]> git.ipfire.org Git - people/ms/u-boot.git/blob - drivers/pcmcia/i82365.c
projects / people / ms / u-boot.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / drivers / pcmcia / i82365.c
1 /*
2 * (C) Copyright 2003-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 *
23 ********************************************************************
24 *
25 * Lots of code copied from:
26 *
27 * i82365.c 1.352 - Linux driver for Intel 82365 and compatible
28 * PC Card controllers, and Yenta-compatible PCI-to-CardBus controllers.
29 * (C) 1999 David A. Hinds <dahinds@users.sourceforge.net>
30 */
31
32 #include <common.h>
33
34 #include <command.h>
35 #include <pci.h>
36 #include <pcmcia.h>
37 #include <asm/io.h>
38
39 #include <pcmcia/ss.h>
40 #include <pcmcia/i82365.h>
41 #include <pcmcia/yenta.h>
42 #ifdef CONFIG_CPC45
43 #include <pcmcia/cirrus.h>
44 #else
45 #include <pcmcia/ti113x.h>
46 #endif
47
48 static struct pci_device_id supported[] = {
49 #ifdef CONFIG_CPC45
50 {PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6729},
51 #else
52 {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510},
53 #endif
54 {0, 0}
55 };
56
57 #define CYCLE_TIME 120
58
59 #ifdef CONFIG_CPC45
60 extern int SPD67290Init (void);
61 #endif
62
63 #ifdef DEBUG
64 static void i82365_dump_regions (pci_dev_t dev);
65 #endif
66
67 typedef struct socket_info_t {
68 pci_dev_t dev;
69 u_short bcr;
70 u_char pci_lat, cb_lat, sub_bus, cache;
71 u_int cb_phys;
72
73 socket_cap_t cap;
74 u_short type;
75 u_int flags;
76 #ifdef CONFIG_CPC45
77 cirrus_state_t c_state;
78 #else
79 ti113x_state_t state;
80 #endif
81 } socket_info_t;
82
83 #ifdef CONFIG_CPC45
84 /* These definitions must match the pcic table! */
85 typedef enum pcic_id {
86 IS_PD6710, IS_PD672X, IS_VT83C469
87 } pcic_id;
88
89 typedef struct pcic_t {
90 char *name;
91 } pcic_t;
92
93 static pcic_t pcic[] = {
94 {" Cirrus PD6710: "},
95 {" Cirrus PD672x: "},
96 {" VIA VT83C469: "},
97 };
98 #endif
99
100 static socket_info_t socket;
101 static socket_state_t state;
102 static struct pccard_mem_map mem;
103 static struct pccard_io_map io;
104
105 /*====================================================================*/
106
107 /* Some PCI shortcuts */
108
109 static int pci_readb (socket_info_t * s, int r, u_char * v)
110 {
111 return pci_read_config_byte (s->dev, r, v);
112 }
113 static int pci_writeb (socket_info_t * s, int r, u_char v)
114 {
115 return pci_write_config_byte (s->dev, r, v);
116 }
117 static int pci_readw (socket_info_t * s, int r, u_short * v)
118 {
119 return pci_read_config_word (s->dev, r, v);
120 }
121 static int pci_writew (socket_info_t * s, int r, u_short v)
122 {
123 return pci_write_config_word (s->dev, r, v);
124 }
125 #ifndef CONFIG_CPC45
126 static int pci_readl (socket_info_t * s, int r, u_int * v)
127 {
128 return pci_read_config_dword (s->dev, r, v);
129 }
130 static int pci_writel (socket_info_t * s, int r, u_int v)
131 {
132 return pci_write_config_dword (s->dev, r, v);
133 }
134 #endif /* !CONFIG_CPC45 */
135
136 /*====================================================================*/
137
138 #ifdef CONFIG_CPC45
139
140 #define cb_readb(s) readb((s)->cb_phys + 1)
141 #define cb_writeb(s, v) writeb(v, (s)->cb_phys)
142 #define cb_writeb2(s, v) writeb(v, (s)->cb_phys + 1)
143 #define cb_readl(s, r) readl((s)->cb_phys + (r))
144 #define cb_writel(s, r, v) writel(v, (s)->cb_phys + (r))
145
146
147 static u_char i365_get (socket_info_t * s, u_short reg)
148 {
149 u_char val;
150 #ifdef CONFIG_PCMCIA_SLOT_A
151 int slot = 0;
152 #else
153 int slot = 1;
154 #endif
155
156 val = I365_REG (slot, reg);
157
158 cb_writeb (s, val);
159 val = cb_readb (s);
160
161 debug ("i365_get slot:%x reg: %x val: %x\n", slot, reg, val);
162 return val;
163 }
164
165 static void i365_set (socket_info_t * s, u_short reg, u_char data)
166 {
167 #ifdef CONFIG_PCMCIA_SLOT_A
168 int slot = 0;
169 #else
170 int slot = 1;
171 #endif
172 u_char val;
173
174 val = I365_REG (slot, reg);
175
176 cb_writeb (s, val);
177 cb_writeb2 (s, data);
178
179 debug ("i365_set slot:%x reg: %x data:%x\n", slot, reg, data);
180 }
181
182 #else /* ! CONFIG_CPC45 */
183
184 #define cb_readb(s, r) readb((s)->cb_phys + (r))
185 #define cb_readl(s, r) readl((s)->cb_phys + (r))
186 #define cb_writeb(s, r, v) writeb(v, (s)->cb_phys + (r))
187 #define cb_writel(s, r, v) writel(v, (s)->cb_phys + (r))
188
189 static u_char i365_get (socket_info_t * s, u_short reg)
190 {
191 return cb_readb (s, 0x0800 + reg);
192 }
193
194 static void i365_set (socket_info_t * s, u_short reg, u_char data)
195 {
196 cb_writeb (s, 0x0800 + reg, data);
197 }
198 #endif /* CONFIG_CPC45 */
199
200 static void i365_bset (socket_info_t * s, u_short reg, u_char mask)
201 {
202 i365_set (s, reg, i365_get (s, reg) | mask);
203 }
204
205 static void i365_bclr (socket_info_t * s, u_short reg, u_char mask)
206 {
207 i365_set (s, reg, i365_get (s, reg) & ~mask);
208 }
209
210 #if 0 /* not used */
211 static void i365_bflip (socket_info_t * s, u_short reg, u_char mask, int b)
212 {
213 u_char d = i365_get (s, reg);
214
215 i365_set (s, reg, (b) ? (d | mask) : (d & ~mask));
216 }
217
218 static u_short i365_get_pair (socket_info_t * s, u_short reg)
219 {
220 return (i365_get (s, reg) + (i365_get (s, reg + 1) << 8));
221 }
222 #endif /* not used */
223
224 static void i365_set_pair (socket_info_t * s, u_short reg, u_short data)
225 {
226 i365_set (s, reg, data & 0xff);
227 i365_set (s, reg + 1, data >> 8);
228 }
229
230 #ifdef CONFIG_CPC45
231 /*======================================================================
232
233 Code to save and restore global state information for Cirrus
234 PD67xx controllers, and to set and report global configuration
235 options.
236
237 ======================================================================*/
238
239 #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
240
241 static void cirrus_get_state (socket_info_t * s)
242 {
243 int i;
244 cirrus_state_t *p = &s->c_state;
245
246 p->misc1 = i365_get (s, PD67_MISC_CTL_1);
247 p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
248 p->misc2 = i365_get (s, PD67_MISC_CTL_2);
249 for (i = 0; i < 6; i++)
250 p->timer[i] = i365_get (s, PD67_TIME_SETUP (0) + i);
251
252 }
253
254 static void cirrus_set_state (socket_info_t * s)
255 {
256 int i;
257 u_char misc;
258 cirrus_state_t *p = &s->c_state;
259
260 misc = i365_get (s, PD67_MISC_CTL_2);
261 i365_set (s, PD67_MISC_CTL_2, p->misc2);
262 if (misc & PD67_MC2_SUSPEND)
263 udelay (50000);
264 misc = i365_get (s, PD67_MISC_CTL_1);
265 misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
266 i365_set (s, PD67_MISC_CTL_1, misc | p->misc1);
267 for (i = 0; i < 6; i++)
268 i365_set (s, PD67_TIME_SETUP (0) + i, p->timer[i]);
269 }
270
271 static u_int cirrus_set_opts (socket_info_t * s)
272 {
273 cirrus_state_t *p = &s->c_state;
274 u_int mask = 0xffff;
275 #if DEBUG
276 char buf[200];
277
278 memset (buf, 0, 200);
279 #endif
280
281 if (has_ring == -1)
282 has_ring = 1;
283 flip (p->misc2, PD67_MC2_IRQ15_RI, has_ring);
284 flip (p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
285 #if DEBUG
286 if (p->misc2 & PD67_MC2_IRQ15_RI)
287 strcat (buf, " [ring]");
288 if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
289 strcat (buf, " [dyn mode]");
290 if (p->misc1 & PD67_MC1_INPACK_ENA)
291 strcat (buf, " [inpack]");
292 #endif
293
294 if (p->misc2 & PD67_MC2_IRQ15_RI)
295 mask &= ~0x8000;
296 if (has_led > 0) {
297 #if DEBUG
298 strcat (buf, " [led]");
299 #endif
300 mask &= ~0x1000;
301 }
302 if (has_dma > 0) {
303 #if DEBUG
304 strcat (buf, " [dma]");
305 #endif
306 mask &= ~0x0600;
307 flip (p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
308 #if DEBUG
309 if (p->misc2 & PD67_MC2_FREQ_BYPASS)
310 strcat (buf, " [freq bypass]");
311 #endif
312 }
313
314 if (setup_time >= 0)
315 p->timer[0] = p->timer[3] = setup_time;
316 if (cmd_time > 0) {
317 p->timer[1] = cmd_time;
318 p->timer[4] = cmd_time * 2 + 4;
319 }
320 if (p->timer[1] == 0) {
321 p->timer[1] = 6;
322 p->timer[4] = 16;
323 if (p->timer[0] == 0)
324 p->timer[0] = p->timer[3] = 1;
325 }
326 if (recov_time >= 0)
327 p->timer[2] = p->timer[5] = recov_time;
328
329 debug ("i82365 Opt: %s [%d/%d/%d] [%d/%d/%d]\n",
330 buf,
331 p->timer[0], p->timer[1], p->timer[2],
332 p->timer[3], p->timer[4], p->timer[5]);
333
334 return mask;
335 }
336
337 #else /* !CONFIG_CPC45 */
338
339 /*======================================================================
340
341 Code to save and restore global state information for TI 1130 and
342 TI 1131 controllers, and to set and report global configuration
343 options.
344
345 ======================================================================*/
346
347 static void ti113x_get_state (socket_info_t * s)
348 {
349 ti113x_state_t *p = &s->state;
350
351 pci_readl (s, TI113X_SYSTEM_CONTROL, &p->sysctl);
352 pci_readb (s, TI113X_CARD_CONTROL, &p->cardctl);
353 pci_readb (s, TI113X_DEVICE_CONTROL, &p->devctl);
354 pci_readb (s, TI1250_DIAGNOSTIC, &p->diag);
355 pci_readl (s, TI12XX_IRQMUX, &p->irqmux);
356 }
357
358 static void ti113x_set_state (socket_info_t * s)
359 {
360 ti113x_state_t *p = &s->state;
361
362 pci_writel (s, TI113X_SYSTEM_CONTROL, p->sysctl);
363 pci_writeb (s, TI113X_CARD_CONTROL, p->cardctl);
364 pci_writeb (s, TI113X_DEVICE_CONTROL, p->devctl);
365 pci_writeb (s, TI1250_MULTIMEDIA_CTL, 0);
366 pci_writeb (s, TI1250_DIAGNOSTIC, p->diag);
367 pci_writel (s, TI12XX_IRQMUX, p->irqmux);
368 i365_set_pair (s, TI113X_IO_OFFSET (0), 0);
369 i365_set_pair (s, TI113X_IO_OFFSET (1), 0);
370 }
371
372 static u_int ti113x_set_opts (socket_info_t * s)
373 {
374 ti113x_state_t *p = &s->state;
375 u_int mask = 0xffff;
376
377 p->cardctl &= ~TI113X_CCR_ZVENABLE;
378 p->cardctl |= TI113X_CCR_SPKROUTEN;
379
380 return mask;
381 }
382 #endif /* CONFIG_CPC45 */
383
384 /*======================================================================
385
386 Routines to handle common CardBus options
387
388 ======================================================================*/
389
390 /* Default settings for PCI command configuration register */
391 #define CMD_DFLT (PCI_COMMAND_IO|PCI_COMMAND_MEMORY| \
392 PCI_COMMAND_MASTER|PCI_COMMAND_WAIT)
393
394 static void cb_get_state (socket_info_t * s)
395 {
396 pci_readb (s, PCI_CACHE_LINE_SIZE, &s->cache);
397 pci_readb (s, PCI_LATENCY_TIMER, &s->pci_lat);
398 pci_readb (s, CB_LATENCY_TIMER, &s->cb_lat);
399 pci_readb (s, CB_CARDBUS_BUS, &s->cap.cardbus);
400 pci_readb (s, CB_SUBORD_BUS, &s->sub_bus);
401 pci_readw (s, CB_BRIDGE_CONTROL, &s->bcr);
402 }
403
404 static void cb_set_state (socket_info_t * s)
405 {
406 #ifndef CONFIG_CPC45
407 pci_writel (s, CB_LEGACY_MODE_BASE, 0);
408 pci_writel (s, PCI_BASE_ADDRESS_0, s->cb_phys);
409 #endif
410 pci_writew (s, PCI_COMMAND, CMD_DFLT);
411 pci_writeb (s, PCI_CACHE_LINE_SIZE, s->cache);
412 pci_writeb (s, PCI_LATENCY_TIMER, s->pci_lat);
413 pci_writeb (s, CB_LATENCY_TIMER, s->cb_lat);
414 pci_writeb (s, CB_CARDBUS_BUS, s->cap.cardbus);
415 pci_writeb (s, CB_SUBORD_BUS, s->sub_bus);
416 pci_writew (s, CB_BRIDGE_CONTROL, s->bcr);
417 }
418
419 static void cb_set_opts (socket_info_t * s)
420 {
421 #ifndef CONFIG_CPC45
422 if (s->cache == 0)
423 s->cache = 8;
424 if (s->pci_lat == 0)
425 s->pci_lat = 0xa8;
426 if (s->cb_lat == 0)
427 s->cb_lat = 0xb0;
428 #endif
429 }
430
431 /*======================================================================
432
433 Power control for Cardbus controllers: used both for 16-bit and
434 Cardbus cards.
435
436 ======================================================================*/
437
438 static int cb_set_power (socket_info_t * s, socket_state_t * state)
439 {
440 u_int reg = 0;
441
442 #ifdef CONFIG_CPC45
443
444 reg = I365_PWR_NORESET;
445 if (state->flags & SS_PWR_AUTO)
446 reg |= I365_PWR_AUTO;
447 if (state->flags & SS_OUTPUT_ENA)
448 reg |= I365_PWR_OUT;
449 if (state->Vpp != 0) {
450 if (state->Vpp == 120) {
451 reg |= I365_VPP1_12V;
452 puts (" 12V card found: ");
453 } else if (state->Vpp == state->Vcc) {
454 reg |= I365_VPP1_5V;
455 } else {
456 puts (" power not found: ");
457 return -1;
458 }
459 }
460 if (state->Vcc != 0) {
461 reg |= I365_VCC_5V;
462 if (state->Vcc == 33) {
463 puts (" 3.3V card found: ");
464 i365_bset (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
465 } else if (state->Vcc == 50) {
466 puts (" 5V card found: ");
467 i365_bclr (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
468 } else {
469 puts (" power not found: ");
470 return -1;
471 }
472 }
473
474 if (reg != i365_get (s, I365_POWER)) {
475 reg = (I365_PWR_OUT | I365_PWR_NORESET | I365_VCC_5V | I365_VPP1_5V);
476 i365_set (s, I365_POWER, reg);
477 }
478
479 #else /* ! CONFIG_CPC45 */
480
481 /* restart card voltage detection if it seems appropriate */
482 if ((state->Vcc == 0) && (state->Vpp == 0) &&
483 !(cb_readl (s, CB_SOCKET_STATE) & CB_SS_VSENSE))
484 cb_writel (s, CB_SOCKET_FORCE, CB_SF_CVSTEST);
485 switch (state->Vcc) {
486 case 0:
487 reg = 0;
488 break;
489 case 33:
490 reg = CB_SC_VCC_3V;
491 break;
492 case 50:
493 reg = CB_SC_VCC_5V;
494 break;
495 default:
496 return -1;
497 }
498 switch (state->Vpp) {
499 case 0:
500 break;
501 case 33:
502 reg |= CB_SC_VPP_3V;
503 break;
504 case 50:
505 reg |= CB_SC_VPP_5V;
506 break;
507 case 120:
508 reg |= CB_SC_VPP_12V;
509 break;
510 default:
511 return -1;
512 }
513 if (reg != cb_readl (s, CB_SOCKET_CONTROL))
514 cb_writel (s, CB_SOCKET_CONTROL, reg);
515 #endif /* CONFIG_CPC45 */
516 return 0;
517 }
518
519 /*======================================================================
520
521 Generic routines to get and set controller options
522
523 ======================================================================*/
524
525 static void get_bridge_state (socket_info_t * s)
526 {
527 #ifdef CONFIG_CPC45
528 cirrus_get_state (s);
529 #else
530 ti113x_get_state (s);
531 #endif
532 cb_get_state (s);
533 }
534
535 static void set_bridge_state (socket_info_t * s)
536 {
537 cb_set_state (s);
538 i365_set (s, I365_GBLCTL, 0x00);
539 i365_set (s, I365_GENCTL, 0x00);
540 #ifdef CONFIG_CPC45
541 cirrus_set_state (s);
542 #else
543 ti113x_set_state (s);
544 #endif
545 }
546
547 static void set_bridge_opts (socket_info_t * s)
548 {
549 #ifdef CONFIG_CPC45
550 cirrus_set_opts (s);
551 #else
552 ti113x_set_opts (s);
553 #endif
554 cb_set_opts (s);
555 }
556
557 /*====================================================================*/
558 #define PD67_EXT_INDEX 0x2e /* Extension index */
559 #define PD67_EXT_DATA 0x2f /* Extension data */
560 #define PD67_EXD_VS1(s) (0x01 << ((s)<<1))
561
562 #define pd67_ext_get(s, r) \
563 (i365_set(s, PD67_EXT_INDEX, r), i365_get(s, PD67_EXT_DATA))
564
565 static int i365_get_status (socket_info_t * s, u_int * value)
566 {
567 u_int status;
568 #ifdef CONFIG_CPC45
569 u_char val;
570 u_char power, vcc, vpp;
571 u_int powerstate;
572 #endif
573
574 status = i365_get (s, I365_IDENT);
575 status = i365_get (s, I365_STATUS);
576 *value = ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
577 if (i365_get (s, I365_INTCTL) & I365_PC_IOCARD) {
578 *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
579 } else {
580 *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
581 *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
582 }
583 *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
584 *value |= (status & I365_CS_READY) ? SS_READY : 0;
585 *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
586
587 #ifdef CONFIG_CPC45
588 /* Check for Cirrus CL-PD67xx chips */
589 i365_set (s, PD67_CHIP_INFO, 0);
590 val = i365_get (s, PD67_CHIP_INFO);
591 s->type = -1;
592 if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) {
593 val = i365_get (s, PD67_CHIP_INFO);
594 if ((val & PD67_INFO_CHIP_ID) == 0) {
595 s->type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710;
596 i365_set (s, PD67_EXT_INDEX, 0xe5);
597 if (i365_get (s, PD67_EXT_INDEX) != 0xe5)
598 s->type = IS_VT83C469;
599 }
600 } else {
601 printf ("no Cirrus Chip found\n");
602 *value = 0;
603 return -1;
604 }
605
606 power = i365_get (s, I365_POWER);
607 state.flags |= (power & I365_PWR_AUTO) ? SS_PWR_AUTO : 0;
608 state.flags |= (power & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0;
609 vcc = power & I365_VCC_MASK;
610 vpp = power & I365_VPP1_MASK;
611 state.Vcc = state.Vpp = 0;
612 if((vcc== 0) || (vpp == 0)) {
613 /*
614 * On the Cirrus we get the info which card voltage
615 * we have in EXTERN DATA and write it to MISC_CTL1
616 */
617 powerstate = pd67_ext_get(s, PD67_EXTERN_DATA);
618 if (powerstate & PD67_EXD_VS1(0)) {
619 /* 5V Card */
620 i365_bclr (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
621 } else {
622 /* 3.3V Card */
623 i365_bset (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
624 }
625 i365_set (s, I365_POWER, (I365_PWR_OUT | I365_PWR_NORESET | I365_VCC_5V | I365_VPP1_5V));
626 power = i365_get (s, I365_POWER);
627 }
628 if (power & I365_VCC_5V) {
629 state.Vcc = (i365_get(s, PD67_MISC_CTL_1) & PD67_MC1_VCC_3V) ? 33 : 50;
630 }
631
632 if (power == I365_VPP1_12V)
633 state.Vpp = 120;
634
635 /* IO card, RESET flags, IO interrupt */
636 power = i365_get (s, I365_INTCTL);
637 state.flags |= (power & I365_PC_RESET) ? 0 : SS_RESET;
638 if (power & I365_PC_IOCARD)
639 state.flags |= SS_IOCARD;
640 state.io_irq = power & I365_IRQ_MASK;
641
642 /* Card status change mask */
643 power = i365_get (s, I365_CSCINT);
644 state.csc_mask = (power & I365_CSC_DETECT) ? SS_DETECT : 0;
645 if (state.flags & SS_IOCARD)
646 state.csc_mask |= (power & I365_CSC_STSCHG) ? SS_STSCHG : 0;
647 else {
648 state.csc_mask |= (power & I365_CSC_BVD1) ? SS_BATDEAD : 0;
649 state.csc_mask |= (power & I365_CSC_BVD2) ? SS_BATWARN : 0;
650 state.csc_mask |= (power & I365_CSC_READY) ? SS_READY : 0;
651 }
652 debug ("i82365: GetStatus(0) = flags %#3.3x, Vcc %d, Vpp %d, "
653 "io_irq %d, csc_mask %#2.2x\n", state.flags,
654 state.Vcc, state.Vpp, state.io_irq, state.csc_mask);
655
656 #else /* !CONFIG_CPC45 */
657
658 status = cb_readl (s, CB_SOCKET_STATE);
659 *value |= (status & CB_SS_32BIT) ? SS_CARDBUS : 0;
660 *value |= (status & CB_SS_3VCARD) ? SS_3VCARD : 0;
661 *value |= (status & CB_SS_XVCARD) ? SS_XVCARD : 0;
662 *value |= (status & CB_SS_VSENSE) ? 0 : SS_PENDING;
663 /* For now, ignore cards with unsupported voltage keys */
664 if (*value & SS_XVCARD)
665 *value &= ~(SS_DETECT | SS_3VCARD | SS_XVCARD);
666 #endif /* CONFIG_CPC45 */
667 return 0;
668 } /* i365_get_status */
669
670 static int i365_set_socket (socket_info_t * s, socket_state_t * state)
671 {
672 u_char reg;
673
674 set_bridge_state (s);
675
676 /* IO card, RESET flag */
677 reg = 0;
678 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
679 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
680 i365_set (s, I365_INTCTL, reg);
681
682 #ifdef CONFIG_CPC45
683 cb_set_power (s, state);
684
685 #if 0
686 /* Card status change interrupt mask */
687 reg = s->cs_irq << 4;
688 if (state->csc_mask & SS_DETECT)
689 reg |= I365_CSC_DETECT;
690 if (state->flags & SS_IOCARD) {
691 if (state->csc_mask & SS_STSCHG)
692 reg |= I365_CSC_STSCHG;
693 } else {
694 if (state->csc_mask & SS_BATDEAD)
695 reg |= I365_CSC_BVD1;
696 if (state->csc_mask & SS_BATWARN)
697 reg |= I365_CSC_BVD2;
698 if (state->csc_mask & SS_READY)
699 reg |= I365_CSC_READY;
700 }
701 i365_set (s, I365_CSCINT, reg);
702 i365_get (s, I365_CSC);
703 #endif /* 0 */
704
705 #else /* !CONFIG_CPC45 */
706
707 reg = I365_PWR_NORESET;
708 if (state->flags & SS_PWR_AUTO)
709 reg |= I365_PWR_AUTO;
710 if (state->flags & SS_OUTPUT_ENA)
711 reg |= I365_PWR_OUT;
712
713 cb_set_power (s, state);
714 reg |= i365_get (s, I365_POWER) & (I365_VCC_MASK | I365_VPP1_MASK);
715
716 if (reg != i365_get (s, I365_POWER))
717 i365_set (s, I365_POWER, reg);
718 #endif /* CONFIG_CPC45 */
719
720 return 0;
721 } /* i365_set_socket */
722
723 /*====================================================================*/
724
725 static int i365_set_mem_map (socket_info_t * s, struct pccard_mem_map *mem)
726 {
727 u_short base, i;
728 u_char map;
729
730 debug ("i82365: SetMemMap(%d, %#2.2x, %d ns, %#5.5lx-%#5.5lx, %#5.5x)\n",
731 mem->map, mem->flags, mem->speed,
732 mem->sys_start, mem->sys_stop, mem->card_start);
733
734 map = mem->map;
735 if ((map > 4) ||
736 (mem->card_start > 0x3ffffff) ||
737 (mem->sys_start > mem->sys_stop) ||
738 (mem->speed > 1000)) {
739 return -1;
740 }
741
742 /* Turn off the window before changing anything */
743 if (i365_get (s, I365_ADDRWIN) & I365_ENA_MEM (map))
744 i365_bclr (s, I365_ADDRWIN, I365_ENA_MEM (map));
745
746 /* Take care of high byte, for PCI controllers */
747 i365_set (s, CB_MEM_PAGE (map), mem->sys_start >> 24);
748
749 base = I365_MEM (map);
750 i = (mem->sys_start >> 12) & 0x0fff;
751 if (mem->flags & MAP_16BIT)
752 i |= I365_MEM_16BIT;
753 if (mem->flags & MAP_0WS)
754 i |= I365_MEM_0WS;
755 i365_set_pair (s, base + I365_W_START, i);
756
757 i = (mem->sys_stop >> 12) & 0x0fff;
758 switch (mem->speed / CYCLE_TIME) {
759 case 0:
760 break;
761 case 1:
762 i |= I365_MEM_WS0;
763 break;
764 case 2:
765 i |= I365_MEM_WS1;
766 break;
767 default:
768 i |= I365_MEM_WS1 | I365_MEM_WS0;
769 break;
770 }
771 i365_set_pair (s, base + I365_W_STOP, i);
772
773 #ifdef CONFIG_CPC45
774 i = 0;
775 #else
776 i = ((mem->card_start - mem->sys_start) >> 12) & 0x3fff;
777 #endif
778 if (mem->flags & MAP_WRPROT)
779 i |= I365_MEM_WRPROT;
780 if (mem->flags & MAP_ATTRIB)
781 i |= I365_MEM_REG;
782 i365_set_pair (s, base + I365_W_OFF, i);
783
784 #ifdef CONFIG_CPC45
785 /* set System Memory map Upper Adress */
786 i365_set(s, PD67_EXT_INDEX, PD67_MEM_PAGE(map));
787 i365_set(s, PD67_EXT_DATA, ((mem->sys_start >> 24) & 0xff));
788 #endif
789
790 /* Turn on the window if necessary */
791 if (mem->flags & MAP_ACTIVE)
792 i365_bset (s, I365_ADDRWIN, I365_ENA_MEM (map));
793 return 0;
794 } /* i365_set_mem_map */
795
796 static int i365_set_io_map (socket_info_t * s, struct pccard_io_map *io)
797 {
798 u_char map, ioctl;
799
800 map = io->map;
801 /* comment out: comparison is always false due to limited range of data type */
802 if ((map > 1) || /* (io->start > 0xffff) || (io->stop > 0xffff) || */
803 (io->stop < io->start))
804 return -1;
805 /* Turn off the window before changing anything */
806 if (i365_get (s, I365_ADDRWIN) & I365_ENA_IO (map))
807 i365_bclr (s, I365_ADDRWIN, I365_ENA_IO (map));
808 i365_set_pair (s, I365_IO (map) + I365_W_START, io->start);
809 i365_set_pair (s, I365_IO (map) + I365_W_STOP, io->stop);
810 ioctl = i365_get (s, I365_IOCTL) & ~I365_IOCTL_MASK (map);
811 if (io->speed)
812 ioctl |= I365_IOCTL_WAIT (map);
813 if (io->flags & MAP_0WS)
814 ioctl |= I365_IOCTL_0WS (map);
815 if (io->flags & MAP_16BIT)
816 ioctl |= I365_IOCTL_16BIT (map);
817 if (io->flags & MAP_AUTOSZ)
818 ioctl |= I365_IOCTL_IOCS16 (map);
819 i365_set (s, I365_IOCTL, ioctl);
820 /* Turn on the window if necessary */
821 if (io->flags & MAP_ACTIVE)
822 i365_bset (s, I365_ADDRWIN, I365_ENA_IO (map));
823 return 0;
824 } /* i365_set_io_map */
825
826 /*====================================================================*/
827
828 int i82365_init (void)
829 {
830 u_int val;
831 int i;
832
833 #ifdef CONFIG_CPC45
834 if (SPD67290Init () != 0)
835 return 1;
836 #endif
837 if ((socket.dev = pci_find_devices (supported, 0)) < 0) {
838 /* Controller not found */
839 return 1;
840 }
841 debug ("i82365 Device Found!\n");
842
843 pci_read_config_dword (socket.dev, PCI_BASE_ADDRESS_0, &socket.cb_phys);
844 socket.cb_phys &= ~0xf;
845
846 #ifdef CONFIG_CPC45
847 /* + 0xfe000000 see MPC 8245 Users Manual Adress Map B */
848 socket.cb_phys += 0xfe000000;
849 #endif
850
851 get_bridge_state (&socket);
852 set_bridge_opts (&socket);
853
854 i = i365_get_status (&socket, &val);
855
856 #ifdef CONFIG_CPC45
857 if (i > -1) {
858 puts (pcic[socket.type].name);
859 } else {
860 printf ("i82365: Controller not found.\n");
861 return 1;
862 }
863 if((val & SS_DETECT) != SS_DETECT){
864 puts ("No card\n");
865 return 1;
866 }
867 #else /* !CONFIG_CPC45 */
868 if (val & SS_DETECT) {
869 if (val & SS_3VCARD) {
870 state.Vcc = state.Vpp = 33;
871 puts (" 3.3V card found: ");
872 } else if (!(val & SS_XVCARD)) {
873 state.Vcc = state.Vpp = 50;
874 puts (" 5.0V card found: ");
875 } else {
876 puts ("i82365: unsupported voltage key\n");
877 state.Vcc = state.Vpp = 0;
878 }
879 } else {
880 /* No card inserted */
881 puts ("No card\n");
882 return 1;
883 }
884 #endif /* CONFIG_CPC45 */
885
886 #ifdef CONFIG_CPC45
887 state.flags |= SS_OUTPUT_ENA;
888 #else
889 state.flags = SS_IOCARD | SS_OUTPUT_ENA;
890 state.csc_mask = 0;
891 state.io_irq = 0;
892 #endif
893
894 i365_set_socket (&socket, &state);
895
896 for (i = 500; i; i--) {
897 if ((i365_get (&socket, I365_STATUS) & I365_CS_READY))
898 break;
899 udelay (1000);
900 }
901
902 if (i == 0) {
903 /* PC Card not ready for data transfer */
904 puts ("i82365 PC Card not ready for data transfer\n");
905 return 1;
906 }
907 debug (" PC Card ready for data transfer: ");
908
909 mem.map = 0;
910 mem.flags = MAP_ATTRIB | MAP_ACTIVE;
911 mem.speed = 300;
912 mem.sys_start = CONFIG_SYS_PCMCIA_MEM_ADDR;
913 mem.sys_stop = CONFIG_SYS_PCMCIA_MEM_ADDR + CONFIG_SYS_PCMCIA_MEM_SIZE - 1;
914 mem.card_start = 0;
915 i365_set_mem_map (&socket, &mem);
916
917 #ifdef CONFIG_CPC45
918 mem.map = 1;
919 mem.flags = MAP_ACTIVE;
920 mem.speed = 300;
921 mem.sys_start = CONFIG_SYS_PCMCIA_MEM_ADDR + CONFIG_SYS_PCMCIA_MEM_SIZE;
922 mem.sys_stop = CONFIG_SYS_PCMCIA_MEM_ADDR + (2 * CONFIG_SYS_PCMCIA_MEM_SIZE) - 1;
923 mem.card_start = 0;
924 i365_set_mem_map (&socket, &mem);
925
926 #else /* !CONFIG_CPC45 */
927
928 io.map = 0;
929 io.flags = MAP_AUTOSZ | MAP_ACTIVE;
930 io.speed = 0;
931 io.start = 0x0100;
932 io.stop = 0x010F;
933 i365_set_io_map (&socket, &io);
934
935 #endif /* CONFIG_CPC45 */
936
937 #ifdef DEBUG
938 i82365_dump_regions (socket.dev);
939 #endif
940
941 return 0;
942 }
943
944 void i82365_exit (void)
945 {
946 io.map = 0;
947 io.flags = 0;
948 io.speed = 0;
949 io.start = 0;
950 io.stop = 0x1;
951
952 i365_set_io_map (&socket, &io);
953
954 mem.map = 0;
955 mem.flags = 0;
956 mem.speed = 0;
957 mem.sys_start = 0;
958 mem.sys_stop = 0x1000;
959 mem.card_start = 0;
960
961 i365_set_mem_map (&socket, &mem);
962
963 #ifdef CONFIG_CPC45
964 mem.map = 1;
965 mem.flags = 0;
966 mem.speed = 0;
967 mem.sys_start = 0;
968 mem.sys_stop = 0x1000;
969 mem.card_start = 0;
970
971 i365_set_mem_map (&socket, &mem);
972 #else /* !CONFIG_CPC45 */
973 socket.state.sysctl &= 0xFFFF00FF;
974 #endif
975 state.Vcc = state.Vpp = 0;
976
977 i365_set_socket (&socket, &state);
978 }
979
980 /*======================================================================
981
982 Debug stuff
983
984 ======================================================================*/
985
986 #ifdef DEBUG
987 static void i82365_dump_regions (pci_dev_t dev)
988 {
989 u_int tmp[2];
990 u_int *mem = (void *) socket.cb_phys;
991 u_char *cis = (void *) CONFIG_SYS_PCMCIA_MEM_ADDR;
992 u_char *ide = (void *) (CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_REG_OFFSET);
993
994 pci_read_config_dword (dev, 0x00, tmp + 0);
995 pci_read_config_dword (dev, 0x80, tmp + 1);
996
997 printf ("PCI CONF: %08X ... %08X\n",
998 tmp[0], tmp[1]);
999 printf ("PCI MEM: ... %08X ... %08X\n",
1000 mem[0x8 / 4], mem[0x800 / 4]);
1001 printf ("CIS: ...%c%c%c%c%c%c%c%c...\n",
1002 cis[0x38], cis[0x3a], cis[0x3c], cis[0x3e],
1003 cis[0x40], cis[0x42], cis[0x44], cis[0x48]);
1004 printf ("CIS CONF: %02X %02X %02X ...\n",
1005 cis[0x200], cis[0x202], cis[0x204]);
1006 printf ("IDE: %02X %02X %02X %02X %02X %02X %02X %02X\n",
1007 ide[0], ide[1], ide[2], ide[3],
1008 ide[4], ide[5], ide[6], ide[7]);
1009 }
1010 #endif /* DEBUG */
"Das U-Boot" Source Tree