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1 | LIBRARY ieee; |
2 | USE ieee.std_logic_1164.ALL; |
3 | |
4 | entity ethernet is |
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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; |
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33 | MDC_PAD_O : OUT std_logic; |
34 | |
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35 | PHY_CLOCK : OUT std_logic; |
36 | |
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37 | LED_2 : OUT std_logic |
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38 | ); |
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39 | end ethernet; |
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40 | |
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41 | architecture ethernet_arch of ethernet is |
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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; |
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79 | m_wb_cti_o : OUT std_logic_vector(2 downto 0); |
80 | m_wb_bte_o : OUT std_logic_vector(1 downto 0); |
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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 | |
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159 | component icon |
160 | port ( |
161 | control0 : out std_logic_vector(35 downto 0) |
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162 | ); |
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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; |
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173 | |
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174 | component phydcm is |
175 | port ( CLKIN_IN : in std_logic; |
176 | RST_IN : in std_logic; |
177 | CLKFX_OUT : out std_logic; |
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178 | CLK0_OUT : out std_logic; |
179 | LOCKED_OUT : out std_logic); |
180 | end component; |
181 | |
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182 | signal pci_rst_o : std_logic; |
183 | signal pci_rst_oe_o : std_logic; |
184 | signal pci_inta_o : std_logic; |
185 | signal pci_inta_oe_o : std_logic; |
186 | signal pci_req_o : std_logic; |
187 | signal pci_req_oe_o : std_logic; |
188 | signal pci_frame_o : std_logic; |
189 | signal pci_frame_oe_o : std_logic; |
190 | signal pci_irdy_o : std_logic; |
191 | signal pci_irdy_oe_o : std_logic; |
192 | signal pci_devsel_o : std_logic; |
193 | signal pci_devsel_oe_o : std_logic; |
194 | signal pci_trdy_o : std_logic; |
195 | signal pci_trdy_oe_o : std_logic; |
196 | signal pci_stop_o : std_logic; |
197 | signal pci_stop_oe_o : std_logic; |
198 | signal pci_par_o : std_logic; |
199 | signal pci_par_oe_o : std_logic; |
200 | signal pci_perr_o : std_logic; |
201 | signal pci_perr_oe_o : std_logic; |
202 | signal pci_serr_o : std_logic; |
203 | signal pci_serr_oe_o : std_logic; |
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204 | signal pci_ad_oe_o : std_logic_vector(31 downto 0); |
205 | signal pci_cbe_oe_o : std_logic_vector(3 downto 0); |
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206 | signal pci_ad_o : std_logic_vector (31 downto 0); |
207 | signal pci_cbe_o : std_logic_vector (3 downto 0); |
208 | |
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209 | signal wb_clk_i : std_logic; |
210 | signal wb_rst_i : std_logic; |
211 | signal wb_dat_i : std_logic_vector (31 downto 0); |
212 | signal wb_dat_o : std_logic_vector (31 downto 0); |
213 | signal wb_adr_i : std_logic_vector (11 downto 2); |
214 | signal wb_sel_i : std_logic_vector (3 downto 0); |
215 | signal wb_we_i : std_logic; |
216 | signal wb_cyc_i : std_logic; |
217 | signal wb_stb_i : std_logic; |
218 | signal wb_ack_o : std_logic; |
219 | signal wb_err_o : std_logic; |
220 | signal m_wb_adr_o : std_logic_vector(31 downto 0); |
221 | signal m_wb_sel_o : std_logic_vector(3 downto 0); |
222 | signal m_wb_we_o : std_logic; |
223 | signal m_wb_dat_o : std_logic_vector(31 downto 0); |
224 | signal m_wb_dat_i : std_logic_vector(31 downto 0); |
225 | signal m_wb_cyc_o : std_logic; |
226 | signal m_wb_stb_o : std_logic; |
227 | signal m_wb_ack_i : std_logic; |
228 | signal m_wb_err_i : std_logic; |
229 | signal md_pad_o : std_logic; |
230 | signal md_padoe_o : std_logic; |
231 | signal int_o : std_logic; |
232 | signal wbm_adr_o : std_logic_vector(31 downto 0); |
233 | |
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234 | signal m_wb_cti_o : std_logic_vector(2 downto 0); |
235 | signal m_wb_bte_o : std_logic_vector(1 downto 0); |
236 | |
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237 | signal control0 : std_logic_vector(35 downto 0); |
238 | signal data : std_logic_vector(63 downto 0); |
239 | signal trig0 : std_logic_vector(31 downto 0); |
240 | |
241 | |
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242 | BEGIN |
243 | |
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244 | PCI_RSTn <= pci_rst_o when (pci_rst_oe_o = '1') else 'Z'; |
245 | PCI_INTAn <= pci_inta_o when (pci_inta_oe_o = '1') else 'Z'; |
246 | PCI_REQn <= pci_req_o when (pci_req_oe_o = '1') else 'Z'; |
247 | PCI_FRAMEn <= pci_frame_o when (pci_frame_oe_o = '1') else 'Z'; |
248 | PCI_IRDYn <= pci_irdy_o when (pci_irdy_oe_o = '1') else 'Z'; |
249 | PCI_DEVSELn <= pci_devsel_o when (pci_devsel_oe_o = '1') else 'Z'; |
250 | PCI_TRDYn <= pci_trdy_o when (pci_trdy_oe_o = '1') else 'Z'; |
251 | PCI_STOPn <= pci_stop_o when (pci_stop_oe_o = '1') else 'Z'; |
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252 | PCI_PAR <= pci_par_o when (pci_par_oe_o = '1') else 'Z'; |
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253 | PCI_PERRn <= pci_perr_o when (pci_perr_oe_o = '1') else 'Z'; |
254 | PCI_SERRn <= pci_serr_o when (pci_serr_oe_o = '1') else 'Z'; |
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255 | MD_PAD_IO <= md_pad_o when (md_padoe_o = '1') else 'Z'; |
256 | |
257 | BLA1: FOR i in 31 downto 0 generate |
258 | PCI_AD(i) <= pci_ad_o(i) when (pci_ad_oe_o(i) = '1') else 'Z'; |
259 | end generate; |
260 | |
261 | BLA2: FOR i in 3 downto 0 generate |
262 | PCI_CBEn(i) <= pci_cbe_o(i) when (pci_cbe_oe_o(i) = '1') else 'Z'; |
263 | end generate; |
264 | |
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265 | wb_adr_i(11 downto 8) <= (others => '0'); |
266 | wb_adr_i(7 downto 2) <= wbm_adr_o (7 downto 2); |
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267 | |
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268 | wb_clk_i <= PCI_CLOCK; |
269 | |
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270 | data(31 downto 0) <= wbm_adr_o; |
271 | data(40 downto 33) <= wbm_adr_o (7 downto 0); |
272 | data(63 downto 41) <= (others => '0'); |
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273 | |
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274 | trig0(31 downto 0) <= ( |
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275 | 0 => wb_stb_i, |
276 | others => '0' |
277 | ); |
278 | |
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279 | Inst_pci_bridge32: pci_bridge32 PORT MAP( |
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280 | wb_clk_i => wb_clk_i , |
281 | wb_rst_i => '0', |
282 | wb_rst_o => wb_rst_i, |
283 | wb_int_i => int_o, |
284 | -- wb_int_o => , |
285 | wbs_adr_i => m_wb_adr_o , |
286 | wbs_dat_i => m_wb_dat_o, |
287 | wbs_dat_o => m_wb_dat_i, |
288 | wbs_sel_i => m_wb_sel_o, |
289 | wbs_cyc_i => m_wb_cyc_o, |
290 | wbs_stb_i => m_wb_stb_o, |
291 | wbs_we_i => m_wb_we_o, |
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292 | wbs_cti_i => m_wb_cti_o, |
293 | wbs_bte_i => m_wb_bte_o, |
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294 | wbs_ack_o => m_wb_ack_i, |
295 | -- wbs_rty_o => , |
296 | wbs_err_o => m_wb_err_i, |
297 | wbm_adr_o => wbm_adr_o, |
298 | wbm_dat_i => wb_dat_o, |
299 | wbm_dat_o => wb_dat_i, |
300 | wbm_sel_o => wb_sel_i, |
301 | wbm_cyc_o => wb_cyc_i, |
302 | wbm_stb_o => wb_stb_i, |
303 | wbm_we_o => wb_we_i, |
304 | -- wbm_cti_o => , |
305 | -- wbm_bte_o => , |
306 | wbm_ack_i => wb_ack_o , |
307 | wbm_rty_i => '0', |
308 | wbm_err_i => wb_err_o, |
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309 | pci_clk_i => PCI_CLOCK, |
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310 | pci_rst_i => PCI_RSTn, |
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311 | pci_rst_o => pci_rst_o , |
312 | pci_rst_oe_o => pci_rst_oe_o, |
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313 | pci_inta_i => PCI_INTAn, |
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314 | pci_inta_o => pci_inta_o, |
315 | pci_inta_oe_o => pci_inta_oe_o, |
316 | pci_req_o => pci_req_o, |
317 | pci_req_oe_o => pci_req_oe_o, |
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318 | pci_gnt_i => PCI_GNTn, |
319 | pci_frame_i => PCI_FRAMEn, |
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320 | pci_frame_o => pci_frame_o, |
321 | pci_frame_oe_o => pci_frame_oe_o, |
322 | pci_irdy_oe_o => pci_irdy_oe_o, |
323 | pci_devsel_oe_o => pci_devsel_oe_o, |
324 | pci_trdy_oe_o => pci_trdy_oe_o, |
325 | pci_stop_oe_o => pci_stop_oe_o, |
326 | pci_ad_oe_o => pci_ad_oe_o, |
327 | pci_cbe_oe_o => pci_cbe_oe_o, |
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328 | pci_irdy_i => PCI_IRDYn, |
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329 | pci_irdy_o => pci_irdy_o, |
330 | pci_idsel_i => PCI_IDSEL, |
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331 | pci_devsel_i => PCI_DEVSELn, |
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332 | pci_devsel_o => pci_devsel_o, |
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333 | pci_trdy_i => PCI_TRDYn, |
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334 | pci_trdy_o => pci_trdy_o, |
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335 | pci_stop_i => PCI_STOPn, |
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336 | pci_stop_o => pci_stop_o, |
337 | pci_ad_i => PCI_AD, |
338 | pci_ad_o => pci_ad_o, |
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339 | pci_cbe_i => PCI_CBEn, |
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340 | pci_cbe_o => pci_cbe_o, |
341 | pci_par_i => PCI_PAR, |
342 | pci_par_o => pci_par_o, |
343 | pci_par_oe_o => pci_par_oe_o, |
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344 | pci_perr_i => PCI_PERRn, |
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345 | pci_perr_o => pci_perr_o, |
346 | pci_perr_oe_o => pci_perr_oe_o, |
347 | pci_serr_o => pci_serr_o, |
348 | pci_serr_oe_o => pci_serr_oe_o |
349 | ); |
350 | |
351 | Inst_eth_top: eth_top PORT MAP( |
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352 | wb_clk_i => wb_clk_i , |
353 | wb_rst_i => wb_rst_i , |
354 | wb_dat_i => wb_dat_i , |
355 | wb_dat_o => wb_dat_o , |
356 | wb_adr_i => wb_adr_i , |
357 | wb_sel_i => wb_sel_i , |
358 | wb_we_i => wb_we_i , |
359 | wb_cyc_i => wb_cyc_i , |
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360 | wb_stb_i => wb_stb_i, |
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361 | wb_ack_o => wb_ack_o , |
362 | wb_err_o => wb_err_o , |
363 | m_wb_adr_o => m_wb_adr_o, |
364 | m_wb_sel_o => m_wb_sel_o, |
365 | m_wb_we_o => m_wb_we_o , |
366 | m_wb_dat_o => m_wb_dat_o, |
367 | m_wb_dat_i => m_wb_dat_i, |
368 | m_wb_cyc_o => m_wb_cyc_o, |
369 | m_wb_stb_o => m_wb_stb_o, |
370 | m_wb_ack_i => m_wb_ack_i, |
371 | m_wb_err_i => m_wb_err_i, |
372 | mtx_clk_pad_i => MTX_CLK_PAD_I, |
373 | mtxd_pad_o => MTXD_PAD_O, |
374 | mtxen_pad_o => MTXEN_PAD_O, |
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375 | mtxerr_pad_o => LED_2, |
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376 | mrx_clk_pad_i => MRX_CLK_PAD_I, |
377 | mrxd_pad_i => MRXD_PAD_I, |
378 | mrxdv_pad_i => MRXDV_PAD_I, |
379 | mrxerr_pad_i => MRXERR_PAD_I, |
380 | mcoll_pad_i => MCOLL_PAD_I, |
381 | mcrs_pad_i => MCRS_PAD_I, |
382 | mdc_pad_o => MDC_PAD_O, |
383 | md_pad_i => MD_PAD_IO, |
384 | md_pad_o => md_pad_o, |
385 | md_padoe_o => md_padoe_o, |
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386 | m_wb_cti_o => m_wb_cti_o, |
387 | m_wb_bte_o => m_wb_bte_o, |
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388 | int_o => int_o |
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389 | ); |
390 | |
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391 | i_icon : icon |
392 | port map ( |
393 | control0 => control0 |
394 | ); |
395 | |
396 | i_ila : ila |
397 | port map ( |
398 | control => control0, |
399 | clk => PCI_CLOCK, |
400 | data => data, |
401 | trig0 => trig0 |
402 | ); |
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403 | |
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404 | eth_dcm : phydcm |
405 | port map ( |
406 | CLKIN_IN => PCI_CLOCK, |
407 | RST_IN => not PCI_RSTn, |
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408 | CLKFX_OUT => PHY_CLOCK, |
409 | CLK0_OUT => open, |
410 | LOCKED_OUT => open |
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411 | ); |
412 | |
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413 | end architecture ethernet_arch; |