1 |
16 |
dgisselq |
////////////////////////////////////////////////////////////////////////////////
|
2 |
|
|
//
|
3 |
|
|
// Filename: qspiflash_tb.cpp
|
4 |
|
|
//
|
5 |
|
|
// Project: Wishbone Controlled Quad SPI Flash Controller
|
6 |
|
|
//
|
7 |
|
|
// Purpose: To determine whether or not the qspiflash module works. Run
|
8 |
|
|
// this with no arguments, and check whether or not the last line
|
9 |
|
|
// contains "SUCCESS" or not. If it does contain "SUCCESS", then the
|
10 |
|
|
// module passes all tests found within here.
|
11 |
|
|
//
|
12 |
|
|
// Creator: Dan Gisselquist, Ph.D.
|
13 |
|
|
// Gisselquist Technology, LLC
|
14 |
|
|
//
|
15 |
|
|
////////////////////////////////////////////////////////////////////////////////
|
16 |
|
|
//
|
17 |
|
|
// Copyright (C) 2015-2016, Gisselquist Technology, LLC
|
18 |
|
|
//
|
19 |
|
|
// This program is free software (firmware): you can redistribute it and/or
|
20 |
|
|
// modify it under the terms of the GNU General Public License as published
|
21 |
|
|
// by the Free Software Foundation, either version 3 of the License, or (at
|
22 |
|
|
// your option) any later version.
|
23 |
|
|
//
|
24 |
|
|
// This program is distributed in the hope that it will be useful, but WITHOUT
|
25 |
|
|
// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
|
26 |
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
27 |
|
|
// for more details.
|
28 |
|
|
//
|
29 |
|
|
// You should have received a copy of the GNU General Public License along
|
30 |
|
|
// with this program. (It's in the $(ROOT)/doc directory. Run make with no
|
31 |
|
|
// target there if the PDF file isn't present.) If not, see
|
32 |
|
|
// <http://www.gnu.org/licenses/> for a copy.
|
33 |
|
|
//
|
34 |
|
|
// License: GPL, v3, as defined and found on www.gnu.org,
|
35 |
|
|
// http://www.gnu.org/licenses/gpl.html
|
36 |
|
|
//
|
37 |
|
|
//
|
38 |
|
|
////////////////////////////////////////////////////////////////////////////////
|
39 |
|
|
//
|
40 |
|
|
//
|
41 |
|
|
#include "verilated.h"
|
42 |
|
|
#include "Vwbqspiflash.h"
|
43 |
|
|
#include "qspiflashsim.h"
|
44 |
|
|
#include "wbflash_tb.h"
|
45 |
|
|
|
46 |
|
|
#define QSPIFLASH 0x0400000
|
47 |
|
|
#define PARENT WBFLASH_TB<Vwbqspiflash>
|
48 |
|
|
|
49 |
|
|
class QSPIFLASH_TB : public PARENT {
|
50 |
|
|
QSPIFLASHSIM *m_flash;
|
51 |
|
|
bool m_bomb;
|
52 |
|
|
public:
|
53 |
|
|
|
54 |
|
|
QSPIFLASH_TB(void) {
|
55 |
|
|
m_core = new Vwbqspiflash;
|
56 |
|
|
m_flash= new QSPIFLASHSIM;
|
57 |
|
|
m_flash->debug(true);
|
58 |
|
|
}
|
59 |
|
|
|
60 |
|
|
unsigned operator[](const int index) { return (*m_flash)[index]; }
|
61 |
|
|
void setflash(unsigned addr, unsigned v) {
|
62 |
|
|
m_flash->set(addr, v);
|
63 |
|
|
}
|
64 |
|
|
void load(const char *fname) {
|
65 |
|
|
m_flash->load(0,fname);
|
66 |
|
|
}
|
67 |
|
|
|
68 |
|
|
void set(const unsigned addr, const unsigned val) {
|
69 |
|
|
m_flash->set(addr, val);
|
70 |
|
|
}
|
71 |
|
|
|
72 |
|
|
void tick(void) {
|
73 |
|
|
m_core->i_qspi_dat = (*m_flash)(m_core->o_qspi_cs_n,
|
74 |
|
|
m_core->o_qspi_sck, m_core->o_qspi_dat);
|
75 |
|
|
|
76 |
|
|
|
77 |
|
|
printf("%08lx-WB: %s %s/%s %s %s",
|
78 |
|
|
m_tickcount,
|
79 |
|
|
(m_core->i_wb_cyc)?"CYC":" ",
|
80 |
|
|
(m_core->i_wb_data_stb)?"DSTB":" ",
|
81 |
|
|
(m_core->i_wb_ctrl_stb)?"CSTB":" ",
|
82 |
|
|
(m_core->o_wb_stall)?"STALL":" ",
|
83 |
|
|
(m_core->o_wb_ack)?"ACK":" ");
|
84 |
|
|
printf(" %s@0x%08x[%08x/%08x]",
|
85 |
|
|
(m_core->i_wb_we)?"W":"R",
|
86 |
|
|
(m_core->i_wb_addr), (m_core->i_wb_data),
|
87 |
|
|
(m_core->o_wb_data));
|
88 |
|
|
printf(" QSPI:%x:%x/%02x/%02x/%2d",
|
89 |
|
|
m_core->i_qspi_dat, m_core->o_qspi_mod,
|
90 |
|
|
m_core->v__DOT__state,
|
91 |
|
|
m_core->v__DOT__lldriver__DOT__state,
|
92 |
|
|
m_core->v__DOT__lldriver__DOT__spi_len);
|
93 |
|
|
printf(" %08x/%08x", m_core->v__DOT__spi_in,
|
94 |
|
|
m_core->v__DOT__lldriver__DOT__r_input);
|
95 |
|
|
printf(" %d,%d,%d/%d,%08x%c",
|
96 |
|
|
m_core->v__DOT__spi_busy,
|
97 |
|
|
m_core->v__DOT__spi_valid,
|
98 |
|
|
m_core->v__DOT__spi_wr,
|
99 |
|
|
m_core->v__DOT__spi_len,
|
100 |
|
|
m_core->v__DOT__spi_out,
|
101 |
|
|
(m_core->v__DOT__write_in_progress)?'W':' ');
|
102 |
|
|
|
103 |
|
|
printf("\n");
|
104 |
|
|
|
105 |
|
|
PARENT::tick();
|
106 |
|
|
}
|
107 |
|
|
|
108 |
|
|
bool bombed(void) const { return m_bomb; }
|
109 |
|
|
|
110 |
|
|
};
|
111 |
|
|
|
112 |
|
|
#define ERASEFLAG 0x80000000
|
113 |
|
|
#define DISABLEWP 0x10000000
|
114 |
|
|
#define ENABLEWP 0x00000000
|
115 |
|
|
#define NPAGES 256
|
116 |
|
|
#define SZPAGEB 256
|
117 |
|
|
#define SZPAGEW (SZPAGEB>>2)
|
118 |
|
|
#define SECTORSZW (NPAGES * SZPAGEW)
|
119 |
|
|
#define SECTORSZB (NPAGES * SZPAGEB)
|
120 |
|
|
#define RDBUFSZ (NPAGES * SZPAGEW)
|
121 |
|
|
|
122 |
|
|
int main(int argc, char **argv) {
|
123 |
|
|
Verilated::commandArgs(argc, argv);
|
124 |
|
|
QSPIFLASH_TB *tb = new QSPIFLASH_TB;
|
125 |
|
|
const char *DEV_RANDOM = "/dev/urandom";
|
126 |
|
|
unsigned rdv;
|
127 |
|
|
unsigned *rdbuf;
|
128 |
|
|
|
129 |
|
|
tb->opentrace("qspi.vcd");
|
130 |
|
|
|
131 |
|
|
tb->load(DEV_RANDOM);
|
132 |
|
|
rdbuf = new unsigned[RDBUFSZ];
|
133 |
|
|
tb->setflash(0,0);
|
134 |
|
|
|
135 |
|
|
tb->tick();
|
136 |
|
|
rdv = tb->wb_read(0);
|
137 |
|
|
printf("READ[0] = %04x\n", rdv);
|
138 |
|
|
if (rdv != 0)
|
139 |
|
|
goto test_failure;
|
140 |
|
|
|
141 |
|
|
tb->tick();
|
142 |
|
|
if (tb->bombed())
|
143 |
|
|
goto test_failure;
|
144 |
|
|
|
145 |
|
|
for(int i=0; (i<1000)&&(!tb->bombed()); i++) {
|
146 |
|
|
unsigned tblv;
|
147 |
|
|
tblv = (*tb)[(i<<2)];
|
148 |
|
|
rdv = tb->wb_read(i<<2);
|
149 |
|
|
|
150 |
|
|
if(tblv != rdv) {
|
151 |
|
|
printf("BOMB(INITIAL/SINGLE-READ): READ[%08x] %08x, EXPECTED %08x\n",
|
152 |
|
|
(i<<2), rdv, tblv);
|
153 |
|
|
goto test_failure;
|
154 |
|
|
break;
|
155 |
|
|
} else printf("MATCH: %08x == %08x\n", rdv, tblv);
|
156 |
|
|
}
|
157 |
|
|
|
158 |
|
|
printf("SINGLE-READ TEST PASSES\n");
|
159 |
|
|
|
160 |
|
|
for(int i=0; i<1000; i++)
|
161 |
|
|
rdbuf[i] = -1;
|
162 |
|
|
tb->wb_read(1000, 1000, rdbuf);
|
163 |
|
|
if (tb->bombed())
|
164 |
|
|
goto test_failure;
|
165 |
|
|
for(int i=0; i<1000; i++) {
|
166 |
|
|
if ((*tb)[(i<<2)+1000] != rdbuf[i]) {
|
167 |
|
|
printf("BOMB: V-READ[%08x] %08x, EXPECTED %08x\n", 1000+i, rdv, (*tb)[i+1000]);
|
168 |
|
|
goto test_failure;
|
169 |
|
|
}
|
170 |
|
|
} if (tb->bombed())
|
171 |
|
|
goto test_failure;
|
172 |
|
|
printf("VECTOR TEST PASSES!\n");
|
173 |
|
|
|
174 |
|
|
// Read the status register
|
175 |
|
|
/*
|
176 |
|
|
printf("ID[%2d]-RG = %08x\n", 0, rdv = tb->wb_read(8+0));
|
177 |
|
|
if (rdv != 0x20ba1810) {
|
178 |
|
|
printf("BOMB: ID[%2d]-RG = %08x != %08x\n", 0, rdv,
|
179 |
|
|
0x20ba1810);
|
180 |
|
|
goto test_failure;
|
181 |
|
|
}
|
182 |
|
|
|
183 |
|
|
for(int i=1; i<5; i++)
|
184 |
|
|
printf("ID[%2d]-RG = %02x\n", i, tb->wb_read(8+i));
|
185 |
|
|
if (tb->bombed())
|
186 |
|
|
goto test_failure;
|
187 |
|
|
*/
|
188 |
|
|
|
189 |
|
|
|
190 |
|
|
printf("Attempting to switch in Quad mode\n");
|
191 |
|
|
// tb->wb_write(4, (tb->wb_read(4)&0x07f)); // Adjust EVconfig
|
192 |
|
|
|
193 |
|
|
for(int i=0; (i<1000)&&(!tb->bombed()); i++) {
|
194 |
|
|
unsigned tblv;
|
195 |
|
|
tblv = (*tb)[(i<<2)];
|
196 |
|
|
rdv = tb->wb_read((i<<2));
|
197 |
|
|
|
198 |
|
|
if(tblv != rdv) {
|
199 |
|
|
printf("BOMB: Q-READ/SINGLE %08x, EXPECTED %08x\n", rdv, tblv);
|
200 |
|
|
goto test_failure;
|
201 |
|
|
break;
|
202 |
|
|
} else printf("MATCH: %08x == %08x\n", rdv, tblv);
|
203 |
|
|
} tb->wb_read(1000, 1000, rdbuf);
|
204 |
|
|
if (tb->bombed())
|
205 |
|
|
goto test_failure;
|
206 |
|
|
for(int i=0; i<1000; i++) {
|
207 |
|
|
if ((*tb)[(i<<2)+1000] != rdbuf[i]) {
|
208 |
|
|
printf("BOMB: Q-READ/VECTOR %08x, EXPECTED %08x\n", rdv, (*tb)[i+1000]);
|
209 |
|
|
goto test_failure;
|
210 |
|
|
}
|
211 |
|
|
} printf("VECTOR TEST PASSES! (QUAD)\n");
|
212 |
|
|
|
213 |
|
|
printf("Attempting to switch to Quad mode with XIP\n");
|
214 |
|
|
tb->wb_write(3, tb->wb_read(3)|0x08);
|
215 |
|
|
// tb->wb_write(0, 0x22000000);
|
216 |
|
|
|
217 |
|
|
printf("Attempting to read in Quad mode, using XIP mode\n");
|
218 |
|
|
for(int i=0; (i<1000)&&(!tb->bombed()); i++) {
|
219 |
|
|
unsigned tblv;
|
220 |
|
|
tblv = (*tb)[(i<<2)];
|
221 |
|
|
rdv = tb->wb_read((i<<2));
|
222 |
|
|
|
223 |
|
|
if(tblv != rdv) {
|
224 |
|
|
printf("BOMB: Q-READ/XIP %08x, EXPECTED %08x\n", rdv, tblv);
|
225 |
|
|
goto test_failure;
|
226 |
|
|
break;
|
227 |
|
|
} else printf("MATCH: %08x == %08x\n", rdv, tblv);
|
228 |
|
|
}
|
229 |
|
|
|
230 |
|
|
// Try a vector read
|
231 |
|
|
tb->wb_read(1000, 1000, rdbuf);
|
232 |
|
|
if (tb->bombed())
|
233 |
|
|
goto test_failure;
|
234 |
|
|
for(int i=0; i<1000; i++) {
|
235 |
|
|
if ((*tb)[(i<<2)+1000] != rdbuf[i]) {
|
236 |
|
|
printf("BOMB: Q-READ/XIP/VECTOR %08x, EXPECTED %08x\n", rdv, (*tb)[i+1000]);
|
237 |
|
|
goto test_failure;
|
238 |
|
|
}
|
239 |
|
|
} printf("VECTOR TEST PASSES! (QUAD+XIP)\n");
|
240 |
|
|
|
241 |
|
|
rdbuf[0] = tb->wb_read(1023);
|
242 |
|
|
rdbuf[1] = tb->wb_read(2048);
|
243 |
|
|
|
244 |
|
|
|
245 |
|
|
// Make sure, for testing purposes, that the words preceeding the
|
246 |
|
|
// sector we are going to erase and following it don't look like they've
|
247 |
|
|
// already been erased.
|
248 |
|
|
if ((*tb)[SECTORSZW-1] == 0xffffffff)
|
249 |
|
|
tb->set(SECTORSZW, 0);
|
250 |
|
|
if ((*tb)[2*SECTORSZW] == 0xffffffff)
|
251 |
|
|
tb->set(2*SECTORSZW, 0);
|
252 |
|
|
|
253 |
|
|
printf("Turning off write-protect, calling WEL\n");
|
254 |
|
|
tb->wb_ctrl_write(0, DISABLEWP);
|
255 |
|
|
|
256 |
|
|
/*
|
257 |
|
|
if (tb->write_protect()) {
|
258 |
|
|
printf("WRITE PROTECT ISN\'T OFF YET, EVEN THOUGH WEL ISSUED\n");
|
259 |
|
|
goto test_failure;
|
260 |
|
|
} */
|
261 |
|
|
|
262 |
|
|
printf("Attempting to erase subsector 1\n");
|
263 |
|
|
tb->wb_ctrl_write(0, ERASEFLAG | (1*SECTORSZW));
|
264 |
|
|
|
265 |
|
|
/*
|
266 |
|
|
if (!tb->write_in_progress()) {
|
267 |
|
|
printf("BOMB: Write in progress is false!\n");
|
268 |
|
|
goto test_failure;
|
269 |
|
|
}
|
270 |
|
|
*/
|
271 |
|
|
|
272 |
|
|
while (tb->wb_ctrl_read(0)&ERASEFLAG)
|
273 |
|
|
;
|
274 |
|
|
|
275 |
|
|
/*
|
276 |
|
|
if (tb->write_in_progress()) {
|
277 |
|
|
printf("BOMB: No write in progress\n");
|
278 |
|
|
goto test_failure;
|
279 |
|
|
}
|
280 |
|
|
*/
|
281 |
|
|
|
282 |
|
|
printf("Checking that the erase was successful\n");
|
283 |
|
|
for(int i=SECTORSZB; i<SECTORSZB*2; i+=4) {
|
284 |
|
|
if ((*tb)[i] != 0xffffffff) {
|
285 |
|
|
printf("BOMB: Erase of [%08x] was unsuccessful, FLASH[%08x] = %08x\n", i, i, (*tb)[i]);
|
286 |
|
|
goto test_failure;
|
287 |
|
|
}
|
288 |
|
|
}
|
289 |
|
|
|
290 |
|
|
// Make sure we didn't erase anything else
|
291 |
|
|
if ((*tb)[SECTORSZB-4] == 0xffffffff) {
|
292 |
|
|
printf("BOMB: Post write check #2, the prior address changed\n");
|
293 |
|
|
goto test_failure;
|
294 |
|
|
} if ((*tb)[2*SECTORSZB] == 0xffffffff) {
|
295 |
|
|
printf("BOMB: Post write check #2, the next address changed\n");
|
296 |
|
|
goto test_failure;
|
297 |
|
|
}
|
298 |
|
|
|
299 |
|
|
if (tb->wb_read(SECTORSZB-4) != (*tb)[SECTORSZB-4]) {
|
300 |
|
|
printf("BOMB: Post write check #2, the prior address changed\n");
|
301 |
|
|
goto test_failure;
|
302 |
|
|
} if (tb->wb_read(2*SECTORSZB) != (*tb)[2*SECTORSZB]) {
|
303 |
|
|
printf("BOMB: Post write check #2, the next address changed\n");
|
304 |
|
|
goto test_failure;
|
305 |
|
|
}
|
306 |
|
|
|
307 |
|
|
|
308 |
|
|
|
309 |
|
|
printf("Test: Trying a single word write\n");
|
310 |
|
|
|
311 |
|
|
// Try to execute a single write
|
312 |
|
|
tb->wb_ctrl_write(0,DISABLEWP);
|
313 |
|
|
tb->wb_write(SECTORSZB, 0x12345678);
|
314 |
|
|
|
315 |
|
|
while (tb->wb_ctrl_read(0)&ERASEFLAG)
|
316 |
|
|
;
|
317 |
|
|
|
318 |
|
|
if (tb->wb_read(SECTORSZB) != 0x12345678) {
|
319 |
|
|
printf("BOMB: Single (not page) write result incorrect: %08x != 0x12345678\n", tb->wb_read(SECTORSZB));
|
320 |
|
|
goto test_failure;
|
321 |
|
|
}
|
322 |
|
|
|
323 |
|
|
|
324 |
|
|
// Let's load up a sectors worth of random data into our buffer
|
325 |
|
|
{
|
326 |
|
|
FILE *fp;
|
327 |
|
|
fp = fopen(DEV_RANDOM, "r");
|
328 |
|
|
assert(RDBUFSZ == fread(rdbuf, sizeof(unsigned), RDBUFSZ, fp));
|
329 |
|
|
fclose(fp);
|
330 |
|
|
rdbuf[0] = 0x12345678;
|
331 |
|
|
}
|
332 |
|
|
|
333 |
|
|
// Now, let's try writing this sector ... one page at a time.
|
334 |
|
|
for(int p=0; p<NPAGES; p++) {
|
335 |
|
|
|
336 |
|
|
printf("Writing page %d\n", p);
|
337 |
|
|
tb->wb_ctrl_write(0, DISABLEWP);
|
338 |
|
|
// if (tb->write_protect()) goto test_failure;
|
339 |
|
|
tb->wb_write(SECTORSZB+p*SZPAGEB, SZPAGEW, &rdbuf[p*SZPAGEW]);
|
340 |
|
|
|
341 |
|
|
while (tb->wb_ctrl_read(0)&ERASEFLAG)
|
342 |
|
|
;
|
343 |
|
|
|
344 |
|
|
printf("Checking page %d\n", p);
|
345 |
|
|
for(int i=0; i<SZPAGEW; i++) {
|
346 |
|
|
if (rdbuf[p*SZPAGEW+i] != (*tb)[SECTORSZB+p*SZPAGEB+(i<<2)]) {
|
347 |
|
|
printf("BOMB: Write check, Addr[%08x]\n", SECTORSZB+p*SZPAGEB+(i<<2));
|
348 |
|
|
goto test_failure;
|
349 |
|
|
}
|
350 |
|
|
}
|
351 |
|
|
}
|
352 |
|
|
|
353 |
|
|
printf("SUCCESS!!\n");
|
354 |
|
|
exit(EXIT_SUCCESS);
|
355 |
|
|
test_failure:
|
356 |
|
|
printf("FAIL-HERE\n");
|
357 |
|
|
for(int i=0; i<8; i++)
|
358 |
|
|
tb->tick();
|
359 |
|
|
printf("TEST FAILED\n");
|
360 |
|
|
exit(EXIT_FAILURE);
|
361 |
|
|
}
|