2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/delay.h>
18 #include <linux/kernel.h>
19 #include <linux/string.h>
21 #include <linux/module.h>
22 #include <linux/pci.h>
29 #include <pcie_core.h>
40 #include <sbsdpcmdev.h>
45 /* this file now contains only definitions for sb functions, only necessary
46 *for devices using Sonics backplanes (bcm4329)
49 /* if an amba SDIO device is supported, please further restrict the inclusion
53 #include "siutils_priv.h"
56 /* local prototypes */
57 static si_info_t *si_doattach(si_info_t *sii, uint devid, void *regs,
58 uint bustype, void *sdh, char **vars,
60 static bool si_buscore_prep(si_info_t *sii, uint bustype, uint devid,
62 static bool si_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
63 u32 savewin, uint *origidx, void *regs);
64 static void si_nvram_process(si_info_t *sii, char *pvars);
66 /* dev path concatenation util */
67 static char *si_devpathvar(si_t *sih, char *var, int len, const char *name);
68 static bool _si_clkctl_cc(si_info_t *sii, uint mode);
69 static bool si_ispcie(si_info_t *sii);
70 static uint socram_banksize(si_info_t *sii, sbsocramregs_t *r,
73 /* global variable to indicate reservation/release of gpio's */
74 static u32 si_gpioreservation;
77 * Allocate a si handle.
78 * devid - pci device id (used to determine chip#)
79 * osh - opaque OS handle
80 * regs - virtual address of initial core registers
81 * bustype - pci/sb/sdio/etc
82 * vars - pointer to a pointer area for "environment" variables
83 * varsz - pointer to int to return the size of the vars
85 si_t *si_attach(uint devid, void *regs, uint bustype,
86 void *sdh, char **vars, uint *varsz)
91 sii = kmalloc(sizeof(si_info_t), GFP_ATOMIC);
93 SI_ERROR(("si_attach: malloc failed!\n"));
97 if (si_doattach(sii, devid, regs, bustype, sdh, vars, varsz) ==
102 sii->vars = vars ? *vars : NULL;
103 sii->varsz = varsz ? *varsz : 0;
108 /* global kernel resource */
109 static si_info_t ksii;
111 static bool si_buscore_prep(si_info_t *sii, uint bustype, uint devid,
116 /* kludge to enable the clock on the 4306 which lacks a slowclock */
117 if (bustype == PCI_BUS && !si_ispcie(sii))
118 si_clkctl_xtal(&sii->pub, XTAL | PLL, ON);
122 if (bustype == SDIO_BUS) {
126 /* Try forcing SDIO core to do ALPAvail request only */
127 clkset = SBSDIO_FORCE_HW_CLKREQ_OFF | SBSDIO_ALP_AVAIL_REQ;
128 bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_CHIPCLKCSR,
133 /* If register supported, wait for ALPAvail and then force ALP */
135 bcmsdh_cfg_read(sdh, SDIO_FUNC_1,
136 SBSDIO_FUNC1_CHIPCLKCSR, NULL);
137 if ((clkval & ~SBSDIO_AVBITS) == clkset) {
139 bcmsdh_cfg_read(sdh, SDIO_FUNC_1,
140 SBSDIO_FUNC1_CHIPCLKCSR,
142 !SBSDIO_ALPAV(clkval)),
143 PMU_MAX_TRANSITION_DLY);
144 if (!SBSDIO_ALPAV(clkval)) {
145 SI_ERROR(("timeout on ALPAV wait, clkval 0x%02x\n", clkval));
149 SBSDIO_FORCE_HW_CLKREQ_OFF |
151 bcmsdh_cfg_write(sdh, SDIO_FUNC_1,
152 SBSDIO_FUNC1_CHIPCLKCSR,
158 /* Also, disable the extra SDIO pull-ups */
159 bcmsdh_cfg_write(sdh, SDIO_FUNC_1, SBSDIO_FUNC1_SDIOPULLUP, 0,
162 #endif /* defined(BCMSDIO) */
167 static bool si_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
168 u32 savewin, uint *origidx, void *regs)
172 uint pciidx, pcieidx, pcirev, pcierev;
174 cc = si_setcoreidx(&sii->pub, SI_CC_IDX);
177 /* get chipcommon rev */
178 sii->pub.ccrev = (int)si_corerev(&sii->pub);
180 /* get chipcommon chipstatus */
181 if (sii->pub.ccrev >= 11)
182 sii->pub.chipst = R_REG(&cc->chipstatus);
184 /* get chipcommon capabilites */
185 sii->pub.cccaps = R_REG(&cc->capabilities);
186 /* get chipcommon extended capabilities */
189 if (sii->pub.ccrev >= 35)
190 sii->pub.cccaps_ext = R_REG(&cc->capabilities_ext);
192 /* get pmu rev and caps */
193 if (sii->pub.cccaps & CC_CAP_PMU) {
194 sii->pub.pmucaps = R_REG(&cc->pmucapabilities);
195 sii->pub.pmurev = sii->pub.pmucaps & PCAP_REV_MASK;
199 SI_MSG(("Chipc: rev %d, caps 0x%x, chipst 0x%x pmurev %d, pmucaps 0x%x\n",
200 sii->pub.ccrev, sii->pub.cccaps, sii->pub.chipst, sii->pub.pmurev,
204 /* figure out bus/orignal core idx */
205 sii->pub.buscoretype = NODEV_CORE_ID;
206 sii->pub.buscorerev = NOREV;
207 sii->pub.buscoreidx = BADIDX;
210 pcirev = pcierev = NOREV;
211 pciidx = pcieidx = BADIDX;
213 for (i = 0; i < sii->numcores; i++) {
216 si_setcoreidx(&sii->pub, i);
217 cid = si_coreid(&sii->pub);
218 crev = si_corerev(&sii->pub);
220 /* Display cores found */
221 SI_VMSG(("CORE[%d]: id 0x%x rev %d base 0x%x regs 0x%p\n",
222 i, cid, crev, sii->coresba[i], sii->regs[i]));
224 if (bustype == PCI_BUS) {
225 if (cid == PCI_CORE_ID) {
229 } else if (cid == PCIE_CORE_ID) {
236 else if (((bustype == SDIO_BUS) ||
237 (bustype == SPI_BUS)) &&
238 ((cid == PCMCIA_CORE_ID) || (cid == SDIOD_CORE_ID))) {
239 sii->pub.buscorerev = crev;
240 sii->pub.buscoretype = cid;
241 sii->pub.buscoreidx = i;
245 /* find the core idx before entering this func. */
246 if ((savewin && (savewin == sii->coresba[i])) ||
247 (regs == sii->regs[i]))
252 SI_MSG(("Buscore id/type/rev %d/0x%x/%d\n", sii->pub.buscoreidx,
253 sii->pub.buscoretype, sii->pub.buscorerev));
255 /* Make sure any on-chip ARM is off (in case strapping is wrong),
256 * or downloaded code was
259 if ((bustype == SDIO_BUS) || (bustype == SPI_BUS)) {
260 if (si_setcore(&sii->pub, ARM7S_CORE_ID, 0) ||
261 si_setcore(&sii->pub, ARMCM3_CORE_ID, 0))
262 si_core_disable(&sii->pub, 0);
272 sii->pub.buscoretype = PCI_CORE_ID;
273 sii->pub.buscorerev = pcirev;
274 sii->pub.buscoreidx = pciidx;
276 sii->pub.buscoretype = PCIE_CORE_ID;
277 sii->pub.buscorerev = pcierev;
278 sii->pub.buscoreidx = pcieidx;
281 SI_VMSG(("Buscore id/type/rev %d/0x%x/%d\n", sii->pub.buscoreidx,
282 sii->pub.buscoretype, sii->pub.buscorerev));
284 /* fixup necessary chip/core configurations */
285 if (sii->pub.bustype == PCI_BUS) {
288 sii->pch = (void *)pcicore_init(
289 &sii->pub, sii->pbus,
290 (void *)PCIEREGS(sii));
291 if (sii->pch == NULL)
295 if (si_pci_fixcfg(&sii->pub)) {
296 SI_ERROR(("si_doattach: sb_pci_fixcfg failed\n"));
301 /* return to the original core */
302 si_setcoreidx(&sii->pub, *origidx);
307 static __used void si_nvram_process(si_info_t *sii, char *pvars)
311 /* get boardtype and boardrev */
312 switch (sii->pub.bustype) {
314 /* do a pci config read to get subsystem id and subvendor id */
315 pci_read_config_dword(sii->pbus, PCI_SUBSYSTEM_VENDOR_ID,
317 /* Let nvram variables override subsystem Vend/ID */
318 sii->pub.boardvendor = (u16)si_getdevpathintvar(&sii->pub,
320 if (sii->pub.boardvendor == 0)
321 sii->pub.boardvendor = w & 0xffff;
323 SI_ERROR(("Overriding boardvendor: 0x%x instead of 0x%x\n", sii->pub.boardvendor, w & 0xffff));
324 sii->pub.boardtype = (u16)si_getdevpathintvar(&sii->pub,
326 if (sii->pub.boardtype == 0)
327 sii->pub.boardtype = (w >> 16) & 0xffff;
329 SI_ERROR(("Overriding boardtype: 0x%x instead of 0x%x\n", sii->pub.boardtype, (w >> 16) & 0xffff));
335 sii->pub.boardvendor = getintvar(pvars, "manfid");
336 sii->pub.boardtype = getintvar(pvars, "prodid");
341 sii->pub.boardvendor = PCI_VENDOR_ID_BROADCOM;
342 sii->pub.boardtype = SPI_BOARD;
348 sii->pub.boardvendor = PCI_VENDOR_ID_BROADCOM;
349 sii->pub.boardtype = getintvar(pvars, "prodid");
350 if (pvars == NULL || (sii->pub.boardtype == 0)) {
351 sii->pub.boardtype = getintvar(NULL, "boardtype");
352 if (sii->pub.boardtype == 0)
353 sii->pub.boardtype = 0xffff;
358 if (sii->pub.boardtype == 0) {
359 SI_ERROR(("si_doattach: unknown board type\n"));
360 ASSERT(sii->pub.boardtype);
363 sii->pub.boardflags = getintvar(pvars, "boardflags");
366 /* this is will make Sonics calls directly, since Sonics is no longer supported in the Si abstraction */
367 /* this has been customized for the bcm 4329 ONLY */
369 static si_info_t *si_doattach(si_info_t *sii, uint devid,
370 void *regs, uint bustype, void *pbus,
371 char **vars, uint *varsz)
373 struct si_pub *sih = &sii->pub;
378 ASSERT(GOODREGS(regs));
380 memset((unsigned char *) sii, 0, sizeof(si_info_t));
384 sih->buscoreidx = BADIDX;
389 /* find Chipcommon address */
390 cc = (chipcregs_t *) sii->curmap;
391 sih->bustype = bustype;
393 /* bus/core/clk setup for register access */
394 if (!si_buscore_prep(sii, bustype, devid, pbus)) {
395 SI_ERROR(("si_doattach: si_core_clk_prep failed %d\n",
400 /* ChipID recognition.
401 * We assume we can read chipid at offset 0 from the regs arg.
402 * If we add other chiptypes (or if we need to support old sdio hosts w/o chipcommon),
403 * some way of recognizing them needs to be added here.
405 w = R_REG(&cc->chipid);
406 sih->socitype = (w & CID_TYPE_MASK) >> CID_TYPE_SHIFT;
407 /* Might as wll fill in chip id rev & pkg */
408 sih->chip = w & CID_ID_MASK;
409 sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT;
410 sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT;
412 if ((sih->chip == BCM4329_CHIP_ID) &&
413 (sih->chippkg != BCM4329_289PIN_PKG_ID))
414 sih->chippkg = BCM4329_182PIN_PKG_ID;
416 sih->issim = IS_SIM(sih->chippkg);
419 /* SI_MSG(("Found chip type SB (0x%08x)\n", w)); */
420 sb_scan(&sii->pub, regs, devid);
422 /* no cores found, bail out */
423 if (sii->numcores == 0) {
424 SI_ERROR(("si_doattach: could not find any cores\n"));
427 /* bus/core/clk setup */
429 if (!si_buscore_setup(sii, cc, bustype, savewin, &origidx, regs)) {
430 SI_ERROR(("si_doattach: si_buscore_setup failed\n"));
434 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
435 W_REG(&cc->gpiopullup, 0);
436 W_REG(&cc->gpiopulldown, 0);
437 sb_setcoreidx(sih, origidx);
444 #else /* BRCM_FULLMAC */
445 static si_info_t *si_doattach(si_info_t *sii, uint devid,
446 void *regs, uint bustype, void *pbus,
447 char **vars, uint *varsz)
449 struct si_pub *sih = &sii->pub;
455 ASSERT(GOODREGS(regs));
457 memset((unsigned char *) sii, 0, sizeof(si_info_t));
461 sih->buscoreidx = BADIDX;
466 /* check to see if we are a si core mimic'ing a pci core */
467 if (bustype == PCI_BUS) {
468 pci_read_config_dword(sii->pbus, PCI_SPROM_CONTROL, &w);
469 if (w == 0xffffffff) {
470 SI_ERROR(("%s: incoming bus is PCI but it's a lie, "
471 " switching to SI devid:0x%x\n",
477 /* find Chipcommon address */
478 if (bustype == PCI_BUS) {
479 pci_read_config_dword(sii->pbus, PCI_BAR0_WIN, &savewin);
480 if (!GOODCOREADDR(savewin, SI_ENUM_BASE))
481 savewin = SI_ENUM_BASE;
482 pci_write_config_dword(sii->pbus, PCI_BAR0_WIN,
484 cc = (chipcregs_t *) regs;
486 cc = (chipcregs_t *) REG_MAP(SI_ENUM_BASE, SI_CORE_SIZE);
489 sih->bustype = bustype;
491 /* bus/core/clk setup for register access */
492 if (!si_buscore_prep(sii, bustype, devid, pbus)) {
493 SI_ERROR(("si_doattach: si_core_clk_prep failed %d\n",
498 /* ChipID recognition.
499 * We assume we can read chipid at offset 0 from the regs arg.
500 * If we add other chiptypes (or if we need to support old sdio hosts w/o chipcommon),
501 * some way of recognizing them needs to be added here.
503 w = R_REG(&cc->chipid);
504 sih->socitype = (w & CID_TYPE_MASK) >> CID_TYPE_SHIFT;
505 /* Might as wll fill in chip id rev & pkg */
506 sih->chip = w & CID_ID_MASK;
507 sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT;
508 sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT;
510 sih->issim = IS_SIM(sih->chippkg);
513 if (sii->pub.socitype == SOCI_AI) {
514 SI_MSG(("Found chip type AI (0x%08x)\n", w));
515 /* pass chipc address instead of original core base */
516 ai_scan(&sii->pub, (void *)cc, devid);
518 SI_ERROR(("Found chip of unknown type (0x%08x)\n", w));
521 /* no cores found, bail out */
522 if (sii->numcores == 0) {
523 SI_ERROR(("si_doattach: could not find any cores\n"));
526 /* bus/core/clk setup */
528 if (!si_buscore_setup(sii, cc, bustype, savewin, &origidx, regs)) {
529 SI_ERROR(("si_doattach: si_buscore_setup failed\n"));
533 /* assume current core is CC */
534 if ((sii->pub.ccrev == 0x25)
536 ((sih->chip == BCM43236_CHIP_ID
537 || sih->chip == BCM43235_CHIP_ID
538 || sih->chip == BCM43238_CHIP_ID)
539 && (sii->pub.chiprev <= 2))) {
541 if ((cc->chipstatus & CST43236_BP_CLK) != 0) {
543 clkdiv = R_REG(&cc->clkdiv);
544 /* otp_clk_div is even number, 120/14 < 9mhz */
545 clkdiv = (clkdiv & ~CLKD_OTP) | (14 << CLKD_OTP_SHIFT);
546 W_REG(&cc->clkdiv, clkdiv);
547 SI_ERROR(("%s: set clkdiv to %x\n", __func__, clkdiv));
552 /* Init nvram from flash if it exists */
553 nvram_init((void *)&(sii->pub));
555 /* Init nvram from sprom/otp if they exist */
557 (&sii->pub, bustype, regs, vars, varsz)) {
558 SI_ERROR(("si_doattach: srom_var_init failed: bad srom\n"));
561 pvars = vars ? *vars : NULL;
562 si_nvram_process(sii, pvars);
564 /* === NVRAM, clock is ready === */
565 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
566 W_REG(&cc->gpiopullup, 0);
567 W_REG(&cc->gpiopulldown, 0);
568 si_setcoreidx(sih, origidx);
570 /* PMU specific initializations */
571 if (PMUCTL_ENAB(sih)) {
574 si_pmu_chip_init(sih);
575 xtalfreq = getintvar(pvars, "xtalfreq");
576 /* If xtalfreq var not available, try to measure it */
578 xtalfreq = si_pmu_measure_alpclk(sih);
579 si_pmu_pll_init(sih, xtalfreq);
580 si_pmu_res_init(sih);
581 si_pmu_swreg_init(sih);
584 /* setup the GPIO based LED powersave register */
585 w = getintvar(pvars, "leddc");
587 w = DEFAULT_GPIOTIMERVAL;
588 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, gpiotimerval), ~0, w);
591 ASSERT(sii->pch != NULL);
592 pcicore_attach(sii->pch, pvars, SI_DOATTACH);
595 if ((sih->chip == BCM43224_CHIP_ID) ||
596 (sih->chip == BCM43421_CHIP_ID)) {
597 /* enable 12 mA drive strenth for 43224 and set chipControl register bit 15 */
598 if (sih->chiprev == 0) {
599 SI_MSG(("Applying 43224A0 WARs\n"));
600 si_corereg(sih, SI_CC_IDX,
601 offsetof(chipcregs_t, chipcontrol),
602 CCTRL43224_GPIO_TOGGLE,
603 CCTRL43224_GPIO_TOGGLE);
604 si_pmu_chipcontrol(sih, 0, CCTRL_43224A0_12MA_LED_DRIVE,
605 CCTRL_43224A0_12MA_LED_DRIVE);
607 if (sih->chiprev >= 1) {
608 SI_MSG(("Applying 43224B0+ WARs\n"));
609 si_pmu_chipcontrol(sih, 0, CCTRL_43224B0_12MA_LED_DRIVE,
610 CCTRL_43224B0_12MA_LED_DRIVE);
614 if (sih->chip == BCM4313_CHIP_ID) {
615 /* enable 12 mA drive strenth for 4313 and set chipControl register bit 1 */
616 SI_MSG(("Applying 4313 WARs\n"));
617 si_pmu_chipcontrol(sih, 0, CCTRL_4313_12MA_LED_DRIVE,
618 CCTRL_4313_12MA_LED_DRIVE);
621 if (sih->chip == BCM4331_CHIP_ID) {
622 /* Enable Ext PA lines depending on chip package option */
623 si_chipcontrl_epa4331(sih, true);
628 if (sih->bustype == PCI_BUS) {
630 pcicore_deinit(sii->pch);
636 #endif /* BRCM_FULLMAC */
638 /* may be called with core in reset */
639 void si_detach(si_t *sih)
644 struct si_pub *si_local = NULL;
645 memcpy(&si_local, &sih, sizeof(si_t **));
652 if (sih->bustype == SI_BUS)
653 for (idx = 0; idx < SI_MAXCORES; idx++)
654 if (sii->regs[idx]) {
655 iounmap(sii->regs[idx]);
656 sii->regs[idx] = NULL;
660 nvram_exit((void *)si_local); /* free up nvram buffers */
662 if (sih->bustype == PCI_BUS) {
664 pcicore_deinit(sii->pch);
668 #if !defined(BCMBUSTYPE) || (BCMBUSTYPE == SI_BUS)
670 #endif /* !BCMBUSTYPE || (BCMBUSTYPE == SI_BUS) */
674 /* register driver interrupt disabling and restoring callback functions */
676 si_register_intr_callback(si_t *sih, void *intrsoff_fn, void *intrsrestore_fn,
677 void *intrsenabled_fn, void *intr_arg)
682 sii->intr_arg = intr_arg;
683 sii->intrsoff_fn = (si_intrsoff_t) intrsoff_fn;
684 sii->intrsrestore_fn = (si_intrsrestore_t) intrsrestore_fn;
685 sii->intrsenabled_fn = (si_intrsenabled_t) intrsenabled_fn;
686 /* save current core id. when this function called, the current core
687 * must be the core which provides driver functions(il, et, wl, etc.)
689 sii->dev_coreid = sii->coreid[sii->curidx];
692 void si_deregister_intr_callback(si_t *sih)
697 sii->intrsoff_fn = NULL;
700 uint si_flag(si_t *sih)
702 if (sih->socitype == SOCI_AI)
710 void si_setint(si_t *sih, int siflag)
712 if (sih->socitype == SOCI_AI)
713 ai_setint(sih, siflag);
719 uint si_coreid(si_t *sih)
724 return sii->coreid[sii->curidx];
728 uint si_coreidx(si_t *sih)
736 bool si_backplane64(si_t *sih)
738 return (sih->cccaps & CC_CAP_BKPLN64) != 0;
742 uint si_corerev(si_t *sih)
744 if (sih->socitype == SOCI_AI)
745 return ai_corerev(sih);
753 /* return index of coreid or BADIDX if not found */
754 uint si_findcoreidx(si_t *sih, uint coreid, uint coreunit)
764 for (i = 0; i < sii->numcores; i++)
765 if (sii->coreid[i] == coreid) {
766 if (found == coreunit)
775 * This function changes logical "focus" to the indicated core;
776 * must be called with interrupts off.
777 * Moreover, callers should keep interrupts off during switching out of and back to d11 core
779 void *si_setcore(si_t *sih, uint coreid, uint coreunit)
783 idx = si_findcoreidx(sih, coreid, coreunit);
787 if (sih->socitype == SOCI_AI)
788 return ai_setcoreidx(sih, idx);
791 return sb_setcoreidx(sih, idx);
800 void *si_setcoreidx(si_t *sih, uint coreidx)
802 if (sih->socitype == SOCI_AI)
803 return ai_setcoreidx(sih, coreidx);
811 /* Turn off interrupt as required by sb_setcore, before switch core */
812 void *si_switch_core(si_t *sih, uint coreid, uint *origidx, uint *intr_val)
820 /* Overloading the origidx variable to remember the coreid,
821 * this works because the core ids cannot be confused with
825 if (coreid == CC_CORE_ID)
826 return (void *)CCREGS_FAST(sii);
827 else if (coreid == sih->buscoretype)
828 return (void *)PCIEREGS(sii);
830 INTR_OFF(sii, *intr_val);
831 *origidx = sii->curidx;
832 cc = si_setcore(sih, coreid, 0);
838 /* restore coreidx and restore interrupt */
839 void si_restore_core(si_t *sih, uint coreid, uint intr_val)
845 && ((coreid == CC_CORE_ID) || (coreid == sih->buscoretype)))
848 si_setcoreidx(sih, coreid);
849 INTR_RESTORE(sii, intr_val);
852 u32 si_core_cflags(si_t *sih, u32 mask, u32 val)
854 if (sih->socitype == SOCI_AI)
855 return ai_core_cflags(sih, mask, val);
862 u32 si_core_sflags(si_t *sih, u32 mask, u32 val)
864 if (sih->socitype == SOCI_AI)
865 return ai_core_sflags(sih, mask, val);
872 bool si_iscoreup(si_t *sih)
874 if (sih->socitype == SOCI_AI)
875 return ai_iscoreup(sih);
878 return sb_iscoreup(sih);
886 void si_write_wrapperreg(si_t *sih, u32 offset, u32 val)
888 /* only for 4319, no requirement for SOCI_SB */
889 if (sih->socitype == SOCI_AI) {
890 ai_write_wrap_reg(sih, offset, val);
894 uint si_corereg(si_t *sih, uint coreidx, uint regoff, uint mask, uint val)
897 if (sih->socitype == SOCI_AI)
898 return ai_corereg(sih, coreidx, regoff, mask, val);
901 return sb_corereg(sih, coreidx, regoff, mask, val);
909 void si_core_disable(si_t *sih, u32 bits)
912 if (sih->socitype == SOCI_AI)
913 ai_core_disable(sih, bits);
916 sb_core_disable(sih, bits);
920 void si_core_reset(si_t *sih, u32 bits, u32 resetbits)
922 if (sih->socitype == SOCI_AI)
923 ai_core_reset(sih, bits, resetbits);
926 sb_core_reset(sih, bits, resetbits);
930 u32 si_alp_clock(si_t *sih)
932 if (PMUCTL_ENAB(sih))
933 return si_pmu_alp_clock(sih);
938 u32 si_ilp_clock(si_t *sih)
940 if (PMUCTL_ENAB(sih))
941 return si_pmu_ilp_clock(sih);
946 /* set chip watchdog reset timer to fire in 'ticks' */
949 si_watchdog(si_t *sih, uint ticks)
951 if (PMUCTL_ENAB(sih)) {
953 if ((sih->chip == BCM4319_CHIP_ID) && (sih->chiprev == 0) &&
955 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t,
956 clk_ctl_st), ~0, 0x2);
957 si_setcore(sih, USB20D_CORE_ID, 0);
958 si_core_disable(sih, 1);
959 si_setcore(sih, CC_CORE_ID, 0);
964 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pmuwatchdog),
968 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, watchdog),
973 void si_watchdog(si_t *sih, uint ticks)
977 if (PMUCTL_ENAB(sih)) {
979 if ((sih->chip == BCM4319_CHIP_ID) &&
980 (sih->chiprev == 0) && (ticks != 0)) {
981 si_corereg(sih, SI_CC_IDX,
982 offsetof(chipcregs_t, clk_ctl_st), ~0, 0x2);
983 si_setcore(sih, USB20D_CORE_ID, 0);
984 si_core_disable(sih, 1);
985 si_setcore(sih, CC_CORE_ID, 0);
988 nb = (sih->ccrev < 26) ? 16 : ((sih->ccrev >= 37) ? 32 : 24);
989 /* The mips compiler uses the sllv instruction,
990 * so we specially handle the 32-bit case.
995 maxt = ((1 << nb) - 1);
999 else if (ticks > maxt)
1002 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pmuwatchdog),
1005 /* make sure we come up in fast clock mode; or if clearing, clear clock */
1006 si_clkctl_cc(sih, ticks ? CLK_FAST : CLK_DYNAMIC);
1007 maxt = (1 << 28) - 1;
1011 si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, watchdog), ~0,
1017 /* return the slow clock source - LPO, XTAL, or PCI */
1018 static uint si_slowclk_src(si_info_t *sii)
1023 ASSERT(SI_FAST(sii) || si_coreid(&sii->pub) == CC_CORE_ID);
1025 if (sii->pub.ccrev < 6) {
1026 if (sii->pub.bustype == PCI_BUS) {
1027 pci_read_config_dword(sii->pbus, PCI_GPIO_OUT,
1029 if (val & PCI_CFG_GPIO_SCS)
1033 } else if (sii->pub.ccrev < 10) {
1034 cc = (chipcregs_t *) si_setcoreidx(&sii->pub, sii->curidx);
1035 return R_REG(&cc->slow_clk_ctl) & SCC_SS_MASK;
1036 } else /* Insta-clock */
1040 /* return the ILP (slowclock) min or max frequency */
1041 static uint si_slowclk_freq(si_info_t *sii, bool max_freq, chipcregs_t *cc)
1046 ASSERT(SI_FAST(sii) || si_coreid(&sii->pub) == CC_CORE_ID);
1048 /* shouldn't be here unless we've established the chip has dynamic clk control */
1049 ASSERT(R_REG(&cc->capabilities) & CC_CAP_PWR_CTL);
1051 slowclk = si_slowclk_src(sii);
1052 if (sii->pub.ccrev < 6) {
1053 if (slowclk == SCC_SS_PCI)
1054 return max_freq ? (PCIMAXFREQ / 64)
1055 : (PCIMINFREQ / 64);
1057 return max_freq ? (XTALMAXFREQ / 32)
1058 : (XTALMINFREQ / 32);
1059 } else if (sii->pub.ccrev < 10) {
1061 (((R_REG(&cc->slow_clk_ctl) & SCC_CD_MASK) >>
1063 if (slowclk == SCC_SS_LPO)
1064 return max_freq ? LPOMAXFREQ : LPOMINFREQ;
1065 else if (slowclk == SCC_SS_XTAL)
1066 return max_freq ? (XTALMAXFREQ / div)
1067 : (XTALMINFREQ / div);
1068 else if (slowclk == SCC_SS_PCI)
1069 return max_freq ? (PCIMAXFREQ / div)
1070 : (PCIMINFREQ / div);
1074 /* Chipc rev 10 is InstaClock */
1075 div = R_REG(&cc->system_clk_ctl) >> SYCC_CD_SHIFT;
1076 div = 4 * (div + 1);
1077 return max_freq ? XTALMAXFREQ : (XTALMINFREQ / div);
1082 static void si_clkctl_setdelay(si_info_t *sii, void *chipcregs)
1084 chipcregs_t *cc = (chipcregs_t *) chipcregs;
1085 uint slowmaxfreq, pll_delay, slowclk;
1086 uint pll_on_delay, fref_sel_delay;
1088 pll_delay = PLL_DELAY;
1090 /* If the slow clock is not sourced by the xtal then add the xtal_on_delay
1091 * since the xtal will also be powered down by dynamic clk control logic.
1094 slowclk = si_slowclk_src(sii);
1095 if (slowclk != SCC_SS_XTAL)
1096 pll_delay += XTAL_ON_DELAY;
1098 /* Starting with 4318 it is ILP that is used for the delays */
1100 si_slowclk_freq(sii, (sii->pub.ccrev >= 10) ? false : true, cc);
1102 pll_on_delay = ((slowmaxfreq * pll_delay) + 999999) / 1000000;
1103 fref_sel_delay = ((slowmaxfreq * FREF_DELAY) + 999999) / 1000000;
1105 W_REG(&cc->pll_on_delay, pll_on_delay);
1106 W_REG(&cc->fref_sel_delay, fref_sel_delay);
1109 /* initialize power control delay registers */
1110 void si_clkctl_init(si_t *sih)
1117 if (!CCCTL_ENAB(sih))
1121 fast = SI_FAST(sii);
1123 origidx = sii->curidx;
1124 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
1128 cc = (chipcregs_t *) CCREGS_FAST(sii);
1134 /* set all Instaclk chip ILP to 1 MHz */
1135 if (sih->ccrev >= 10)
1136 SET_REG(&cc->system_clk_ctl, SYCC_CD_MASK,
1137 (ILP_DIV_1MHZ << SYCC_CD_SHIFT));
1139 si_clkctl_setdelay(sii, (void *)cc);
1142 si_setcoreidx(sih, origidx);
1145 /* return the value suitable for writing to the dot11 core FAST_PWRUP_DELAY register */
1146 u16 si_clkctl_fast_pwrup_delay(si_t *sih)
1157 if (PMUCTL_ENAB(sih)) {
1158 INTR_OFF(sii, intr_val);
1159 fpdelay = si_pmu_fast_pwrup_delay(sih);
1160 INTR_RESTORE(sii, intr_val);
1164 if (!CCCTL_ENAB(sih))
1167 fast = SI_FAST(sii);
1170 origidx = sii->curidx;
1171 INTR_OFF(sii, intr_val);
1172 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
1176 cc = (chipcregs_t *) CCREGS_FAST(sii);
1182 slowminfreq = si_slowclk_freq(sii, false, cc);
1183 fpdelay = (((R_REG(&cc->pll_on_delay) + 2) * 1000000) +
1184 (slowminfreq - 1)) / slowminfreq;
1188 si_setcoreidx(sih, origidx);
1189 INTR_RESTORE(sii, intr_val);
1194 /* turn primary xtal and/or pll off/on */
1195 int si_clkctl_xtal(si_t *sih, uint what, bool on)
1202 switch (sih->bustype) {
1207 #endif /* BCMSDIO */
1210 /* pcie core doesn't have any mapping to control the xtal pu */
1214 pci_read_config_dword(sii->pbus, PCI_GPIO_IN, &in);
1215 pci_read_config_dword(sii->pbus, PCI_GPIO_OUT, &out);
1216 pci_read_config_dword(sii->pbus, PCI_GPIO_OUTEN, &outen);
1219 * Avoid glitching the clock if GPRS is already using it.
1220 * We can't actually read the state of the PLLPD so we infer it
1221 * by the value of XTAL_PU which *is* readable via gpioin.
1223 if (on && (in & PCI_CFG_GPIO_XTAL))
1227 outen |= PCI_CFG_GPIO_XTAL;
1229 outen |= PCI_CFG_GPIO_PLL;
1232 /* turn primary xtal on */
1234 out |= PCI_CFG_GPIO_XTAL;
1236 out |= PCI_CFG_GPIO_PLL;
1237 pci_write_config_dword(sii->pbus,
1239 pci_write_config_dword(sii->pbus,
1240 PCI_GPIO_OUTEN, outen);
1241 udelay(XTAL_ON_DELAY);
1246 out &= ~PCI_CFG_GPIO_PLL;
1247 pci_write_config_dword(sii->pbus,
1253 out &= ~PCI_CFG_GPIO_XTAL;
1255 out |= PCI_CFG_GPIO_PLL;
1256 pci_write_config_dword(sii->pbus,
1258 pci_write_config_dword(sii->pbus,
1259 PCI_GPIO_OUTEN, outen);
1270 * clock control policy function through chipcommon
1272 * set dynamic clk control mode (forceslow, forcefast, dynamic)
1273 * returns true if we are forcing fast clock
1274 * this is a wrapper over the next internal function
1275 * to allow flexible policy settings for outside caller
1277 bool si_clkctl_cc(si_t *sih, uint mode)
1283 /* chipcommon cores prior to rev6 don't support dynamic clock control */
1287 if (PCI_FORCEHT(sii))
1288 return mode == CLK_FAST;
1290 return _si_clkctl_cc(sii, mode);
1293 /* clk control mechanism through chipcommon, no policy checking */
1294 static bool _si_clkctl_cc(si_info_t *sii, uint mode)
1300 bool fast = SI_FAST(sii);
1302 /* chipcommon cores prior to rev6 don't support dynamic clock control */
1303 if (sii->pub.ccrev < 6)
1306 /* Chips with ccrev 10 are EOL and they don't have SYCC_HR which we use below */
1307 ASSERT(sii->pub.ccrev != 10);
1310 INTR_OFF(sii, intr_val);
1311 origidx = sii->curidx;
1313 if ((sii->pub.bustype == SI_BUS) &&
1314 si_setcore(&sii->pub, MIPS33_CORE_ID, 0) &&
1315 (si_corerev(&sii->pub) <= 7) && (sii->pub.ccrev >= 10))
1318 cc = (chipcregs_t *) si_setcore(&sii->pub, CC_CORE_ID, 0);
1320 cc = (chipcregs_t *) CCREGS_FAST(sii);
1326 if (!CCCTL_ENAB(&sii->pub) && (sii->pub.ccrev < 20))
1330 case CLK_FAST: /* FORCEHT, fast (pll) clock */
1331 if (sii->pub.ccrev < 10) {
1332 /* don't forget to force xtal back on before we clear SCC_DYN_XTAL.. */
1333 si_clkctl_xtal(&sii->pub, XTAL, ON);
1334 SET_REG(&cc->slow_clk_ctl,
1335 (SCC_XC | SCC_FS | SCC_IP), SCC_IP);
1336 } else if (sii->pub.ccrev < 20) {
1337 OR_REG(&cc->system_clk_ctl, SYCC_HR);
1339 OR_REG(&cc->clk_ctl_st, CCS_FORCEHT);
1342 /* wait for the PLL */
1343 if (PMUCTL_ENAB(&sii->pub)) {
1344 u32 htavail = CCS_HTAVAIL;
1345 SPINWAIT(((R_REG(&cc->clk_ctl_st) & htavail)
1346 == 0), PMU_MAX_TRANSITION_DLY);
1347 ASSERT(R_REG(&cc->clk_ctl_st) & htavail);
1353 case CLK_DYNAMIC: /* enable dynamic clock control */
1354 if (sii->pub.ccrev < 10) {
1355 scc = R_REG(&cc->slow_clk_ctl);
1356 scc &= ~(SCC_FS | SCC_IP | SCC_XC);
1357 if ((scc & SCC_SS_MASK) != SCC_SS_XTAL)
1359 W_REG(&cc->slow_clk_ctl, scc);
1361 /* for dynamic control, we have to release our xtal_pu "force on" */
1363 si_clkctl_xtal(&sii->pub, XTAL, OFF);
1364 } else if (sii->pub.ccrev < 20) {
1366 AND_REG(&cc->system_clk_ctl, ~SYCC_HR);
1368 AND_REG(&cc->clk_ctl_st, ~CCS_FORCEHT);
1378 si_setcoreidx(&sii->pub, origidx);
1379 INTR_RESTORE(sii, intr_val);
1381 return mode == CLK_FAST;
1384 /* Build device path. Support SI, PCI, and JTAG for now. */
1385 int si_devpath(si_t *sih, char *path, int size)
1389 ASSERT(path != NULL);
1390 ASSERT(size >= SI_DEVPATH_BUFSZ);
1392 if (!path || size <= 0)
1395 switch (sih->bustype) {
1398 slen = snprintf(path, (size_t) size, "sb/%u/", si_coreidx(sih));
1401 ASSERT((SI_INFO(sih))->pbus != NULL);
1402 slen = snprintf(path, (size_t) size, "pci/%u/%u/",
1403 ((struct pci_dev *)((SI_INFO(sih))->pbus))->bus->number,
1405 ((struct pci_dev *)((SI_INFO(sih))->pbus))->devfn));
1410 SI_ERROR(("si_devpath: device 0 assumed\n"));
1411 slen = snprintf(path, (size_t) size, "sd/%u/", si_coreidx(sih));
1420 if (slen < 0 || slen >= size) {
1428 /* Get a variable, but only if it has a devpath prefix */
1429 char *si_getdevpathvar(si_t *sih, const char *name)
1431 char varname[SI_DEVPATH_BUFSZ + 32];
1433 si_devpathvar(sih, varname, sizeof(varname), name);
1435 return getvar(NULL, varname);
1438 /* Get a variable, but only if it has a devpath prefix */
1439 int si_getdevpathintvar(si_t *sih, const char *name)
1441 #if defined(BCMBUSTYPE) && (BCMBUSTYPE == SI_BUS)
1442 return getintvar(NULL, name);
1444 char varname[SI_DEVPATH_BUFSZ + 32];
1446 si_devpathvar(sih, varname, sizeof(varname), name);
1448 return getintvar(NULL, varname);
1452 char *si_getnvramflvar(si_t *sih, const char *name)
1454 return getvar(NULL, name);
1457 /* Concatenate the dev path with a varname into the given 'var' buffer
1458 * and return the 'var' pointer.
1459 * Nothing is done to the arguments if len == 0 or var is NULL, var is still returned.
1460 * On overflow, the first char will be set to '\0'.
1462 static char *si_devpathvar(si_t *sih, char *var, int len, const char *name)
1466 if (!var || len <= 0)
1469 if (si_devpath(sih, var, len) == 0) {
1470 path_len = strlen(var);
1472 if (strlen(name) + 1 > (uint) (len - path_len))
1475 strncpy(var + path_len, name, len - path_len - 1);
1481 /* return true if PCIE capability exists in the pci config space */
1482 static __used bool si_ispcie(si_info_t *sii)
1486 if (sii->pub.bustype != PCI_BUS)
1489 cap_ptr = pcicore_find_pci_capability(sii->pbus, PCI_CAP_ID_EXP, NULL,
1498 /* initialize the sdio core */
1499 void si_sdio_init(si_t *sih)
1501 si_info_t *sii = SI_INFO(sih);
1503 if (((sih->buscoretype == PCMCIA_CORE_ID) && (sih->buscorerev >= 8)) ||
1504 (sih->buscoretype == SDIOD_CORE_ID)) {
1506 sdpcmd_regs_t *sdpregs;
1508 /* get the current core index */
1510 ASSERT(idx == si_findcoreidx(sih, D11_CORE_ID, 0));
1512 /* switch to sdio core */
1513 sdpregs = (sdpcmd_regs_t *) si_setcore(sih, PCMCIA_CORE_ID, 0);
1516 (sdpcmd_regs_t *) si_setcore(sih, SDIOD_CORE_ID, 0);
1519 SI_MSG(("si_sdio_init: For PCMCIA/SDIO Corerev %d, enable ints from core %d " "through SD core %d (%p)\n", sih->buscorerev, idx, sii->curidx, sdpregs));
1521 /* enable backplane error and core interrupts */
1522 W_REG(&sdpregs->hostintmask, I_SBINT);
1523 W_REG(&sdpregs->sbintmask,
1524 (I_SB_SERR | I_SB_RESPERR | (1 << idx)));
1526 /* switch back to previous core */
1527 si_setcoreidx(sih, idx);
1530 /* enable interrupts */
1531 bcmsdh_intr_enable(sii->pbus);
1534 #endif /* BCMSDIO */
1536 bool si_pci_war16165(si_t *sih)
1542 return PCI(sii) && (sih->buscorerev <= 10);
1545 void si_pci_up(si_t *sih)
1551 /* if not pci bus, we're done */
1552 if (sih->bustype != PCI_BUS)
1555 if (PCI_FORCEHT(sii))
1556 _si_clkctl_cc(sii, CLK_FAST);
1559 pcicore_up(sii->pch, SI_PCIUP);
1563 /* Unconfigure and/or apply various WARs when system is going to sleep mode */
1564 void si_pci_sleep(si_t *sih)
1570 pcicore_sleep(sii->pch);
1573 /* Unconfigure and/or apply various WARs when going down */
1574 void si_pci_down(si_t *sih)
1580 /* if not pci bus, we're done */
1581 if (sih->bustype != PCI_BUS)
1584 /* release FORCEHT since chip is going to "down" state */
1585 if (PCI_FORCEHT(sii))
1586 _si_clkctl_cc(sii, CLK_DYNAMIC);
1588 pcicore_down(sii->pch, SI_PCIDOWN);
1592 * Configure the pci core for pci client (NIC) action
1593 * coremask is the bitvec of cores by index to be enabled.
1595 void si_pci_setup(si_t *sih, uint coremask)
1598 struct sbpciregs *pciregs = NULL;
1604 if (sii->pub.bustype != PCI_BUS)
1607 ASSERT(PCI(sii) || PCIE(sii));
1608 ASSERT(sii->pub.buscoreidx != BADIDX);
1611 /* get current core index */
1614 /* we interrupt on this backplane flag number */
1615 siflag = si_flag(sih);
1617 /* switch over to pci core */
1618 pciregs = (struct sbpciregs *)si_setcoreidx(sih, sii->pub.buscoreidx);
1622 * Enable sb->pci interrupts. Assume
1623 * PCI rev 2.3 support was added in pci core rev 6 and things changed..
1625 if (PCIE(sii) || (PCI(sii) && ((sii->pub.buscorerev) >= 6))) {
1626 /* pci config write to set this core bit in PCIIntMask */
1627 pci_read_config_dword(sii->pbus, PCI_INT_MASK, &w);
1628 w |= (coremask << PCI_SBIM_SHIFT);
1629 pci_write_config_dword(sii->pbus, PCI_INT_MASK, w);
1631 /* set sbintvec bit for our flag number */
1632 si_setint(sih, siflag);
1636 OR_REG(&pciregs->sbtopci2,
1637 (SBTOPCI_PREF | SBTOPCI_BURST));
1638 if (sii->pub.buscorerev >= 11) {
1639 OR_REG(&pciregs->sbtopci2,
1640 SBTOPCI_RC_READMULTI);
1641 w = R_REG(&pciregs->clkrun);
1642 W_REG(&pciregs->clkrun,
1643 (w | PCI_CLKRUN_DSBL));
1644 w = R_REG(&pciregs->clkrun);
1647 /* switch back to previous core */
1648 si_setcoreidx(sih, idx);
1653 * Fixup SROMless PCI device's configuration.
1654 * The current core may be changed upon return.
1656 int si_pci_fixcfg(si_t *sih)
1658 uint origidx, pciidx;
1659 struct sbpciregs *pciregs = NULL;
1660 sbpcieregs_t *pcieregs = NULL;
1662 u16 val16, *reg16 = NULL;
1664 si_info_t *sii = SI_INFO(sih);
1666 ASSERT(sii->pub.bustype == PCI_BUS);
1668 /* Fixup PI in SROM shadow area to enable the correct PCI core access */
1669 /* save the current index */
1670 origidx = si_coreidx(&sii->pub);
1672 /* check 'pi' is correct and fix it if not */
1673 if (sii->pub.buscoretype == PCIE_CORE_ID) {
1675 (sbpcieregs_t *) si_setcore(&sii->pub, PCIE_CORE_ID, 0);
1677 ASSERT(pcieregs != NULL);
1678 reg16 = &pcieregs->sprom[SRSH_PI_OFFSET];
1679 } else if (sii->pub.buscoretype == PCI_CORE_ID) {
1680 pciregs = (struct sbpciregs *)si_setcore(&sii->pub, PCI_CORE_ID, 0);
1682 ASSERT(pciregs != NULL);
1683 reg16 = &pciregs->sprom[SRSH_PI_OFFSET];
1685 pciidx = si_coreidx(&sii->pub);
1686 val16 = R_REG(reg16);
1687 if (((val16 & SRSH_PI_MASK) >> SRSH_PI_SHIFT) != (u16) pciidx) {
1689 (u16) (pciidx << SRSH_PI_SHIFT) | (val16 &
1691 W_REG(reg16, val16);
1694 /* restore the original index */
1695 si_setcoreidx(&sii->pub, origidx);
1697 pcicore_hwup(sii->pch);
1701 /* mask&set gpiocontrol bits */
1702 u32 si_gpiocontrol(si_t *sih, u32 mask, u32 val, u8 priority)
1708 /* gpios could be shared on router platforms
1709 * ignore reservation if it's high priority (e.g., test apps)
1711 if ((priority != GPIO_HI_PRIORITY) &&
1712 (sih->bustype == SI_BUS) && (val || mask)) {
1713 mask = priority ? (si_gpioreservation & mask) :
1714 ((si_gpioreservation | mask) & ~(si_gpioreservation));
1718 regoff = offsetof(chipcregs_t, gpiocontrol);
1719 return si_corereg(sih, SI_CC_IDX, regoff, mask, val);
1722 /* Return the size of the specified SOCRAM bank */
1724 socram_banksize(si_info_t *sii, sbsocramregs_t *regs, u8 index,
1727 uint banksize, bankinfo;
1728 uint bankidx = index | (mem_type << SOCRAM_BANKIDX_MEMTYPE_SHIFT);
1730 ASSERT(mem_type <= SOCRAM_MEMTYPE_DEVRAM);
1732 W_REG(®s->bankidx, bankidx);
1733 bankinfo = R_REG(®s->bankinfo);
1735 SOCRAM_BANKINFO_SZBASE * ((bankinfo & SOCRAM_BANKINFO_SZMASK) + 1);
1739 /* Return the RAM size of the SOCRAM core */
1740 u32 si_socram_size(si_t *sih)
1746 sbsocramregs_t *regs;
1754 /* Block ints and save current core */
1755 INTR_OFF(sii, intr_val);
1756 origidx = si_coreidx(sih);
1758 /* Switch to SOCRAM core */
1759 regs = si_setcore(sih, SOCRAM_CORE_ID, 0);
1763 /* Get info for determining size */
1764 wasup = si_iscoreup(sih);
1766 si_core_reset(sih, 0, 0);
1767 corerev = si_corerev(sih);
1768 coreinfo = R_REG(®s->coreinfo);
1770 /* Calculate size from coreinfo based on rev */
1772 memsize = 1 << (16 + (coreinfo & SRCI_MS0_MASK));
1773 else if (corerev < 3) {
1774 memsize = 1 << (SR_BSZ_BASE + (coreinfo & SRCI_SRBSZ_MASK));
1775 memsize *= (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
1776 } else if ((corerev <= 7) || (corerev == 12)) {
1777 uint nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
1778 uint bsz = (coreinfo & SRCI_SRBSZ_MASK);
1779 uint lss = (coreinfo & SRCI_LSS_MASK) >> SRCI_LSS_SHIFT;
1782 memsize = nb * (1 << (bsz + SR_BSZ_BASE));
1784 memsize += (1 << ((lss - 1) + SR_BSZ_BASE));
1787 uint nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
1788 for (i = 0; i < nb; i++)
1790 socram_banksize(sii, regs, i, SOCRAM_MEMTYPE_RAM);
1793 /* Return to previous state and core */
1795 si_core_disable(sih, 0);
1796 si_setcoreidx(sih, origidx);
1799 INTR_RESTORE(sii, intr_val);
1804 void si_chipcontrl_epa4331(si_t *sih, bool on)
1812 origidx = si_coreidx(sih);
1814 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
1816 val = R_REG(&cc->chipcontrol);
1819 if (sih->chippkg == 9 || sih->chippkg == 0xb) {
1820 /* Ext PA Controls for 4331 12x9 Package */
1821 W_REG(&cc->chipcontrol, val |
1822 (CCTRL4331_EXTPA_EN |
1823 CCTRL4331_EXTPA_ON_GPIO2_5));
1825 /* Ext PA Controls for 4331 12x12 Package */
1826 W_REG(&cc->chipcontrol,
1827 val | (CCTRL4331_EXTPA_EN));
1830 val &= ~(CCTRL4331_EXTPA_EN | CCTRL4331_EXTPA_ON_GPIO2_5);
1831 W_REG(&cc->chipcontrol, val);
1834 si_setcoreidx(sih, origidx);
1837 /* Enable BT-COEX & Ex-PA for 4313 */
1838 void si_epa_4313war(si_t *sih)
1845 origidx = si_coreidx(sih);
1847 cc = (chipcregs_t *) si_setcore(sih, CC_CORE_ID, 0);
1850 W_REG(&cc->gpiocontrol,
1851 R_REG(&cc->gpiocontrol) | GPIO_CTRL_EPA_EN_MASK);
1853 si_setcoreidx(sih, origidx);
1856 /* check if the device is removed */
1857 bool si_deviceremoved(si_t *sih)
1864 switch (sih->bustype) {
1866 ASSERT(sii->pbus != NULL);
1867 pci_read_config_dword(sii->pbus, PCI_VENDOR_ID, &w);
1868 if ((w & 0xFFFF) != PCI_VENDOR_ID_BROADCOM)
1875 bool si_is_sprom_available(si_t *sih)
1877 if (sih->ccrev >= 31) {
1883 if ((sih->cccaps & CC_CAP_SROM) == 0)
1887 origidx = sii->curidx;
1888 cc = si_setcoreidx(sih, SI_CC_IDX);
1889 sromctrl = R_REG(&cc->sromcontrol);
1890 si_setcoreidx(sih, origidx);
1891 return sromctrl & SRC_PRESENT;
1894 switch (sih->chip) {
1895 case BCM4329_CHIP_ID:
1896 return (sih->chipst & CST4329_SPROM_SEL) != 0;
1897 case BCM4319_CHIP_ID:
1898 return (sih->chipst & CST4319_SPROM_SEL) != 0;
1899 case BCM4336_CHIP_ID:
1900 return (sih->chipst & CST4336_SPROM_PRESENT) != 0;
1901 case BCM4330_CHIP_ID:
1902 return (sih->chipst & CST4330_SPROM_PRESENT) != 0;
1903 case BCM4313_CHIP_ID:
1904 return (sih->chipst & CST4313_SPROM_PRESENT) != 0;
1905 case BCM4331_CHIP_ID:
1906 return (sih->chipst & CST4331_SPROM_PRESENT) != 0;
1912 bool si_is_otp_disabled(si_t *sih)
1914 switch (sih->chip) {
1915 case BCM4329_CHIP_ID:
1916 return (sih->chipst & CST4329_SPROM_OTP_SEL_MASK) ==
1918 case BCM4319_CHIP_ID:
1919 return (sih->chipst & CST4319_SPROM_OTP_SEL_MASK) ==
1921 case BCM4336_CHIP_ID:
1922 return (sih->chipst & CST4336_OTP_PRESENT) == 0;
1923 case BCM4330_CHIP_ID:
1924 return (sih->chipst & CST4330_OTP_PRESENT) == 0;
1925 case BCM4313_CHIP_ID:
1926 return (sih->chipst & CST4313_OTP_PRESENT) == 0;
1927 /* These chips always have their OTP on */
1928 case BCM43224_CHIP_ID:
1929 case BCM43225_CHIP_ID:
1930 case BCM43421_CHIP_ID:
1931 case BCM43235_CHIP_ID:
1932 case BCM43236_CHIP_ID:
1933 case BCM43238_CHIP_ID:
1934 case BCM4331_CHIP_ID:
1940 bool si_is_otp_powered(si_t *sih)
1942 if (PMUCTL_ENAB(sih))
1943 return si_pmu_is_otp_powered(sih);
1947 void si_otp_power(si_t *sih, bool on)
1949 if (PMUCTL_ENAB(sih))
1950 si_pmu_otp_power(sih, on);