drivers/net/wireless/brcm80211/bcmdhd/aiutils.c - kernel/panda - Git at Google

 /*
  * Misc utility routines for accessing chip-specific features
  * of the SiliconBackplane-based Broadcom chips.
  *
  * Copyright (C) 1999-2011, Broadcom Corporation
  *
  *         Unless you and Broadcom execute a separate written software license
  * agreement governing use of this software, this software is licensed to you
  * under the terms of the GNU General Public License version 2 (the "GPL"),
  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
  * following added to such license:
  *
  *      As a special exception, the copyright holders of this software give you
  * permission to link this software with independent modules, and to copy and
  * distribute the resulting executable under terms of your choice, provided that
  * you also meet, for each linked independent module, the terms and conditions of
  * the license of that module.  An independent module is a module which is not
  * derived from this software.  The special exception does not apply to any
  * modifications of the software.
  *
  *      Notwithstanding the above, under no circumstances may you combine this
  * software in any way with any other Broadcom software provided under a license
  * other than the GPL, without Broadcom's express prior written consent.
  *
  * $Id: aiutils.c,v 1.26.2.1 2010-03-09 18:41:21 Exp $
  */


 #include <typedefs.h>
 #include <bcmdefs.h>
 #include <osl.h>
 #include <bcmutils.h>
 #include <siutils.h>
 #include <hndsoc.h>
 #include <sbchipc.h>
 #include <pcicfg.h>

 #include "siutils_priv.h"


 static uint32
 get_erom_ent(si_t *sih, uint32 **eromptr, uint32 mask, uint32 match)
 {
 	uint32 ent;
 	uint inv = 0, nom = 0;

 	while (TRUE) {
 		ent = R_REG(si_osh(sih), *eromptr);
 		(*eromptr)++;

 		if (mask == 0)
 			break;

 		if ((ent & ER_VALID) == 0) {
 			inv++;
 			continue;
 		}

 		if (ent == (ER_END | ER_VALID))
 			break;

 		if ((ent & mask) == match)
 			break;

 		nom++;
 	}

 	SI_VMSG(("%s: Returning ent 0x%08x\n", __FUNCTION__, ent));
 	if (inv + nom) {
 		SI_VMSG(("  after %d invalid and %d non-matching entries\n", inv, nom));
 	}
 	return ent;
 }

 static uint32
 get_asd(si_t *sih, uint32 **eromptr, uint sp, uint ad, uint st, uint32 *addrl, uint32 *addrh,
         uint32 *sizel, uint32 *sizeh)
 {
 	uint32 asd, sz, szd;

 	asd = get_erom_ent(sih, eromptr, ER_VALID, ER_VALID);
 	if (((asd & ER_TAG1) != ER_ADD) ||
 	    (((asd & AD_SP_MASK) >> AD_SP_SHIFT) != sp) ||
 	    ((asd & AD_ST_MASK) != st)) {

 		(*eromptr)--;
 		return 0;
 	}
 	*addrl = asd & AD_ADDR_MASK;
 	if (asd & AD_AG32)
 		*addrh = get_erom_ent(sih, eromptr, 0, 0);
 	else
 		*addrh = 0;
 	*sizeh = 0;
 	sz = asd & AD_SZ_MASK;
 	if (sz == AD_SZ_SZD) {
 		szd = get_erom_ent(sih, eromptr, 0, 0);
 		*sizel = szd & SD_SZ_MASK;
 		if (szd & SD_SG32)
 			*sizeh = get_erom_ent(sih, eromptr, 0, 0);
 	} else
 		*sizel = AD_SZ_BASE << (sz >> AD_SZ_SHIFT);

 	SI_VMSG(("  SP %d, ad %d: st = %d, 0x%08x_0x%08x @ 0x%08x_0x%08x\n",
 	        sp, ad, st, *sizeh, *sizel, *addrh, *addrl));

 	return asd;
 }

 static void
 ai_hwfixup(si_info_t *sii)
 {
 }


 void
 ai_scan(si_t *sih, void *regs, uint devid)
 {
 	si_info_t *sii = SI_INFO(sih);
 	chipcregs_t *cc = (chipcregs_t *)regs;
 	uint32 erombase, *eromptr, *eromlim;

 	erombase = R_REG(sii->osh, &cc->eromptr);

 	switch (BUSTYPE(sih->bustype)) {
 	case SI_BUS:
 		eromptr = (uint32 *)REG_MAP(erombase, SI_CORE_SIZE);
 		break;

 	case PCI_BUS:

 		sii->curwrap = (void *)((uintptr)regs + SI_CORE_SIZE);


 		OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN, 4, erombase);
 		eromptr = regs;
 		break;

 	case SPI_BUS:
 	case SDIO_BUS:
 		eromptr = (uint32 *)(uintptr)erombase;
 		break;

 	case PCMCIA_BUS:
 	default:
 		SI_ERROR(("Don't know how to do AXI enumertion on bus %d\n", sih->bustype));
 		ASSERT(0);
 		return;
 	}
 	eromlim = eromptr + (ER_REMAPCONTROL / sizeof(uint32));

 	SI_VMSG(("ai_scan: regs = 0x%p, erombase = 0x%08x, eromptr = 0x%p, eromlim = 0x%p\n",
 	         regs, erombase, eromptr, eromlim));
 	while (eromptr < eromlim) {
 		uint32 cia, cib, cid, mfg, crev, nmw, nsw, nmp, nsp;
 		uint32 mpd, asd, addrl, addrh, sizel, sizeh;
 		uint32 *base;
 		uint i, j, idx;
 		bool br;

 		br = FALSE;


 		cia = get_erom_ent(sih, &eromptr, ER_TAG, ER_CI);
 		if (cia == (ER_END | ER_VALID)) {
 			SI_VMSG(("Found END of erom after %d cores\n", sii->numcores));
 			ai_hwfixup(sii);
 			return;
 		}
 		base = eromptr - 1;
 		cib = get_erom_ent(sih, &eromptr, 0, 0);

 		if ((cib & ER_TAG) != ER_CI) {
 			SI_ERROR(("CIA not followed by CIB\n"));
 			goto error;
 		}

 		cid = (cia & CIA_CID_MASK) >> CIA_CID_SHIFT;
 		mfg = (cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT;
 		crev = (cib & CIB_REV_MASK) >> CIB_REV_SHIFT;
 		nmw = (cib & CIB_NMW_MASK) >> CIB_NMW_SHIFT;
 		nsw = (cib & CIB_NSW_MASK) >> CIB_NSW_SHIFT;
 		nmp = (cib & CIB_NMP_MASK) >> CIB_NMP_SHIFT;
 		nsp = (cib & CIB_NSP_MASK) >> CIB_NSP_SHIFT;

 		SI_VMSG(("Found component 0x%04x/0x%04x rev %d at erom addr 0x%p, with nmw = %d, "
 		         "nsw = %d, nmp = %d & nsp = %d\n",
 		         mfg, cid, crev, base, nmw, nsw, nmp, nsp));

 		if (((mfg == MFGID_ARM) && (cid == DEF_AI_COMP)) || (nsp == 0))
 			continue;
 		if ((nmw + nsw == 0)) {

 			if (cid == OOB_ROUTER_CORE_ID) {
 				asd = get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE,
 					&addrl, &addrh, &sizel, &sizeh);
 				if (asd != 0) {
 					sii->oob_router = addrl;
 				}
 			}
 			continue;
 		}

 		idx = sii->numcores;

 		sii->cia[idx] = cia;
 		sii->cib[idx] = cib;
 		sii->coreid[idx] = cid;

 		for (i = 0; i < nmp; i++) {
 			mpd = get_erom_ent(sih, &eromptr, ER_VALID, ER_VALID);
 			if ((mpd & ER_TAG) != ER_MP) {
 				SI_ERROR(("Not enough MP entries for component 0x%x\n", cid));
 				goto error;
 			}
 			SI_VMSG(("  Master port %d, mp: %d id: %d\n", i,
 			         (mpd & MPD_MP_MASK) >> MPD_MP_SHIFT,
 			         (mpd & MPD_MUI_MASK) >> MPD_MUI_SHIFT));
 		}


 		asd = get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE, &addrl, &addrh, &sizel, &sizeh);
 		if (asd == 0) {

 			asd = get_asd(sih, &eromptr, 0, 0, AD_ST_BRIDGE, &addrl, &addrh,
 			              &sizel, &sizeh);
 			if (asd != 0)
 				br = TRUE;
 			else
 				if ((addrh != 0) || (sizeh != 0) || (sizel != SI_CORE_SIZE)) {
 					SI_ERROR(("First Slave ASD for core 0x%04x malformed "
 					          "(0x%08x)\n", cid, asd));
 					goto error;
 				}
 		}
 		sii->coresba[idx] = addrl;
 		sii->coresba_size[idx] = sizel;

 		j = 1;
 		do {
 			asd = get_asd(sih, &eromptr, 0, j, AD_ST_SLAVE, &addrl, &addrh,
 			              &sizel, &sizeh);
 			if ((asd != 0) && (j == 1) && (sizel == SI_CORE_SIZE)) {
 				sii->coresba2[idx] = addrl;
 				sii->coresba2_size[idx] = sizel;
 			}
 			j++;
 		} while (asd != 0);


 		for (i = 1; i < nsp; i++) {
 			j = 0;
 			do {
 				asd = get_asd(sih, &eromptr, i, j++, AD_ST_SLAVE, &addrl, &addrh,
 				              &sizel, &sizeh);
 			} while (asd != 0);
 			if (j == 0) {
 				SI_ERROR((" SP %d has no address descriptors\n", i));
 				goto error;
 			}
 		}


 		for (i = 0; i < nmw; i++) {
 			asd = get_asd(sih, &eromptr, i, 0, AD_ST_MWRAP, &addrl, &addrh,
 			              &sizel, &sizeh);
 			if (asd == 0) {
 				SI_ERROR(("Missing descriptor for MW %d\n", i));
 				goto error;
 			}
 			if ((sizeh != 0) || (sizel != SI_CORE_SIZE)) {
 				SI_ERROR(("Master wrapper %d is not 4KB\n", i));
 				goto error;
 			}
 			if (i == 0)
 				sii->wrapba[idx] = addrl;
 		}


 		for (i = 0; i < nsw; i++) {
 			uint fwp = (nsp == 1) ? 0 : 1;
 			asd = get_asd(sih, &eromptr, fwp + i, 0, AD_ST_SWRAP, &addrl, &addrh,
 			              &sizel, &sizeh);
 			if (asd == 0) {
 				SI_ERROR(("Missing descriptor for SW %d\n", i));
 				goto error;
 			}
 			if ((sizeh != 0) || (sizel != SI_CORE_SIZE)) {
 				SI_ERROR(("Slave wrapper %d is not 4KB\n", i));
 				goto error;
 			}
 			if ((nmw == 0) && (i == 0))
 				sii->wrapba[idx] = addrl;
 		}


 		if (br)
 			continue;


 		sii->numcores++;
 	}

 	SI_ERROR(("Reached end of erom without finding END"));

 error:
 	sii->numcores = 0;
 	return;
 }


 void *
 ai_setcoreidx(si_t *sih, uint coreidx)
 {
 	si_info_t *sii = SI_INFO(sih);
 	uint32 addr = sii->coresba[coreidx];
 	uint32 wrap = sii->wrapba[coreidx];
 	void *regs;

 	if (coreidx >= sii->numcores)
 		return (NULL);


 	ASSERT((sii->intrsenabled_fn == NULL) || !(*(sii)->intrsenabled_fn)((sii)->intr_arg));

 	switch (BUSTYPE(sih->bustype)) {
 	case SI_BUS:

 		if (!sii->regs[coreidx]) {
 			sii->regs[coreidx] = REG_MAP(addr, SI_CORE_SIZE);
 			ASSERT(GOODREGS(sii->regs[coreidx]));
 		}
 		sii->curmap = regs = sii->regs[coreidx];
 		if (!sii->wrappers[coreidx]) {
 			sii->wrappers[coreidx] = REG_MAP(wrap, SI_CORE_SIZE);
 			ASSERT(GOODREGS(sii->wrappers[coreidx]));
 		}
 		sii->curwrap = sii->wrappers[coreidx];
 		break;


 	case SPI_BUS:
 	case SDIO_BUS:
 		sii->curmap = regs = (void *)((uintptr)addr);
 		sii->curwrap = (void *)((uintptr)wrap);
 		break;

 	case PCMCIA_BUS:
 	default:
 		ASSERT(0);
 		regs = NULL;
 		break;
 	}

 	sii->curmap = regs;
 	sii->curidx = coreidx;

 	return regs;
 }


 int
 ai_numaddrspaces(si_t *sih)
 {
 	return 2;
 }


 uint32
 ai_addrspace(si_t *sih, uint asidx)
 {
 	si_info_t *sii;
 	uint cidx;

 	sii = SI_INFO(sih);
 	cidx = sii->curidx;

 	if (asidx == 0)
 		return sii->coresba[cidx];
 	else if (asidx == 1)
 		return sii->coresba2[cidx];
 	else {
 		SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n",
 		          __FUNCTION__, asidx));
 		return 0;
 	}
 }


 uint32
 ai_addrspacesize(si_t *sih, uint asidx)
 {
 	si_info_t *sii;
 	uint cidx;

 	sii = SI_INFO(sih);
 	cidx = sii->curidx;

 	if (asidx == 0)
 		return sii->coresba_size[cidx];
 	else if (asidx == 1)
 		return sii->coresba2_size[cidx];
 	else {
 		SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n",
 		          __FUNCTION__, asidx));
 		return 0;
 	}
 }

 uint
 ai_flag(si_t *sih)
 {
 	si_info_t *sii;
 	aidmp_t *ai;

 	sii = SI_INFO(sih);
 	ai = sii->curwrap;

 	return (R_REG(sii->osh, &ai->oobselouta30) & 0x1f);
 }

 void
 ai_setint(si_t *sih, int siflag)
 {
 }

 uint
 ai_wrap_reg(si_t *sih, uint32 offset, uint32 mask, uint32 val)
 {
 	si_info_t *sii = SI_INFO(sih);
 	uint32 *map = (uint32 *) sii->curwrap;

 	if (mask || val) {
 		uint32 w = R_REG(sii->osh, map+(offset/4));
 		w &= ~mask;
 		w |= val;
 		W_REG(sii->osh, map+(offset/4), val);
 	}

 	return (R_REG(sii->osh, map+(offset/4)));
 }

 uint
 ai_corevendor(si_t *sih)
 {
 	si_info_t *sii;
 	uint32 cia;

 	sii = SI_INFO(sih);
 	cia = sii->cia[sii->curidx];
 	return ((cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT);
 }

 uint
 ai_corerev(si_t *sih)
 {
 	si_info_t *sii;
 	uint32 cib;

 	sii = SI_INFO(sih);
 	cib = sii->cib[sii->curidx];
 	return ((cib & CIB_REV_MASK) >> CIB_REV_SHIFT);
 }

 bool
 ai_iscoreup(si_t *sih)
 {
 	si_info_t *sii;
 	aidmp_t *ai;

 	sii = SI_INFO(sih);
 	ai = sii->curwrap;

 	return (((R_REG(sii->osh, &ai->ioctrl) & (SICF_FGC | SICF_CLOCK_EN)) == SICF_CLOCK_EN) &&
 	        ((R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET) == 0));
 }


 uint
 ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask, uint val)
 {
 	uint origidx = 0;
 	uint32 *r = NULL;
 	uint w;
 	uint intr_val = 0;
 	bool fast = FALSE;
 	si_info_t *sii;

 	sii = SI_INFO(sih);

 	ASSERT(GOODIDX(coreidx));
 	ASSERT(regoff < SI_CORE_SIZE);
 	ASSERT((val & ~mask) == 0);

 	if (coreidx >= SI_MAXCORES)
 		return 0;

 	if (BUSTYPE(sih->bustype) == SI_BUS) {

 		fast = TRUE;

 		if (!sii->regs[coreidx]) {
 			sii->regs[coreidx] = REG_MAP(sii->coresba[coreidx],
 			                            SI_CORE_SIZE);
 			ASSERT(GOODREGS(sii->regs[coreidx]));
 		}
 		r = (uint32 *)((uchar *)sii->regs[coreidx] + regoff);
 	} else if (BUSTYPE(sih->bustype) == PCI_BUS) {


 		if ((sii->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sii)) {


 			fast = TRUE;
 			r = (uint32 *)((char *)sii->curmap + PCI_16KB0_CCREGS_OFFSET + regoff);
 		} else if (sii->pub.buscoreidx == coreidx) {

 			fast = TRUE;
 			if (SI_FAST(sii))
 				r = (uint32 *)((char *)sii->curmap +
 				               PCI_16KB0_PCIREGS_OFFSET + regoff);
 			else
 				r = (uint32 *)((char *)sii->curmap +
 				               ((regoff >= SBCONFIGOFF) ?
 				                PCI_BAR0_PCISBR_OFFSET : PCI_BAR0_PCIREGS_OFFSET) +
 				               regoff);
 		}
 	}

 	if (!fast) {
 		INTR_OFF(sii, intr_val);


 		origidx = si_coreidx(&sii->pub);


 		r = (uint32*) ((uchar*) ai_setcoreidx(&sii->pub, coreidx) + regoff);
 	}
 	ASSERT(r != NULL);


 	if (mask || val) {
 		w = (R_REG(sii->osh, r) & ~mask) | val;
 		W_REG(sii->osh, r, w);
 	}


 	w = R_REG(sii->osh, r);

 	if (!fast) {

 		if (origidx != coreidx)
 			ai_setcoreidx(&sii->pub, origidx);

 		INTR_RESTORE(sii, intr_val);
 	}

 	return (w);
 }

 void
 ai_core_disable(si_t *sih, uint32 bits)
 {
 	si_info_t *sii;
 	volatile uint32 dummy;
 	aidmp_t *ai;

 	sii = SI_INFO(sih);

 	ASSERT(GOODREGS(sii->curwrap));
 	ai = sii->curwrap;


 	if (R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET)
 		return;

 	W_REG(sii->osh, &ai->ioctrl, bits);
 	dummy = R_REG(sii->osh, &ai->ioctrl);
 	OSL_DELAY(10);

 	W_REG(sii->osh, &ai->resetctrl, AIRC_RESET);
 	OSL_DELAY(1);
 }


 void
 ai_core_reset(si_t *sih, uint32 bits, uint32 resetbits)
 {
 	si_info_t *sii;
 	aidmp_t *ai;
 	volatile uint32 dummy;

 	sii = SI_INFO(sih);
 	ASSERT(GOODREGS(sii->curwrap));
 	ai = sii->curwrap;


 	ai_core_disable(sih, (bits | resetbits));


 	W_REG(sii->osh, &ai->ioctrl, (bits | SICF_FGC | SICF_CLOCK_EN));
 	dummy = R_REG(sii->osh, &ai->ioctrl);
 	W_REG(sii->osh, &ai->resetctrl, 0);
 	OSL_DELAY(1);

 	W_REG(sii->osh, &ai->ioctrl, (bits | SICF_CLOCK_EN));
 	dummy = R_REG(sii->osh, &ai->ioctrl);
 	OSL_DELAY(1);
 }


 void
 ai_core_cflags_wo(si_t *sih, uint32 mask, uint32 val)
 {
 	si_info_t *sii;
 	aidmp_t *ai;
 	uint32 w;

 	sii = SI_INFO(sih);
 	ASSERT(GOODREGS(sii->curwrap));
 	ai = sii->curwrap;

 	ASSERT((val & ~mask) == 0);

 	if (mask || val) {
 		w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) | val);
 		W_REG(sii->osh, &ai->ioctrl, w);
 	}
 }

 uint32
 ai_core_cflags(si_t *sih, uint32 mask, uint32 val)
 {
 	si_info_t *sii;
 	aidmp_t *ai;
 	uint32 w;

 	sii = SI_INFO(sih);
 	ASSERT(GOODREGS(sii->curwrap));
 	ai = sii->curwrap;

 	ASSERT((val & ~mask) == 0);

 	if (mask || val) {
 		w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) | val);
 		W_REG(sii->osh, &ai->ioctrl, w);
 	}

 	return R_REG(sii->osh, &ai->ioctrl);
 }

 uint32
 ai_core_sflags(si_t *sih, uint32 mask, uint32 val)
 {
 	si_info_t *sii;
 	aidmp_t *ai;
 	uint32 w;

 	sii = SI_INFO(sih);
 	ASSERT(GOODREGS(sii->curwrap));
 	ai = sii->curwrap;

 	ASSERT((val & ~mask) == 0);
 	ASSERT((mask & ~SISF_CORE_BITS) == 0);

 	if (mask || val) {
 		w = ((R_REG(sii->osh, &ai->iostatus) & ~mask) | val);
 		W_REG(sii->osh, &ai->iostatus, w);
 	}

 	return R_REG(sii->osh, &ai->iostatus);
 }
	/*
	* Misc utility routines for accessing chip-specific features
	* of the SiliconBackplane-based Broadcom chips.
	*
	* Copyright (C) 1999-2011, Broadcom Corporation
	*
	* Unless you and Broadcom execute a separate written software license
	* agreement governing use of this software, this software is licensed to you
	* under the terms of the GNU General Public License version 2 (the "GPL"),
	* available at http://www.broadcom.com/licenses/GPLv2.php, with the
	* following added to such license:
	*
	* As a special exception, the copyright holders of this software give you
	* permission to link this software with independent modules, and to copy and
	* distribute the resulting executable under terms of your choice, provided that
	* you also meet, for each linked independent module, the terms and conditions of
	* the license of that module. An independent module is a module which is not
	* derived from this software. The special exception does not apply to any
	* modifications of the software.
	*
	* Notwithstanding the above, under no circumstances may you combine this
	* software in any way with any other Broadcom software provided under a license
	* other than the GPL, without Broadcom's express prior written consent.
	*
	* $Id: aiutils.c,v 1.26.2.1 2010-03-09 18:41:21 Exp $
	*/


	#include <typedefs.h>
	#include <bcmdefs.h>
	#include <osl.h>
	#include <bcmutils.h>
	#include <siutils.h>
	#include <hndsoc.h>
	#include <sbchipc.h>
	#include <pcicfg.h>

	#include "siutils_priv.h"





	static uint32
	get_erom_ent(si_t sih, uint32 *eromptr, uint32 mask, uint32 match)
	{
	uint32 ent;
	uint inv = 0, nom = 0;

	while (TRUE) {
	ent = R_REG(si_osh(sih), *eromptr);
	(*eromptr)++;

	if (mask == 0)
	break;

	if ((ent & ER_VALID) == 0) {
	inv++;
	continue;
	}

	if (ent == (ER_END \| ER_VALID))
	break;

	if ((ent & mask) == match)
	break;

	nom++;
	}

	SI_VMSG(("%s: Returning ent 0x%08x\n", __FUNCTION__, ent));
	if (inv + nom) {
	SI_VMSG((" after %d invalid and %d non-matching entries\n", inv, nom));
	}
	return ent;
	}

	static uint32
	get_asd(si_t sih, uint32 eromptr, uint sp, uint ad, uint st, uint32 addrl, uint32 *addrh,
	uint32 sizel, uint32 sizeh)
	{
	uint32 asd, sz, szd;

	asd = get_erom_ent(sih, eromptr, ER_VALID, ER_VALID);
	if (((asd & ER_TAG1) != ER_ADD) \|\|
	(((asd & AD_SP_MASK) >> AD_SP_SHIFT) != sp) \|\|
	((asd & AD_ST_MASK) != st)) {

	(*eromptr)--;
	return 0;
	}
	*addrl = asd & AD_ADDR_MASK;
	if (asd & AD_AG32)
	*addrh = get_erom_ent(sih, eromptr, 0, 0);
	else
	*addrh = 0;
	*sizeh = 0;
	sz = asd & AD_SZ_MASK;
	if (sz == AD_SZ_SZD) {
	szd = get_erom_ent(sih, eromptr, 0, 0);
	*sizel = szd & SD_SZ_MASK;
	if (szd & SD_SG32)
	*sizeh = get_erom_ent(sih, eromptr, 0, 0);
	} else
	*sizel = AD_SZ_BASE << (sz >> AD_SZ_SHIFT);

	SI_VMSG((" SP %d, ad %d: st = %d, 0x%08x_0x%08x @ 0x%08x_0x%08x\n",
	sp, ad, st, sizeh, sizel, addrh, addrl));

	return asd;
	}

	static void
	ai_hwfixup(si_info_t *sii)
	{
	}


	void
	ai_scan(si_t sih, void regs, uint devid)
	{
	si_info_t *sii = SI_INFO(sih);
	chipcregs_t cc = (chipcregs_t )regs;
	uint32 erombase, eromptr, eromlim;

	erombase = R_REG(sii->osh, &cc->eromptr);

	switch (BUSTYPE(sih->bustype)) {
	case SI_BUS:
	eromptr = (uint32 *)REG_MAP(erombase, SI_CORE_SIZE);
	break;

	case PCI_BUS:

	sii->curwrap = (void *)((uintptr)regs + SI_CORE_SIZE);


	OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN, 4, erombase);
	eromptr = regs;
	break;

	case SPI_BUS:
	case SDIO_BUS:
	eromptr = (uint32 *)(uintptr)erombase;
	break;

	case PCMCIA_BUS:
	default:
	SI_ERROR(("Don't know how to do AXI enumertion on bus %d\n", sih->bustype));
	ASSERT(0);
	return;
	}
	eromlim = eromptr + (ER_REMAPCONTROL / sizeof(uint32));

	SI_VMSG(("ai_scan: regs = 0x%p, erombase = 0x%08x, eromptr = 0x%p, eromlim = 0x%p\n",
	regs, erombase, eromptr, eromlim));
	while (eromptr < eromlim) {
	uint32 cia, cib, cid, mfg, crev, nmw, nsw, nmp, nsp;
	uint32 mpd, asd, addrl, addrh, sizel, sizeh;
	uint32 *base;
	uint i, j, idx;
	bool br;

	br = FALSE;


	cia = get_erom_ent(sih, &eromptr, ER_TAG, ER_CI);
	if (cia == (ER_END \| ER_VALID)) {
	SI_VMSG(("Found END of erom after %d cores\n", sii->numcores));
	ai_hwfixup(sii);
	return;
	}
	base = eromptr - 1;
	cib = get_erom_ent(sih, &eromptr, 0, 0);

	if ((cib & ER_TAG) != ER_CI) {
	SI_ERROR(("CIA not followed by CIB\n"));
	goto error;
	}

	cid = (cia & CIA_CID_MASK) >> CIA_CID_SHIFT;
	mfg = (cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT;
	crev = (cib & CIB_REV_MASK) >> CIB_REV_SHIFT;
	nmw = (cib & CIB_NMW_MASK) >> CIB_NMW_SHIFT;
	nsw = (cib & CIB_NSW_MASK) >> CIB_NSW_SHIFT;
	nmp = (cib & CIB_NMP_MASK) >> CIB_NMP_SHIFT;
	nsp = (cib & CIB_NSP_MASK) >> CIB_NSP_SHIFT;

	SI_VMSG(("Found component 0x%04x/0x%04x rev %d at erom addr 0x%p, with nmw = %d, "
	"nsw = %d, nmp = %d & nsp = %d\n",
	mfg, cid, crev, base, nmw, nsw, nmp, nsp));

	if (((mfg == MFGID_ARM) && (cid == DEF_AI_COMP)) \|\| (nsp == 0))
	continue;
	if ((nmw + nsw == 0)) {

	if (cid == OOB_ROUTER_CORE_ID) {
	asd = get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE,
	&addrl, &addrh, &sizel, &sizeh);
	if (asd != 0) {
	sii->oob_router = addrl;
	}
	}
	continue;
	}

	idx = sii->numcores;

	sii->cia[idx] = cia;
	sii->cib[idx] = cib;
	sii->coreid[idx] = cid;

	for (i = 0; i < nmp; i++) {
	mpd = get_erom_ent(sih, &eromptr, ER_VALID, ER_VALID);
	if ((mpd & ER_TAG) != ER_MP) {
	SI_ERROR(("Not enough MP entries for component 0x%x\n", cid));
	goto error;
	}
	SI_VMSG((" Master port %d, mp: %d id: %d\n", i,
	(mpd & MPD_MP_MASK) >> MPD_MP_SHIFT,
	(mpd & MPD_MUI_MASK) >> MPD_MUI_SHIFT));
	}


	asd = get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE, &addrl, &addrh, &sizel, &sizeh);
	if (asd == 0) {

	asd = get_asd(sih, &eromptr, 0, 0, AD_ST_BRIDGE, &addrl, &addrh,
	&sizel, &sizeh);
	if (asd != 0)
	br = TRUE;
	else
	if ((addrh != 0) \|\| (sizeh != 0) \|\| (sizel != SI_CORE_SIZE)) {
	SI_ERROR(("First Slave ASD for core 0x%04x malformed "
	"(0x%08x)\n", cid, asd));
	goto error;
	}
	}
	sii->coresba[idx] = addrl;
	sii->coresba_size[idx] = sizel;

	j = 1;
	do {
	asd = get_asd(sih, &eromptr, 0, j, AD_ST_SLAVE, &addrl, &addrh,
	&sizel, &sizeh);
	if ((asd != 0) && (j == 1) && (sizel == SI_CORE_SIZE)) {
	sii->coresba2[idx] = addrl;
	sii->coresba2_size[idx] = sizel;
	}
	j++;
	} while (asd != 0);


	for (i = 1; i < nsp; i++) {
	j = 0;
	do {
	asd = get_asd(sih, &eromptr, i, j++, AD_ST_SLAVE, &addrl, &addrh,
	&sizel, &sizeh);
	} while (asd != 0);
	if (j == 0) {
	SI_ERROR((" SP %d has no address descriptors\n", i));
	goto error;
	}
	}


	for (i = 0; i < nmw; i++) {
	asd = get_asd(sih, &eromptr, i, 0, AD_ST_MWRAP, &addrl, &addrh,
	&sizel, &sizeh);
	if (asd == 0) {
	SI_ERROR(("Missing descriptor for MW %d\n", i));
	goto error;
	}
	if ((sizeh != 0) \|\| (sizel != SI_CORE_SIZE)) {
	SI_ERROR(("Master wrapper %d is not 4KB\n", i));
	goto error;
	}
	if (i == 0)
	sii->wrapba[idx] = addrl;
	}


	for (i = 0; i < nsw; i++) {
	uint fwp = (nsp == 1) ? 0 : 1;
	asd = get_asd(sih, &eromptr, fwp + i, 0, AD_ST_SWRAP, &addrl, &addrh,
	&sizel, &sizeh);
	if (asd == 0) {
	SI_ERROR(("Missing descriptor for SW %d\n", i));
	goto error;
	}
	if ((sizeh != 0) \|\| (sizel != SI_CORE_SIZE)) {
	SI_ERROR(("Slave wrapper %d is not 4KB\n", i));
	goto error;
	}
	if ((nmw == 0) && (i == 0))
	sii->wrapba[idx] = addrl;
	}


	if (br)
	continue;


	sii->numcores++;
	}

	SI_ERROR(("Reached end of erom without finding END"));

	error:
	sii->numcores = 0;
	return;
	}


	void *
	ai_setcoreidx(si_t *sih, uint coreidx)
	{
	si_info_t *sii = SI_INFO(sih);
	uint32 addr = sii->coresba[coreidx];
	uint32 wrap = sii->wrapba[coreidx];
	void *regs;

	if (coreidx >= sii->numcores)
	return (NULL);


	ASSERT((sii->intrsenabled_fn == NULL) \|\| !(*(sii)->intrsenabled_fn)((sii)->intr_arg));

	switch (BUSTYPE(sih->bustype)) {
	case SI_BUS:

	if (!sii->regs[coreidx]) {
	sii->regs[coreidx] = REG_MAP(addr, SI_CORE_SIZE);
	ASSERT(GOODREGS(sii->regs[coreidx]));
	}
	sii->curmap = regs = sii->regs[coreidx];
	if (!sii->wrappers[coreidx]) {
	sii->wrappers[coreidx] = REG_MAP(wrap, SI_CORE_SIZE);
	ASSERT(GOODREGS(sii->wrappers[coreidx]));
	}
	sii->curwrap = sii->wrappers[coreidx];
	break;


	case SPI_BUS:
	case SDIO_BUS:
	sii->curmap = regs = (void *)((uintptr)addr);
	sii->curwrap = (void *)((uintptr)wrap);
	break;

	case PCMCIA_BUS:
	default:
	ASSERT(0);
	regs = NULL;
	break;
	}

	sii->curmap = regs;
	sii->curidx = coreidx;

	return regs;
	}


	int
	ai_numaddrspaces(si_t *sih)
	{
	return 2;
	}


	uint32
	ai_addrspace(si_t *sih, uint asidx)
	{
	si_info_t *sii;
	uint cidx;

	sii = SI_INFO(sih);
	cidx = sii->curidx;

	if (asidx == 0)
	return sii->coresba[cidx];
	else if (asidx == 1)
	return sii->coresba2[cidx];
	else {
	SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n",
	__FUNCTION__, asidx));
	return 0;
	}
	}


	uint32
	ai_addrspacesize(si_t *sih, uint asidx)
	{
	si_info_t *sii;
	uint cidx;

	sii = SI_INFO(sih);
	cidx = sii->curidx;

	if (asidx == 0)
	return sii->coresba_size[cidx];
	else if (asidx == 1)
	return sii->coresba2_size[cidx];
	else {
	SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n",
	__FUNCTION__, asidx));
	return 0;
	}
	}

	uint
	ai_flag(si_t *sih)
	{
	si_info_t *sii;
	aidmp_t *ai;

	sii = SI_INFO(sih);
	ai = sii->curwrap;

	return (R_REG(sii->osh, &ai->oobselouta30) & 0x1f);
	}

	void
	ai_setint(si_t *sih, int siflag)
	{
	}

	uint
	ai_wrap_reg(si_t *sih, uint32 offset, uint32 mask, uint32 val)
	{
	si_info_t *sii = SI_INFO(sih);
	uint32 map = (uint32 ) sii->curwrap;

	if (mask \|\| val) {
	uint32 w = R_REG(sii->osh, map+(offset/4));
	w &= ~mask;
	w \|= val;
	W_REG(sii->osh, map+(offset/4), val);
	}

	return (R_REG(sii->osh, map+(offset/4)));
	}

	uint
	ai_corevendor(si_t *sih)
	{
	si_info_t *sii;
	uint32 cia;

	sii = SI_INFO(sih);
	cia = sii->cia[sii->curidx];
	return ((cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT);
	}

	uint
	ai_corerev(si_t *sih)
	{
	si_info_t *sii;
	uint32 cib;

	sii = SI_INFO(sih);
	cib = sii->cib[sii->curidx];
	return ((cib & CIB_REV_MASK) >> CIB_REV_SHIFT);
	}

	bool
	ai_iscoreup(si_t *sih)
	{
	si_info_t *sii;
	aidmp_t *ai;

	sii = SI_INFO(sih);
	ai = sii->curwrap;

	return (((R_REG(sii->osh, &ai->ioctrl) & (SICF_FGC \| SICF_CLOCK_EN)) == SICF_CLOCK_EN) &&
	((R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET) == 0));
	}


	uint
	ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask, uint val)
	{
	uint origidx = 0;
	uint32 *r = NULL;
	uint w;
	uint intr_val = 0;
	bool fast = FALSE;
	si_info_t *sii;

	sii = SI_INFO(sih);

	ASSERT(GOODIDX(coreidx));
	ASSERT(regoff < SI_CORE_SIZE);
	ASSERT((val & ~mask) == 0);

	if (coreidx >= SI_MAXCORES)
	return 0;

	if (BUSTYPE(sih->bustype) == SI_BUS) {

	fast = TRUE;

	if (!sii->regs[coreidx]) {
	sii->regs[coreidx] = REG_MAP(sii->coresba[coreidx],
	SI_CORE_SIZE);
	ASSERT(GOODREGS(sii->regs[coreidx]));
	}
	r = (uint32 )((uchar )sii->regs[coreidx] + regoff);
	} else if (BUSTYPE(sih->bustype) == PCI_BUS) {


	if ((sii->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sii)) {


	fast = TRUE;
	r = (uint32 )((char )sii->curmap + PCI_16KB0_CCREGS_OFFSET + regoff);
	} else if (sii->pub.buscoreidx == coreidx) {

	fast = TRUE;
	if (SI_FAST(sii))
	r = (uint32 )((char )sii->curmap +
	PCI_16KB0_PCIREGS_OFFSET + regoff);
	else
	r = (uint32 )((char )sii->curmap +
	((regoff >= SBCONFIGOFF) ?
	PCI_BAR0_PCISBR_OFFSET : PCI_BAR0_PCIREGS_OFFSET) +
	regoff);
	}
	}

	if (!fast) {
	INTR_OFF(sii, intr_val);


	origidx = si_coreidx(&sii->pub);


	r = (uint32) ((uchar) ai_setcoreidx(&sii->pub, coreidx) + regoff);
	}
	ASSERT(r != NULL);


	if (mask \|\| val) {
	w = (R_REG(sii->osh, r) & ~mask) \| val;
	W_REG(sii->osh, r, w);
	}


	w = R_REG(sii->osh, r);

	if (!fast) {

	if (origidx != coreidx)
	ai_setcoreidx(&sii->pub, origidx);

	INTR_RESTORE(sii, intr_val);
	}

	return (w);
	}

	void
	ai_core_disable(si_t *sih, uint32 bits)
	{
	si_info_t *sii;
	volatile uint32 dummy;
	aidmp_t *ai;

	sii = SI_INFO(sih);

	ASSERT(GOODREGS(sii->curwrap));
	ai = sii->curwrap;


	if (R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET)
	return;

	W_REG(sii->osh, &ai->ioctrl, bits);
	dummy = R_REG(sii->osh, &ai->ioctrl);
	OSL_DELAY(10);

	W_REG(sii->osh, &ai->resetctrl, AIRC_RESET);
	OSL_DELAY(1);
	}


	void
	ai_core_reset(si_t *sih, uint32 bits, uint32 resetbits)
	{
	si_info_t *sii;
	aidmp_t *ai;
	volatile uint32 dummy;

	sii = SI_INFO(sih);
	ASSERT(GOODREGS(sii->curwrap));
	ai = sii->curwrap;


	ai_core_disable(sih, (bits \| resetbits));


	W_REG(sii->osh, &ai->ioctrl, (bits \| SICF_FGC \| SICF_CLOCK_EN));
	dummy = R_REG(sii->osh, &ai->ioctrl);
	W_REG(sii->osh, &ai->resetctrl, 0);
	OSL_DELAY(1);

	W_REG(sii->osh, &ai->ioctrl, (bits \| SICF_CLOCK_EN));
	dummy = R_REG(sii->osh, &ai->ioctrl);
	OSL_DELAY(1);
	}


	void
	ai_core_cflags_wo(si_t *sih, uint32 mask, uint32 val)
	{
	si_info_t *sii;
	aidmp_t *ai;
	uint32 w;

	sii = SI_INFO(sih);
	ASSERT(GOODREGS(sii->curwrap));
	ai = sii->curwrap;

	ASSERT((val & ~mask) == 0);

	if (mask \|\| val) {
	w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) \| val);
	W_REG(sii->osh, &ai->ioctrl, w);
	}
	}

	uint32
	ai_core_cflags(si_t *sih, uint32 mask, uint32 val)
	{
	si_info_t *sii;
	aidmp_t *ai;
	uint32 w;

	sii = SI_INFO(sih);
	ASSERT(GOODREGS(sii->curwrap));
	ai = sii->curwrap;

	ASSERT((val & ~mask) == 0);

	if (mask \|\| val) {
	w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) \| val);
	W_REG(sii->osh, &ai->ioctrl, w);
	}

	return R_REG(sii->osh, &ai->ioctrl);
	}

	uint32
	ai_core_sflags(si_t *sih, uint32 mask, uint32 val)
	{
	si_info_t *sii;
	aidmp_t *ai;
	uint32 w;

	sii = SI_INFO(sih);
	ASSERT(GOODREGS(sii->curwrap));
	ai = sii->curwrap;

	ASSERT((val & ~mask) == 0);
	ASSERT((mask & ~SISF_CORE_BITS) == 0);

	if (mask \|\| val) {
	w = ((R_REG(sii->osh, &ai->iostatus) & ~mask) \| val);
	W_REG(sii->osh, &ai->iostatus, w);
	}

	return R_REG(sii->osh, &ai->iostatus);
	}