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11#include <common.h>
12#include <command.h>
13#include <asm/global_data.h>
14
15#include <asm/immap_8xx.h>
16#include <asm/cpm_8xx.h>
17#include <asm/iopin_8xx.h>
18#include <asm/io.h>
19
20DECLARE_GLOBAL_DATA_PTR;
21
22static int do_siuinfo(struct cmd_tbl *cmdtp, int flag, int argc,
23 char *const argv[])
24{
25 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
26 sysconf8xx_t __iomem *sc = &immap->im_siu_conf;
27
28 printf("SIUMCR= %08x SYPCR = %08x\n",
29 in_be32(&sc->sc_siumcr), in_be32(&sc->sc_sypcr));
30 printf("SWT = %08x\n", in_be32(&sc->sc_swt));
31 printf("SIPEND= %08x SIMASK= %08x\n",
32 in_be32(&sc->sc_sipend), in_be32(&sc->sc_simask));
33 printf("SIEL = %08x SIVEC = %08x\n",
34 in_be32(&sc->sc_siel), in_be32(&sc->sc_sivec));
35 printf("TESR = %08x SDCR = %08x\n",
36 in_be32(&sc->sc_tesr), in_be32(&sc->sc_sdcr));
37 return 0;
38}
39
40static int do_memcinfo(struct cmd_tbl *cmdtp, int flag, int argc,
41 char *const argv[])
42{
43 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
44 memctl8xx_t __iomem *memctl = &immap->im_memctl;
45 int nbanks = 8;
46 uint __iomem *p = &memctl->memc_br0;
47 int i;
48
49 for (i = 0; i < nbanks; i++, p += 2)
50 printf("BR%-2d = %08x OR%-2d = %08x\n",
51 i, in_be32(p), i, in_be32(p + 1));
52
53 printf("MAR = %08x", in_be32(&memctl->memc_mar));
54 printf(" MCR = %08x\n", in_be32(&memctl->memc_mcr));
55 printf("MAMR = %08x MBMR = %08x",
56 in_be32(&memctl->memc_mamr), in_be32(&memctl->memc_mbmr));
57 printf("\nMSTAT = %04x\n", in_be16(&memctl->memc_mstat));
58 printf("MPTPR = %04x MDR = %08x\n",
59 in_be16(&memctl->memc_mptpr), in_be32(&memctl->memc_mdr));
60 return 0;
61}
62
63static int do_carinfo(struct cmd_tbl *cmdtp, int flag, int argc,
64 char *const argv[])
65{
66 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
67 car8xx_t __iomem *car = &immap->im_clkrst;
68
69 printf("SCCR = %08x\n", in_be32(&car->car_sccr));
70 printf("PLPRCR= %08x\n", in_be32(&car->car_plprcr));
71 printf("RSR = %08x\n", in_be32(&car->car_rsr));
72 return 0;
73}
74
75static int counter;
76
77static void header(void)
78{
79 char *data = "\
80 -------------------------------- --------------------------------\
81 00000000001111111111222222222233 00000000001111111111222222222233\
82 01234567890123456789012345678901 01234567890123456789012345678901\
83 -------------------------------- --------------------------------\
84 ";
85 int i;
86
87 if (counter % 2)
88 putc('\n');
89 counter = 0;
90
91 for (i = 0; i < 4; i++, data += 79)
92 printf("%.79s\n", data);
93}
94
95static void binary(char *label, uint value, int nbits)
96{
97 uint mask = 1 << (nbits - 1);
98 int i, second = (counter++ % 2);
99
100 if (second)
101 putc(' ');
102 puts(label);
103 for (i = 32 + 1; i != nbits; i--)
104 putc(' ');
105
106 while (mask != 0) {
107 if (value & mask)
108 putc('1');
109 else
110 putc('0');
111 mask >>= 1;
112 }
113
114 if (second)
115 putc('\n');
116}
117
118#define PA_NBITS 16
119#define PA_NB_ODR 8
120#define PB_NBITS 18
121#define PB_NB_ODR 16
122#define PC_NBITS 12
123#define PD_NBITS 13
124
125static int do_iopinfo(struct cmd_tbl *cmdtp, int flag, int argc,
126 char *const argv[])
127{
128 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
129 iop8xx_t __iomem *iop = &immap->im_ioport;
130 ushort __iomem *l, *r;
131 uint __iomem *R;
132
133 counter = 0;
134 header();
135
136
137
138
139
140 l = &iop->iop_padir;
141 R = &immap->im_cpm.cp_pbdir;
142 binary("PA_DIR", in_be16(l++), PA_NBITS);
143 binary("PB_DIR", in_be32(R++), PB_NBITS);
144 binary("PA_PAR", in_be16(l++), PA_NBITS);
145 binary("PB_PAR", in_be32(R++), PB_NBITS);
146 binary("PA_ODR", in_be16(l++), PA_NB_ODR);
147 binary("PB_ODR", in_be32(R++), PB_NB_ODR);
148 binary("PA_DAT", in_be16(l++), PA_NBITS);
149 binary("PB_DAT", in_be32(R++), PB_NBITS);
150
151 header();
152
153
154
155
156
157 l = &iop->iop_pcdir;
158 r = &iop->iop_pddir;
159 binary("PC_DIR", in_be16(l++), PC_NBITS);
160 binary("PD_DIR", in_be16(r++), PD_NBITS);
161 binary("PC_PAR", in_be16(l++), PC_NBITS);
162 binary("PD_PAR", in_be16(r++), PD_NBITS);
163 binary("PC_SO ", in_be16(l++), PC_NBITS);
164 binary(" ", 0, 0);
165 r++;
166 binary("PC_DAT", in_be16(l++), PC_NBITS);
167 binary("PD_DAT", in_be16(r++), PD_NBITS);
168 binary("PC_INT", in_be16(l++), PC_NBITS);
169
170 header();
171 return 0;
172}
173
174
175
176
177
178
179static int do_iopset(struct cmd_tbl *cmdtp, int flag, int argc,
180 char *const argv[])
181{
182 uint rcode = 0;
183 iopin_t iopin;
184 static uint port;
185 static uint pin;
186 static uint value;
187 static enum {
188 DIR,
189 PAR,
190 SOR,
191 ODR,
192 DAT,
193 INT
194 } cmd = DAT;
195
196 if (argc != 5) {
197 puts("iopset PORT PIN CMD VALUE\n");
198 return 1;
199 }
200 port = argv[1][0] - 'A';
201 if (port > 3)
202 port -= 0x20;
203 if (port > 3)
204 rcode = 1;
205 pin = simple_strtol(argv[2], NULL, 10);
206 if (pin > 31)
207 rcode = 1;
208
209
210 switch (argv[3][0]) {
211 case 'd':
212 if (argv[3][1] == 'a')
213 cmd = DAT;
214 else if (argv[3][1] == 'i')
215 cmd = DIR;
216 else
217 rcode = 1;
218 break;
219 case 'p':
220 cmd = PAR;
221 break;
222 case 'o':
223 cmd = ODR;
224 break;
225 case 's':
226 cmd = SOR;
227 break;
228 case 'i':
229 cmd = INT;
230 break;
231 default:
232 printf("iopset: unknown command %s\n", argv[3]);
233 rcode = 1;
234 }
235 if (argv[4][0] == '1')
236 value = 1;
237 else if (argv[4][0] == '0')
238 value = 0;
239 else
240 rcode = 1;
241 if (rcode == 0) {
242 iopin.port = port;
243 iopin.pin = pin;
244 iopin.flag = 0;
245 switch (cmd) {
246 case DIR:
247 if (value)
248 iopin_set_out(&iopin);
249 else
250 iopin_set_in(&iopin);
251 break;
252 case PAR:
253 if (value)
254 iopin_set_ded(&iopin);
255 else
256 iopin_set_gen(&iopin);
257 break;
258 case SOR:
259 if (value)
260 iopin_set_opt2(&iopin);
261 else
262 iopin_set_opt1(&iopin);
263 break;
264 case ODR:
265 if (value)
266 iopin_set_odr(&iopin);
267 else
268 iopin_set_act(&iopin);
269 break;
270 case DAT:
271 if (value)
272 iopin_set_high(&iopin);
273 else
274 iopin_set_low(&iopin);
275 break;
276 case INT:
277 if (value)
278 iopin_set_falledge(&iopin);
279 else
280 iopin_set_anyedge(&iopin);
281 break;
282 }
283 }
284 return rcode;
285}
286
287static void prbrg(int n, uint val)
288{
289 uint extc = (val >> 14) & 3;
290 uint cd = (val & CPM_BRG_CD_MASK) >> 1;
291 uint div16 = (val & CPM_BRG_DIV16) != 0;
292
293 ulong clock = gd->cpu_clk;
294
295 printf("BRG%d:", n);
296
297 if (val & CPM_BRG_RST)
298 puts(" RESET");
299 else
300 puts(" ");
301
302 if (val & CPM_BRG_EN)
303 puts(" ENABLED");
304 else
305 puts(" DISABLED");
306
307 printf(" EXTC=%d", extc);
308
309 if (val & CPM_BRG_ATB)
310 puts(" ATB");
311 else
312 puts(" ");
313
314 printf(" DIVIDER=%4d", cd);
315 if (extc == 0 && cd != 0) {
316 uint baudrate;
317
318 if (div16)
319 baudrate = (clock / 16) / (cd + 1);
320 else
321 baudrate = clock / (cd + 1);
322
323 printf("=%6d bps", baudrate);
324 } else {
325 puts(" ");
326 }
327
328 if (val & CPM_BRG_DIV16)
329 puts(" DIV16");
330 else
331 puts(" ");
332
333 putc('\n');
334}
335
336static int do_brginfo(struct cmd_tbl *cmdtp, int flag, int argc,
337 char *const argv[])
338{
339 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
340 cpm8xx_t __iomem *cp = &immap->im_cpm;
341 uint __iomem *p = &cp->cp_brgc1;
342 int i = 1;
343
344 while (i <= 4)
345 prbrg(i++, in_be32(p++));
346
347 return 0;
348}
349
350#ifdef CONFIG_CMD_REGINFO
351void print_reginfo(void)
352{
353 immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
354 sit8xx_t __iomem *timers = &immap->im_sit;
355
356 printf("\nSystem Configuration registers\n"
357 "\tIMMR\t0x%08X\n", get_immr());
358 do_siuinfo(NULL, 0, 0, NULL);
359
360 printf("Memory Controller Registers\n");
361 do_memcinfo(NULL, 0, 0, NULL);
362
363 printf("\nSystem Integration Timers\n");
364 printf("\tTBSCR\t0x%04X\tRTCSC\t0x%04X\n",
365 in_be16(&timers->sit_tbscr), in_be16(&timers->sit_rtcsc));
366 printf("\tPISCR\t0x%04X\n", in_be16(&timers->sit_piscr));
367}
368#endif
369
370
371
372U_BOOT_CMD(
373 siuinfo, 1, 1, do_siuinfo,
374 "print System Interface Unit (SIU) registers",
375 ""
376);
377
378U_BOOT_CMD(
379 memcinfo, 1, 1, do_memcinfo,
380 "print Memory Controller registers",
381 ""
382);
383
384U_BOOT_CMD(
385 carinfo, 1, 1, do_carinfo,
386 "print Clocks and Reset registers",
387 ""
388);
389
390U_BOOT_CMD(
391 iopinfo, 1, 1, do_iopinfo,
392 "print I/O Port registers",
393 ""
394);
395
396U_BOOT_CMD(
397 iopset, 5, 0, do_iopset,
398 "set I/O Port registers",
399 "PORT PIN CMD VALUE\nPORT: A-D, PIN: 0-31, CMD: [dat|dir|odr|sor], VALUE: 0|1"
400);
401
402U_BOOT_CMD(
403 brginfo, 1, 1, do_brginfo,
404 "print Baud Rate Generator (BRG) registers",
405 ""
406);
407
