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Diffstat (limited to 'arch/ia64/sn/kernel/tiocx.c')
-rw-r--r--arch/ia64/sn/kernel/tiocx.c67
1 files changed, 35 insertions, 32 deletions
diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c
index b45db5133f55..0d8592a745a7 100644
--- a/arch/ia64/sn/kernel/tiocx.c
+++ b/arch/ia64/sn/kernel/tiocx.c
@@ -183,11 +183,12 @@ int cx_driver_unregister(struct cx_drv *cx_driver)
183 * @part_num: device's part number 183 * @part_num: device's part number
184 * @mfg_num: device's manufacturer number 184 * @mfg_num: device's manufacturer number
185 * @hubdev: hub info associated with this device 185 * @hubdev: hub info associated with this device
186 * @bt: board type of the device
186 * 187 *
187 */ 188 */
188int 189int
189cx_device_register(nasid_t nasid, int part_num, int mfg_num, 190cx_device_register(nasid_t nasid, int part_num, int mfg_num,
190 struct hubdev_info *hubdev) 191 struct hubdev_info *hubdev, int bt)
191{ 192{
192 struct cx_dev *cx_dev; 193 struct cx_dev *cx_dev;
193 194
@@ -200,6 +201,7 @@ cx_device_register(nasid_t nasid, int part_num, int mfg_num,
200 cx_dev->cx_id.mfg_num = mfg_num; 201 cx_dev->cx_id.mfg_num = mfg_num;
201 cx_dev->cx_id.nasid = nasid; 202 cx_dev->cx_id.nasid = nasid;
202 cx_dev->hubdev = hubdev; 203 cx_dev->hubdev = hubdev;
204 cx_dev->bt = bt;
203 205
204 cx_dev->dev.parent = NULL; 206 cx_dev->dev.parent = NULL;
205 cx_dev->dev.bus = &tiocx_bus_type; 207 cx_dev->dev.bus = &tiocx_bus_type;
@@ -238,7 +240,8 @@ static int cx_device_reload(struct cx_dev *cx_dev)
238{ 240{
239 cx_device_unregister(cx_dev); 241 cx_device_unregister(cx_dev);
240 return cx_device_register(cx_dev->cx_id.nasid, cx_dev->cx_id.part_num, 242 return cx_device_register(cx_dev->cx_id.nasid, cx_dev->cx_id.part_num,
241 cx_dev->cx_id.mfg_num, cx_dev->hubdev); 243 cx_dev->cx_id.mfg_num, cx_dev->hubdev,
244 cx_dev->bt);
242} 245}
243 246
244static inline uint64_t tiocx_intr_alloc(nasid_t nasid, int widget, 247static inline uint64_t tiocx_intr_alloc(nasid_t nasid, int widget,
@@ -365,26 +368,20 @@ static void tio_corelet_reset(nasid_t nasid, int corelet)
365 udelay(2000); 368 udelay(2000);
366} 369}
367 370
368static int tiocx_btchar_get(int nasid) 371static int is_fpga_tio(int nasid, int *bt)
369{ 372{
370 moduleid_t module_id; 373 int ioboard_type;
371 geoid_t geoid;
372 int cnodeid;
373
374 cnodeid = nasid_to_cnodeid(nasid);
375 geoid = cnodeid_get_geoid(cnodeid);
376 module_id = geo_module(geoid);
377 return MODULE_GET_BTCHAR(module_id);
378}
379 374
380static int is_fpga_brick(int nasid) 375 ioboard_type = ia64_sn_sysctl_ioboard_get(nasid);
381{ 376
382 switch (tiocx_btchar_get(nasid)) { 377 switch (ioboard_type) {
383 case L1_BRICKTYPE_SA: 378 case L1_BRICKTYPE_SA:
384 case L1_BRICKTYPE_ATHENA: 379 case L1_BRICKTYPE_ATHENA:
385 case L1_BRICKTYPE_DAYTONA: 380 case L1_BOARDTYPE_DAYTONA:
381 *bt = ioboard_type;
386 return 1; 382 return 1;
387 } 383 }
384
388 return 0; 385 return 0;
389} 386}
390 387
@@ -407,16 +404,22 @@ static int tiocx_reload(struct cx_dev *cx_dev)
407 404
408 if (bitstream_loaded(nasid)) { 405 if (bitstream_loaded(nasid)) {
409 uint64_t cx_id; 406 uint64_t cx_id;
410 407 int rv;
411 cx_id = 408
412 *(volatile uint64_t *)(TIO_SWIN_BASE(nasid, TIOCX_CORELET) + 409 rv = ia64_sn_sysctl_tio_clock_reset(nasid);
410 if (rv) {
411 printk(KERN_ALERT "CX port JTAG reset failed.\n");
412 } else {
413 cx_id = *(volatile uint64_t *)
414 (TIO_SWIN_BASE(nasid, TIOCX_CORELET) +
413 WIDGET_ID); 415 WIDGET_ID);
414 part_num = XWIDGET_PART_NUM(cx_id); 416 part_num = XWIDGET_PART_NUM(cx_id);
415 mfg_num = XWIDGET_MFG_NUM(cx_id); 417 mfg_num = XWIDGET_MFG_NUM(cx_id);
416 DBG("part= 0x%x, mfg= 0x%x\n", part_num, mfg_num); 418 DBG("part= 0x%x, mfg= 0x%x\n", part_num, mfg_num);
417 /* just ignore it if it's a CE */ 419 /* just ignore it if it's a CE */
418 if (part_num == TIO_CE_ASIC_PARTNUM) 420 if (part_num == TIO_CE_ASIC_PARTNUM)
419 return 0; 421 return 0;
422 }
420 } 423 }
421 424
422 cx_dev->cx_id.part_num = part_num; 425 cx_dev->cx_id.part_num = part_num;
@@ -436,10 +439,10 @@ static ssize_t show_cxdev_control(struct device *dev, struct device_attribute *a
436{ 439{
437 struct cx_dev *cx_dev = to_cx_dev(dev); 440 struct cx_dev *cx_dev = to_cx_dev(dev);
438 441
439 return sprintf(buf, "0x%x 0x%x 0x%x %d\n", 442 return sprintf(buf, "0x%x 0x%x 0x%x 0x%x\n",
440 cx_dev->cx_id.nasid, 443 cx_dev->cx_id.nasid,
441 cx_dev->cx_id.part_num, cx_dev->cx_id.mfg_num, 444 cx_dev->cx_id.part_num, cx_dev->cx_id.mfg_num,
442 tiocx_btchar_get(cx_dev->cx_id.nasid)); 445 cx_dev->bt);
443} 446}
444 447
445static ssize_t store_cxdev_control(struct device *dev, struct device_attribute *attr, const char *buf, 448static ssize_t store_cxdev_control(struct device *dev, struct device_attribute *attr, const char *buf,
@@ -486,13 +489,13 @@ static int __init tiocx_init(void)
486 489
487 bus_register(&tiocx_bus_type); 490 bus_register(&tiocx_bus_type);
488 491
489 for (cnodeid = 0; cnodeid < MAX_COMPACT_NODES; cnodeid++) { 492 for (cnodeid = 0; cnodeid < num_cnodes; cnodeid++) {
490 nasid_t nasid; 493 nasid_t nasid;
494 int bt;
491 495
492 if ((nasid = cnodeid_to_nasid(cnodeid)) < 0) 496 nasid = cnodeid_to_nasid(cnodeid);
493 break; /* No more nasids .. bail out of loop */
494 497
495 if ((nasid & 0x1) && is_fpga_brick(nasid)) { 498 if ((nasid & 0x1) && is_fpga_tio(nasid, &bt)) {
496 struct hubdev_info *hubdev; 499 struct hubdev_info *hubdev;
497 struct xwidget_info *widgetp; 500 struct xwidget_info *widgetp;
498 501
@@ -512,7 +515,7 @@ static int __init tiocx_init(void)
512 515
513 if (cx_device_register 516 if (cx_device_register
514 (nasid, widgetp->xwi_hwid.part_num, 517 (nasid, widgetp->xwi_hwid.part_num,
515 widgetp->xwi_hwid.mfg_num, hubdev) < 0) 518 widgetp->xwi_hwid.mfg_num, hubdev, bt) < 0)
516 return -ENXIO; 519 return -ENXIO;
517 else 520 else
518 found_tiocx_device++; 521 found_tiocx_device++;