsp : INTEGER := CFG_NCPU + CFG_AHB_UART + NB_AHB_MASTER;
210 210 -- CLK & RST --
211 211 SIGNAL clk2x : STD_ULOGIC;
212 212 SIGNAL clkmn : STD_ULOGIC;
213 213 SIGNAL clkm : STD_ULOGIC;
214 214 SIGNAL rstn : STD_ULOGIC;
215 215 SIGNAL rstraw : STD_ULOGIC;
216 216 SIGNAL pciclk : STD_ULOGIC;
217 217 SIGNAL sdclkl : STD_ULOGIC;
218 218 SIGNAL cgi : clkgen_in_type;
219 219 SIGNAL cgo : clkgen_out_type;
220 220 --- AHB / APB
221 221 SIGNAL apbi : apb_slv_in_type;
222 222 SIGNAL apbo : apb_slv_out_vector := (OTHERS => apb_none);
223 223 SIGNAL ahbsi : ahb_slv_in_type;
224 224 SIGNAL ahbso : ahb_slv_out_vector := (OTHERS => ahbs_none);
225 225 SIGNAL ahbmi : ahb_mst_in_type;
226 226 SIGNAL ahbmo : ahb_mst_out_vector := (OTHERS => ahbm_none);
227 227 --UART
228 228 SIGNAL ahbuarti : uart_in_type;
229 229 SIGNAL ahbuarto : uart_out_type;
230 230 SIGNAL apbuarti : uart_in_type;
231 231 SIGNAL apbuarto : uart_out_type;
232 232 --MEM CTRLR
233 233 SIGNAL memi : memory_in_type;
234 234 SIGNAL memo : memory_out_type;
235 235 SIGNAL wpo : wprot_out_type;
236 236 SIGNAL sdo : sdram_out_type;
237 237 SIGNAL mbe : STD_LOGIC; -- enable memory programming
238 238 SIGNAL mbe_drive : STD_LOGIC; -- drive the MBE memory signal
239 239 SIGNAL nSRAM_CE_s : STD_LOGIC_VECTOR(1 DOWNTO 0);
240 240 SIGNAL nSRAM_OE_s : STD_LOGIC;
241 241 --IRQ
242 242 SIGNAL irqi : irq_in_vector(0 TO CFG_NCPU-1);
243 243 SIGNAL irqo : irq_out_vector(0 TO CFG_NCPU-1);
244 244 --Timer
245 245 SIGNAL gpti : gptimer_in_type;
246 246 SIGNAL gpto : gptimer_out_type;
247 247 --DSU
248 248 SIGNAL dbgi : l3_debug_in_vector(0 TO CFG_NCPU-1);
249 249 SIGNAL dbgo : l3_debug_out_vector(0 TO CFG_NCPU-1);
250 250 SIGNAL dsui : dsu_in_type;
251 251 SIGNAL dsuo : dsu_out_type;
252 252 -----------------------------------------------------------------------------
253 253
254 254
255 255 BEGIN
256 256
257 257
258 258 ----------------------------------------------------------------------
259 259 --- Reset and Clock generation -------------------------------------
260 260 ----------------------------------------------------------------------
261 261
262 262 cgi.pllctrl <= "00";
263 263 cgi.pllrst <= rstraw;
264 264
265 265 rst0 : rstgen PORT MAP (reset, clkm, cgo.clklock, rstn, rstraw);
266 266
267 267 clkgen0 : clkgen -- clock generator
268 268 GENERIC MAP (clktech, CFG_CLKMUL, CFG_CLKDIV, CFG_MCTRL_SDEN,
269 269 CFG_CLK_NOFB, 0, 0, 0, clk_freq, 0, 0, CFG_OCLKDIV)
270 270 PORT MAP (clk, clk, clkm, clkmn, clk2x, sdclkl, pciclk, cgi, cgo);
271 271
272 272 ----------------------------------------------------------------------
273 273 --- LEON3 processor / DSU / IRQ ------------------------------------
274 274 ----------------------------------------------------------------------
275 275
276 276 l3 : IF CFG_LEON3 = 1 GENERATE
277 277 cpu : FOR i IN 0 TO CFG_NCPU-1 GENERATE
278 278 leon3_non_radhard : IF IS_RADHARD = 0 GENERATE
279 279 u0 : ENTITY gaisler.leon3s -- LEON3 processor
280 280 GENERIC MAP (i, fabtech, memtech, CFG_NWIN, CFG_DSU, CFG_FPU, CFG_V8,
281 281 0, CFG_MAC, pclow, 0, CFG_NWP, CFG_ICEN, CFG_IREPL, CFG_ISETS, CFG_ILINE,
282 282 CFG_ISETSZ, CFG_ILOCK, CFG_DCEN, CFG_DREPL, CFG_DSETS, CFG_DLINE, CFG_DSETSZ,
283 283 CFG_DLOCK, CFG_DSNOOP, CFG_ILRAMEN, CFG_ILRAMSZ, CFG_ILRAMADDR, CFG_DLRAMEN,
284 284 CFG_DLRAMSZ, CFG_DLRAMADDR, CFG_MMUEN, CFG_ITLBNUM, CFG_DTLBNUM, CFG_TLB_TYPE, CFG_TLB_REP,
285 285 CFG_LDDEL, disas, CFG_ITBSZ, CFG_PWD, CFG_SVT, CFG_RSTADDR, CFG_NCPU-1)
286 286 PORT MAP (clkm, rstn, ahbmi, ahbmo(i), ahbsi, ahbso,
287 287 irqi(i), irqo(i), dbgi(i), dbgo(i));
288 288 END GENERATE leon3_non_radhard;
289 289
290 290 leon3_radhard_i : IF IS_RADHARD = 1 GENERATE
291 291 cpu : ENTITY gaisler.leon3ft
292 292 GENERIC MAP (
293 293 HINDEX => i, --: integer; --CPU_HINDEX,
294 294 FABTECH => fabtech, --CFG_TECH,
295 295 MEMTECH => memtech, --CFG_TECH,
296 296 NWINDOWS => CFG_NWIN, --CFG_NWIN,
297 297 DSU => CFG_DSU, --condSel (HAS_DEBUG, 1, 0),
298 298 FPU => CFG_FPU, --CFG_FPU,
299 299 V8 => CFG_V8, --CFG_V8,
300 300 CP => 0, --CFG_CP,
301 301 MAC => CFG_MAC, --CFG_MAC,
302 302 PCLOW => pclow, --CFG_PCLOW,
303 303 NOTAG => 0, --CFG_NOTAG,
304 304 NWP => CFG_NWP, --CFG_NWP,
305 305 ICEN => CFG_ICEN, --CFG_ICEN,
306 306 IREPL => CFG_IREPL, --CFG_IREPL,
307 307 ISETS => CFG_ISETS, --CFG_ISETS,
308 308 ILINESIZE => CFG_ILINE, --CFG_ILINE,
309 309 ISETSIZE => CFG_ISETSZ, --CFG_ISETSZ,
310 310 ISETLOCK => CFG_ILOCK, --CFG_ILOCK,
311 311 DCEN => CFG_DCEN, --CFG_DCEN,
312 312 DREPL => CFG_DREPL, --CFG_DREPL,
313 313 DSETS => CFG_DSETS, --CFG_DSETS,
314 314 DLINESIZE => CFG_DLINE, --CFG_DLINE,
315 315 DSETSIZE => CFG_DSETSZ, --CFG_DSETSZ,
316 316 DSETLOCK => CFG_DLOCK, --CFG_DLOCK,
317 317 DSNOOP => CFG_DSNOOP, --CFG_DSNOOP,
318 318 ILRAM => CFG_ILRAMEN, --CFG_ILRAMEN,
319 319 ILRAMSIZE => CFG_ILRAMSZ, --CFG_ILRAMSZ,
320 320 ILRAMSTART => CFG_ILRAMADDR, --CFG_ILRAMADDR,
321 321 DLRAM => CFG_DLRAMEN, --CFG_DLRAMEN,
322 322 DLRAMSIZE => CFG_DLRAMSZ, --CFG_DLRAMSZ,
323 323 DLRAMSTART => CFG_DLRAMADDR, --CFG_DLRAMADDR,
324 324 MMUEN => CFG_MMUEN, --CFG_MMUEN,
325 325 ITLBNUM => CFG_ITLBNUM, --CFG_ITLBNUM,
326 326 DTLBNUM => CFG_DTLBNUM, --CFG_DTLBNUM,
327 327 TLB_TYPE => CFG_TLB_TYPE, --CFG_TLB_TYPE,
328 328 TLB_REP => CFG_TLB_REP, --CFG_TLB_REP,
329 329 LDDEL => CFG_LDDEL, --CFG_LDDEL,
330 330 DISAS => disas, --condSel (SIM_ENABLED, 1, 0),
331 331 TBUF => CFG_ITBSZ, --CFG_ITBSZ,
332 332 PWD => CFG_PWD, --CFG_PWD,
333 333 SVT => CFG_SVT, --CFG_SVT,
334 334 RSTADDR => CFG_RSTADDR, --CFG_RSTADDR,
335 335 SMP => CFG_NCPU-1, --CFG_NCPU-1,
336 336 IUFT => 2, --: integer range 0 to 4;--CFG_IUFT_EN,
337 337 FPFT => 1, --: integer range 0 to 4;--CFG_FPUFT_EN,
338 338 CMFT => 1, --: integer range 0 to 1;--CFG_CACHE_FT_EN,
339 339 IUINJ => 0, --: integer; --CFG_RF_ERRINJ,
340 340 CEINJ => 0, --: integer range 0 to 3;--CFG_CACHE_ERRINJ,
341 341 CACHED => 0, --: integer; --CFG_DFIXED,
342 342 NETLIST => 0, --: integer; --CFG_LEON3_NETLIST,
343 343 SCANTEST => 0, --: integer; --CFG_SCANTEST,
344 344 MMUPGSZ => 0, --: integer range 0 to 5;--CFG_MMU_PAGE,
345 345 BP => 1) --CFG_BP
346 346 PORT MAP ( --
347 347 rstn => rstn, --rst_n,
348 348 clk => clkm, --clk,
349 349 ahbi => ahbmi, --ahbmi,
350 350 ahbo => ahbmo(i), --ahbmo(CPU_HINDEX),
351 351 ahbsi => ahbsi, --ahbsi,
352 352 ahbso => ahbso, --ahbso,
353 353 irqi => irqi(i), --irqi(CPU_HINDEX),
354 354 irqo => irqo(i), --irqo(CPU_HINDEX),
355 355 dbgi => dbgi(i), --dbgi(CPU_HINDEX),
356 356 dbgo => dbgo(i), --dbgo(CPU_HINDEX),
357 357 gclk => clkm --clk
358 358 );
359 359 END GENERATE leon3_radhard_i;
360 360
361 361 END GENERATE;
362 362 errorn_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (errorn, dbgo(0).error);
363 363
364 364 dsugen : IF CFG_DSU = 1 GENERATE
365 365 dsu0 : dsu3 -- LEON3 Debug Support Unit
366 366 GENERIC MAP (hindex => 0, -- TODO : hindex => 2
367 367 haddr => 16#900#, hmask => 16#F00#,
368 368 ncpu => CFG_NCPU, tbits => 30, tech => memtech,
369 369 irq => 0, kbytes => CFG_ATBSZ)
370 370 PORT MAP (rstn, clkm, ahbmi, ahbsi, ahbso(0),-- TODO :ahbso(2)
371 371 dbgo, dbgi, dsui, dsuo);
372 372 dsui.enable <= '1';
373 373 dsui.break <= '0';
374 374 END GENERATE;
375 375 END GENERATE;
376 376
377 377 nodsu : IF CFG_DSU = 0 GENERATE
378 378 ahbso(2) <= ahbs_none;
379 379 dsuo.tstop <= '0';
380 380 dsuo.active <= '0';
381 381 END GENERATE;
382 382
383 383 irqctrl : IF CFG_IRQ3_ENABLE /= 0 GENERATE
384 384 irqctrl0 : irqmp -- interrupt controller
385 385 GENERIC MAP (pindex => 2, paddr => 2, ncpu => CFG_NCPU)
386 386 PORT MAP (rstn, clkm, apbi, apbo(2), irqo, irqi);
387 387 END GENERATE;
388 388 irq3 : IF CFG_IRQ3_ENABLE = 0 GENERATE
389 389 x : FOR i IN 0 TO CFG_NCPU-1 GENERATE
390 390 irqi(i).irl <= "0000";
391 391 END GENERATE;
392 392 apbo(2) <= apb_none;
393 393 END GENERATE;
394 394
395 395 ----------------------------------------------------------------------
396 396 --- Memory controllers ---------------------------------------------
397 397 ----------------------------------------------------------------------
398 398 ESAMEMCT : IF USES_IAP_MEMCTRLR = 0 GENERATE
399 399 memctrlr : mctrl GENERIC MAP (
400 400 hindex => 0,
401 401 pindex => 0,
402 402 paddr => 0,
403 403 srbanks => 1
404 404 )
405 405 PORT MAP (rstn, clkm, memi, memo, ahbsi, ahbso(0), apbi, apbo(0), wpo, sdo);
406 406 memi.bexcn <= '1';
407 407 memi.brdyn <= '1';
408 408
409 409 nSRAM_CE_s <= NOT (memo.ramsn(1 DOWNTO 0));
410 410 nSRAM_OE_s <= memo.ramoen(0);
411 411 END GENERATE;
412 412
413 413 IAPMEMCT : IF USES_IAP_MEMCTRLR = 1 GENERATE
414 414 memctrlr : srctrle_0ws
415 415 GENERIC MAP(
416 416 hindex => 2, -- TODO : hindex => 0
417 417 pindex => 0,
418 418 paddr => 0,
419 419 srbanks => 2,
420 420 banksz => SRBANKSZ, --512k * 32
421 421 rmw => 1,
422 422 --Aeroflex memory generics:
423 mbpbusy => BYPASS_EDAC_MEMCTRLR,
423 mbpedac => BYPASS_EDAC_MEMCTRLR,
424 424 mprog => 1, -- program memory by default values after reset
425 425 mpsrate => 15, -- default scrub rate period
426 426 mpb2s => 14, -- default busy to scrub delay
427 427 mpapb => 1, -- instantiate apb register
428 428 mchipcnt => 2,
429 429 mpenall => 1 -- when 0 program only E1 chip, else program all dies
430 430 )
431 431 PORT MAP (
432 432 rst => rstn,
433 433 clk => clkm,
434 434 ahbsi => ahbsi,
435 435 ahbso => ahbso(2), -- TODO :ahbso(0),
436 436 apbi => apbi,
437 437 apbo => apbo(0),
438 438 sri => memi,
439 439 sro => memo,
440 440 --Aeroflex memory signals:
441 441 ucerr => OPEN, -- uncorrectable error signal
442 442 mbe => mbe, -- enable memory programming
443 443 mbe_drive => mbe_drive -- drive the MBE memory signal
444 444 );
445 445
446 446 memi.brdyn <= nSRAM_READY;
447 447
448 448 mbe_pad : iopad
449 449 GENERIC MAP(tech => padtech, oepol => USES_IAP_MEMCTRLR)
450 450 PORT MAP(pad => SRAM_MBE,
451 451 i => mbe,
452 452 en => mbe_drive,
453 453 o => memi.bexcn);
454 454
455 455 nSRAM_CE_s <= (memo.ramsn(1 DOWNTO 0));
456 456 nSRAM_OE_s <= memo.oen;
457 457
458 458 END GENERATE;
459 459
460 460
461 461 memi.writen <= '1';
462 462 memi.wrn <= "1111";
463 463 memi.bwidth <= "10";
464 464
465 465 bdr : FOR i IN 0 TO 3 GENERATE
466 466 data_pad : iopadv GENERIC MAP (tech => padtech, width => 8, oepol => USES_IAP_MEMCTRLR)
467 467 PORT MAP (
468 468 data(31-i*8 DOWNTO 24-i*8),
469 469 memo.data(31-i*8 DOWNTO 24-i*8),
470 470 memo.bdrive(i),
471 471 memi.data(31-i*8 DOWNTO 24-i*8));
472 472 END GENERATE;
473 473
474 474 addr_pad : outpadv GENERIC MAP (width => ADDRESS_SIZE, tech => padtech)
475 475 PORT MAP (address, memo.address(ADDRESS_SIZE+1 DOWNTO 2));
476 476 rams_pad : outpadv GENERIC MAP (tech => padtech, width => 2) PORT MAP (nSRAM_CE, nSRAM_CE_s);
477 477 oen_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_OE, nSRAM_OE_s);
478 478 nBWE_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_WE, memo.writen);
479 479 nBWa_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_BE0, memo.mben(3));
480 480 nBWb_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_BE1, memo.mben(2));
481 481 nBWc_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_BE2, memo.mben(1));
482 482 nBWd_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (nSRAM_BE3, memo.mben(0));
483 483
484 484
485 485
486 486 ----------------------------------------------------------------------
487 487 --- AHB CONTROLLER -------------------------------------------------
488 488 ----------------------------------------------------------------------
489 489 ahb0 : ahbctrl -- AHB arbiter/multiplexer
490 490 GENERIC MAP (defmast => CFG_DEFMST, split => CFG_SPLIT,
491 491 rrobin => CFG_RROBIN, ioaddr => CFG_AHBIO,
492 492 ioen => 0, nahbm => maxahbmsp, nahbs => 8)
493 493 PORT MAP (rstn, clkm, ahbmi, ahbmo, ahbsi, ahbso);
494 494
495 495 ----------------------------------------------------------------------
496 496 --- AHB UART -------------------------------------------------------
497 497 ----------------------------------------------------------------------
498 498 dcomgen : IF CFG_AHB_UART = 1 GENERATE
499 499 dcom0 : ahbuart
500 500 GENERIC MAP (hindex => maxahbmsp-1, pindex => 4, paddr => 4)
501 501 PORT MAP (rstn, clkm, ahbuarti, ahbuarto, apbi, apbo(4), ahbmi, ahbmo(maxahbmsp-1));
502 502 dsurx_pad : inpad GENERIC MAP (tech => padtech) PORT MAP (ahbrxd, ahbuarti.rxd);
503 503 dsutx_pad : outpad GENERIC MAP (tech => padtech) PORT MAP (ahbtxd, ahbuarto.txd);
504 504 END GENERATE;
505 505 nouah : IF CFG_AHB_UART = 0 GENERATE apbo(4) <= apb_none; END GENERATE;
506 506
507 507 ----------------------------------------------------------------------
508 508 --- APB Bridge -----------------------------------------------------
509 509 ----------------------------------------------------------------------
510 510 apb0 : apbctrl -- AHB/APB bridge
511 511 GENERIC MAP (hindex => 1, haddr => CFG_APBADDR)
512 512 PORT MAP (rstn, clkm, ahbsi, ahbso(1), apbi, apbo);
513 513
514 514 ----------------------------------------------------------------------
515 515 --- GPT Timer ------------------------------------------------------
516 516 ----------------------------------------------------------------------
517 517 gpt : IF CFG_GPT_ENABLE /= 0 GENERATE
518 518 timer0 : gptimer -- timer unit
519 519 GENERIC MAP (pindex => 3, paddr => 3, pirq => CFG_GPT_IRQ,
520 520 sepirq => CFG_GPT_SEPIRQ, sbits => CFG_GPT_SW, ntimers => CFG_GPT_NTIM,
521 521 nbits => CFG_GPT_TW)
522 522 PORT MAP (rstn, clkm, apbi, apbo(3), gpti, gpto);
523 523 gpti.dhalt <= dsuo.tstop;
524 524 gpti.extclk <= '0';
525 525 END GENERATE;
526 526 notim : IF CFG_GPT_ENABLE = 0 GENERATE apbo(3) <= apb_none; END GENERATE;
527 527
528 528
529 529 ----------------------------------------------------------------------
530 530 --- APB UART -------------------------------------------------------
531 531 ----------------------------------------------------------------------
532 532 ua1 : IF CFG_UART1_ENABLE /= 0 GENERATE
533 533 uart1 : apbuart -- UART 1
534 534 GENERIC MAP (pindex => 1, paddr => 1, pirq => 2, console => dbguart,
535 535 fifosize => CFG_UART1_FIFO)
536 536 PORT MAP (rstn, clkm, apbi, apbo(1), apbuarti, apbuarto);
537 537 apbuarti.rxd <= urxd1;
538 538 apbuarti.extclk <= '0';
539 539 utxd1 <= apbuarto.txd;
540 540 apbuarti.ctsn <= '0';
541 541 END GENERATE;
542 542 noua0 : IF CFG_UART1_ENABLE = 0 GENERATE apbo(1) <= apb_none; END GENERATE;
543 543
544 544 -------------------------------------------------------------------------------
545 545 -- AMBA BUS -------------------------------------------------------------------
546 546 -------------------------------------------------------------------------------
547 547
548 548 -- APB --------------------------------------------------------------------
549 549 apbi_ext <= apbi;
550 550 all_apb : FOR I IN 0 TO NB_APB_SLAVE-1 GENERATE
551 551 max_16_apb : IF I + 5 < 16 GENERATE
552 552 apbo(I+5) <= apbo_ext(I+5);
553 553 END GENERATE max_16_apb;
554 554 END GENERATE all_apb;
555 555 -- AHB_Slave --------------------------------------------------------------
556 556 ahbi_s_ext <= ahbsi;
557 557 all_ahbs : FOR I IN 0 TO NB_AHB_SLAVE-1 GENERATE
558 558 max_16_ahbs : IF I + 3 < 16 GENERATE
559 559 ahbso(I+3) <= ahbo_s_ext(I+3);
560 560 END GENERATE max_16_ahbs;
561 561 END GENERATE all_ahbs;
562 562 -- AHB_Master -------------------------------------------------------------
563 563 ahbi_m_ext <= ahbmi;
564 564 all_ahbm : FOR I IN 0 TO NB_AHB_MASTER-1 GENERATE
565 565 max_16_ahbm : IF I + CFG_NCPU + CFG_AHB_UART < 16 GENERATE
566 566 ahbmo(I + CFG_NCPU) <= ahbo_m_ext(I+CFG_NCPU);
567 567 END GENERATE max_16_ahbm;
568 568 END GENERATE all_ahbm;
569 569
570 570
571 571
572 END Behavioral;
572 END Behavioral; No newline at end of file
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