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[raggedstone] / ethernet / source / top.vhd
1 LIBRARY ieee;
2 USE ieee.std_logic_1164.ALL;
3
4 entity ethernet is
5 PORT(
6 PCI_AD : INOUT std_logic_vector(31 downto 0);
7 PCI_CLOCK : IN std_logic;
8 PCI_IDSEL : IN std_logic;
9 PCI_CBEn : INOUT std_logic_vector (3 downto 0);
10 PCI_FRAMEn : INOUT std_logic;
11 PCI_IRDYn : INOUT std_logic;
12 PCI_RSTn : INOUT std_logic;
13 PCI_DEVSELn : INOUT std_logic;
14 PCI_INTAn : INOUT std_logic;
15 PCI_PERRn : INOUT std_logic;
16 PCI_SERRn : INOUT std_logic;
17 PCI_STOPn : INOUT std_logic;
18 PCI_TRDYn : INOUT std_logic;
19 PCI_PAR : INOUT std_logic;
20 PCI_REQn : OUT std_logic;
21 PCI_GNTn : IN std_logic;
22
23 MTX_CLK_PAD_I : IN std_logic;
24 MTXD_PAD_O : OUT std_logic_vector (3 downto 0);
25 MTXEN_PAD_O : OUT std_logic;
26 MRX_CLK_PAD_I : IN std_logic;
27 MRXD_PAD_I : IN std_logic_vector (3 downto 0);
28 MRXDV_PAD_I : IN std_logic;
29 MRXERR_PAD_I : IN std_logic;
30 MCOLL_PAD_I : IN std_logic;
31 MCRS_PAD_I : IN std_logic;
32 MD_PAD_IO : INOUT std_logic;
33 MDC_PAD_O : OUT std_logic;
34
35 PHY_CLOCK : OUT std_logic;
36
37 LED_2 : OUT std_logic
38 );
39 end ethernet;
40
41 architecture ethernet_arch of ethernet is
42
43 COMPONENT eth_top
44 PORT(
45 wb_clk_i : IN std_logic;
46 wb_rst_i : IN std_logic;
47 wb_dat_i : IN std_logic_vector(31 downto 0);
48 wb_adr_i : IN std_logic_vector(11 downto 2);
49 wb_sel_i : IN std_logic_vector(3 downto 0);
50 wb_we_i : IN std_logic;
51 wb_cyc_i : IN std_logic;
52 wb_stb_i : IN std_logic;
53 m_wb_dat_i : IN std_logic_vector(31 downto 0);
54 m_wb_ack_i : IN std_logic;
55 m_wb_err_i : IN std_logic;
56 mtx_clk_pad_i : IN std_logic;
57 mrx_clk_pad_i : IN std_logic;
58 mrxd_pad_i : IN std_logic_vector(3 downto 0);
59 mrxdv_pad_i : IN std_logic;
60 mrxerr_pad_i : IN std_logic;
61 mcoll_pad_i : IN std_logic;
62 mcrs_pad_i : IN std_logic;
63 md_pad_i : IN std_logic;
64 wb_dat_o : OUT std_logic_vector(31 downto 0);
65 wb_ack_o : OUT std_logic;
66 wb_err_o : OUT std_logic;
67 m_wb_adr_o : OUT std_logic_vector(31 downto 0);
68 m_wb_sel_o : OUT std_logic_vector(3 downto 0);
69 m_wb_we_o : OUT std_logic;
70 m_wb_dat_o : OUT std_logic_vector(31 downto 0);
71 m_wb_cyc_o : OUT std_logic;
72 m_wb_stb_o : OUT std_logic;
73 mtxd_pad_o : OUT std_logic_vector(3 downto 0);
74 mtxen_pad_o : OUT std_logic;
75 mtxerr_pad_o : OUT std_logic;
76 mdc_pad_o : OUT std_logic;
77 md_pad_o : OUT std_logic;
78 md_padoe_o : OUT std_logic;
79 m_wb_cti_o : OUT std_logic_vector(2 downto 0);
80 m_wb_bte_o : OUT std_logic_vector(1 downto 0);
81 int_o : OUT std_logic
82 );
83 END COMPONENT;
84
85 COMPONENT pci_bridge32
86 PORT(
87 wb_clk_i : IN std_logic;
88 wb_rst_i : IN std_logic;
89 wb_int_i : IN std_logic;
90 wbs_adr_i : IN std_logic_vector(31 downto 0);
91 wbs_dat_i : IN std_logic_vector(31 downto 0);
92 wbs_sel_i : IN std_logic_vector(3 downto 0);
93 wbs_cyc_i : IN std_logic;
94 wbs_stb_i : IN std_logic;
95 wbs_we_i : IN std_logic;
96 wbs_cti_i : IN std_logic_vector(2 downto 0);
97 wbs_bte_i : IN std_logic_vector(1 downto 0);
98 wbm_dat_i : IN std_logic_vector(31 downto 0);
99 wbm_ack_i : IN std_logic;
100 wbm_rty_i : IN std_logic;
101 wbm_err_i : IN std_logic;
102 pci_clk_i : IN std_logic;
103 pci_rst_i : IN std_logic;
104 pci_inta_i : IN std_logic;
105 pci_gnt_i : IN std_logic;
106 pci_frame_i : IN std_logic;
107 pci_irdy_i : IN std_logic;
108 pci_idsel_i : IN std_logic;
109 pci_devsel_i : IN std_logic;
110 pci_trdy_i : IN std_logic;
111 pci_stop_i : IN std_logic;
112 pci_ad_i : IN std_logic_vector(31 downto 0);
113 pci_cbe_i : IN std_logic_vector(3 downto 0);
114 pci_par_i : IN std_logic;
115 pci_perr_i : IN std_logic;
116 wb_rst_o : OUT std_logic;
117 wb_int_o : OUT std_logic;
118 wbs_dat_o : OUT std_logic_vector(31 downto 0);
119 wbs_ack_o : OUT std_logic;
120 wbs_rty_o : OUT std_logic;
121 wbs_err_o : OUT std_logic;
122 wbm_adr_o : OUT std_logic_vector(31 downto 0);
123 wbm_dat_o : OUT std_logic_vector(31 downto 0);
124 wbm_sel_o : OUT std_logic_vector(3 downto 0);
125 wbm_cyc_o : OUT std_logic;
126 wbm_stb_o : OUT std_logic;
127 wbm_we_o : OUT std_logic;
128 wbm_cti_o : OUT std_logic_vector(2 downto 0);
129 wbm_bte_o : OUT std_logic_vector(1 downto 0);
130 pci_rst_o : OUT std_logic;
131 pci_inta_o : OUT std_logic;
132 pci_rst_oe_o : OUT std_logic;
133 pci_inta_oe_o : OUT std_logic;
134 pci_req_o : OUT std_logic;
135 pci_req_oe_o : OUT std_logic;
136 pci_frame_o : OUT std_logic;
137 pci_frame_oe_o : OUT std_logic;
138 pci_irdy_oe_o : OUT std_logic;
139 pci_devsel_oe_o : OUT std_logic;
140 pci_trdy_oe_o : OUT std_logic;
141 pci_stop_oe_o : OUT std_logic;
142 pci_ad_oe_o : OUT std_logic_vector(31 downto 0);
143 pci_cbe_oe_o : OUT std_logic_vector(3 downto 0);
144 pci_irdy_o : OUT std_logic;
145 pci_devsel_o : OUT std_logic;
146 pci_trdy_o : OUT std_logic;
147 pci_stop_o : OUT std_logic;
148 pci_ad_o : OUT std_logic_vector(31 downto 0);
149 pci_cbe_o : OUT std_logic_vector(3 downto 0);
150 pci_par_o : OUT std_logic;
151 pci_par_oe_o : OUT std_logic;
152 pci_perr_o : OUT std_logic;
153 pci_perr_oe_o : OUT std_logic;
154 pci_serr_o : OUT std_logic;
155 pci_serr_oe_o : OUT std_logic
156 );
157 END COMPONENT;
158
159 component icon
160 port (
161 control0 : out std_logic_vector(35 downto 0)
162 );
163 end component;
164
165 component ila
166 port (
167 control : in std_logic_vector(35 downto 0);
168 clk : in std_logic;
169 data : in std_logic_vector(63 downto 0);
170 trig0 : in std_logic_vector(31 downto 0)
171 );
172 end component;
173
174 signal pci_rst_o : std_logic;
175 signal pci_rst_oe_o : std_logic;
176 signal pci_inta_o : std_logic;
177 signal pci_inta_oe_o : std_logic;
178 signal pci_req_o : std_logic;
179 signal pci_req_oe_o : std_logic;
180 signal pci_frame_o : std_logic;
181 signal pci_frame_oe_o : std_logic;
182 signal pci_irdy_o : std_logic;
183 signal pci_irdy_oe_o : std_logic;
184 signal pci_devsel_o : std_logic;
185 signal pci_devsel_oe_o : std_logic;
186 signal pci_trdy_o : std_logic;
187 signal pci_trdy_oe_o : std_logic;
188 signal pci_stop_o : std_logic;
189 signal pci_stop_oe_o : std_logic;
190 signal pci_par_o : std_logic;
191 signal pci_par_oe_o : std_logic;
192 signal pci_perr_o : std_logic;
193 signal pci_perr_oe_o : std_logic;
194 signal pci_serr_o : std_logic;
195 signal pci_serr_oe_o : std_logic;
196 signal pci_ad_oe_o : std_logic_vector(31 downto 0);
197 signal pci_cbe_oe_o : std_logic_vector(3 downto 0);
198 signal pci_ad_o : std_logic_vector (31 downto 0);
199 signal pci_cbe_o : std_logic_vector (3 downto 0);
200
201 signal wb_clk_i : std_logic;
202 signal wb_rst_i : std_logic;
203 signal wb_dat_i : std_logic_vector (31 downto 0);
204 signal wb_dat_o : std_logic_vector (31 downto 0);
205 signal wb_adr_i : std_logic_vector (11 downto 2);
206 signal wb_sel_i : std_logic_vector (3 downto 0);
207 signal wb_we_i : std_logic;
208 signal wb_cyc_i : std_logic;
209 signal wb_stb_i : std_logic;
210 signal wb_ack_o : std_logic;
211 signal wb_err_o : std_logic;
212 signal m_wb_adr_o : std_logic_vector(31 downto 0);
213 signal m_wb_sel_o : std_logic_vector(3 downto 0);
214 signal m_wb_we_o : std_logic;
215 signal m_wb_dat_o : std_logic_vector(31 downto 0);
216 signal m_wb_dat_i : std_logic_vector(31 downto 0);
217 signal m_wb_cyc_o : std_logic;
218 signal m_wb_stb_o : std_logic;
219 signal m_wb_ack_i : std_logic;
220 signal m_wb_err_i : std_logic;
221 signal md_pad_o : std_logic;
222 signal md_padoe_o : std_logic;
223 signal int_o : std_logic;
224 signal wbm_adr_o : std_logic_vector(31 downto 0);
225
226 signal m_wb_cti_o : std_logic_vector(2 downto 0);
227 signal m_wb_bte_o : std_logic_vector(1 downto 0);
228
229 signal control0 : std_logic_vector(35 downto 0);
230 signal data : std_logic_vector(63 downto 0);
231 signal trig0 : std_logic_vector(31 downto 0);
232
233
234 BEGIN
235
236 PCI_RSTn <= pci_rst_o when (pci_rst_oe_o = '1') else 'Z';
237 PCI_INTAn <= pci_inta_o when (pci_inta_oe_o = '1') else 'Z';
238 PCI_REQn <= pci_req_o when (pci_req_oe_o = '1') else 'Z';
239 PCI_FRAMEn <= pci_frame_o when (pci_frame_oe_o = '1') else 'Z';
240 PCI_IRDYn <= pci_irdy_o when (pci_irdy_oe_o = '1') else 'Z';
241 PCI_DEVSELn <= pci_devsel_o when (pci_devsel_oe_o = '1') else 'Z';
242 PCI_TRDYn <= pci_trdy_o when (pci_trdy_oe_o = '1') else 'Z';
243 PCI_STOPn <= pci_stop_o when (pci_stop_oe_o = '1') else 'Z';
244 PCI_PAR <= pci_par_o when (pci_par_oe_o = '1') else 'Z';
245 PCI_PERRn <= pci_perr_o when (pci_perr_oe_o = '1') else 'Z';
246 PCI_SERRn <= pci_serr_o when (pci_serr_oe_o = '1') else 'Z';
247 MD_PAD_IO <= md_pad_o when (md_padoe_o = '1') else 'Z';
248
249 BLA1: FOR i in 31 downto 0 generate
250 PCI_AD(i) <= pci_ad_o(i) when (pci_ad_oe_o(i) = '1') else 'Z';
251 end generate;
252
253 BLA2: FOR i in 3 downto 0 generate
254 PCI_CBEn(i) <= pci_cbe_o(i) when (pci_cbe_oe_o(i) = '1') else 'Z';
255 end generate;
256
257 wb_adr_i(11 downto 8) <= (others => '0');
258 wb_adr_i(7 downto 2) <= wbm_adr_o (7 downto 2);
259
260 wb_clk_i <= PCI_CLOCK;
261 PHY_CLOCK <= PCI_CLOCK;
262
263 data(31 downto 0) <= wbm_adr_o;
264 data(40 downto 33) <= wbm_adr_o (7 downto 0);
265 data(63 downto 41) <= (others => '0');
266
267 trig0(31 downto 0) <= (
268 0 => wb_stb_i,
269 others => '0'
270 );
271
272 Inst_pci_bridge32: pci_bridge32 PORT MAP(
273 wb_clk_i => wb_clk_i ,
274 wb_rst_i => '0',
275 wb_rst_o => wb_rst_i,
276 wb_int_i => int_o,
277 -- wb_int_o => ,
278 wbs_adr_i => m_wb_adr_o ,
279 wbs_dat_i => m_wb_dat_o,
280 wbs_dat_o => m_wb_dat_i,
281 wbs_sel_i => m_wb_sel_o,
282 wbs_cyc_i => m_wb_cyc_o,
283 wbs_stb_i => m_wb_stb_o,
284 wbs_we_i => m_wb_we_o,
285 wbs_cti_i => m_wb_cti_o,
286 wbs_bte_i => m_wb_bte_o,
287 wbs_ack_o => m_wb_ack_i,
288 -- wbs_rty_o => ,
289 wbs_err_o => m_wb_err_i,
290 wbm_adr_o => wbm_adr_o,
291 wbm_dat_i => wb_dat_o,
292 wbm_dat_o => wb_dat_i,
293 wbm_sel_o => wb_sel_i,
294 wbm_cyc_o => wb_cyc_i,
295 wbm_stb_o => wb_stb_i,
296 wbm_we_o => wb_we_i,
297 -- wbm_cti_o => ,
298 -- wbm_bte_o => ,
299 wbm_ack_i => wb_ack_o ,
300 wbm_rty_i => '0',
301 wbm_err_i => wb_err_o,
302 pci_clk_i => PCI_CLOCK,
303 pci_rst_i => PCI_RSTn,
304 pci_rst_o => pci_rst_o ,
305 pci_rst_oe_o => pci_rst_oe_o,
306 pci_inta_i => PCI_INTAn,
307 pci_inta_o => pci_inta_o,
308 pci_inta_oe_o => pci_inta_oe_o,
309 pci_req_o => pci_req_o,
310 pci_req_oe_o => pci_req_oe_o,
311 pci_gnt_i => PCI_GNTn,
312 pci_frame_i => PCI_FRAMEn,
313 pci_frame_o => pci_frame_o,
314 pci_frame_oe_o => pci_frame_oe_o,
315 pci_irdy_oe_o => pci_irdy_oe_o,
316 pci_devsel_oe_o => pci_devsel_oe_o,
317 pci_trdy_oe_o => pci_trdy_oe_o,
318 pci_stop_oe_o => pci_stop_oe_o,
319 pci_ad_oe_o => pci_ad_oe_o,
320 pci_cbe_oe_o => pci_cbe_oe_o,
321 pci_irdy_i => PCI_IRDYn,
322 pci_irdy_o => pci_irdy_o,
323 pci_idsel_i => PCI_IDSEL,
324 pci_devsel_i => PCI_DEVSELn,
325 pci_devsel_o => pci_devsel_o,
326 pci_trdy_i => PCI_TRDYn,
327 pci_trdy_o => pci_trdy_o,
328 pci_stop_i => PCI_STOPn,
329 pci_stop_o => pci_stop_o,
330 pci_ad_i => PCI_AD,
331 pci_ad_o => pci_ad_o,
332 pci_cbe_i => PCI_CBEn,
333 pci_cbe_o => pci_cbe_o,
334 pci_par_i => PCI_PAR,
335 pci_par_o => pci_par_o,
336 pci_par_oe_o => pci_par_oe_o,
337 pci_perr_i => PCI_PERRn,
338 pci_perr_o => pci_perr_o,
339 pci_perr_oe_o => pci_perr_oe_o,
340 pci_serr_o => pci_serr_o,
341 pci_serr_oe_o => pci_serr_oe_o
342 );
343
344 Inst_eth_top: eth_top PORT MAP(
345 wb_clk_i => wb_clk_i ,
346 wb_rst_i => wb_rst_i ,
347 wb_dat_i => wb_dat_i ,
348 wb_dat_o => wb_dat_o ,
349 wb_adr_i => wb_adr_i ,
350 wb_sel_i => wb_sel_i ,
351 wb_we_i => wb_we_i ,
352 wb_cyc_i => wb_cyc_i ,
353 wb_stb_i => wb_stb_i,
354 wb_ack_o => wb_ack_o ,
355 wb_err_o => wb_err_o ,
356 m_wb_adr_o => m_wb_adr_o,
357 m_wb_sel_o => m_wb_sel_o,
358 m_wb_we_o => m_wb_we_o ,
359 m_wb_dat_o => m_wb_dat_o,
360 m_wb_dat_i => m_wb_dat_i,
361 m_wb_cyc_o => m_wb_cyc_o,
362 m_wb_stb_o => m_wb_stb_o,
363 m_wb_ack_i => m_wb_ack_i,
364 m_wb_err_i => m_wb_err_i,
365 mtx_clk_pad_i => MTX_CLK_PAD_I,
366 mtxd_pad_o => MTXD_PAD_O,
367 mtxen_pad_o => MTXEN_PAD_O,
368 mtxerr_pad_o => LED_2,
369 mrx_clk_pad_i => MRX_CLK_PAD_I,
370 mrxd_pad_i => MRXD_PAD_I,
371 mrxdv_pad_i => MRXDV_PAD_I,
372 mrxerr_pad_i => MRXERR_PAD_I,
373 mcoll_pad_i => MCOLL_PAD_I,
374 mcrs_pad_i => MCRS_PAD_I,
375 mdc_pad_o => MDC_PAD_O,
376 md_pad_i => MD_PAD_IO,
377 md_pad_o => md_pad_o,
378 md_padoe_o => md_padoe_o,
379 m_wb_cti_o => m_wb_cti_o,
380 m_wb_bte_o => m_wb_bte_o,
381 int_o => int_o
382 );
383
384 i_icon : icon
385 port map (
386 control0 => control0
387 );
388
389 i_ila : ila
390 port map (
391 control => control0,
392 clk => PCI_CLOCK,
393 data => data,
394 trig0 => trig0
395 );
396
397 end architecture ethernet_arch;
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