wlc_pmu.o \
wlc_rate.o \
wlc_stf.o \
+ aiutils.o \
phy/wlc_phy_cmn.o \
phy/wlc_phy_lcn.o \
phy/wlc_phy_n.o \
phy/wlc_phytbl_lcn.o \
phy/wlc_phytbl_n.o \
- ../util/aiutils.o \
../util/bcmutils.o \
../util/bcmwifi.o \
../util/bcmotp.o \
--- /dev/null
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <bcmdefs.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <bcmutils.h>
+#include <aiutils.h>
+#include <hndsoc.h>
+#include <sbchipc.h>
+#include <pcicfg.h>
+#include <bcmdevs.h>
+
+/* ********** from siutils.c *********** */
+#include <pci_core.h>
+#include <pcie_core.h>
+#include <nicpci.h>
+#include <bcmnvram.h>
+#include <bcmsrom.h>
+#include <wlc_pmu.h>
+
+#define BCM47162_DMP() ((sih->chip == BCM47162_CHIP_ID) && \
+ (sih->chiprev == 0) && \
+ (sii->coreid[sii->curidx] == MIPS74K_CORE_ID))
+
+/* EROM parsing */
+
+static u32
+get_erom_ent(si_t *sih, u32 **eromptr, u32 mask, u32 match)
+{
+ u32 ent;
+ uint inv = 0, nom = 0;
+
+ while (true) {
+ ent = R_REG(*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", __func__, ent));
+ if (inv + nom) {
+ SI_VMSG((" after %d invalid and %d non-matching entries\n",
+ inv, nom));
+ }
+ return ent;
+}
+
+static u32
+get_asd(si_t *sih, u32 **eromptr, uint sp, uint ad, uint st,
+ u32 *addrl, u32 *addrh, u32 *sizel, u32 *sizeh)
+{
+ u32 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)) {
+ /* This is not what we want, "push" it back */
+ (*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)
+{
+}
+
+/* parse the enumeration rom to identify all cores */
+void ai_scan(si_t *sih, void *regs, uint devid)
+{
+ si_info_t *sii = SI_INFO(sih);
+ chipcregs_t *cc = (chipcregs_t *) regs;
+ u32 erombase, *eromptr, *eromlim;
+
+ erombase = R_REG(&cc->eromptr);
+
+ switch (sih->bustype) {
+ case SI_BUS:
+ eromptr = (u32 *) REG_MAP(erombase, SI_CORE_SIZE);
+ break;
+
+ case PCI_BUS:
+ /* Set wrappers address */
+ sii->curwrap = (void *)((unsigned long)regs + SI_CORE_SIZE);
+
+ /* Now point the window at the erom */
+ pci_write_config_dword(sii->pbus, PCI_BAR0_WIN, erombase);
+ eromptr = regs;
+ break;
+
+ case SPI_BUS:
+ case SDIO_BUS:
+ eromptr = (u32 *)(unsigned long)erombase;
+ break;
+
+ default:
+ SI_ERROR(("Don't know how to do AXI enumertion on bus %d\n",
+ sih->bustype));
+ return;
+ }
+ eromlim = eromptr + (ER_REMAPCONTROL / sizeof(u32));
+
+ SI_VMSG(("ai_scan: regs = 0x%p, erombase = 0x%08x, eromptr = 0x%p, eromlim = 0x%p\n", regs, erombase, eromptr, eromlim));
+ while (eromptr < eromlim) {
+ u32 cia, cib, cid, mfg, crev, nmw, nsw, nmp, nsp;
+ u32 mpd, asd, addrl, addrh, sizel, sizeh;
+ u32 *base;
+ uint i, j, idx;
+ bool br;
+
+ br = false;
+
+ /* Grok a component */
+ 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)) {
+ /* A component which is not a core */
+ 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->eromptr[idx] = base; */
+ 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));
+ }
+
+ /* First Slave Address Descriptor should be port 0:
+ * the main register space for the core
+ */
+ asd =
+ get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE, &addrl, &addrh,
+ &sizel, &sizeh);
+ if (asd == 0) {
+ /* Try again to see if it is a bridge */
+ 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;
+ /* Get any more ASDs in port 0 */
+ 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);
+
+ /* Go through the ASDs for other slave ports */
+ 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;
+ }
+ }
+
+ /* Now get master wrappers */
+ 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;
+ }
+
+ /* And finally slave wrappers */
+ 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;
+ }
+
+ /* Don't record bridges */
+ if (br)
+ continue;
+
+ /* Done with core */
+ sii->numcores++;
+ }
+
+ SI_ERROR(("Reached end of erom without finding END"));
+
+ error:
+ sii->numcores = 0;
+ return;
+}
+
+/* This function changes the logical "focus" to the indicated core.
+ * Return the current core's virtual address.
+ */
+void *ai_setcoreidx(si_t *sih, uint coreidx)
+{
+ si_info_t *sii = SI_INFO(sih);
+ u32 addr = sii->coresba[coreidx];
+ u32 wrap = sii->wrapba[coreidx];
+ void *regs;
+
+ if (coreidx >= sii->numcores)
+ return NULL;
+
+ switch (sih->bustype) {
+ case SI_BUS:
+ /* map new one */
+ if (!sii->regs[coreidx]) {
+ sii->regs[coreidx] = REG_MAP(addr, SI_CORE_SIZE);
+ }
+ sii->curmap = regs = sii->regs[coreidx];
+ if (!sii->wrappers[coreidx]) {
+ sii->wrappers[coreidx] = REG_MAP(wrap, SI_CORE_SIZE);
+ }
+ sii->curwrap = sii->wrappers[coreidx];
+ break;
+
+ case PCI_BUS:
+ /* point bar0 window */
+ pci_write_config_dword(sii->pbus, PCI_BAR0_WIN, addr);
+ regs = sii->curmap;
+ /* point bar0 2nd 4KB window */
+ pci_write_config_dword(sii->pbus, PCI_BAR0_WIN2, wrap);
+ break;
+
+ case SPI_BUS:
+ case SDIO_BUS:
+ sii->curmap = regs = (void *)(unsigned long)addr;
+ sii->curwrap = (void *)(unsigned long)wrap;
+ break;
+
+ default:
+ regs = NULL;
+ break;
+ }
+
+ sii->curmap = regs;
+ sii->curidx = coreidx;
+
+ return regs;
+}
+
+/* Return the number of address spaces in current core */
+int ai_numaddrspaces(si_t *sih)
+{
+ return 2;
+}
+
+/* Return the address of the nth address space in the current core */
+u32 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", __func__, asidx));
+ return 0;
+ }
+}
+
+/* Return the size of the nth address space in the current core */
+u32 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", __func__, asidx));
+ return 0;
+ }
+}
+
+uint ai_flag(si_t *sih)
+{
+ si_info_t *sii;
+ aidmp_t *ai;
+
+ sii = SI_INFO(sih);
+ if (BCM47162_DMP()) {
+ SI_ERROR(("%s: Attempting to read MIPS DMP registers on 47162a0", __func__));
+ return sii->curidx;
+ }
+ ai = sii->curwrap;
+
+ return R_REG(&ai->oobselouta30) & 0x1f;
+}
+
+void ai_setint(si_t *sih, int siflag)
+{
+}
+
+uint ai_corevendor(si_t *sih)
+{
+ si_info_t *sii;
+ u32 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;
+ u32 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(&ai->ioctrl) & (SICF_FGC | SICF_CLOCK_EN)) ==
+ SICF_CLOCK_EN)
+ && ((R_REG(&ai->resetctrl) & AIRC_RESET) == 0));
+}
+
+void ai_core_cflags_wo(si_t *sih, u32 mask, u32 val)
+{
+ si_info_t *sii;
+ aidmp_t *ai;
+ u32 w;
+
+ sii = SI_INFO(sih);
+
+ if (BCM47162_DMP()) {
+ SI_ERROR(("%s: Accessing MIPS DMP register (ioctrl) on 47162a0",
+ __func__));
+ return;
+ }
+
+ ai = sii->curwrap;
+
+ if (mask || val) {
+ w = ((R_REG(&ai->ioctrl) & ~mask) | val);
+ W_REG(&ai->ioctrl, w);
+ }
+}
+
+u32 ai_core_cflags(si_t *sih, u32 mask, u32 val)
+{
+ si_info_t *sii;
+ aidmp_t *ai;
+ u32 w;
+
+ sii = SI_INFO(sih);
+ if (BCM47162_DMP()) {
+ SI_ERROR(("%s: Accessing MIPS DMP register (ioctrl) on 47162a0",
+ __func__));
+ return 0;
+ }
+
+ ai = sii->curwrap;
+
+ if (mask || val) {
+ w = ((R_REG(&ai->ioctrl) & ~mask) | val);
+ W_REG(&ai->ioctrl, w);
+ }
+
+ return R_REG(&ai->ioctrl);
+}
+
+u32 ai_core_sflags(si_t *sih, u32 mask, u32 val)
+{
+ si_info_t *sii;
+ aidmp_t *ai;
+ u32 w;
+
+ sii = SI_INFO(sih);
+ if (BCM47162_DMP()) {
+ SI_ERROR(("%s: Accessing MIPS DMP register (iostatus) on 47162a0", __func__));
+ return 0;
+ }
+
+ ai = sii->curwrap;
+
+ if (mask || val) {
+ w = ((R_REG(&ai->iostatus) & ~mask) | val);
+ W_REG(&ai->iostatus, w);
+ }
+
+ return R_REG(&ai->iostatus);
+}
+
+/* *************** from siutils.c ************** */
+/* local prototypes */
+static si_info_t *ai_doattach(si_info_t *sii, uint devid, void *regs,
+ uint bustype, void *sdh, char **vars,
+ uint *varsz);
+static bool ai_buscore_prep(si_info_t *sii, uint bustype, uint devid,
+ void *sdh);
+static bool ai_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
+ u32 savewin, uint *origidx, void *regs);
+static void ai_nvram_process(si_info_t *sii, char *pvars);
+
+/* dev path concatenation util */
+static char *ai_devpathvar(si_t *sih, char *var, int len, const char *name);
+static bool _ai_clkctl_cc(si_info_t *sii, uint mode);
+static bool ai_ispcie(si_info_t *sii);
+
+/* global variable to indicate reservation/release of gpio's */
+static u32 ai_gpioreservation;
+
+/*
+ * Allocate a si handle.
+ * devid - pci device id (used to determine chip#)
+ * osh - opaque OS handle
+ * regs - virtual address of initial core registers
+ * bustype - pci/sb/sdio/etc
+ * vars - pointer to a pointer area for "environment" variables
+ * varsz - pointer to int to return the size of the vars
+ */
+si_t *ai_attach(uint devid, void *regs, uint bustype,
+ void *sdh, char **vars, uint *varsz)
+{
+ si_info_t *sii;
+
+ /* alloc si_info_t */
+ sii = kmalloc(sizeof(si_info_t), GFP_ATOMIC);
+ if (sii == NULL) {
+ SI_ERROR(("si_attach: malloc failed!\n"));
+ return NULL;
+ }
+
+ if (ai_doattach(sii, devid, regs, bustype, sdh, vars, varsz) ==
+ NULL) {
+ kfree(sii);
+ return NULL;
+ }
+ sii->vars = vars ? *vars : NULL;
+ sii->varsz = varsz ? *varsz : 0;
+
+ return (si_t *) sii;
+}
+
+/* global kernel resource */
+static si_info_t ksii;
+
+static bool ai_buscore_prep(si_info_t *sii, uint bustype, uint devid,
+ void *sdh)
+{
+ /* kludge to enable the clock on the 4306 which lacks a slowclock */
+ if (bustype == PCI_BUS && !ai_ispcie(sii))
+ ai_clkctl_xtal(&sii->pub, XTAL | PLL, ON);
+ return true;
+}
+
+static bool ai_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
+ u32 savewin, uint *origidx, void *regs)
+{
+ bool pci, pcie;
+ uint i;
+ uint pciidx, pcieidx, pcirev, pcierev;
+
+ cc = ai_setcoreidx(&sii->pub, SI_CC_IDX);
+ ASSERT(cc);
+
+ /* get chipcommon rev */
+ sii->pub.ccrev = (int)ai_corerev(&sii->pub);
+
+ /* get chipcommon chipstatus */
+ if (sii->pub.ccrev >= 11)
+ sii->pub.chipst = R_REG(&cc->chipstatus);
+
+ /* get chipcommon capabilites */
+ sii->pub.cccaps = R_REG(&cc->capabilities);
+ /* get chipcommon extended capabilities */
+
+ if (sii->pub.ccrev >= 35)
+ sii->pub.cccaps_ext = R_REG(&cc->capabilities_ext);
+
+ /* get pmu rev and caps */
+ if (sii->pub.cccaps & CC_CAP_PMU) {
+ sii->pub.pmucaps = R_REG(&cc->pmucapabilities);
+ sii->pub.pmurev = sii->pub.pmucaps & PCAP_REV_MASK;
+ }
+
+ /* figure out bus/orignal core idx */
+ sii->pub.buscoretype = NODEV_CORE_ID;
+ sii->pub.buscorerev = NOREV;
+ sii->pub.buscoreidx = BADIDX;
+
+ pci = pcie = false;
+ pcirev = pcierev = NOREV;
+ pciidx = pcieidx = BADIDX;
+
+ for (i = 0; i < sii->numcores; i++) {
+ uint cid, crev;
+
+ ai_setcoreidx(&sii->pub, i);
+ cid = ai_coreid(&sii->pub);
+ crev = ai_corerev(&sii->pub);
+
+ /* Display cores found */
+ SI_VMSG(("CORE[%d]: id 0x%x rev %d base 0x%x regs 0x%p\n",
+ i, cid, crev, sii->coresba[i], sii->regs[i]));
+
+ if (bustype == PCI_BUS) {
+ if (cid == PCI_CORE_ID) {
+ pciidx = i;
+ pcirev = crev;
+ pci = true;
+ } else if (cid == PCIE_CORE_ID) {
+ pcieidx = i;
+ pcierev = crev;
+ pcie = true;
+ }
+ }
+
+ /* find the core idx before entering this func. */
+ if ((savewin && (savewin == sii->coresba[i])) ||
+ (regs == sii->regs[i]))
+ *origidx = i;
+ }
+
+ if (pci && pcie) {
+ if (ai_ispcie(sii))
+ pci = false;
+ else
+ pcie = false;
+ }
+ if (pci) {
+ sii->pub.buscoretype = PCI_CORE_ID;
+ sii->pub.buscorerev = pcirev;
+ sii->pub.buscoreidx = pciidx;
+ } else if (pcie) {
+ sii->pub.buscoretype = PCIE_CORE_ID;
+ sii->pub.buscorerev = pcierev;
+ sii->pub.buscoreidx = pcieidx;
+ }
+
+ SI_VMSG(("Buscore id/type/rev %d/0x%x/%d\n", sii->pub.buscoreidx,
+ sii->pub.buscoretype, sii->pub.buscorerev));
+
+ /* fixup necessary chip/core configurations */
+ if (sii->pub.bustype == PCI_BUS) {
+ if (SI_FAST(sii)) {
+ if (!sii->pch) {
+ sii->pch = (void *)pcicore_init(
+ &sii->pub, sii->pbus,
+ (void *)PCIEREGS(sii));
+ if (sii->pch == NULL)
+ return false;
+ }
+ }
+ if (ai_pci_fixcfg(&sii->pub)) {
+ SI_ERROR(("si_doattach: si_pci_fixcfg failed\n"));
+ return false;
+ }
+ }
+
+ /* return to the original core */
+ ai_setcoreidx(&sii->pub, *origidx);
+
+ return true;
+}
+
+static __used void ai_nvram_process(si_info_t *sii, char *pvars)
+{
+ uint w = 0;
+
+ /* get boardtype and boardrev */
+ switch (sii->pub.bustype) {
+ case PCI_BUS:
+ /* do a pci config read to get subsystem id and subvendor id */
+ pci_read_config_dword(sii->pbus, PCI_SUBSYSTEM_VENDOR_ID, &w);
+ /* Let nvram variables override subsystem Vend/ID */
+ sii->pub.boardvendor = (u16)ai_getdevpathintvar(&sii->pub,
+ "boardvendor");
+ if (sii->pub.boardvendor == 0)
+ sii->pub.boardvendor = w & 0xffff;
+ else
+ SI_ERROR(("Overriding boardvendor: 0x%x instead of "
+ "0x%x\n", sii->pub.boardvendor, w & 0xffff));
+ sii->pub.boardtype = (u16)ai_getdevpathintvar(&sii->pub,
+ "boardtype");
+ if (sii->pub.boardtype == 0)
+ sii->pub.boardtype = (w >> 16) & 0xffff;
+ else
+ SI_ERROR(("Overriding boardtype: 0x%x instead of 0x%x\n"
+ , sii->pub.boardtype, (w >> 16) & 0xffff));
+ break;
+
+ sii->pub.boardvendor = getintvar(pvars, "manfid");
+ sii->pub.boardtype = getintvar(pvars, "prodid");
+ break;
+
+ case SI_BUS:
+ case JTAG_BUS:
+ sii->pub.boardvendor = PCI_VENDOR_ID_BROADCOM;
+ sii->pub.boardtype = getintvar(pvars, "prodid");
+ if (pvars == NULL || (sii->pub.boardtype == 0)) {
+ sii->pub.boardtype = getintvar(NULL, "boardtype");
+ if (sii->pub.boardtype == 0)
+ sii->pub.boardtype = 0xffff;
+ }
+ break;
+ }
+
+ if (sii->pub.boardtype == 0) {
+ SI_ERROR(("si_doattach: unknown board type\n"));
+ ASSERT(sii->pub.boardtype);
+ }
+
+ sii->pub.boardflags = getintvar(pvars, "boardflags");
+}
+
+static si_info_t *ai_doattach(si_info_t *sii, uint devid,
+ void *regs, uint bustype, void *pbus,
+ char **vars, uint *varsz)
+{
+ struct si_pub *sih = &sii->pub;
+ u32 w, savewin;
+ chipcregs_t *cc;
+ char *pvars = NULL;
+ uint origidx;
+
+ ASSERT(GOODREGS(regs));
+
+ memset((unsigned char *) sii, 0, sizeof(si_info_t));
+
+ savewin = 0;
+
+ sih->buscoreidx = BADIDX;
+
+ sii->curmap = regs;
+ sii->pbus = pbus;
+
+ /* check to see if we are a si core mimic'ing a pci core */
+ if (bustype == PCI_BUS) {
+ pci_read_config_dword(sii->pbus, PCI_SPROM_CONTROL, &w);
+ if (w == 0xffffffff) {
+ SI_ERROR(("%s: incoming bus is PCI but it's a lie, "
+ " switching to SI devid:0x%x\n",
+ __func__, devid));
+ bustype = SI_BUS;
+ }
+ }
+
+ /* find Chipcommon address */
+ if (bustype == PCI_BUS) {
+ pci_read_config_dword(sii->pbus, PCI_BAR0_WIN, &savewin);
+ if (!GOODCOREADDR(savewin, SI_ENUM_BASE))
+ savewin = SI_ENUM_BASE;
+ pci_write_config_dword(sii->pbus, PCI_BAR0_WIN,
+ SI_ENUM_BASE);
+ cc = (chipcregs_t *) regs;
+ } else {
+ cc = (chipcregs_t *) REG_MAP(SI_ENUM_BASE, SI_CORE_SIZE);
+ }
+
+ sih->bustype = bustype;
+
+ /* bus/core/clk setup for register access */
+ if (!ai_buscore_prep(sii, bustype, devid, pbus)) {
+ SI_ERROR(("si_doattach: si_core_clk_prep failed %d\n",
+ bustype));
+ return NULL;
+ }
+
+ /*
+ * ChipID recognition.
+ * We assume we can read chipid at offset 0 from the regs arg.
+ * If we add other chiptypes (or if we need to support old sdio
+ * hosts w/o chipcommon), some way of recognizing them needs to
+ * be added here.
+ */
+ w = R_REG(&cc->chipid);
+ sih->socitype = (w & CID_TYPE_MASK) >> CID_TYPE_SHIFT;
+ /* Might as wll fill in chip id rev & pkg */
+ sih->chip = w & CID_ID_MASK;
+ sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT;
+ sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT;
+
+ sih->issim = IS_SIM(sih->chippkg);
+
+ /* scan for cores */
+ if (sii->pub.socitype == SOCI_AI) {
+ SI_MSG(("Found chip type AI (0x%08x)\n", w));
+ /* pass chipc address instead of original core base */
+ ai_scan(&sii->pub, (void *)cc, devid);
+ } else {
+ SI_ERROR(("Found chip of unknown type (0x%08x)\n", w));
+ return NULL;
+ }
+ /* no cores found, bail out */
+ if (sii->numcores == 0) {
+ SI_ERROR(("si_doattach: could not find any cores\n"));
+ return NULL;
+ }
+ /* bus/core/clk setup */
+ origidx = SI_CC_IDX;
+ if (!ai_buscore_setup(sii, cc, bustype, savewin, &origidx, regs)) {
+ SI_ERROR(("si_doattach: si_buscore_setup failed\n"));
+ goto exit;
+ }
+
+ /* assume current core is CC */
+ if ((sii->pub.ccrev == 0x25)
+ &&
+ ((sih->chip == BCM43236_CHIP_ID
+ || sih->chip == BCM43235_CHIP_ID
+ || sih->chip == BCM43238_CHIP_ID)
+ && (sii->pub.chiprev <= 2))) {
+
+ if ((cc->chipstatus & CST43236_BP_CLK) != 0) {
+ uint clkdiv;
+ clkdiv = R_REG(&cc->clkdiv);
+ /* otp_clk_div is even number, 120/14 < 9mhz */
+ clkdiv = (clkdiv & ~CLKD_OTP) | (14 << CLKD_OTP_SHIFT);
+ W_REG(&cc->clkdiv, clkdiv);
+ SI_ERROR(("%s: set clkdiv to %x\n", __func__, clkdiv));
+ }
+ udelay(10);
+ }
+
+ /* Init nvram from flash if it exists */
+ nvram_init((void *)&(sii->pub));
+
+ /* Init nvram from sprom/otp if they exist */
+ if (srom_var_init
+ (&sii->pub, bustype, regs, vars, varsz)) {
+ SI_ERROR(("si_doattach: srom_var_init failed: bad srom\n"));
+ goto exit;
+ }
+ pvars = vars ? *vars : NULL;
+ ai_nvram_process(sii, pvars);
+
+ /* === NVRAM, clock is ready === */
+ cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
+ W_REG(&cc->gpiopullup, 0);
+ W_REG(&cc->gpiopulldown, 0);
+ ai_setcoreidx(sih, origidx);
+
+ /* PMU specific initializations */
+ if (PMUCTL_ENAB(sih)) {
+ u32 xtalfreq;
+ si_pmu_init(sih);
+ si_pmu_chip_init(sih);
+ xtalfreq = getintvar(pvars, "xtalfreq");
+ /* If xtalfreq var not available, try to measure it */
+ if (xtalfreq == 0)
+ xtalfreq = si_pmu_measure_alpclk(sih);
+ si_pmu_pll_init(sih, xtalfreq);
+ si_pmu_res_init(sih);
+ si_pmu_swreg_init(sih);
+ }
+
+ /* setup the GPIO based LED powersave register */
+ w = getintvar(pvars, "leddc");
+ if (w == 0)
+ w = DEFAULT_GPIOTIMERVAL;
+ ai_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, gpiotimerval), ~0, w);
+
+ if (PCIE(sii)) {
+ ASSERT(sii->pch != NULL);
+ pcicore_attach(sii->pch, pvars, SI_DOATTACH);
+ }
+
+ if ((sih->chip == BCM43224_CHIP_ID) ||
+ (sih->chip == BCM43421_CHIP_ID)) {
+ /*
+ * enable 12 mA drive strenth for 43224 and
+ * set chipControl register bit 15
+ */
+ if (sih->chiprev == 0) {
+ SI_MSG(("Applying 43224A0 WARs\n"));
+ ai_corereg(sih, SI_CC_IDX,
+ offsetof(chipcregs_t, chipcontrol),
+ CCTRL43224_GPIO_TOGGLE,
+ CCTRL43224_GPIO_TOGGLE);
+ si_pmu_chipcontrol(sih, 0, CCTRL_43224A0_12MA_LED_DRIVE,
+ CCTRL_43224A0_12MA_LED_DRIVE);
+ }
+ if (sih->chiprev >= 1) {
+ SI_MSG(("Applying 43224B0+ WARs\n"));
+ si_pmu_chipcontrol(sih, 0, CCTRL_43224B0_12MA_LED_DRIVE,
+ CCTRL_43224B0_12MA_LED_DRIVE);
+ }
+ }
+
+ if (sih->chip == BCM4313_CHIP_ID) {
+ /*
+ * enable 12 mA drive strenth for 4313 and
+ * set chipControl register bit 1
+ */
+ SI_MSG(("Applying 4313 WARs\n"));
+ si_pmu_chipcontrol(sih, 0, CCTRL_4313_12MA_LED_DRIVE,
+ CCTRL_4313_12MA_LED_DRIVE);
+ }
+
+ if (sih->chip == BCM4331_CHIP_ID) {
+ /* Enable Ext PA lines depending on chip package option */
+ ai_chipcontrl_epa4331(sih, true);
+ }
+
+ return sii;
+ exit:
+ if (sih->bustype == PCI_BUS) {
+ if (sii->pch)
+ pcicore_deinit(sii->pch);
+ sii->pch = NULL;
+ }
+
+ return NULL;
+}
+
+/* may be called with core in reset */
+void ai_detach(si_t *sih)
+{
+ si_info_t *sii;
+ uint idx;
+
+ struct si_pub *si_local = NULL;
+ bcopy(&sih, &si_local, sizeof(si_t **));
+
+ sii = SI_INFO(sih);
+
+ if (sii == NULL)
+ return;
+
+ if (sih->bustype == SI_BUS)
+ for (idx = 0; idx < SI_MAXCORES; idx++)
+ if (sii->regs[idx]) {
+ iounmap(sii->regs[idx]);
+ sii->regs[idx] = NULL;
+ }
+
+ nvram_exit((void *)si_local); /* free up nvram buffers */
+
+ if (sih->bustype == PCI_BUS) {
+ if (sii->pch)
+ pcicore_deinit(sii->pch);
+ sii->pch = NULL;
+ }
+
+ if (sii != &ksii)
+ kfree(sii);
+}
+
+/* register driver interrupt disabling and restoring callback functions */
+void
+ai_register_intr_callback(si_t *sih, void *intrsoff_fn, void *intrsrestore_fn,
+ void *intrsenabled_fn, void *intr_arg)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ sii->intr_arg = intr_arg;
+ sii->intrsoff_fn = (si_intrsoff_t) intrsoff_fn;
+ sii->intrsrestore_fn = (si_intrsrestore_t) intrsrestore_fn;
+ sii->intrsenabled_fn = (si_intrsenabled_t) intrsenabled_fn;
+ /* save current core id. when this function called, the current core
+ * must be the core which provides driver functions(il, et, wl, etc.)
+ */
+ sii->dev_coreid = sii->coreid[sii->curidx];
+}
+
+void ai_deregister_intr_callback(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ sii->intrsoff_fn = NULL;
+}
+
+uint ai_coreid(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ return sii->coreid[sii->curidx];
+}
+
+uint ai_coreidx(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ return sii->curidx;
+}
+
+bool ai_backplane64(si_t *sih)
+{
+ return (sih->cccaps & CC_CAP_BKPLN64) != 0;
+}
+
+/* return index of coreid or BADIDX if not found */
+uint ai_findcoreidx(si_t *sih, uint coreid, uint coreunit)
+{
+ si_info_t *sii;
+ uint found;
+ uint i;
+
+ sii = SI_INFO(sih);
+
+ found = 0;
+
+ for (i = 0; i < sii->numcores; i++)
+ if (sii->coreid[i] == coreid) {
+ if (found == coreunit)
+ return i;
+ found++;
+ }
+
+ return BADIDX;
+}
+
+/*
+ * This function changes logical "focus" to the indicated core;
+ * must be called with interrupts off.
+ * Moreover, callers should keep interrupts off during switching
+ * out of and back to d11 core.
+ */
+void *ai_setcore(si_t *sih, uint coreid, uint coreunit)
+{
+ uint idx;
+
+ idx = ai_findcoreidx(sih, coreid, coreunit);
+ if (!GOODIDX(idx))
+ return NULL;
+
+ if (sih->socitype == SOCI_AI)
+ return ai_setcoreidx(sih, idx);
+ else {
+ ASSERT(0);
+ return NULL;
+ }
+}
+
+/* Turn off interrupt as required by ai_setcore, before switch core */
+void *ai_switch_core(si_t *sih, uint coreid, uint *origidx, uint *intr_val)
+{
+ void *cc;
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ if (SI_FAST(sii)) {
+ /* Overloading the origidx variable to remember the coreid,
+ * this works because the core ids cannot be confused with
+ * core indices.
+ */
+ *origidx = coreid;
+ if (coreid == CC_CORE_ID)
+ return (void *)CCREGS_FAST(sii);
+ else if (coreid == sih->buscoretype)
+ return (void *)PCIEREGS(sii);
+ }
+ INTR_OFF(sii, *intr_val);
+ *origidx = sii->curidx;
+ cc = ai_setcore(sih, coreid, 0);
+ ASSERT(cc != NULL);
+
+ return cc;
+}
+
+/* restore coreidx and restore interrupt */
+void ai_restore_core(si_t *sih, uint coreid, uint intr_val)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+ if (SI_FAST(sii)
+ && ((coreid == CC_CORE_ID) || (coreid == sih->buscoretype)))
+ return;
+
+ ai_setcoreidx(sih, coreid);
+ INTR_RESTORE(sii, intr_val);
+}
+
+void ai_write_wrapperreg(si_t *sih, u32 offset, u32 val)
+{
+ si_info_t *sii = SI_INFO(sih);
+ u32 *w = (u32 *) sii->curwrap;
+ W_REG(w + (offset / 4), val);
+ return;
+}
+
+/*
+ * Switch to 'coreidx', issue a single arbitrary 32bit register mask&set
+ * operation, switch back to the original core, and return the new value.
+ *
+ * When using the silicon backplane, no fiddling with interrupts or core
+ * switches is needed.
+ *
+ * Also, when using pci/pcie, we can optimize away the core switching for pci
+ * registers and (on newer pci cores) chipcommon registers.
+ */
+uint ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask, uint val)
+{
+ uint origidx = 0;
+ u32 *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 (sih->bustype == SI_BUS) {
+ /* If internal bus, we can always get at everything */
+ fast = true;
+ /* map if does not exist */
+ if (!sii->regs[coreidx]) {
+ sii->regs[coreidx] = REG_MAP(sii->coresba[coreidx],
+ SI_CORE_SIZE);
+ ASSERT(GOODREGS(sii->regs[coreidx]));
+ }
+ r = (u32 *) ((unsigned char *) sii->regs[coreidx] + regoff);
+ } else if (sih->bustype == PCI_BUS) {
+ /*
+ * If pci/pcie, we can get at pci/pcie regs
+ * and on newer cores to chipc
+ */
+ if ((sii->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sii)) {
+ /* Chipc registers are mapped at 12KB */
+
+ fast = true;
+ r = (u32 *) ((char *)sii->curmap +
+ PCI_16KB0_CCREGS_OFFSET + regoff);
+ } else if (sii->pub.buscoreidx == coreidx) {
+ /*
+ * pci registers are at either in the last 2KB of
+ * an 8KB window or, in pcie and pci rev 13 at 8KB
+ */
+ fast = true;
+ if (SI_FAST(sii))
+ r = (u32 *) ((char *)sii->curmap +
+ PCI_16KB0_PCIREGS_OFFSET +
+ regoff);
+ else
+ r = (u32 *) ((char *)sii->curmap +
+ ((regoff >= SBCONFIGOFF) ?
+ PCI_BAR0_PCISBR_OFFSET :
+ PCI_BAR0_PCIREGS_OFFSET) +
+ regoff);
+ }
+ }
+
+ if (!fast) {
+ INTR_OFF(sii, intr_val);
+
+ /* save current core index */
+ origidx = ai_coreidx(&sii->pub);
+
+ /* switch core */
+ r = (u32 *) ((unsigned char *) ai_setcoreidx(&sii->pub, coreidx)
+ + regoff);
+ }
+ ASSERT(r != NULL);
+
+ /* mask and set */
+ if (mask || val) {
+ w = (R_REG(r) & ~mask) | val;
+ W_REG(r, w);
+ }
+
+ /* readback */
+ w = R_REG(r);
+
+ if (!fast) {
+ /* restore core index */
+ if (origidx != coreidx)
+ ai_setcoreidx(&sii->pub, origidx);
+
+ INTR_RESTORE(sii, intr_val);
+ }
+
+ return w;
+}
+
+void ai_core_disable(si_t *sih, u32 bits)
+{
+ si_info_t *sii;
+ u32 dummy;
+ aidmp_t *ai;
+
+ sii = SI_INFO(sih);
+
+ ASSERT(GOODREGS(sii->curwrap));
+ ai = sii->curwrap;
+
+ /* if core is already in reset, just return */
+ if (R_REG(&ai->resetctrl) & AIRC_RESET)
+ return;
+
+ W_REG(&ai->ioctrl, bits);
+ dummy = R_REG(&ai->ioctrl);
+ udelay(10);
+
+ W_REG(&ai->resetctrl, AIRC_RESET);
+ udelay(1);
+}
+
+/* reset and re-enable a core
+ * inputs:
+ * bits - core specific bits that are set during and after reset sequence
+ * resetbits - core specific bits that are set only during reset sequence
+ */
+void ai_core_reset(si_t *sih, u32 bits, u32 resetbits)
+{
+ si_info_t *sii;
+ aidmp_t *ai;
+ u32 dummy;
+
+ sii = SI_INFO(sih);
+ ASSERT(GOODREGS(sii->curwrap));
+ ai = sii->curwrap;
+
+ /*
+ * Must do the disable sequence first to work
+ * for arbitrary current core state.
+ */
+ ai_core_disable(sih, (bits | resetbits));
+
+ /*
+ * Now do the initialization sequence.
+ */
+ W_REG(&ai->ioctrl, (bits | SICF_FGC | SICF_CLOCK_EN));
+ dummy = R_REG(&ai->ioctrl);
+ W_REG(&ai->resetctrl, 0);
+ udelay(1);
+
+ W_REG(&ai->ioctrl, (bits | SICF_CLOCK_EN));
+ dummy = R_REG(&ai->ioctrl);
+ udelay(1);
+}
+
+/* return the slow clock source - LPO, XTAL, or PCI */
+static uint ai_slowclk_src(si_info_t *sii)
+{
+ chipcregs_t *cc;
+ u32 val;
+
+ ASSERT(SI_FAST(sii) || ai_coreid(&sii->pub) == CC_CORE_ID);
+
+ if (sii->pub.ccrev < 6) {
+ if (sii->pub.bustype == PCI_BUS) {
+ pci_read_config_dword(sii->pbus, PCI_GPIO_OUT,
+ &val);
+ if (val & PCI_CFG_GPIO_SCS)
+ return SCC_SS_PCI;
+ }
+ return SCC_SS_XTAL;
+ } else if (sii->pub.ccrev < 10) {
+ cc = (chipcregs_t *) ai_setcoreidx(&sii->pub, sii->curidx);
+ return R_REG(&cc->slow_clk_ctl) & SCC_SS_MASK;
+ } else /* Insta-clock */
+ return SCC_SS_XTAL;
+}
+
+/* return the ILP (slowclock) min or max frequency */
+static uint ai_slowclk_freq(si_info_t *sii, bool max_freq, chipcregs_t *cc)
+{
+ u32 slowclk;
+ uint div;
+
+ ASSERT(SI_FAST(sii) || ai_coreid(&sii->pub) == CC_CORE_ID);
+
+ /*
+ * shouldn't be here unless we've established
+ * the chip has dynamic clk control
+ */
+ ASSERT(R_REG(&cc->capabilities) & CC_CAP_PWR_CTL);
+
+ slowclk = ai_slowclk_src(sii);
+ if (sii->pub.ccrev < 6) {
+ if (slowclk == SCC_SS_PCI)
+ return max_freq ? (PCIMAXFREQ / 64)
+ : (PCIMINFREQ / 64);
+ else
+ return max_freq ? (XTALMAXFREQ / 32)
+ : (XTALMINFREQ / 32);
+ } else if (sii->pub.ccrev < 10) {
+ div = 4 *
+ (((R_REG(&cc->slow_clk_ctl) & SCC_CD_MASK) >>
+ SCC_CD_SHIFT) + 1);
+ if (slowclk == SCC_SS_LPO)
+ return max_freq ? LPOMAXFREQ : LPOMINFREQ;
+ else if (slowclk == SCC_SS_XTAL)
+ return max_freq ? (XTALMAXFREQ / div)
+ : (XTALMINFREQ / div);
+ else if (slowclk == SCC_SS_PCI)
+ return max_freq ? (PCIMAXFREQ / div)
+ : (PCIMINFREQ / div);
+ else
+ ASSERT(0);
+ } else {
+ /* Chipc rev 10 is InstaClock */
+ div = R_REG(&cc->system_clk_ctl) >> SYCC_CD_SHIFT;
+ div = 4 * (div + 1);
+ return max_freq ? XTALMAXFREQ : (XTALMINFREQ / div);
+ }
+ return 0;
+}
+
+static void ai_clkctl_setdelay(si_info_t *sii, void *chipcregs)
+{
+ chipcregs_t *cc = (chipcregs_t *) chipcregs;
+ uint slowmaxfreq, pll_delay, slowclk;
+ uint pll_on_delay, fref_sel_delay;
+
+ pll_delay = PLL_DELAY;
+
+ /*
+ * If the slow clock is not sourced by the xtal then
+ * add the xtal_on_delay since the xtal will also be
+ * powered down by dynamic clk control logic.
+ */
+
+ slowclk = ai_slowclk_src(sii);
+ if (slowclk != SCC_SS_XTAL)
+ pll_delay += XTAL_ON_DELAY;
+
+ /* Starting with 4318 it is ILP that is used for the delays */
+ slowmaxfreq =
+ ai_slowclk_freq(sii, (sii->pub.ccrev >= 10) ? false : true, cc);
+
+ pll_on_delay = ((slowmaxfreq * pll_delay) + 999999) / 1000000;
+ fref_sel_delay = ((slowmaxfreq * FREF_DELAY) + 999999) / 1000000;
+
+ W_REG(&cc->pll_on_delay, pll_on_delay);
+ W_REG(&cc->fref_sel_delay, fref_sel_delay);
+}
+
+/* initialize power control delay registers */
+void ai_clkctl_init(si_t *sih)
+{
+ si_info_t *sii;
+ uint origidx = 0;
+ chipcregs_t *cc;
+ bool fast;
+
+ if (!CCCTL_ENAB(sih))
+ return;
+
+ sii = SI_INFO(sih);
+ fast = SI_FAST(sii);
+ if (!fast) {
+ origidx = sii->curidx;
+ cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
+ if (cc == NULL)
+ return;
+ } else {
+ cc = (chipcregs_t *) CCREGS_FAST(sii);
+ if (cc == NULL)
+ return;
+ }
+ ASSERT(cc != NULL);
+
+ /* set all Instaclk chip ILP to 1 MHz */
+ if (sih->ccrev >= 10)
+ SET_REG(&cc->system_clk_ctl, SYCC_CD_MASK,
+ (ILP_DIV_1MHZ << SYCC_CD_SHIFT));
+
+ ai_clkctl_setdelay(sii, (void *)cc);
+
+ if (!fast)
+ ai_setcoreidx(sih, origidx);
+}
+
+/*
+ * return the value suitable for writing to the
+ * dot11 core FAST_PWRUP_DELAY register
+ */
+u16 ai_clkctl_fast_pwrup_delay(si_t *sih)
+{
+ si_info_t *sii;
+ uint origidx = 0;
+ chipcregs_t *cc;
+ uint slowminfreq;
+ u16 fpdelay;
+ uint intr_val = 0;
+ bool fast;
+
+ sii = SI_INFO(sih);
+ if (PMUCTL_ENAB(sih)) {
+ INTR_OFF(sii, intr_val);
+ fpdelay = si_pmu_fast_pwrup_delay(sih);
+ INTR_RESTORE(sii, intr_val);
+ return fpdelay;
+ }
+
+ if (!CCCTL_ENAB(sih))
+ return 0;
+
+ fast = SI_FAST(sii);
+ fpdelay = 0;
+ if (!fast) {
+ origidx = sii->curidx;
+ INTR_OFF(sii, intr_val);
+ cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
+ if (cc == NULL)
+ goto done;
+ } else {
+ cc = (chipcregs_t *) CCREGS_FAST(sii);
+ if (cc == NULL)
+ goto done;
+ }
+ ASSERT(cc != NULL);
+
+ slowminfreq = ai_slowclk_freq(sii, false, cc);
+ fpdelay = (((R_REG(&cc->pll_on_delay) + 2) * 1000000) +
+ (slowminfreq - 1)) / slowminfreq;
+
+ done:
+ if (!fast) {
+ ai_setcoreidx(sih, origidx);
+ INTR_RESTORE(sii, intr_val);
+ }
+ return fpdelay;
+}
+
+/* turn primary xtal and/or pll off/on */
+int ai_clkctl_xtal(si_t *sih, uint what, bool on)
+{
+ si_info_t *sii;
+ u32 in, out, outen;
+
+ sii = SI_INFO(sih);
+
+ switch (sih->bustype) {
+
+ case PCI_BUS:
+ /* pcie core doesn't have any mapping to control the xtal pu */
+ if (PCIE(sii))
+ return -1;
+
+ pci_read_config_dword(sii->pbus, PCI_GPIO_IN, &in);
+ pci_read_config_dword(sii->pbus, PCI_GPIO_OUT, &out);
+ pci_read_config_dword(sii->pbus, PCI_GPIO_OUTEN, &outen);
+
+ /*
+ * Avoid glitching the clock if GPRS is already using it.
+ * We can't actually read the state of the PLLPD so we infer it
+ * by the value of XTAL_PU which *is* readable via gpioin.
+ */
+ if (on && (in & PCI_CFG_GPIO_XTAL))
+ return 0;
+
+ if (what & XTAL)
+ outen |= PCI_CFG_GPIO_XTAL;
+ if (what & PLL)
+ outen |= PCI_CFG_GPIO_PLL;
+
+ if (on) {
+ /* turn primary xtal on */
+ if (what & XTAL) {
+ out |= PCI_CFG_GPIO_XTAL;
+ if (what & PLL)
+ out |= PCI_CFG_GPIO_PLL;
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUT, out);
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUTEN, outen);
+ udelay(XTAL_ON_DELAY);
+ }
+
+ /* turn pll on */
+ if (what & PLL) {
+ out &= ~PCI_CFG_GPIO_PLL;
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUT, out);
+ mdelay(2);
+ }
+ } else {
+ if (what & XTAL)
+ out &= ~PCI_CFG_GPIO_XTAL;
+ if (what & PLL)
+ out |= PCI_CFG_GPIO_PLL;
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUT, out);
+ pci_write_config_dword(sii->pbus,
+ PCI_GPIO_OUTEN, outen);
+ }
+
+ default:
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * clock control policy function throught chipcommon
+ *
+ * set dynamic clk control mode (forceslow, forcefast, dynamic)
+ * returns true if we are forcing fast clock
+ * this is a wrapper over the next internal function
+ * to allow flexible policy settings for outside caller
+ */
+bool ai_clkctl_cc(si_t *sih, uint mode)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ /* chipcommon cores prior to rev6 don't support dynamic clock control */
+ if (sih->ccrev < 6)
+ return false;
+
+ if (PCI_FORCEHT(sii))
+ return mode == CLK_FAST;
+
+ return _ai_clkctl_cc(sii, mode);
+}
+
+/* clk control mechanism through chipcommon, no policy checking */
+static bool _ai_clkctl_cc(si_info_t *sii, uint mode)
+{
+ uint origidx = 0;
+ chipcregs_t *cc;
+ u32 scc;
+ uint intr_val = 0;
+ bool fast = SI_FAST(sii);
+
+ /* chipcommon cores prior to rev6 don't support dynamic clock control */
+ if (sii->pub.ccrev < 6)
+ return false;
+
+ /*
+ * Chips with ccrev 10 are EOL and they
+ * don't have SYCC_HR which we use below
+ */
+ ASSERT(sii->pub.ccrev != 10);
+
+ if (!fast) {
+ INTR_OFF(sii, intr_val);
+ origidx = sii->curidx;
+
+ if ((sii->pub.bustype == SI_BUS) &&
+ ai_setcore(&sii->pub, MIPS33_CORE_ID, 0) &&
+ (ai_corerev(&sii->pub) <= 7) && (sii->pub.ccrev >= 10))
+ goto done;
+
+ cc = (chipcregs_t *) ai_setcore(&sii->pub, CC_CORE_ID, 0);
+ } else {
+ cc = (chipcregs_t *) CCREGS_FAST(sii);
+ if (cc == NULL)
+ goto done;
+ }
+ ASSERT(cc != NULL);
+
+ if (!CCCTL_ENAB(&sii->pub) && (sii->pub.ccrev < 20))
+ goto done;
+
+ switch (mode) {
+ case CLK_FAST: /* FORCEHT, fast (pll) clock */
+ if (sii->pub.ccrev < 10) {
+ /*
+ * don't forget to force xtal back
+ * on before we clear SCC_DYN_XTAL..
+ */
+ ai_clkctl_xtal(&sii->pub, XTAL, ON);
+ SET_REG(&cc->slow_clk_ctl,
+ (SCC_XC | SCC_FS | SCC_IP), SCC_IP);
+ } else if (sii->pub.ccrev < 20) {
+ OR_REG(&cc->system_clk_ctl, SYCC_HR);
+ } else {
+ OR_REG(&cc->clk_ctl_st, CCS_FORCEHT);
+ }
+
+ /* wait for the PLL */
+ if (PMUCTL_ENAB(&sii->pub)) {
+ u32 htavail = CCS_HTAVAIL;
+ SPINWAIT(((R_REG(&cc->clk_ctl_st) & htavail)
+ == 0), PMU_MAX_TRANSITION_DLY);
+ ASSERT(R_REG(&cc->clk_ctl_st) & htavail);
+ } else {
+ udelay(PLL_DELAY);
+ }
+ break;
+
+ case CLK_DYNAMIC: /* enable dynamic clock control */
+ if (sii->pub.ccrev < 10) {
+ scc = R_REG(&cc->slow_clk_ctl);
+ scc &= ~(SCC_FS | SCC_IP | SCC_XC);
+ if ((scc & SCC_SS_MASK) != SCC_SS_XTAL)
+ scc |= SCC_XC;
+ W_REG(&cc->slow_clk_ctl, scc);
+
+ /*
+ * for dynamic control, we have to
+ * release our xtal_pu "force on"
+ */
+ if (scc & SCC_XC)
+ ai_clkctl_xtal(&sii->pub, XTAL, OFF);
+ } else if (sii->pub.ccrev < 20) {
+ /* Instaclock */
+ AND_REG(&cc->system_clk_ctl, ~SYCC_HR);
+ } else {
+ AND_REG(&cc->clk_ctl_st, ~CCS_FORCEHT);
+ }
+ break;
+
+ default:
+ ASSERT(0);
+ }
+
+ done:
+ if (!fast) {
+ ai_setcoreidx(&sii->pub, origidx);
+ INTR_RESTORE(sii, intr_val);
+ }
+ return mode == CLK_FAST;
+}
+
+/* Build device path. Support SI, PCI, and JTAG for now. */
+int ai_devpath(si_t *sih, char *path, int size)
+{
+ int slen;
+
+ ASSERT(path != NULL);
+ ASSERT(size >= SI_DEVPATH_BUFSZ);
+
+ if (!path || size <= 0)
+ return -1;
+
+ switch (sih->bustype) {
+ case SI_BUS:
+ case JTAG_BUS:
+ slen = snprintf(path, (size_t) size, "sb/%u/", ai_coreidx(sih));
+ break;
+ case PCI_BUS:
+ ASSERT((SI_INFO(sih))->pbus != NULL);
+ slen = snprintf(path, (size_t) size, "pci/%u/%u/",
+ ((struct pci_dev *)((SI_INFO(sih))->pbus))->bus->number,
+ PCI_SLOT(
+ ((struct pci_dev *)((SI_INFO(sih))->pbus))->devfn));
+ break;
+
+ default:
+ slen = -1;
+ ASSERT(0);
+ break;
+ }
+
+ if (slen < 0 || slen >= size) {
+ path[0] = '\0';
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Get a variable, but only if it has a devpath prefix */
+char *ai_getdevpathvar(si_t *sih, const char *name)
+{
+ char varname[SI_DEVPATH_BUFSZ + 32];
+
+ ai_devpathvar(sih, varname, sizeof(varname), name);
+
+ return getvar(NULL, varname);
+}
+
+/* Get a variable, but only if it has a devpath prefix */
+int ai_getdevpathintvar(si_t *sih, const char *name)
+{
+#if defined(BCMBUSTYPE) && (BCMBUSTYPE == SI_BUS)
+ return getintvar(NULL, name);
+#else
+ char varname[SI_DEVPATH_BUFSZ + 32];
+
+ ai_devpathvar(sih, varname, sizeof(varname), name);
+
+ return getintvar(NULL, varname);
+#endif
+}
+
+char *ai_getnvramflvar(si_t *sih, const char *name)
+{
+ return getvar(NULL, name);
+}
+
+/* Concatenate the dev path with a varname into the given 'var' buffer
+ * and return the 'var' pointer. Nothing is done to the arguments if
+ * len == 0 or var is NULL, var is still returned. On overflow, the
+ * first char will be set to '\0'.
+ */
+static char *ai_devpathvar(si_t *sih, char *var, int len, const char *name)
+{
+ uint path_len;
+
+ if (!var || len <= 0)
+ return var;
+
+ if (ai_devpath(sih, var, len) == 0) {
+ path_len = strlen(var);
+
+ if (strlen(name) + 1 > (uint) (len - path_len))
+ var[0] = '\0';
+ else
+ strncpy(var + path_len, name, len - path_len - 1);
+ }
+
+ return var;
+}
+
+/* return true if PCIE capability exists in the pci config space */
+static __used bool ai_ispcie(si_info_t *sii)
+{
+ u8 cap_ptr;
+
+ if (sii->pub.bustype != PCI_BUS)
+ return false;
+
+ cap_ptr =
+ pcicore_find_pci_capability(sii->pbus, PCI_CAP_ID_EXP, NULL,
+ NULL);
+ if (!cap_ptr)
+ return false;
+
+ return true;
+}
+
+bool ai_pci_war16165(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ return PCI(sii) && (sih->buscorerev <= 10);
+}
+
+void ai_pci_up(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ /* if not pci bus, we're done */
+ if (sih->bustype != PCI_BUS)
+ return;
+
+ if (PCI_FORCEHT(sii))
+ _ai_clkctl_cc(sii, CLK_FAST);
+
+ if (PCIE(sii))
+ pcicore_up(sii->pch, SI_PCIUP);
+
+}
+
+/* Unconfigure and/or apply various WARs when system is going to sleep mode */
+void ai_pci_sleep(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ pcicore_sleep(sii->pch);
+}
+
+/* Unconfigure and/or apply various WARs when going down */
+void ai_pci_down(si_t *sih)
+{
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ /* if not pci bus, we're done */
+ if (sih->bustype != PCI_BUS)
+ return;
+
+ /* release FORCEHT since chip is going to "down" state */
+ if (PCI_FORCEHT(sii))
+ _ai_clkctl_cc(sii, CLK_DYNAMIC);
+
+ pcicore_down(sii->pch, SI_PCIDOWN);
+}
+
+/*
+ * Configure the pci core for pci client (NIC) action
+ * coremask is the bitvec of cores by index to be enabled.
+ */
+void ai_pci_setup(si_t *sih, uint coremask)
+{
+ si_info_t *sii;
+ struct sbpciregs *pciregs = NULL;
+ u32 siflag = 0, w;
+ uint idx = 0;
+
+ sii = SI_INFO(sih);
+
+ if (sii->pub.bustype != PCI_BUS)
+ return;
+
+ ASSERT(PCI(sii) || PCIE(sii));
+ ASSERT(sii->pub.buscoreidx != BADIDX);
+
+ if (PCI(sii)) {
+ /* get current core index */
+ idx = sii->curidx;
+
+ /* we interrupt on this backplane flag number */
+ siflag = ai_flag(sih);
+
+ /* switch over to pci core */
+ pciregs = ai_setcoreidx(sih, sii->pub.buscoreidx);
+ }
+
+ /*
+ * Enable sb->pci interrupts. Assume
+ * PCI rev 2.3 support was added in pci core rev 6 and things changed..
+ */
+ if (PCIE(sii) || (PCI(sii) && ((sii->pub.buscorerev) >= 6))) {
+ /* pci config write to set this core bit in PCIIntMask */
+ pci_read_config_dword(sii->pbus, PCI_INT_MASK, &w);
+ w |= (coremask << PCI_SBIM_SHIFT);
+ pci_write_config_dword(sii->pbus, PCI_INT_MASK, w);
+ } else {
+ /* set sbintvec bit for our flag number */
+ ai_setint(sih, siflag);
+ }
+
+ if (PCI(sii)) {
+ OR_REG(&pciregs->sbtopci2,
+ (SBTOPCI_PREF | SBTOPCI_BURST));
+ if (sii->pub.buscorerev >= 11) {
+ OR_REG(&pciregs->sbtopci2,
+ SBTOPCI_RC_READMULTI);
+ w = R_REG(&pciregs->clkrun);
+ W_REG(&pciregs->clkrun,
+ (w | PCI_CLKRUN_DSBL));
+ w = R_REG(&pciregs->clkrun);
+ }
+
+ /* switch back to previous core */
+ ai_setcoreidx(sih, idx);
+ }
+}
+
+/*
+ * Fixup SROMless PCI device's configuration.
+ * The current core may be changed upon return.
+ */
+int ai_pci_fixcfg(si_t *sih)
+{
+ uint origidx, pciidx;
+ struct sbpciregs *pciregs = NULL;
+ sbpcieregs_t *pcieregs = NULL;
+ void *regs = NULL;
+ u16 val16, *reg16 = NULL;
+
+ si_info_t *sii = SI_INFO(sih);
+
+ ASSERT(sii->pub.bustype == PCI_BUS);
+
+ /* Fixup PI in SROM shadow area to enable the correct PCI core access */
+ /* save the current index */
+ origidx = ai_coreidx(&sii->pub);
+
+ /* check 'pi' is correct and fix it if not */
+ if (sii->pub.buscoretype == PCIE_CORE_ID) {
+ pcieregs = ai_setcore(&sii->pub, PCIE_CORE_ID, 0);
+ regs = pcieregs;
+ ASSERT(pcieregs != NULL);
+ reg16 = &pcieregs->sprom[SRSH_PI_OFFSET];
+ } else if (sii->pub.buscoretype == PCI_CORE_ID) {
+ pciregs = ai_setcore(&sii->pub, PCI_CORE_ID, 0);
+ regs = pciregs;
+ ASSERT(pciregs != NULL);
+ reg16 = &pciregs->sprom[SRSH_PI_OFFSET];
+ }
+ pciidx = ai_coreidx(&sii->pub);
+ val16 = R_REG(reg16);
+ if (((val16 & SRSH_PI_MASK) >> SRSH_PI_SHIFT) != (u16) pciidx) {
+ val16 =
+ (u16) (pciidx << SRSH_PI_SHIFT) | (val16 &
+ ~SRSH_PI_MASK);
+ W_REG(reg16, val16);
+ }
+
+ /* restore the original index */
+ ai_setcoreidx(&sii->pub, origidx);
+
+ pcicore_hwup(sii->pch);
+ return 0;
+}
+
+/* mask&set gpiocontrol bits */
+u32 ai_gpiocontrol(si_t *sih, u32 mask, u32 val, u8 priority)
+{
+ uint regoff;
+
+ regoff = 0;
+
+ /* gpios could be shared on router platforms
+ * ignore reservation if it's high priority (e.g., test apps)
+ */
+ if ((priority != GPIO_HI_PRIORITY) &&
+ (sih->bustype == SI_BUS) && (val || mask)) {
+ mask = priority ? (ai_gpioreservation & mask) :
+ ((ai_gpioreservation | mask) & ~(ai_gpioreservation));
+ val &= mask;
+ }
+
+ regoff = offsetof(chipcregs_t, gpiocontrol);
+ return ai_corereg(sih, SI_CC_IDX, regoff, mask, val);
+}
+
+void ai_chipcontrl_epa4331(si_t *sih, bool on)
+{
+ si_info_t *sii;
+ chipcregs_t *cc;
+ uint origidx;
+ u32 val;
+
+ sii = SI_INFO(sih);
+ origidx = ai_coreidx(sih);
+
+ cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
+
+ val = R_REG(&cc->chipcontrol);
+
+ if (on) {
+ if (sih->chippkg == 9 || sih->chippkg == 0xb) {
+ /* Ext PA Controls for 4331 12x9 Package */
+ W_REG(&cc->chipcontrol, val |
+ (CCTRL4331_EXTPA_EN |
+ CCTRL4331_EXTPA_ON_GPIO2_5));
+ } else {
+ /* Ext PA Controls for 4331 12x12 Package */
+ W_REG(&cc->chipcontrol,
+ val | (CCTRL4331_EXTPA_EN));
+ }
+ } else {
+ val &= ~(CCTRL4331_EXTPA_EN | CCTRL4331_EXTPA_ON_GPIO2_5);
+ W_REG(&cc->chipcontrol, val);
+ }
+
+ ai_setcoreidx(sih, origidx);
+}
+
+/* Enable BT-COEX & Ex-PA for 4313 */
+void ai_epa_4313war(si_t *sih)
+{
+ si_info_t *sii;
+ chipcregs_t *cc;
+ uint origidx;
+
+ sii = SI_INFO(sih);
+ origidx = ai_coreidx(sih);
+
+ cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
+
+ /* EPA Fix */
+ W_REG(&cc->gpiocontrol,
+ R_REG(&cc->gpiocontrol) | GPIO_CTRL_EPA_EN_MASK);
+
+ ai_setcoreidx(sih, origidx);
+}
+
+/* check if the device is removed */
+bool ai_deviceremoved(si_t *sih)
+{
+ u32 w;
+ si_info_t *sii;
+
+ sii = SI_INFO(sih);
+
+ switch (sih->bustype) {
+ case PCI_BUS:
+ ASSERT(sii->pbus != NULL);
+ pci_read_config_dword(sii->pbus, PCI_VENDOR_ID, &w);
+ if ((w & 0xFFFF) != PCI_VENDOR_ID_BROADCOM)
+ return true;
+ break;
+ }
+ return false;
+}
+
+bool ai_is_sprom_available(si_t *sih)
+{
+ if (sih->ccrev >= 31) {
+ si_info_t *sii;
+ uint origidx;
+ chipcregs_t *cc;
+ u32 sromctrl;
+
+ if ((sih->cccaps & CC_CAP_SROM) == 0)
+ return false;
+
+ sii = SI_INFO(sih);
+ origidx = sii->curidx;
+ cc = ai_setcoreidx(sih, SI_CC_IDX);
+ sromctrl = R_REG(&cc->sromcontrol);
+ ai_setcoreidx(sih, origidx);
+ return sromctrl & SRC_PRESENT;
+ }
+
+ switch (sih->chip) {
+ case BCM4329_CHIP_ID:
+ return (sih->chipst & CST4329_SPROM_SEL) != 0;
+ case BCM4319_CHIP_ID:
+ return (sih->chipst & CST4319_SPROM_SEL) != 0;
+ case BCM4336_CHIP_ID:
+ return (sih->chipst & CST4336_SPROM_PRESENT) != 0;
+ case BCM4330_CHIP_ID:
+ return (sih->chipst & CST4330_SPROM_PRESENT) != 0;
+ case BCM4313_CHIP_ID:
+ return (sih->chipst & CST4313_SPROM_PRESENT) != 0;
+ case BCM4331_CHIP_ID:
+ return (sih->chipst & CST4331_SPROM_PRESENT) != 0;
+ default:
+ return true;
+ }
+}
+
+bool ai_is_otp_disabled(si_t *sih)
+{
+ switch (sih->chip) {
+ case BCM4329_CHIP_ID:
+ return (sih->chipst & CST4329_SPROM_OTP_SEL_MASK) ==
+ CST4329_OTP_PWRDN;
+ case BCM4319_CHIP_ID:
+ return (sih->chipst & CST4319_SPROM_OTP_SEL_MASK) ==
+ CST4319_OTP_PWRDN;
+ case BCM4336_CHIP_ID:
+ return (sih->chipst & CST4336_OTP_PRESENT) == 0;
+ case BCM4330_CHIP_ID:
+ return (sih->chipst & CST4330_OTP_PRESENT) == 0;
+ case BCM4313_CHIP_ID:
+ return (sih->chipst & CST4313_OTP_PRESENT) == 0;
+ /* These chips always have their OTP on */
+ case BCM43224_CHIP_ID:
+ case BCM43225_CHIP_ID:
+ case BCM43421_CHIP_ID:
+ case BCM43235_CHIP_ID:
+ case BCM43236_CHIP_ID:
+ case BCM43238_CHIP_ID:
+ case BCM4331_CHIP_ID:
+ default:
+ return false;
+ }
+}
+
+bool ai_is_otp_powered(si_t *sih)
+{
+ if (PMUCTL_ENAB(sih))
+ return si_pmu_is_otp_powered(sih);
+ return true;
+}
+
+void ai_otp_power(si_t *sih, bool on)
+{
+ if (PMUCTL_ENAB(sih))
+ si_pmu_otp_power(sih, on);
+ udelay(1000);
+}
--- /dev/null
+/*
+ * Copyright (c) 2011 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _aiutils_h_
+#define _aiutils_h_
+
+/* cpp contortions to concatenate w/arg prescan */
+#ifndef PAD
+#define _PADLINE(line) pad ## line
+#define _XSTR(line) _PADLINE(line)
+#define PAD _XSTR(__LINE__)
+#endif
+
+/* Include the soci specific files */
+#include <aidmp.h>
+
+/*
+ * SOC Interconnect Address Map.
+ * All regions may not exist on all chips.
+ */
+/* Physical SDRAM */
+#define SI_SDRAM_BASE 0x00000000
+/* Host Mode sb2pcitranslation0 (64 MB) */
+#define SI_PCI_MEM 0x08000000
+#define SI_PCI_MEM_SZ (64 * 1024 * 1024)
+/* Host Mode sb2pcitranslation1 (64 MB) */
+#define SI_PCI_CFG 0x0c000000
+/* Byteswapped Physical SDRAM */
+#define SI_SDRAM_SWAPPED 0x10000000
+/* Region 2 for sdram (512 MB) */
+#define SI_SDRAM_R2 0x80000000
+
+#ifdef SI_ENUM_BASE_VARIABLE
+#define SI_ENUM_BASE (sii->pub.si_enum_base)
+#else
+#define SI_ENUM_BASE 0x18000000 /* Enumeration space base */
+#endif /* SI_ENUM_BASE_VARIABLE */
+
+/* Wrapper space base */
+#define SI_WRAP_BASE 0x18100000
+/* each core gets 4Kbytes for registers */
+#define SI_CORE_SIZE 0x1000
+/*
+ * Max cores (this is arbitrary, for software
+ * convenience and could be changed if we
+ * make any larger chips
+ */
+#define SI_MAXCORES 16
+
+/* On-chip RAM on chips that also have DDR */
+#define SI_FASTRAM 0x19000000
+#define SI_FASTRAM_SWAPPED 0x19800000
+
+/* Flash Region 2 (region 1 shadowed here) */
+#define SI_FLASH2 0x1c000000
+/* Size of Flash Region 2 */
+#define SI_FLASH2_SZ 0x02000000
+/* ARM Cortex-M3 ROM */
+#define SI_ARMCM3_ROM 0x1e000000
+/* MIPS Flash Region 1 */
+#define SI_FLASH1 0x1fc00000
+/* MIPS Size of Flash Region 1 */
+#define SI_FLASH1_SZ 0x00400000
+/* ARM7TDMI-S ROM */
+#define SI_ARM7S_ROM 0x20000000
+/* ARM Cortex-M3 SRAM Region 2 */
+#define SI_ARMCM3_SRAM2 0x60000000
+/* ARM7TDMI-S SRAM Region 2 */
+#define SI_ARM7S_SRAM2 0x80000000
+/* ARM Flash Region 1 */
+#define SI_ARM_FLASH1 0xffff0000
+/* ARM Size of Flash Region 1 */
+#define SI_ARM_FLASH1_SZ 0x00010000
+
+/* Client Mode sb2pcitranslation2 (1 GB) */
+#define SI_PCI_DMA 0x40000000
+/* Client Mode sb2pcitranslation2 (1 GB) */
+#define SI_PCI_DMA2 0x80000000
+/* Client Mode sb2pcitranslation2 size in bytes */
+#define SI_PCI_DMA_SZ 0x40000000
+/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), low 32 bits */
+#define SI_PCIE_DMA_L32 0x00000000
+/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */
+#define SI_PCIE_DMA_H32 0x80000000
+
+/* core codes */
+#define NODEV_CORE_ID 0x700 /* Invalid coreid */
+#define CC_CORE_ID 0x800 /* chipcommon core */
+#define ILINE20_CORE_ID 0x801 /* iline20 core */
+#define SRAM_CORE_ID 0x802 /* sram core */
+#define SDRAM_CORE_ID 0x803 /* sdram core */
+#define PCI_CORE_ID 0x804 /* pci core */
+#define MIPS_CORE_ID 0x805 /* mips core */
+#define ENET_CORE_ID 0x806 /* enet mac core */
+#define CODEC_CORE_ID 0x807 /* v90 codec core */
+#define USB_CORE_ID 0x808 /* usb 1.1 host/device core */
+#define ADSL_CORE_ID 0x809 /* ADSL core */
+#define ILINE100_CORE_ID 0x80a /* iline100 core */
+#define IPSEC_CORE_ID 0x80b /* ipsec core */
+#define UTOPIA_CORE_ID 0x80c /* utopia core */
+#define PCMCIA_CORE_ID 0x80d /* pcmcia core */
+#define SOCRAM_CORE_ID 0x80e /* internal memory core */
+#define MEMC_CORE_ID 0x80f /* memc sdram core */
+#define OFDM_CORE_ID 0x810 /* OFDM phy core */
+#define EXTIF_CORE_ID 0x811 /* external interface core */
+#define D11_CORE_ID 0x812 /* 802.11 MAC core */
+#define APHY_CORE_ID 0x813 /* 802.11a phy core */
+#define BPHY_CORE_ID 0x814 /* 802.11b phy core */
+#define GPHY_CORE_ID 0x815 /* 802.11g phy core */
+#define MIPS33_CORE_ID 0x816 /* mips3302 core */
+#define USB11H_CORE_ID 0x817 /* usb 1.1 host core */
+#define USB11D_CORE_ID 0x818 /* usb 1.1 device core */
+#define USB20H_CORE_ID 0x819 /* usb 2.0 host core */
+#define USB20D_CORE_ID 0x81a /* usb 2.0 device core */
+#define SDIOH_CORE_ID 0x81b /* sdio host core */
+#define ROBO_CORE_ID 0x81c /* roboswitch core */
+#define ATA100_CORE_ID 0x81d /* parallel ATA core */
+#define SATAXOR_CORE_ID 0x81e /* serial ATA & XOR DMA core */
+#define GIGETH_CORE_ID 0x81f /* gigabit ethernet core */
+#define PCIE_CORE_ID 0x820 /* pci express core */
+#define NPHY_CORE_ID 0x821 /* 802.11n 2x2 phy core */
+#define SRAMC_CORE_ID 0x822 /* SRAM controller core */
+#define MINIMAC_CORE_ID 0x823 /* MINI MAC/phy core */
+#define ARM11_CORE_ID 0x824 /* ARM 1176 core */
+#define ARM7S_CORE_ID 0x825 /* ARM7tdmi-s core */
+#define LPPHY_CORE_ID 0x826 /* 802.11a/b/g phy core */
+#define PMU_CORE_ID 0x827 /* PMU core */
+#define SSNPHY_CORE_ID 0x828 /* 802.11n single-stream phy core */
+#define SDIOD_CORE_ID 0x829 /* SDIO device core */
+#define ARMCM3_CORE_ID 0x82a /* ARM Cortex M3 core */
+#define HTPHY_CORE_ID 0x82b /* 802.11n 4x4 phy core */
+#define MIPS74K_CORE_ID 0x82c /* mips 74k core */
+#define GMAC_CORE_ID 0x82d /* Gigabit MAC core */
+#define DMEMC_CORE_ID 0x82e /* DDR1/2 memory controller core */
+#define PCIERC_CORE_ID 0x82f /* PCIE Root Complex core */
+#define OCP_CORE_ID 0x830 /* OCP2OCP bridge core */
+#define SC_CORE_ID 0x831 /* shared common core */
+#define AHB_CORE_ID 0x832 /* OCP2AHB bridge core */
+#define SPIH_CORE_ID 0x833 /* SPI host core */
+#define I2S_CORE_ID 0x834 /* I2S core */
+#define DMEMS_CORE_ID 0x835 /* SDR/DDR1 memory controller core */
+#define DEF_SHIM_COMP 0x837 /* SHIM component in ubus/6362 */
+#define OOB_ROUTER_CORE_ID 0x367 /* OOB router core ID */
+#define DEF_AI_COMP 0xfff /* Default component, in ai chips it
+ * maps all unused address ranges
+ */
+
+/* There are TWO constants on all HND chips: SI_ENUM_BASE above,
+ * and chipcommon being the first core:
+ */
+#define SI_CC_IDX 0
+
+/* SOC Interconnect types (aka chip types) */
+#define SOCI_AI 1
+
+/* Common core control flags */
+#define SICF_BIST_EN 0x8000
+#define SICF_PME_EN 0x4000
+#define SICF_CORE_BITS 0x3ffc
+#define SICF_FGC 0x0002
+#define SICF_CLOCK_EN 0x0001
+
+/* Common core status flags */
+#define SISF_BIST_DONE 0x8000
+#define SISF_BIST_ERROR 0x4000
+#define SISF_GATED_CLK 0x2000
+#define SISF_DMA64 0x1000
+#define SISF_CORE_BITS 0x0fff
+
+/* A register that is common to all cores to
+ * communicate w/PMU regarding clock control.
+ */
+#define SI_CLK_CTL_ST 0x1e0 /* clock control and status */
+
+/* clk_ctl_st register */
+#define CCS_FORCEALP 0x00000001 /* force ALP request */
+#define CCS_FORCEHT 0x00000002 /* force HT request */
+#define CCS_FORCEILP 0x00000004 /* force ILP request */
+#define CCS_ALPAREQ 0x00000008 /* ALP Avail Request */
+#define CCS_HTAREQ 0x00000010 /* HT Avail Request */
+#define CCS_FORCEHWREQOFF 0x00000020 /* Force HW Clock Request Off */
+#define CCS_ERSRC_REQ_MASK 0x00000700 /* external resource requests */
+#define CCS_ERSRC_REQ_SHIFT 8
+#define CCS_ALPAVAIL 0x00010000 /* ALP is available */
+#define CCS_HTAVAIL 0x00020000 /* HT is available */
+#define CCS_BP_ON_APL 0x00040000 /* RO: running on ALP clock */
+#define CCS_BP_ON_HT 0x00080000 /* RO: running on HT clock */
+#define CCS_ERSRC_STS_MASK 0x07000000 /* external resource status */
+#define CCS_ERSRC_STS_SHIFT 24
+
+/* HT avail in chipc and pcmcia on 4328a0 */
+#define CCS0_HTAVAIL 0x00010000
+/* ALP avail in chipc and pcmcia on 4328a0 */
+#define CCS0_ALPAVAIL 0x00020000
+
+/* Not really related to SOC Interconnect, but a couple of software
+ * conventions for the use the flash space:
+ */
+
+/* Minumum amount of flash we support */
+#define FLASH_MIN 0x00020000 /* Minimum flash size */
+
+/* A boot/binary may have an embedded block that describes its size */
+#define BISZ_OFFSET 0x3e0 /* At this offset into the binary */
+#define BISZ_MAGIC 0x4249535a /* Marked with value: 'BISZ' */
+#define BISZ_MAGIC_IDX 0 /* Word 0: magic */
+#define BISZ_TXTST_IDX 1 /* 1: text start */
+#define BISZ_TXTEND_IDX 2 /* 2: text end */
+#define BISZ_DATAST_IDX 3 /* 3: data start */
+#define BISZ_DATAEND_IDX 4 /* 4: data end */
+#define BISZ_BSSST_IDX 5 /* 5: bss start */
+#define BISZ_BSSEND_IDX 6 /* 6: bss end */
+#define BISZ_SIZE 7 /* descriptor size in 32-bit integers */
+
+#define SI_INFO(sih) (si_info_t *)sih
+
+#define GOODCOREADDR(x, b) \
+ (((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \
+ IS_ALIGNED((x), SI_CORE_SIZE))
+#define GOODREGS(regs) \
+ ((regs) != NULL && IS_ALIGNED((unsigned long)(regs), SI_CORE_SIZE))
+#define BADCOREADDR 0
+#define GOODIDX(idx) (((uint)idx) < SI_MAXCORES)
+#define NOREV -1 /* Invalid rev */
+
+/* Newer chips can access PCI/PCIE and CC core without requiring to change
+ * PCI BAR0 WIN
+ */
+#define SI_FAST(si) (((si)->pub.buscoretype == PCIE_CORE_ID) || \
+ (((si)->pub.buscoretype == PCI_CORE_ID) && \
+ (si)->pub.buscorerev >= 13))
+
+#define PCIEREGS(si) (((char *)((si)->curmap) + PCI_16KB0_PCIREGS_OFFSET))
+#define CCREGS_FAST(si) (((char *)((si)->curmap) + PCI_16KB0_CCREGS_OFFSET))
+
+/*
+ * Macros to disable/restore function core(D11, ENET, ILINE20, etc) interrupts
+ * before after core switching to avoid invalid register accesss inside ISR.
+ */
+#define INTR_OFF(si, intr_val) \
+ if ((si)->intrsoff_fn && \
+ (si)->coreid[(si)->curidx] == (si)->dev_coreid) \
+ intr_val = (*(si)->intrsoff_fn)((si)->intr_arg)
+#define INTR_RESTORE(si, intr_val) \
+ if ((si)->intrsrestore_fn && \
+ (si)->coreid[(si)->curidx] == (si)->dev_coreid) \
+ (*(si)->intrsrestore_fn)((si)->intr_arg, intr_val)
+
+/* dynamic clock control defines */
+#define LPOMINFREQ 25000 /* low power oscillator min */
+#define LPOMAXFREQ 43000 /* low power oscillator max */
+#define XTALMINFREQ 19800000 /* 20 MHz - 1% */
+#define XTALMAXFREQ 20200000 /* 20 MHz + 1% */
+#define PCIMINFREQ 25000000 /* 25 MHz */
+#define PCIMAXFREQ 34000000 /* 33 MHz + fudge */
+
+#define ILP_DIV_5MHZ 0 /* ILP = 5 MHz */
+#define ILP_DIV_1MHZ 4 /* ILP = 1 MHz */
+
+#define PCI(si) (((si)->pub.bustype == PCI_BUS) && \
+ ((si)->pub.buscoretype == PCI_CORE_ID))
+#define PCIE(si) (((si)->pub.bustype == PCI_BUS) && \
+ ((si)->pub.buscoretype == PCIE_CORE_ID))
+#define PCI_FORCEHT(si) \
+ (PCIE(si) && (si->pub.chip == BCM4716_CHIP_ID))
+
+/* GPIO Based LED powersave defines */
+#define DEFAULT_GPIO_ONTIME 10 /* Default: 10% on */
+#define DEFAULT_GPIO_OFFTIME 90 /* Default: 10% on */
+
+#ifndef DEFAULT_GPIOTIMERVAL
+#define DEFAULT_GPIOTIMERVAL \
+ ((DEFAULT_GPIO_ONTIME << GPIO_ONTIME_SHIFT) | DEFAULT_GPIO_OFFTIME)
+#endif
+
+/*
+ * Data structure to export all chip specific common variables
+ * public (read-only) portion of aiutils handle returned by si_attach()
+ */
+struct si_pub {
+ uint socitype; /* SOCI_SB, SOCI_AI */
+
+ uint bustype; /* SI_BUS, PCI_BUS */
+ uint buscoretype; /* PCI_CORE_ID, PCIE_CORE_ID, PCMCIA_CORE_ID */
+ uint buscorerev; /* buscore rev */
+ uint buscoreidx; /* buscore index */
+ int ccrev; /* chip common core rev */
+ u32 cccaps; /* chip common capabilities */
+ u32 cccaps_ext; /* chip common capabilities extension */
+ int pmurev; /* pmu core rev */
+ u32 pmucaps; /* pmu capabilities */
+ uint boardtype; /* board type */
+ uint boardvendor; /* board vendor */
+ uint boardflags; /* board flags */
+ uint boardflags2; /* board flags2 */
+ uint chip; /* chip number */
+ uint chiprev; /* chip revision */
+ uint chippkg; /* chip package option */
+ u32 chipst; /* chip status */
+ bool issim; /* chip is in simulation or emulation */
+ uint socirev; /* SOC interconnect rev */
+ bool pci_pr32414;
+
+};
+
+/*
+ * for HIGH_ONLY driver, the si_t must be writable to allow states sync from
+ * BMAC to HIGH driver for monolithic driver, it is readonly to prevent accident
+ * change
+ */
+typedef const struct si_pub si_t;
+
+/*
+ * Many of the routines below take an 'sih' handle as their first arg.
+ * Allocate this by calling si_attach(). Free it by calling si_detach().
+ * At any one time, the sih is logically focused on one particular si core
+ * (the "current core").
+ * Use si_setcore() or si_setcoreidx() to change the association to another core
+ */
+
+#define BADIDX (SI_MAXCORES + 1)
+
+/* clkctl xtal what flags */
+#define XTAL 0x1 /* primary crystal oscillator (2050) */
+#define PLL 0x2 /* main chip pll */
+
+/* clkctl clk mode */
+#define CLK_FAST 0 /* force fast (pll) clock */
+#define CLK_DYNAMIC 2 /* enable dynamic clock control */
+
+/* GPIO usage priorities */
+#define GPIO_DRV_PRIORITY 0 /* Driver */
+#define GPIO_APP_PRIORITY 1 /* Application */
+#define GPIO_HI_PRIORITY 2 /* Highest priority. Ignore GPIO
+ * reservation
+ */
+
+/* GPIO pull up/down */
+#define GPIO_PULLUP 0
+#define GPIO_PULLDN 1
+
+/* GPIO event regtype */
+#define GPIO_REGEVT 0 /* GPIO register event */
+#define GPIO_REGEVT_INTMSK 1 /* GPIO register event int mask */
+#define GPIO_REGEVT_INTPOL 2 /* GPIO register event int polarity */
+
+/* device path */
+#define SI_DEVPATH_BUFSZ 16 /* min buffer size in bytes */
+
+/* SI routine enumeration: to be used by update function with multiple hooks */
+#define SI_DOATTACH 1
+#define SI_PCIDOWN 2
+#define SI_PCIUP 3
+
+#define ISSIM_ENAB(sih) 0
+
+/* PMU clock/power control */
+#if defined(BCMPMUCTL)
+#define PMUCTL_ENAB(sih) (BCMPMUCTL)
+#else
+#define PMUCTL_ENAB(sih) ((sih)->cccaps & CC_CAP_PMU)
+#endif
+
+/* chipcommon clock/power control (exclusive with PMU's) */
+#if defined(BCMPMUCTL) && BCMPMUCTL
+#define CCCTL_ENAB(sih) (0)
+#define CCPLL_ENAB(sih) (0)
+#else
+#define CCCTL_ENAB(sih) ((sih)->cccaps & CC_CAP_PWR_CTL)
+#define CCPLL_ENAB(sih) ((sih)->cccaps & CC_CAP_PLL_MASK)
+#endif
+
+typedef void (*gpio_handler_t) (u32 stat, void *arg);
+
+/* External PA enable mask */
+#define GPIO_CTRL_EPA_EN_MASK 0x40
+
+#define SI_ERROR(args)
+
+#ifdef BCMDBG
+#define SI_MSG(args) printk args
+#else
+#define SI_MSG(args)
+#endif /* BCMDBG */
+
+/* Define SI_VMSG to printf for verbose debugging, but don't check it in */
+#define SI_VMSG(args)
+
+#define IS_SIM(chippkg) \
+ ((chippkg == HDLSIM_PKG_ID) || (chippkg == HWSIM_PKG_ID))
+
+typedef u32(*si_intrsoff_t) (void *intr_arg);
+typedef void (*si_intrsrestore_t) (void *intr_arg, u32 arg);
+typedef bool(*si_intrsenabled_t) (void *intr_arg);
+
+typedef struct gpioh_item {
+ void *arg;
+ bool level;
+ gpio_handler_t handler;
+ u32 event;
+ struct gpioh_item *next;
+} gpioh_item_t;
+
+/* misc si info needed by some of the routines */
+typedef struct si_info {
+ struct si_pub pub; /* back plane public state (must be first) */
+ void *pbus; /* handle to bus (pci/sdio/..) */
+ uint dev_coreid; /* the core provides driver functions */
+ void *intr_arg; /* interrupt callback function arg */
+ si_intrsoff_t intrsoff_fn; /* turns chip interrupts off */
+ si_intrsrestore_t intrsrestore_fn; /* restore chip interrupts */
+ si_intrsenabled_t intrsenabled_fn; /* check if interrupts are enabled */
+
+ void *pch; /* PCI/E core handle */
+
+ gpioh_item_t *gpioh_head; /* GPIO event handlers list */
+
+ bool memseg; /* flag to toggle MEM_SEG register */
+
+ char *vars;
+ uint varsz;
+
+ void *curmap; /* current regs va */
+ void *regs[SI_MAXCORES]; /* other regs va */
+
+ uint curidx; /* current core index */
+ uint numcores; /* # discovered cores */
+ uint coreid[SI_MAXCORES]; /* id of each core */
+ u32 coresba[SI_MAXCORES]; /* backplane address of each core */
+ void *regs2[SI_MAXCORES]; /* 2nd virtual address per core (usbh20) */
+ u32 coresba2[SI_MAXCORES]; /* 2nd phys address per core (usbh20) */
+ u32 coresba_size[SI_MAXCORES]; /* backplane address space size */
+ u32 coresba2_size[SI_MAXCORES]; /* second address space size */
+
+ void *curwrap; /* current wrapper va */
+ void *wrappers[SI_MAXCORES]; /* other cores wrapper va */
+ u32 wrapba[SI_MAXCORES]; /* address of controlling wrapper */
+
+ u32 cia[SI_MAXCORES]; /* erom cia entry for each core */
+ u32 cib[SI_MAXCORES]; /* erom cia entry for each core */
+ u32 oob_router; /* oob router registers for axi */
+} si_info_t;
+
+/* AMBA Interconnect exported externs */
+extern void ai_scan(si_t *sih, void *regs, uint devid);
+
+extern uint ai_flag(si_t *sih);
+extern void ai_setint(si_t *sih, int siflag);
+extern uint ai_coreidx(si_t *sih);
+extern uint ai_corevendor(si_t *sih);
+extern uint ai_corerev(si_t *sih);
+extern bool ai_iscoreup(si_t *sih);
+extern void *ai_setcoreidx(si_t *sih, uint coreidx);
+extern u32 ai_core_cflags(si_t *sih, u32 mask, u32 val);
+extern void ai_core_cflags_wo(si_t *sih, u32 mask, u32 val);
+extern u32 ai_core_sflags(si_t *sih, u32 mask, u32 val);
+extern uint ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask,
+ uint val);
+extern void ai_core_reset(si_t *sih, u32 bits, u32 resetbits);
+extern void ai_core_disable(si_t *sih, u32 bits);
+extern int ai_numaddrspaces(si_t *sih);
+extern u32 ai_addrspace(si_t *sih, uint asidx);
+extern u32 ai_addrspacesize(si_t *sih, uint asidx);
+extern void ai_write_wrap_reg(si_t *sih, u32 offset, u32 val);
+
+/* === exported functions === */
+extern si_t *ai_attach(uint pcidev, void *regs, uint bustype,
+ void *sdh, char **vars, uint *varsz);
+
+extern void ai_detach(si_t *sih);
+extern bool ai_pci_war16165(si_t *sih);
+
+extern uint ai_coreid(si_t *sih);
+extern uint ai_corerev(si_t *sih);
+extern uint ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask,
+ uint val);
+extern void ai_write_wrapperreg(si_t *sih, u32 offset, u32 val);
+extern u32 ai_core_cflags(si_t *sih, u32 mask, u32 val);
+extern u32 ai_core_sflags(si_t *sih, u32 mask, u32 val);
+extern bool ai_iscoreup(si_t *sih);
+extern uint ai_findcoreidx(si_t *sih, uint coreid, uint coreunit);
+extern void *ai_setcoreidx(si_t *sih, uint coreidx);
+extern void *ai_setcore(si_t *sih, uint coreid, uint coreunit);
+extern void *ai_switch_core(si_t *sih, uint coreid, uint *origidx,
+ uint *intr_val);
+extern void ai_restore_core(si_t *sih, uint coreid, uint intr_val);
+extern void ai_core_reset(si_t *sih, u32 bits, u32 resetbits);
+extern void ai_core_disable(si_t *sih, u32 bits);
+extern u32 ai_alp_clock(si_t *sih);
+extern u32 ai_ilp_clock(si_t *sih);
+extern void ai_pci_setup(si_t *sih, uint coremask);
+extern void ai_setint(si_t *sih, int siflag);
+extern bool ai_backplane64(si_t *sih);
+extern void ai_register_intr_callback(si_t *sih, void *intrsoff_fn,
+ void *intrsrestore_fn,
+ void *intrsenabled_fn, void *intr_arg);
+extern void ai_deregister_intr_callback(si_t *sih);
+extern void ai_clkctl_init(si_t *sih);
+extern u16 ai_clkctl_fast_pwrup_delay(si_t *sih);
+extern bool ai_clkctl_cc(si_t *sih, uint mode);
+extern int ai_clkctl_xtal(si_t *sih, uint what, bool on);
+extern bool ai_deviceremoved(si_t *sih);
+extern u32 ai_gpiocontrol(si_t *sih, u32 mask, u32 val,
+ u8 priority);
+
+/* OTP status */
+extern bool ai_is_otp_disabled(si_t *sih);
+extern bool ai_is_otp_powered(si_t *sih);
+extern void ai_otp_power(si_t *sih, bool on);
+
+/* SPROM availability */
+extern bool ai_is_sprom_available(si_t *sih);
+
+/*
+ * Build device path. Path size must be >= SI_DEVPATH_BUFSZ.
+ * The returned path is NULL terminated and has trailing '/'.
+ * Return 0 on success, nonzero otherwise.
+ */
+extern int ai_devpath(si_t *sih, char *path, int size);
+/* Read variable with prepending the devpath to the name */
+extern char *ai_getdevpathvar(si_t *sih, const char *name);
+extern int ai_getdevpathintvar(si_t *sih, const char *name);
+
+extern void ai_pci_sleep(si_t *sih);
+extern void ai_pci_down(si_t *sih);
+extern void ai_pci_up(si_t *sih);
+extern int ai_pci_fixcfg(si_t *sih);
+
+extern void ai_chipcontrl_epa4331(si_t *sih, bool on);
+/* Enable Ex-PA for 4313 */
+extern void ai_epa_4313war(si_t *sih);
+
+char *ai_getnvramflvar(si_t *sih, const char *name);
+
+#endif /* _aiutils_h_ */
+++ /dev/null
-/*
- * Copyright (c) 2011 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifndef _aiutils_h_
-#define _aiutils_h_
-
-/* cpp contortions to concatenate w/arg prescan */
-#ifndef PAD
-#define _PADLINE(line) pad ## line
-#define _XSTR(line) _PADLINE(line)
-#define PAD _XSTR(__LINE__)
-#endif
-
-/* Include the soci specific files */
-#include <aidmp.h>
-
-/*
- * SOC Interconnect Address Map.
- * All regions may not exist on all chips.
- */
-/* Physical SDRAM */
-#define SI_SDRAM_BASE 0x00000000
-/* Host Mode sb2pcitranslation0 (64 MB) */
-#define SI_PCI_MEM 0x08000000
-#define SI_PCI_MEM_SZ (64 * 1024 * 1024)
-/* Host Mode sb2pcitranslation1 (64 MB) */
-#define SI_PCI_CFG 0x0c000000
-/* Byteswapped Physical SDRAM */
-#define SI_SDRAM_SWAPPED 0x10000000
-/* Region 2 for sdram (512 MB) */
-#define SI_SDRAM_R2 0x80000000
-
-#ifdef SI_ENUM_BASE_VARIABLE
-#define SI_ENUM_BASE (sii->pub.si_enum_base)
-#else
-#define SI_ENUM_BASE 0x18000000 /* Enumeration space base */
-#endif /* SI_ENUM_BASE_VARIABLE */
-
-/* Wrapper space base */
-#define SI_WRAP_BASE 0x18100000
-/* each core gets 4Kbytes for registers */
-#define SI_CORE_SIZE 0x1000
-/*
- * Max cores (this is arbitrary, for software
- * convenience and could be changed if we
- * make any larger chips
- */
-#define SI_MAXCORES 16
-
-/* On-chip RAM on chips that also have DDR */
-#define SI_FASTRAM 0x19000000
-#define SI_FASTRAM_SWAPPED 0x19800000
-
-/* Flash Region 2 (region 1 shadowed here) */
-#define SI_FLASH2 0x1c000000
-/* Size of Flash Region 2 */
-#define SI_FLASH2_SZ 0x02000000
-/* ARM Cortex-M3 ROM */
-#define SI_ARMCM3_ROM 0x1e000000
-/* MIPS Flash Region 1 */
-#define SI_FLASH1 0x1fc00000
-/* MIPS Size of Flash Region 1 */
-#define SI_FLASH1_SZ 0x00400000
-/* ARM7TDMI-S ROM */
-#define SI_ARM7S_ROM 0x20000000
-/* ARM Cortex-M3 SRAM Region 2 */
-#define SI_ARMCM3_SRAM2 0x60000000
-/* ARM7TDMI-S SRAM Region 2 */
-#define SI_ARM7S_SRAM2 0x80000000
-/* ARM Flash Region 1 */
-#define SI_ARM_FLASH1 0xffff0000
-/* ARM Size of Flash Region 1 */
-#define SI_ARM_FLASH1_SZ 0x00010000
-
-/* Client Mode sb2pcitranslation2 (1 GB) */
-#define SI_PCI_DMA 0x40000000
-/* Client Mode sb2pcitranslation2 (1 GB) */
-#define SI_PCI_DMA2 0x80000000
-/* Client Mode sb2pcitranslation2 size in bytes */
-#define SI_PCI_DMA_SZ 0x40000000
-/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), low 32 bits */
-#define SI_PCIE_DMA_L32 0x00000000
-/* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */
-#define SI_PCIE_DMA_H32 0x80000000
-
-/* core codes */
-#define NODEV_CORE_ID 0x700 /* Invalid coreid */
-#define CC_CORE_ID 0x800 /* chipcommon core */
-#define ILINE20_CORE_ID 0x801 /* iline20 core */
-#define SRAM_CORE_ID 0x802 /* sram core */
-#define SDRAM_CORE_ID 0x803 /* sdram core */
-#define PCI_CORE_ID 0x804 /* pci core */
-#define MIPS_CORE_ID 0x805 /* mips core */
-#define ENET_CORE_ID 0x806 /* enet mac core */
-#define CODEC_CORE_ID 0x807 /* v90 codec core */
-#define USB_CORE_ID 0x808 /* usb 1.1 host/device core */
-#define ADSL_CORE_ID 0x809 /* ADSL core */
-#define ILINE100_CORE_ID 0x80a /* iline100 core */
-#define IPSEC_CORE_ID 0x80b /* ipsec core */
-#define UTOPIA_CORE_ID 0x80c /* utopia core */
-#define PCMCIA_CORE_ID 0x80d /* pcmcia core */
-#define SOCRAM_CORE_ID 0x80e /* internal memory core */
-#define MEMC_CORE_ID 0x80f /* memc sdram core */
-#define OFDM_CORE_ID 0x810 /* OFDM phy core */
-#define EXTIF_CORE_ID 0x811 /* external interface core */
-#define D11_CORE_ID 0x812 /* 802.11 MAC core */
-#define APHY_CORE_ID 0x813 /* 802.11a phy core */
-#define BPHY_CORE_ID 0x814 /* 802.11b phy core */
-#define GPHY_CORE_ID 0x815 /* 802.11g phy core */
-#define MIPS33_CORE_ID 0x816 /* mips3302 core */
-#define USB11H_CORE_ID 0x817 /* usb 1.1 host core */
-#define USB11D_CORE_ID 0x818 /* usb 1.1 device core */
-#define USB20H_CORE_ID 0x819 /* usb 2.0 host core */
-#define USB20D_CORE_ID 0x81a /* usb 2.0 device core */
-#define SDIOH_CORE_ID 0x81b /* sdio host core */
-#define ROBO_CORE_ID 0x81c /* roboswitch core */
-#define ATA100_CORE_ID 0x81d /* parallel ATA core */
-#define SATAXOR_CORE_ID 0x81e /* serial ATA & XOR DMA core */
-#define GIGETH_CORE_ID 0x81f /* gigabit ethernet core */
-#define PCIE_CORE_ID 0x820 /* pci express core */
-#define NPHY_CORE_ID 0x821 /* 802.11n 2x2 phy core */
-#define SRAMC_CORE_ID 0x822 /* SRAM controller core */
-#define MINIMAC_CORE_ID 0x823 /* MINI MAC/phy core */
-#define ARM11_CORE_ID 0x824 /* ARM 1176 core */
-#define ARM7S_CORE_ID 0x825 /* ARM7tdmi-s core */
-#define LPPHY_CORE_ID 0x826 /* 802.11a/b/g phy core */
-#define PMU_CORE_ID 0x827 /* PMU core */
-#define SSNPHY_CORE_ID 0x828 /* 802.11n single-stream phy core */
-#define SDIOD_CORE_ID 0x829 /* SDIO device core */
-#define ARMCM3_CORE_ID 0x82a /* ARM Cortex M3 core */
-#define HTPHY_CORE_ID 0x82b /* 802.11n 4x4 phy core */
-#define MIPS74K_CORE_ID 0x82c /* mips 74k core */
-#define GMAC_CORE_ID 0x82d /* Gigabit MAC core */
-#define DMEMC_CORE_ID 0x82e /* DDR1/2 memory controller core */
-#define PCIERC_CORE_ID 0x82f /* PCIE Root Complex core */
-#define OCP_CORE_ID 0x830 /* OCP2OCP bridge core */
-#define SC_CORE_ID 0x831 /* shared common core */
-#define AHB_CORE_ID 0x832 /* OCP2AHB bridge core */
-#define SPIH_CORE_ID 0x833 /* SPI host core */
-#define I2S_CORE_ID 0x834 /* I2S core */
-#define DMEMS_CORE_ID 0x835 /* SDR/DDR1 memory controller core */
-#define DEF_SHIM_COMP 0x837 /* SHIM component in ubus/6362 */
-#define OOB_ROUTER_CORE_ID 0x367 /* OOB router core ID */
-#define DEF_AI_COMP 0xfff /* Default component, in ai chips it
- * maps all unused address ranges
- */
-
-/* There are TWO constants on all HND chips: SI_ENUM_BASE above,
- * and chipcommon being the first core:
- */
-#define SI_CC_IDX 0
-
-/* SOC Interconnect types (aka chip types) */
-#define SOCI_AI 1
-
-/* Common core control flags */
-#define SICF_BIST_EN 0x8000
-#define SICF_PME_EN 0x4000
-#define SICF_CORE_BITS 0x3ffc
-#define SICF_FGC 0x0002
-#define SICF_CLOCK_EN 0x0001
-
-/* Common core status flags */
-#define SISF_BIST_DONE 0x8000
-#define SISF_BIST_ERROR 0x4000
-#define SISF_GATED_CLK 0x2000
-#define SISF_DMA64 0x1000
-#define SISF_CORE_BITS 0x0fff
-
-/* A register that is common to all cores to
- * communicate w/PMU regarding clock control.
- */
-#define SI_CLK_CTL_ST 0x1e0 /* clock control and status */
-
-/* clk_ctl_st register */
-#define CCS_FORCEALP 0x00000001 /* force ALP request */
-#define CCS_FORCEHT 0x00000002 /* force HT request */
-#define CCS_FORCEILP 0x00000004 /* force ILP request */
-#define CCS_ALPAREQ 0x00000008 /* ALP Avail Request */
-#define CCS_HTAREQ 0x00000010 /* HT Avail Request */
-#define CCS_FORCEHWREQOFF 0x00000020 /* Force HW Clock Request Off */
-#define CCS_ERSRC_REQ_MASK 0x00000700 /* external resource requests */
-#define CCS_ERSRC_REQ_SHIFT 8
-#define CCS_ALPAVAIL 0x00010000 /* ALP is available */
-#define CCS_HTAVAIL 0x00020000 /* HT is available */
-#define CCS_BP_ON_APL 0x00040000 /* RO: running on ALP clock */
-#define CCS_BP_ON_HT 0x00080000 /* RO: running on HT clock */
-#define CCS_ERSRC_STS_MASK 0x07000000 /* external resource status */
-#define CCS_ERSRC_STS_SHIFT 24
-
-/* HT avail in chipc and pcmcia on 4328a0 */
-#define CCS0_HTAVAIL 0x00010000
-/* ALP avail in chipc and pcmcia on 4328a0 */
-#define CCS0_ALPAVAIL 0x00020000
-
-/* Not really related to SOC Interconnect, but a couple of software
- * conventions for the use the flash space:
- */
-
-/* Minumum amount of flash we support */
-#define FLASH_MIN 0x00020000 /* Minimum flash size */
-
-/* A boot/binary may have an embedded block that describes its size */
-#define BISZ_OFFSET 0x3e0 /* At this offset into the binary */
-#define BISZ_MAGIC 0x4249535a /* Marked with value: 'BISZ' */
-#define BISZ_MAGIC_IDX 0 /* Word 0: magic */
-#define BISZ_TXTST_IDX 1 /* 1: text start */
-#define BISZ_TXTEND_IDX 2 /* 2: text end */
-#define BISZ_DATAST_IDX 3 /* 3: data start */
-#define BISZ_DATAEND_IDX 4 /* 4: data end */
-#define BISZ_BSSST_IDX 5 /* 5: bss start */
-#define BISZ_BSSEND_IDX 6 /* 6: bss end */
-#define BISZ_SIZE 7 /* descriptor size in 32-bit integers */
-
-#define SI_INFO(sih) (si_info_t *)sih
-
-#define GOODCOREADDR(x, b) \
- (((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \
- IS_ALIGNED((x), SI_CORE_SIZE))
-#define GOODREGS(regs) \
- ((regs) != NULL && IS_ALIGNED((unsigned long)(regs), SI_CORE_SIZE))
-#define BADCOREADDR 0
-#define GOODIDX(idx) (((uint)idx) < SI_MAXCORES)
-#define NOREV -1 /* Invalid rev */
-
-/* Newer chips can access PCI/PCIE and CC core without requiring to change
- * PCI BAR0 WIN
- */
-#define SI_FAST(si) (((si)->pub.buscoretype == PCIE_CORE_ID) || \
- (((si)->pub.buscoretype == PCI_CORE_ID) && \
- (si)->pub.buscorerev >= 13))
-
-#define PCIEREGS(si) (((char *)((si)->curmap) + PCI_16KB0_PCIREGS_OFFSET))
-#define CCREGS_FAST(si) (((char *)((si)->curmap) + PCI_16KB0_CCREGS_OFFSET))
-
-/*
- * Macros to disable/restore function core(D11, ENET, ILINE20, etc) interrupts
- * before after core switching to avoid invalid register accesss inside ISR.
- */
-#define INTR_OFF(si, intr_val) \
- if ((si)->intrsoff_fn && \
- (si)->coreid[(si)->curidx] == (si)->dev_coreid) \
- intr_val = (*(si)->intrsoff_fn)((si)->intr_arg)
-#define INTR_RESTORE(si, intr_val) \
- if ((si)->intrsrestore_fn && \
- (si)->coreid[(si)->curidx] == (si)->dev_coreid) \
- (*(si)->intrsrestore_fn)((si)->intr_arg, intr_val)
-
-/* dynamic clock control defines */
-#define LPOMINFREQ 25000 /* low power oscillator min */
-#define LPOMAXFREQ 43000 /* low power oscillator max */
-#define XTALMINFREQ 19800000 /* 20 MHz - 1% */
-#define XTALMAXFREQ 20200000 /* 20 MHz + 1% */
-#define PCIMINFREQ 25000000 /* 25 MHz */
-#define PCIMAXFREQ 34000000 /* 33 MHz + fudge */
-
-#define ILP_DIV_5MHZ 0 /* ILP = 5 MHz */
-#define ILP_DIV_1MHZ 4 /* ILP = 1 MHz */
-
-#define PCI(si) (((si)->pub.bustype == PCI_BUS) && \
- ((si)->pub.buscoretype == PCI_CORE_ID))
-#define PCIE(si) (((si)->pub.bustype == PCI_BUS) && \
- ((si)->pub.buscoretype == PCIE_CORE_ID))
-#define PCI_FORCEHT(si) \
- (PCIE(si) && (si->pub.chip == BCM4716_CHIP_ID))
-
-/* GPIO Based LED powersave defines */
-#define DEFAULT_GPIO_ONTIME 10 /* Default: 10% on */
-#define DEFAULT_GPIO_OFFTIME 90 /* Default: 10% on */
-
-#ifndef DEFAULT_GPIOTIMERVAL
-#define DEFAULT_GPIOTIMERVAL \
- ((DEFAULT_GPIO_ONTIME << GPIO_ONTIME_SHIFT) | DEFAULT_GPIO_OFFTIME)
-#endif
-
-/*
- * Data structure to export all chip specific common variables
- * public (read-only) portion of aiutils handle returned by si_attach()
- */
-struct si_pub {
- uint socitype; /* SOCI_SB, SOCI_AI */
-
- uint bustype; /* SI_BUS, PCI_BUS */
- uint buscoretype; /* PCI_CORE_ID, PCIE_CORE_ID, PCMCIA_CORE_ID */
- uint buscorerev; /* buscore rev */
- uint buscoreidx; /* buscore index */
- int ccrev; /* chip common core rev */
- u32 cccaps; /* chip common capabilities */
- u32 cccaps_ext; /* chip common capabilities extension */
- int pmurev; /* pmu core rev */
- u32 pmucaps; /* pmu capabilities */
- uint boardtype; /* board type */
- uint boardvendor; /* board vendor */
- uint boardflags; /* board flags */
- uint boardflags2; /* board flags2 */
- uint chip; /* chip number */
- uint chiprev; /* chip revision */
- uint chippkg; /* chip package option */
- u32 chipst; /* chip status */
- bool issim; /* chip is in simulation or emulation */
- uint socirev; /* SOC interconnect rev */
- bool pci_pr32414;
-
-};
-
-/*
- * for HIGH_ONLY driver, the si_t must be writable to allow states sync from
- * BMAC to HIGH driver for monolithic driver, it is readonly to prevent accident
- * change
- */
-typedef const struct si_pub si_t;
-
-/*
- * Many of the routines below take an 'sih' handle as their first arg.
- * Allocate this by calling si_attach(). Free it by calling si_detach().
- * At any one time, the sih is logically focused on one particular si core
- * (the "current core").
- * Use si_setcore() or si_setcoreidx() to change the association to another core
- */
-
-#define BADIDX (SI_MAXCORES + 1)
-
-/* clkctl xtal what flags */
-#define XTAL 0x1 /* primary crystal oscillator (2050) */
-#define PLL 0x2 /* main chip pll */
-
-/* clkctl clk mode */
-#define CLK_FAST 0 /* force fast (pll) clock */
-#define CLK_DYNAMIC 2 /* enable dynamic clock control */
-
-/* GPIO usage priorities */
-#define GPIO_DRV_PRIORITY 0 /* Driver */
-#define GPIO_APP_PRIORITY 1 /* Application */
-#define GPIO_HI_PRIORITY 2 /* Highest priority. Ignore GPIO
- * reservation
- */
-
-/* GPIO pull up/down */
-#define GPIO_PULLUP 0
-#define GPIO_PULLDN 1
-
-/* GPIO event regtype */
-#define GPIO_REGEVT 0 /* GPIO register event */
-#define GPIO_REGEVT_INTMSK 1 /* GPIO register event int mask */
-#define GPIO_REGEVT_INTPOL 2 /* GPIO register event int polarity */
-
-/* device path */
-#define SI_DEVPATH_BUFSZ 16 /* min buffer size in bytes */
-
-/* SI routine enumeration: to be used by update function with multiple hooks */
-#define SI_DOATTACH 1
-#define SI_PCIDOWN 2
-#define SI_PCIUP 3
-
-#define ISSIM_ENAB(sih) 0
-
-/* PMU clock/power control */
-#if defined(BCMPMUCTL)
-#define PMUCTL_ENAB(sih) (BCMPMUCTL)
-#else
-#define PMUCTL_ENAB(sih) ((sih)->cccaps & CC_CAP_PMU)
-#endif
-
-/* chipcommon clock/power control (exclusive with PMU's) */
-#if defined(BCMPMUCTL) && BCMPMUCTL
-#define CCCTL_ENAB(sih) (0)
-#define CCPLL_ENAB(sih) (0)
-#else
-#define CCCTL_ENAB(sih) ((sih)->cccaps & CC_CAP_PWR_CTL)
-#define CCPLL_ENAB(sih) ((sih)->cccaps & CC_CAP_PLL_MASK)
-#endif
-
-typedef void (*gpio_handler_t) (u32 stat, void *arg);
-
-/* External PA enable mask */
-#define GPIO_CTRL_EPA_EN_MASK 0x40
-
-#define SI_ERROR(args)
-
-#ifdef BCMDBG
-#define SI_MSG(args) printk args
-#else
-#define SI_MSG(args)
-#endif /* BCMDBG */
-
-/* Define SI_VMSG to printf for verbose debugging, but don't check it in */
-#define SI_VMSG(args)
-
-#define IS_SIM(chippkg) \
- ((chippkg == HDLSIM_PKG_ID) || (chippkg == HWSIM_PKG_ID))
-
-typedef u32(*si_intrsoff_t) (void *intr_arg);
-typedef void (*si_intrsrestore_t) (void *intr_arg, u32 arg);
-typedef bool(*si_intrsenabled_t) (void *intr_arg);
-
-typedef struct gpioh_item {
- void *arg;
- bool level;
- gpio_handler_t handler;
- u32 event;
- struct gpioh_item *next;
-} gpioh_item_t;
-
-/* misc si info needed by some of the routines */
-typedef struct si_info {
- struct si_pub pub; /* back plane public state (must be first) */
- void *pbus; /* handle to bus (pci/sdio/..) */
- uint dev_coreid; /* the core provides driver functions */
- void *intr_arg; /* interrupt callback function arg */
- si_intrsoff_t intrsoff_fn; /* turns chip interrupts off */
- si_intrsrestore_t intrsrestore_fn; /* restore chip interrupts */
- si_intrsenabled_t intrsenabled_fn; /* check if interrupts are enabled */
-
- void *pch; /* PCI/E core handle */
-
- gpioh_item_t *gpioh_head; /* GPIO event handlers list */
-
- bool memseg; /* flag to toggle MEM_SEG register */
-
- char *vars;
- uint varsz;
-
- void *curmap; /* current regs va */
- void *regs[SI_MAXCORES]; /* other regs va */
-
- uint curidx; /* current core index */
- uint numcores; /* # discovered cores */
- uint coreid[SI_MAXCORES]; /* id of each core */
- u32 coresba[SI_MAXCORES]; /* backplane address of each core */
- void *regs2[SI_MAXCORES]; /* 2nd virtual address per core (usbh20) */
- u32 coresba2[SI_MAXCORES]; /* 2nd phys address per core (usbh20) */
- u32 coresba_size[SI_MAXCORES]; /* backplane address space size */
- u32 coresba2_size[SI_MAXCORES]; /* second address space size */
-
- void *curwrap; /* current wrapper va */
- void *wrappers[SI_MAXCORES]; /* other cores wrapper va */
- u32 wrapba[SI_MAXCORES]; /* address of controlling wrapper */
-
- u32 cia[SI_MAXCORES]; /* erom cia entry for each core */
- u32 cib[SI_MAXCORES]; /* erom cia entry for each core */
- u32 oob_router; /* oob router registers for axi */
-} si_info_t;
-
-/* AMBA Interconnect exported externs */
-extern void ai_scan(si_t *sih, void *regs, uint devid);
-
-extern uint ai_flag(si_t *sih);
-extern void ai_setint(si_t *sih, int siflag);
-extern uint ai_coreidx(si_t *sih);
-extern uint ai_corevendor(si_t *sih);
-extern uint ai_corerev(si_t *sih);
-extern bool ai_iscoreup(si_t *sih);
-extern void *ai_setcoreidx(si_t *sih, uint coreidx);
-extern u32 ai_core_cflags(si_t *sih, u32 mask, u32 val);
-extern void ai_core_cflags_wo(si_t *sih, u32 mask, u32 val);
-extern u32 ai_core_sflags(si_t *sih, u32 mask, u32 val);
-extern uint ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask,
- uint val);
-extern void ai_core_reset(si_t *sih, u32 bits, u32 resetbits);
-extern void ai_core_disable(si_t *sih, u32 bits);
-extern int ai_numaddrspaces(si_t *sih);
-extern u32 ai_addrspace(si_t *sih, uint asidx);
-extern u32 ai_addrspacesize(si_t *sih, uint asidx);
-extern void ai_write_wrap_reg(si_t *sih, u32 offset, u32 val);
-
-/* === exported functions === */
-extern si_t *ai_attach(uint pcidev, void *regs, uint bustype,
- void *sdh, char **vars, uint *varsz);
-
-extern void ai_detach(si_t *sih);
-extern bool ai_pci_war16165(si_t *sih);
-
-extern uint ai_coreid(si_t *sih);
-extern uint ai_corerev(si_t *sih);
-extern uint ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask,
- uint val);
-extern void ai_write_wrapperreg(si_t *sih, u32 offset, u32 val);
-extern u32 ai_core_cflags(si_t *sih, u32 mask, u32 val);
-extern u32 ai_core_sflags(si_t *sih, u32 mask, u32 val);
-extern bool ai_iscoreup(si_t *sih);
-extern uint ai_findcoreidx(si_t *sih, uint coreid, uint coreunit);
-extern void *ai_setcoreidx(si_t *sih, uint coreidx);
-extern void *ai_setcore(si_t *sih, uint coreid, uint coreunit);
-extern void *ai_switch_core(si_t *sih, uint coreid, uint *origidx,
- uint *intr_val);
-extern void ai_restore_core(si_t *sih, uint coreid, uint intr_val);
-extern void ai_core_reset(si_t *sih, u32 bits, u32 resetbits);
-extern void ai_core_disable(si_t *sih, u32 bits);
-extern u32 ai_alp_clock(si_t *sih);
-extern u32 ai_ilp_clock(si_t *sih);
-extern void ai_pci_setup(si_t *sih, uint coremask);
-extern void ai_setint(si_t *sih, int siflag);
-extern bool ai_backplane64(si_t *sih);
-extern void ai_register_intr_callback(si_t *sih, void *intrsoff_fn,
- void *intrsrestore_fn,
- void *intrsenabled_fn, void *intr_arg);
-extern void ai_deregister_intr_callback(si_t *sih);
-extern void ai_clkctl_init(si_t *sih);
-extern u16 ai_clkctl_fast_pwrup_delay(si_t *sih);
-extern bool ai_clkctl_cc(si_t *sih, uint mode);
-extern int ai_clkctl_xtal(si_t *sih, uint what, bool on);
-extern bool ai_deviceremoved(si_t *sih);
-extern u32 ai_gpiocontrol(si_t *sih, u32 mask, u32 val,
- u8 priority);
-
-/* OTP status */
-extern bool ai_is_otp_disabled(si_t *sih);
-extern bool ai_is_otp_powered(si_t *sih);
-extern void ai_otp_power(si_t *sih, bool on);
-
-/* SPROM availability */
-extern bool ai_is_sprom_available(si_t *sih);
-
-/*
- * Build device path. Path size must be >= SI_DEVPATH_BUFSZ.
- * The returned path is NULL terminated and has trailing '/'.
- * Return 0 on success, nonzero otherwise.
- */
-extern int ai_devpath(si_t *sih, char *path, int size);
-/* Read variable with prepending the devpath to the name */
-extern char *ai_getdevpathvar(si_t *sih, const char *name);
-extern int ai_getdevpathintvar(si_t *sih, const char *name);
-
-extern void ai_pci_sleep(si_t *sih);
-extern void ai_pci_down(si_t *sih);
-extern void ai_pci_up(si_t *sih);
-extern int ai_pci_fixcfg(si_t *sih);
-
-extern void ai_chipcontrl_epa4331(si_t *sih, bool on);
-/* Enable Ex-PA for 4313 */
-extern void ai_epa_4313war(si_t *sih);
-
-char *ai_getnvramflvar(si_t *sih, const char *name);
-
-#endif /* _aiutils_h_ */
+++ /dev/null
-/*
- * Copyright (c) 2010 Broadcom Corporation
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <bcmdefs.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <bcmutils.h>
-#include <aiutils.h>
-#include <hndsoc.h>
-#include <sbchipc.h>
-#include <pcicfg.h>
-#include <bcmdevs.h>
-
-/* ********** from siutils.c *********** */
-#include <pci_core.h>
-#include <pcie_core.h>
-#include <nicpci.h>
-#include <bcmnvram.h>
-#include <bcmsrom.h>
-#include <wlc_pmu.h>
-
-#define BCM47162_DMP() ((sih->chip == BCM47162_CHIP_ID) && \
- (sih->chiprev == 0) && \
- (sii->coreid[sii->curidx] == MIPS74K_CORE_ID))
-
-/* EROM parsing */
-
-static u32
-get_erom_ent(si_t *sih, u32 **eromptr, u32 mask, u32 match)
-{
- u32 ent;
- uint inv = 0, nom = 0;
-
- while (true) {
- ent = R_REG(*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", __func__, ent));
- if (inv + nom) {
- SI_VMSG((" after %d invalid and %d non-matching entries\n",
- inv, nom));
- }
- return ent;
-}
-
-static u32
-get_asd(si_t *sih, u32 **eromptr, uint sp, uint ad, uint st,
- u32 *addrl, u32 *addrh, u32 *sizel, u32 *sizeh)
-{
- u32 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)) {
- /* This is not what we want, "push" it back */
- (*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)
-{
-}
-
-/* parse the enumeration rom to identify all cores */
-void ai_scan(si_t *sih, void *regs, uint devid)
-{
- si_info_t *sii = SI_INFO(sih);
- chipcregs_t *cc = (chipcregs_t *) regs;
- u32 erombase, *eromptr, *eromlim;
-
- erombase = R_REG(&cc->eromptr);
-
- switch (sih->bustype) {
- case SI_BUS:
- eromptr = (u32 *) REG_MAP(erombase, SI_CORE_SIZE);
- break;
-
- case PCI_BUS:
- /* Set wrappers address */
- sii->curwrap = (void *)((unsigned long)regs + SI_CORE_SIZE);
-
- /* Now point the window at the erom */
- pci_write_config_dword(sii->pbus, PCI_BAR0_WIN, erombase);
- eromptr = regs;
- break;
-
- case SPI_BUS:
- case SDIO_BUS:
- eromptr = (u32 *)(unsigned long)erombase;
- break;
-
- default:
- SI_ERROR(("Don't know how to do AXI enumertion on bus %d\n",
- sih->bustype));
- return;
- }
- eromlim = eromptr + (ER_REMAPCONTROL / sizeof(u32));
-
- SI_VMSG(("ai_scan: regs = 0x%p, erombase = 0x%08x, eromptr = 0x%p, eromlim = 0x%p\n", regs, erombase, eromptr, eromlim));
- while (eromptr < eromlim) {
- u32 cia, cib, cid, mfg, crev, nmw, nsw, nmp, nsp;
- u32 mpd, asd, addrl, addrh, sizel, sizeh;
- u32 *base;
- uint i, j, idx;
- bool br;
-
- br = false;
-
- /* Grok a component */
- 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)) {
- /* A component which is not a core */
- 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->eromptr[idx] = base; */
- 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));
- }
-
- /* First Slave Address Descriptor should be port 0:
- * the main register space for the core
- */
- asd =
- get_asd(sih, &eromptr, 0, 0, AD_ST_SLAVE, &addrl, &addrh,
- &sizel, &sizeh);
- if (asd == 0) {
- /* Try again to see if it is a bridge */
- 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;
- /* Get any more ASDs in port 0 */
- 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);
-
- /* Go through the ASDs for other slave ports */
- 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;
- }
- }
-
- /* Now get master wrappers */
- 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;
- }
-
- /* And finally slave wrappers */
- 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;
- }
-
- /* Don't record bridges */
- if (br)
- continue;
-
- /* Done with core */
- sii->numcores++;
- }
-
- SI_ERROR(("Reached end of erom without finding END"));
-
- error:
- sii->numcores = 0;
- return;
-}
-
-/* This function changes the logical "focus" to the indicated core.
- * Return the current core's virtual address.
- */
-void *ai_setcoreidx(si_t *sih, uint coreidx)
-{
- si_info_t *sii = SI_INFO(sih);
- u32 addr = sii->coresba[coreidx];
- u32 wrap = sii->wrapba[coreidx];
- void *regs;
-
- if (coreidx >= sii->numcores)
- return NULL;
-
- switch (sih->bustype) {
- case SI_BUS:
- /* map new one */
- if (!sii->regs[coreidx]) {
- sii->regs[coreidx] = REG_MAP(addr, SI_CORE_SIZE);
- }
- sii->curmap = regs = sii->regs[coreidx];
- if (!sii->wrappers[coreidx]) {
- sii->wrappers[coreidx] = REG_MAP(wrap, SI_CORE_SIZE);
- }
- sii->curwrap = sii->wrappers[coreidx];
- break;
-
- case PCI_BUS:
- /* point bar0 window */
- pci_write_config_dword(sii->pbus, PCI_BAR0_WIN, addr);
- regs = sii->curmap;
- /* point bar0 2nd 4KB window */
- pci_write_config_dword(sii->pbus, PCI_BAR0_WIN2, wrap);
- break;
-
- case SPI_BUS:
- case SDIO_BUS:
- sii->curmap = regs = (void *)(unsigned long)addr;
- sii->curwrap = (void *)(unsigned long)wrap;
- break;
-
- default:
- regs = NULL;
- break;
- }
-
- sii->curmap = regs;
- sii->curidx = coreidx;
-
- return regs;
-}
-
-/* Return the number of address spaces in current core */
-int ai_numaddrspaces(si_t *sih)
-{
- return 2;
-}
-
-/* Return the address of the nth address space in the current core */
-u32 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", __func__, asidx));
- return 0;
- }
-}
-
-/* Return the size of the nth address space in the current core */
-u32 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", __func__, asidx));
- return 0;
- }
-}
-
-uint ai_flag(si_t *sih)
-{
- si_info_t *sii;
- aidmp_t *ai;
-
- sii = SI_INFO(sih);
- if (BCM47162_DMP()) {
- SI_ERROR(("%s: Attempting to read MIPS DMP registers on 47162a0", __func__));
- return sii->curidx;
- }
- ai = sii->curwrap;
-
- return R_REG(&ai->oobselouta30) & 0x1f;
-}
-
-void ai_setint(si_t *sih, int siflag)
-{
-}
-
-uint ai_corevendor(si_t *sih)
-{
- si_info_t *sii;
- u32 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;
- u32 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(&ai->ioctrl) & (SICF_FGC | SICF_CLOCK_EN)) ==
- SICF_CLOCK_EN)
- && ((R_REG(&ai->resetctrl) & AIRC_RESET) == 0));
-}
-
-void ai_core_cflags_wo(si_t *sih, u32 mask, u32 val)
-{
- si_info_t *sii;
- aidmp_t *ai;
- u32 w;
-
- sii = SI_INFO(sih);
-
- if (BCM47162_DMP()) {
- SI_ERROR(("%s: Accessing MIPS DMP register (ioctrl) on 47162a0",
- __func__));
- return;
- }
-
- ai = sii->curwrap;
-
- if (mask || val) {
- w = ((R_REG(&ai->ioctrl) & ~mask) | val);
- W_REG(&ai->ioctrl, w);
- }
-}
-
-u32 ai_core_cflags(si_t *sih, u32 mask, u32 val)
-{
- si_info_t *sii;
- aidmp_t *ai;
- u32 w;
-
- sii = SI_INFO(sih);
- if (BCM47162_DMP()) {
- SI_ERROR(("%s: Accessing MIPS DMP register (ioctrl) on 47162a0",
- __func__));
- return 0;
- }
-
- ai = sii->curwrap;
-
- if (mask || val) {
- w = ((R_REG(&ai->ioctrl) & ~mask) | val);
- W_REG(&ai->ioctrl, w);
- }
-
- return R_REG(&ai->ioctrl);
-}
-
-u32 ai_core_sflags(si_t *sih, u32 mask, u32 val)
-{
- si_info_t *sii;
- aidmp_t *ai;
- u32 w;
-
- sii = SI_INFO(sih);
- if (BCM47162_DMP()) {
- SI_ERROR(("%s: Accessing MIPS DMP register (iostatus) on 47162a0", __func__));
- return 0;
- }
-
- ai = sii->curwrap;
-
- if (mask || val) {
- w = ((R_REG(&ai->iostatus) & ~mask) | val);
- W_REG(&ai->iostatus, w);
- }
-
- return R_REG(&ai->iostatus);
-}
-
-/* *************** from siutils.c ************** */
-/* local prototypes */
-static si_info_t *ai_doattach(si_info_t *sii, uint devid, void *regs,
- uint bustype, void *sdh, char **vars,
- uint *varsz);
-static bool ai_buscore_prep(si_info_t *sii, uint bustype, uint devid,
- void *sdh);
-static bool ai_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
- u32 savewin, uint *origidx, void *regs);
-static void ai_nvram_process(si_info_t *sii, char *pvars);
-
-/* dev path concatenation util */
-static char *ai_devpathvar(si_t *sih, char *var, int len, const char *name);
-static bool _ai_clkctl_cc(si_info_t *sii, uint mode);
-static bool ai_ispcie(si_info_t *sii);
-
-/* global variable to indicate reservation/release of gpio's */
-static u32 ai_gpioreservation;
-
-/*
- * Allocate a si handle.
- * devid - pci device id (used to determine chip#)
- * osh - opaque OS handle
- * regs - virtual address of initial core registers
- * bustype - pci/sb/sdio/etc
- * vars - pointer to a pointer area for "environment" variables
- * varsz - pointer to int to return the size of the vars
- */
-si_t *ai_attach(uint devid, void *regs, uint bustype,
- void *sdh, char **vars, uint *varsz)
-{
- si_info_t *sii;
-
- /* alloc si_info_t */
- sii = kmalloc(sizeof(si_info_t), GFP_ATOMIC);
- if (sii == NULL) {
- SI_ERROR(("si_attach: malloc failed!\n"));
- return NULL;
- }
-
- if (ai_doattach(sii, devid, regs, bustype, sdh, vars, varsz) ==
- NULL) {
- kfree(sii);
- return NULL;
- }
- sii->vars = vars ? *vars : NULL;
- sii->varsz = varsz ? *varsz : 0;
-
- return (si_t *) sii;
-}
-
-/* global kernel resource */
-static si_info_t ksii;
-
-static bool ai_buscore_prep(si_info_t *sii, uint bustype, uint devid,
- void *sdh)
-{
- /* kludge to enable the clock on the 4306 which lacks a slowclock */
- if (bustype == PCI_BUS && !ai_ispcie(sii))
- ai_clkctl_xtal(&sii->pub, XTAL | PLL, ON);
- return true;
-}
-
-static bool ai_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype,
- u32 savewin, uint *origidx, void *regs)
-{
- bool pci, pcie;
- uint i;
- uint pciidx, pcieidx, pcirev, pcierev;
-
- cc = ai_setcoreidx(&sii->pub, SI_CC_IDX);
- ASSERT(cc);
-
- /* get chipcommon rev */
- sii->pub.ccrev = (int)ai_corerev(&sii->pub);
-
- /* get chipcommon chipstatus */
- if (sii->pub.ccrev >= 11)
- sii->pub.chipst = R_REG(&cc->chipstatus);
-
- /* get chipcommon capabilites */
- sii->pub.cccaps = R_REG(&cc->capabilities);
- /* get chipcommon extended capabilities */
-
- if (sii->pub.ccrev >= 35)
- sii->pub.cccaps_ext = R_REG(&cc->capabilities_ext);
-
- /* get pmu rev and caps */
- if (sii->pub.cccaps & CC_CAP_PMU) {
- sii->pub.pmucaps = R_REG(&cc->pmucapabilities);
- sii->pub.pmurev = sii->pub.pmucaps & PCAP_REV_MASK;
- }
-
- /* figure out bus/orignal core idx */
- sii->pub.buscoretype = NODEV_CORE_ID;
- sii->pub.buscorerev = NOREV;
- sii->pub.buscoreidx = BADIDX;
-
- pci = pcie = false;
- pcirev = pcierev = NOREV;
- pciidx = pcieidx = BADIDX;
-
- for (i = 0; i < sii->numcores; i++) {
- uint cid, crev;
-
- ai_setcoreidx(&sii->pub, i);
- cid = ai_coreid(&sii->pub);
- crev = ai_corerev(&sii->pub);
-
- /* Display cores found */
- SI_VMSG(("CORE[%d]: id 0x%x rev %d base 0x%x regs 0x%p\n",
- i, cid, crev, sii->coresba[i], sii->regs[i]));
-
- if (bustype == PCI_BUS) {
- if (cid == PCI_CORE_ID) {
- pciidx = i;
- pcirev = crev;
- pci = true;
- } else if (cid == PCIE_CORE_ID) {
- pcieidx = i;
- pcierev = crev;
- pcie = true;
- }
- }
-
- /* find the core idx before entering this func. */
- if ((savewin && (savewin == sii->coresba[i])) ||
- (regs == sii->regs[i]))
- *origidx = i;
- }
-
- if (pci && pcie) {
- if (ai_ispcie(sii))
- pci = false;
- else
- pcie = false;
- }
- if (pci) {
- sii->pub.buscoretype = PCI_CORE_ID;
- sii->pub.buscorerev = pcirev;
- sii->pub.buscoreidx = pciidx;
- } else if (pcie) {
- sii->pub.buscoretype = PCIE_CORE_ID;
- sii->pub.buscorerev = pcierev;
- sii->pub.buscoreidx = pcieidx;
- }
-
- SI_VMSG(("Buscore id/type/rev %d/0x%x/%d\n", sii->pub.buscoreidx,
- sii->pub.buscoretype, sii->pub.buscorerev));
-
- /* fixup necessary chip/core configurations */
- if (sii->pub.bustype == PCI_BUS) {
- if (SI_FAST(sii)) {
- if (!sii->pch) {
- sii->pch = (void *)pcicore_init(
- &sii->pub, sii->pbus,
- (void *)PCIEREGS(sii));
- if (sii->pch == NULL)
- return false;
- }
- }
- if (ai_pci_fixcfg(&sii->pub)) {
- SI_ERROR(("si_doattach: si_pci_fixcfg failed\n"));
- return false;
- }
- }
-
- /* return to the original core */
- ai_setcoreidx(&sii->pub, *origidx);
-
- return true;
-}
-
-static __used void ai_nvram_process(si_info_t *sii, char *pvars)
-{
- uint w = 0;
-
- /* get boardtype and boardrev */
- switch (sii->pub.bustype) {
- case PCI_BUS:
- /* do a pci config read to get subsystem id and subvendor id */
- pci_read_config_dword(sii->pbus, PCI_SUBSYSTEM_VENDOR_ID, &w);
- /* Let nvram variables override subsystem Vend/ID */
- sii->pub.boardvendor = (u16)ai_getdevpathintvar(&sii->pub,
- "boardvendor");
- if (sii->pub.boardvendor == 0)
- sii->pub.boardvendor = w & 0xffff;
- else
- SI_ERROR(("Overriding boardvendor: 0x%x instead of "
- "0x%x\n", sii->pub.boardvendor, w & 0xffff));
- sii->pub.boardtype = (u16)ai_getdevpathintvar(&sii->pub,
- "boardtype");
- if (sii->pub.boardtype == 0)
- sii->pub.boardtype = (w >> 16) & 0xffff;
- else
- SI_ERROR(("Overriding boardtype: 0x%x instead of 0x%x\n"
- , sii->pub.boardtype, (w >> 16) & 0xffff));
- break;
-
- sii->pub.boardvendor = getintvar(pvars, "manfid");
- sii->pub.boardtype = getintvar(pvars, "prodid");
- break;
-
- case SI_BUS:
- case JTAG_BUS:
- sii->pub.boardvendor = PCI_VENDOR_ID_BROADCOM;
- sii->pub.boardtype = getintvar(pvars, "prodid");
- if (pvars == NULL || (sii->pub.boardtype == 0)) {
- sii->pub.boardtype = getintvar(NULL, "boardtype");
- if (sii->pub.boardtype == 0)
- sii->pub.boardtype = 0xffff;
- }
- break;
- }
-
- if (sii->pub.boardtype == 0) {
- SI_ERROR(("si_doattach: unknown board type\n"));
- ASSERT(sii->pub.boardtype);
- }
-
- sii->pub.boardflags = getintvar(pvars, "boardflags");
-}
-
-static si_info_t *ai_doattach(si_info_t *sii, uint devid,
- void *regs, uint bustype, void *pbus,
- char **vars, uint *varsz)
-{
- struct si_pub *sih = &sii->pub;
- u32 w, savewin;
- chipcregs_t *cc;
- char *pvars = NULL;
- uint origidx;
-
- ASSERT(GOODREGS(regs));
-
- memset((unsigned char *) sii, 0, sizeof(si_info_t));
-
- savewin = 0;
-
- sih->buscoreidx = BADIDX;
-
- sii->curmap = regs;
- sii->pbus = pbus;
-
- /* check to see if we are a si core mimic'ing a pci core */
- if (bustype == PCI_BUS) {
- pci_read_config_dword(sii->pbus, PCI_SPROM_CONTROL, &w);
- if (w == 0xffffffff) {
- SI_ERROR(("%s: incoming bus is PCI but it's a lie, "
- " switching to SI devid:0x%x\n",
- __func__, devid));
- bustype = SI_BUS;
- }
- }
-
- /* find Chipcommon address */
- if (bustype == PCI_BUS) {
- pci_read_config_dword(sii->pbus, PCI_BAR0_WIN, &savewin);
- if (!GOODCOREADDR(savewin, SI_ENUM_BASE))
- savewin = SI_ENUM_BASE;
- pci_write_config_dword(sii->pbus, PCI_BAR0_WIN,
- SI_ENUM_BASE);
- cc = (chipcregs_t *) regs;
- } else {
- cc = (chipcregs_t *) REG_MAP(SI_ENUM_BASE, SI_CORE_SIZE);
- }
-
- sih->bustype = bustype;
-
- /* bus/core/clk setup for register access */
- if (!ai_buscore_prep(sii, bustype, devid, pbus)) {
- SI_ERROR(("si_doattach: si_core_clk_prep failed %d\n",
- bustype));
- return NULL;
- }
-
- /*
- * ChipID recognition.
- * We assume we can read chipid at offset 0 from the regs arg.
- * If we add other chiptypes (or if we need to support old sdio
- * hosts w/o chipcommon), some way of recognizing them needs to
- * be added here.
- */
- w = R_REG(&cc->chipid);
- sih->socitype = (w & CID_TYPE_MASK) >> CID_TYPE_SHIFT;
- /* Might as wll fill in chip id rev & pkg */
- sih->chip = w & CID_ID_MASK;
- sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT;
- sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT;
-
- sih->issim = IS_SIM(sih->chippkg);
-
- /* scan for cores */
- if (sii->pub.socitype == SOCI_AI) {
- SI_MSG(("Found chip type AI (0x%08x)\n", w));
- /* pass chipc address instead of original core base */
- ai_scan(&sii->pub, (void *)cc, devid);
- } else {
- SI_ERROR(("Found chip of unknown type (0x%08x)\n", w));
- return NULL;
- }
- /* no cores found, bail out */
- if (sii->numcores == 0) {
- SI_ERROR(("si_doattach: could not find any cores\n"));
- return NULL;
- }
- /* bus/core/clk setup */
- origidx = SI_CC_IDX;
- if (!ai_buscore_setup(sii, cc, bustype, savewin, &origidx, regs)) {
- SI_ERROR(("si_doattach: si_buscore_setup failed\n"));
- goto exit;
- }
-
- /* assume current core is CC */
- if ((sii->pub.ccrev == 0x25)
- &&
- ((sih->chip == BCM43236_CHIP_ID
- || sih->chip == BCM43235_CHIP_ID
- || sih->chip == BCM43238_CHIP_ID)
- && (sii->pub.chiprev <= 2))) {
-
- if ((cc->chipstatus & CST43236_BP_CLK) != 0) {
- uint clkdiv;
- clkdiv = R_REG(&cc->clkdiv);
- /* otp_clk_div is even number, 120/14 < 9mhz */
- clkdiv = (clkdiv & ~CLKD_OTP) | (14 << CLKD_OTP_SHIFT);
- W_REG(&cc->clkdiv, clkdiv);
- SI_ERROR(("%s: set clkdiv to %x\n", __func__, clkdiv));
- }
- udelay(10);
- }
-
- /* Init nvram from flash if it exists */
- nvram_init((void *)&(sii->pub));
-
- /* Init nvram from sprom/otp if they exist */
- if (srom_var_init
- (&sii->pub, bustype, regs, vars, varsz)) {
- SI_ERROR(("si_doattach: srom_var_init failed: bad srom\n"));
- goto exit;
- }
- pvars = vars ? *vars : NULL;
- ai_nvram_process(sii, pvars);
-
- /* === NVRAM, clock is ready === */
- cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
- W_REG(&cc->gpiopullup, 0);
- W_REG(&cc->gpiopulldown, 0);
- ai_setcoreidx(sih, origidx);
-
- /* PMU specific initializations */
- if (PMUCTL_ENAB(sih)) {
- u32 xtalfreq;
- si_pmu_init(sih);
- si_pmu_chip_init(sih);
- xtalfreq = getintvar(pvars, "xtalfreq");
- /* If xtalfreq var not available, try to measure it */
- if (xtalfreq == 0)
- xtalfreq = si_pmu_measure_alpclk(sih);
- si_pmu_pll_init(sih, xtalfreq);
- si_pmu_res_init(sih);
- si_pmu_swreg_init(sih);
- }
-
- /* setup the GPIO based LED powersave register */
- w = getintvar(pvars, "leddc");
- if (w == 0)
- w = DEFAULT_GPIOTIMERVAL;
- ai_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, gpiotimerval), ~0, w);
-
- if (PCIE(sii)) {
- ASSERT(sii->pch != NULL);
- pcicore_attach(sii->pch, pvars, SI_DOATTACH);
- }
-
- if ((sih->chip == BCM43224_CHIP_ID) ||
- (sih->chip == BCM43421_CHIP_ID)) {
- /*
- * enable 12 mA drive strenth for 43224 and
- * set chipControl register bit 15
- */
- if (sih->chiprev == 0) {
- SI_MSG(("Applying 43224A0 WARs\n"));
- ai_corereg(sih, SI_CC_IDX,
- offsetof(chipcregs_t, chipcontrol),
- CCTRL43224_GPIO_TOGGLE,
- CCTRL43224_GPIO_TOGGLE);
- si_pmu_chipcontrol(sih, 0, CCTRL_43224A0_12MA_LED_DRIVE,
- CCTRL_43224A0_12MA_LED_DRIVE);
- }
- if (sih->chiprev >= 1) {
- SI_MSG(("Applying 43224B0+ WARs\n"));
- si_pmu_chipcontrol(sih, 0, CCTRL_43224B0_12MA_LED_DRIVE,
- CCTRL_43224B0_12MA_LED_DRIVE);
- }
- }
-
- if (sih->chip == BCM4313_CHIP_ID) {
- /*
- * enable 12 mA drive strenth for 4313 and
- * set chipControl register bit 1
- */
- SI_MSG(("Applying 4313 WARs\n"));
- si_pmu_chipcontrol(sih, 0, CCTRL_4313_12MA_LED_DRIVE,
- CCTRL_4313_12MA_LED_DRIVE);
- }
-
- if (sih->chip == BCM4331_CHIP_ID) {
- /* Enable Ext PA lines depending on chip package option */
- ai_chipcontrl_epa4331(sih, true);
- }
-
- return sii;
- exit:
- if (sih->bustype == PCI_BUS) {
- if (sii->pch)
- pcicore_deinit(sii->pch);
- sii->pch = NULL;
- }
-
- return NULL;
-}
-
-/* may be called with core in reset */
-void ai_detach(si_t *sih)
-{
- si_info_t *sii;
- uint idx;
-
- struct si_pub *si_local = NULL;
- bcopy(&sih, &si_local, sizeof(si_t **));
-
- sii = SI_INFO(sih);
-
- if (sii == NULL)
- return;
-
- if (sih->bustype == SI_BUS)
- for (idx = 0; idx < SI_MAXCORES; idx++)
- if (sii->regs[idx]) {
- iounmap(sii->regs[idx]);
- sii->regs[idx] = NULL;
- }
-
- nvram_exit((void *)si_local); /* free up nvram buffers */
-
- if (sih->bustype == PCI_BUS) {
- if (sii->pch)
- pcicore_deinit(sii->pch);
- sii->pch = NULL;
- }
-
- if (sii != &ksii)
- kfree(sii);
-}
-
-/* register driver interrupt disabling and restoring callback functions */
-void
-ai_register_intr_callback(si_t *sih, void *intrsoff_fn, void *intrsrestore_fn,
- void *intrsenabled_fn, void *intr_arg)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
- sii->intr_arg = intr_arg;
- sii->intrsoff_fn = (si_intrsoff_t) intrsoff_fn;
- sii->intrsrestore_fn = (si_intrsrestore_t) intrsrestore_fn;
- sii->intrsenabled_fn = (si_intrsenabled_t) intrsenabled_fn;
- /* save current core id. when this function called, the current core
- * must be the core which provides driver functions(il, et, wl, etc.)
- */
- sii->dev_coreid = sii->coreid[sii->curidx];
-}
-
-void ai_deregister_intr_callback(si_t *sih)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
- sii->intrsoff_fn = NULL;
-}
-
-uint ai_coreid(si_t *sih)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
- return sii->coreid[sii->curidx];
-}
-
-uint ai_coreidx(si_t *sih)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
- return sii->curidx;
-}
-
-bool ai_backplane64(si_t *sih)
-{
- return (sih->cccaps & CC_CAP_BKPLN64) != 0;
-}
-
-/* return index of coreid or BADIDX if not found */
-uint ai_findcoreidx(si_t *sih, uint coreid, uint coreunit)
-{
- si_info_t *sii;
- uint found;
- uint i;
-
- sii = SI_INFO(sih);
-
- found = 0;
-
- for (i = 0; i < sii->numcores; i++)
- if (sii->coreid[i] == coreid) {
- if (found == coreunit)
- return i;
- found++;
- }
-
- return BADIDX;
-}
-
-/*
- * This function changes logical "focus" to the indicated core;
- * must be called with interrupts off.
- * Moreover, callers should keep interrupts off during switching
- * out of and back to d11 core.
- */
-void *ai_setcore(si_t *sih, uint coreid, uint coreunit)
-{
- uint idx;
-
- idx = ai_findcoreidx(sih, coreid, coreunit);
- if (!GOODIDX(idx))
- return NULL;
-
- if (sih->socitype == SOCI_AI)
- return ai_setcoreidx(sih, idx);
- else {
- ASSERT(0);
- return NULL;
- }
-}
-
-/* Turn off interrupt as required by ai_setcore, before switch core */
-void *ai_switch_core(si_t *sih, uint coreid, uint *origidx, uint *intr_val)
-{
- void *cc;
- si_info_t *sii;
-
- sii = SI_INFO(sih);
-
- if (SI_FAST(sii)) {
- /* Overloading the origidx variable to remember the coreid,
- * this works because the core ids cannot be confused with
- * core indices.
- */
- *origidx = coreid;
- if (coreid == CC_CORE_ID)
- return (void *)CCREGS_FAST(sii);
- else if (coreid == sih->buscoretype)
- return (void *)PCIEREGS(sii);
- }
- INTR_OFF(sii, *intr_val);
- *origidx = sii->curidx;
- cc = ai_setcore(sih, coreid, 0);
- ASSERT(cc != NULL);
-
- return cc;
-}
-
-/* restore coreidx and restore interrupt */
-void ai_restore_core(si_t *sih, uint coreid, uint intr_val)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
- if (SI_FAST(sii)
- && ((coreid == CC_CORE_ID) || (coreid == sih->buscoretype)))
- return;
-
- ai_setcoreidx(sih, coreid);
- INTR_RESTORE(sii, intr_val);
-}
-
-void ai_write_wrapperreg(si_t *sih, u32 offset, u32 val)
-{
- si_info_t *sii = SI_INFO(sih);
- u32 *w = (u32 *) sii->curwrap;
- W_REG(w + (offset / 4), val);
- return;
-}
-
-/*
- * Switch to 'coreidx', issue a single arbitrary 32bit register mask&set
- * operation, switch back to the original core, and return the new value.
- *
- * When using the silicon backplane, no fiddling with interrupts or core
- * switches is needed.
- *
- * Also, when using pci/pcie, we can optimize away the core switching for pci
- * registers and (on newer pci cores) chipcommon registers.
- */
-uint ai_corereg(si_t *sih, uint coreidx, uint regoff, uint mask, uint val)
-{
- uint origidx = 0;
- u32 *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 (sih->bustype == SI_BUS) {
- /* If internal bus, we can always get at everything */
- fast = true;
- /* map if does not exist */
- if (!sii->regs[coreidx]) {
- sii->regs[coreidx] = REG_MAP(sii->coresba[coreidx],
- SI_CORE_SIZE);
- ASSERT(GOODREGS(sii->regs[coreidx]));
- }
- r = (u32 *) ((unsigned char *) sii->regs[coreidx] + regoff);
- } else if (sih->bustype == PCI_BUS) {
- /*
- * If pci/pcie, we can get at pci/pcie regs
- * and on newer cores to chipc
- */
- if ((sii->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sii)) {
- /* Chipc registers are mapped at 12KB */
-
- fast = true;
- r = (u32 *) ((char *)sii->curmap +
- PCI_16KB0_CCREGS_OFFSET + regoff);
- } else if (sii->pub.buscoreidx == coreidx) {
- /*
- * pci registers are at either in the last 2KB of
- * an 8KB window or, in pcie and pci rev 13 at 8KB
- */
- fast = true;
- if (SI_FAST(sii))
- r = (u32 *) ((char *)sii->curmap +
- PCI_16KB0_PCIREGS_OFFSET +
- regoff);
- else
- r = (u32 *) ((char *)sii->curmap +
- ((regoff >= SBCONFIGOFF) ?
- PCI_BAR0_PCISBR_OFFSET :
- PCI_BAR0_PCIREGS_OFFSET) +
- regoff);
- }
- }
-
- if (!fast) {
- INTR_OFF(sii, intr_val);
-
- /* save current core index */
- origidx = ai_coreidx(&sii->pub);
-
- /* switch core */
- r = (u32 *) ((unsigned char *) ai_setcoreidx(&sii->pub, coreidx)
- + regoff);
- }
- ASSERT(r != NULL);
-
- /* mask and set */
- if (mask || val) {
- w = (R_REG(r) & ~mask) | val;
- W_REG(r, w);
- }
-
- /* readback */
- w = R_REG(r);
-
- if (!fast) {
- /* restore core index */
- if (origidx != coreidx)
- ai_setcoreidx(&sii->pub, origidx);
-
- INTR_RESTORE(sii, intr_val);
- }
-
- return w;
-}
-
-void ai_core_disable(si_t *sih, u32 bits)
-{
- si_info_t *sii;
- u32 dummy;
- aidmp_t *ai;
-
- sii = SI_INFO(sih);
-
- ASSERT(GOODREGS(sii->curwrap));
- ai = sii->curwrap;
-
- /* if core is already in reset, just return */
- if (R_REG(&ai->resetctrl) & AIRC_RESET)
- return;
-
- W_REG(&ai->ioctrl, bits);
- dummy = R_REG(&ai->ioctrl);
- udelay(10);
-
- W_REG(&ai->resetctrl, AIRC_RESET);
- udelay(1);
-}
-
-/* reset and re-enable a core
- * inputs:
- * bits - core specific bits that are set during and after reset sequence
- * resetbits - core specific bits that are set only during reset sequence
- */
-void ai_core_reset(si_t *sih, u32 bits, u32 resetbits)
-{
- si_info_t *sii;
- aidmp_t *ai;
- u32 dummy;
-
- sii = SI_INFO(sih);
- ASSERT(GOODREGS(sii->curwrap));
- ai = sii->curwrap;
-
- /*
- * Must do the disable sequence first to work
- * for arbitrary current core state.
- */
- ai_core_disable(sih, (bits | resetbits));
-
- /*
- * Now do the initialization sequence.
- */
- W_REG(&ai->ioctrl, (bits | SICF_FGC | SICF_CLOCK_EN));
- dummy = R_REG(&ai->ioctrl);
- W_REG(&ai->resetctrl, 0);
- udelay(1);
-
- W_REG(&ai->ioctrl, (bits | SICF_CLOCK_EN));
- dummy = R_REG(&ai->ioctrl);
- udelay(1);
-}
-
-/* return the slow clock source - LPO, XTAL, or PCI */
-static uint ai_slowclk_src(si_info_t *sii)
-{
- chipcregs_t *cc;
- u32 val;
-
- ASSERT(SI_FAST(sii) || ai_coreid(&sii->pub) == CC_CORE_ID);
-
- if (sii->pub.ccrev < 6) {
- if (sii->pub.bustype == PCI_BUS) {
- pci_read_config_dword(sii->pbus, PCI_GPIO_OUT,
- &val);
- if (val & PCI_CFG_GPIO_SCS)
- return SCC_SS_PCI;
- }
- return SCC_SS_XTAL;
- } else if (sii->pub.ccrev < 10) {
- cc = (chipcregs_t *) ai_setcoreidx(&sii->pub, sii->curidx);
- return R_REG(&cc->slow_clk_ctl) & SCC_SS_MASK;
- } else /* Insta-clock */
- return SCC_SS_XTAL;
-}
-
-/* return the ILP (slowclock) min or max frequency */
-static uint ai_slowclk_freq(si_info_t *sii, bool max_freq, chipcregs_t *cc)
-{
- u32 slowclk;
- uint div;
-
- ASSERT(SI_FAST(sii) || ai_coreid(&sii->pub) == CC_CORE_ID);
-
- /*
- * shouldn't be here unless we've established
- * the chip has dynamic clk control
- */
- ASSERT(R_REG(&cc->capabilities) & CC_CAP_PWR_CTL);
-
- slowclk = ai_slowclk_src(sii);
- if (sii->pub.ccrev < 6) {
- if (slowclk == SCC_SS_PCI)
- return max_freq ? (PCIMAXFREQ / 64)
- : (PCIMINFREQ / 64);
- else
- return max_freq ? (XTALMAXFREQ / 32)
- : (XTALMINFREQ / 32);
- } else if (sii->pub.ccrev < 10) {
- div = 4 *
- (((R_REG(&cc->slow_clk_ctl) & SCC_CD_MASK) >>
- SCC_CD_SHIFT) + 1);
- if (slowclk == SCC_SS_LPO)
- return max_freq ? LPOMAXFREQ : LPOMINFREQ;
- else if (slowclk == SCC_SS_XTAL)
- return max_freq ? (XTALMAXFREQ / div)
- : (XTALMINFREQ / div);
- else if (slowclk == SCC_SS_PCI)
- return max_freq ? (PCIMAXFREQ / div)
- : (PCIMINFREQ / div);
- else
- ASSERT(0);
- } else {
- /* Chipc rev 10 is InstaClock */
- div = R_REG(&cc->system_clk_ctl) >> SYCC_CD_SHIFT;
- div = 4 * (div + 1);
- return max_freq ? XTALMAXFREQ : (XTALMINFREQ / div);
- }
- return 0;
-}
-
-static void ai_clkctl_setdelay(si_info_t *sii, void *chipcregs)
-{
- chipcregs_t *cc = (chipcregs_t *) chipcregs;
- uint slowmaxfreq, pll_delay, slowclk;
- uint pll_on_delay, fref_sel_delay;
-
- pll_delay = PLL_DELAY;
-
- /*
- * If the slow clock is not sourced by the xtal then
- * add the xtal_on_delay since the xtal will also be
- * powered down by dynamic clk control logic.
- */
-
- slowclk = ai_slowclk_src(sii);
- if (slowclk != SCC_SS_XTAL)
- pll_delay += XTAL_ON_DELAY;
-
- /* Starting with 4318 it is ILP that is used for the delays */
- slowmaxfreq =
- ai_slowclk_freq(sii, (sii->pub.ccrev >= 10) ? false : true, cc);
-
- pll_on_delay = ((slowmaxfreq * pll_delay) + 999999) / 1000000;
- fref_sel_delay = ((slowmaxfreq * FREF_DELAY) + 999999) / 1000000;
-
- W_REG(&cc->pll_on_delay, pll_on_delay);
- W_REG(&cc->fref_sel_delay, fref_sel_delay);
-}
-
-/* initialize power control delay registers */
-void ai_clkctl_init(si_t *sih)
-{
- si_info_t *sii;
- uint origidx = 0;
- chipcregs_t *cc;
- bool fast;
-
- if (!CCCTL_ENAB(sih))
- return;
-
- sii = SI_INFO(sih);
- fast = SI_FAST(sii);
- if (!fast) {
- origidx = sii->curidx;
- cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
- if (cc == NULL)
- return;
- } else {
- cc = (chipcregs_t *) CCREGS_FAST(sii);
- if (cc == NULL)
- return;
- }
- ASSERT(cc != NULL);
-
- /* set all Instaclk chip ILP to 1 MHz */
- if (sih->ccrev >= 10)
- SET_REG(&cc->system_clk_ctl, SYCC_CD_MASK,
- (ILP_DIV_1MHZ << SYCC_CD_SHIFT));
-
- ai_clkctl_setdelay(sii, (void *)cc);
-
- if (!fast)
- ai_setcoreidx(sih, origidx);
-}
-
-/*
- * return the value suitable for writing to the
- * dot11 core FAST_PWRUP_DELAY register
- */
-u16 ai_clkctl_fast_pwrup_delay(si_t *sih)
-{
- si_info_t *sii;
- uint origidx = 0;
- chipcregs_t *cc;
- uint slowminfreq;
- u16 fpdelay;
- uint intr_val = 0;
- bool fast;
-
- sii = SI_INFO(sih);
- if (PMUCTL_ENAB(sih)) {
- INTR_OFF(sii, intr_val);
- fpdelay = si_pmu_fast_pwrup_delay(sih);
- INTR_RESTORE(sii, intr_val);
- return fpdelay;
- }
-
- if (!CCCTL_ENAB(sih))
- return 0;
-
- fast = SI_FAST(sii);
- fpdelay = 0;
- if (!fast) {
- origidx = sii->curidx;
- INTR_OFF(sii, intr_val);
- cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
- if (cc == NULL)
- goto done;
- } else {
- cc = (chipcregs_t *) CCREGS_FAST(sii);
- if (cc == NULL)
- goto done;
- }
- ASSERT(cc != NULL);
-
- slowminfreq = ai_slowclk_freq(sii, false, cc);
- fpdelay = (((R_REG(&cc->pll_on_delay) + 2) * 1000000) +
- (slowminfreq - 1)) / slowminfreq;
-
- done:
- if (!fast) {
- ai_setcoreidx(sih, origidx);
- INTR_RESTORE(sii, intr_val);
- }
- return fpdelay;
-}
-
-/* turn primary xtal and/or pll off/on */
-int ai_clkctl_xtal(si_t *sih, uint what, bool on)
-{
- si_info_t *sii;
- u32 in, out, outen;
-
- sii = SI_INFO(sih);
-
- switch (sih->bustype) {
-
- case PCI_BUS:
- /* pcie core doesn't have any mapping to control the xtal pu */
- if (PCIE(sii))
- return -1;
-
- pci_read_config_dword(sii->pbus, PCI_GPIO_IN, &in);
- pci_read_config_dword(sii->pbus, PCI_GPIO_OUT, &out);
- pci_read_config_dword(sii->pbus, PCI_GPIO_OUTEN, &outen);
-
- /*
- * Avoid glitching the clock if GPRS is already using it.
- * We can't actually read the state of the PLLPD so we infer it
- * by the value of XTAL_PU which *is* readable via gpioin.
- */
- if (on && (in & PCI_CFG_GPIO_XTAL))
- return 0;
-
- if (what & XTAL)
- outen |= PCI_CFG_GPIO_XTAL;
- if (what & PLL)
- outen |= PCI_CFG_GPIO_PLL;
-
- if (on) {
- /* turn primary xtal on */
- if (what & XTAL) {
- out |= PCI_CFG_GPIO_XTAL;
- if (what & PLL)
- out |= PCI_CFG_GPIO_PLL;
- pci_write_config_dword(sii->pbus,
- PCI_GPIO_OUT, out);
- pci_write_config_dword(sii->pbus,
- PCI_GPIO_OUTEN, outen);
- udelay(XTAL_ON_DELAY);
- }
-
- /* turn pll on */
- if (what & PLL) {
- out &= ~PCI_CFG_GPIO_PLL;
- pci_write_config_dword(sii->pbus,
- PCI_GPIO_OUT, out);
- mdelay(2);
- }
- } else {
- if (what & XTAL)
- out &= ~PCI_CFG_GPIO_XTAL;
- if (what & PLL)
- out |= PCI_CFG_GPIO_PLL;
- pci_write_config_dword(sii->pbus,
- PCI_GPIO_OUT, out);
- pci_write_config_dword(sii->pbus,
- PCI_GPIO_OUTEN, outen);
- }
-
- default:
- return -1;
- }
-
- return 0;
-}
-
-/*
- * clock control policy function throught chipcommon
- *
- * set dynamic clk control mode (forceslow, forcefast, dynamic)
- * returns true if we are forcing fast clock
- * this is a wrapper over the next internal function
- * to allow flexible policy settings for outside caller
- */
-bool ai_clkctl_cc(si_t *sih, uint mode)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
-
- /* chipcommon cores prior to rev6 don't support dynamic clock control */
- if (sih->ccrev < 6)
- return false;
-
- if (PCI_FORCEHT(sii))
- return mode == CLK_FAST;
-
- return _ai_clkctl_cc(sii, mode);
-}
-
-/* clk control mechanism through chipcommon, no policy checking */
-static bool _ai_clkctl_cc(si_info_t *sii, uint mode)
-{
- uint origidx = 0;
- chipcregs_t *cc;
- u32 scc;
- uint intr_val = 0;
- bool fast = SI_FAST(sii);
-
- /* chipcommon cores prior to rev6 don't support dynamic clock control */
- if (sii->pub.ccrev < 6)
- return false;
-
- /*
- * Chips with ccrev 10 are EOL and they
- * don't have SYCC_HR which we use below
- */
- ASSERT(sii->pub.ccrev != 10);
-
- if (!fast) {
- INTR_OFF(sii, intr_val);
- origidx = sii->curidx;
-
- if ((sii->pub.bustype == SI_BUS) &&
- ai_setcore(&sii->pub, MIPS33_CORE_ID, 0) &&
- (ai_corerev(&sii->pub) <= 7) && (sii->pub.ccrev >= 10))
- goto done;
-
- cc = (chipcregs_t *) ai_setcore(&sii->pub, CC_CORE_ID, 0);
- } else {
- cc = (chipcregs_t *) CCREGS_FAST(sii);
- if (cc == NULL)
- goto done;
- }
- ASSERT(cc != NULL);
-
- if (!CCCTL_ENAB(&sii->pub) && (sii->pub.ccrev < 20))
- goto done;
-
- switch (mode) {
- case CLK_FAST: /* FORCEHT, fast (pll) clock */
- if (sii->pub.ccrev < 10) {
- /*
- * don't forget to force xtal back
- * on before we clear SCC_DYN_XTAL..
- */
- ai_clkctl_xtal(&sii->pub, XTAL, ON);
- SET_REG(&cc->slow_clk_ctl,
- (SCC_XC | SCC_FS | SCC_IP), SCC_IP);
- } else if (sii->pub.ccrev < 20) {
- OR_REG(&cc->system_clk_ctl, SYCC_HR);
- } else {
- OR_REG(&cc->clk_ctl_st, CCS_FORCEHT);
- }
-
- /* wait for the PLL */
- if (PMUCTL_ENAB(&sii->pub)) {
- u32 htavail = CCS_HTAVAIL;
- SPINWAIT(((R_REG(&cc->clk_ctl_st) & htavail)
- == 0), PMU_MAX_TRANSITION_DLY);
- ASSERT(R_REG(&cc->clk_ctl_st) & htavail);
- } else {
- udelay(PLL_DELAY);
- }
- break;
-
- case CLK_DYNAMIC: /* enable dynamic clock control */
- if (sii->pub.ccrev < 10) {
- scc = R_REG(&cc->slow_clk_ctl);
- scc &= ~(SCC_FS | SCC_IP | SCC_XC);
- if ((scc & SCC_SS_MASK) != SCC_SS_XTAL)
- scc |= SCC_XC;
- W_REG(&cc->slow_clk_ctl, scc);
-
- /*
- * for dynamic control, we have to
- * release our xtal_pu "force on"
- */
- if (scc & SCC_XC)
- ai_clkctl_xtal(&sii->pub, XTAL, OFF);
- } else if (sii->pub.ccrev < 20) {
- /* Instaclock */
- AND_REG(&cc->system_clk_ctl, ~SYCC_HR);
- } else {
- AND_REG(&cc->clk_ctl_st, ~CCS_FORCEHT);
- }
- break;
-
- default:
- ASSERT(0);
- }
-
- done:
- if (!fast) {
- ai_setcoreidx(&sii->pub, origidx);
- INTR_RESTORE(sii, intr_val);
- }
- return mode == CLK_FAST;
-}
-
-/* Build device path. Support SI, PCI, and JTAG for now. */
-int ai_devpath(si_t *sih, char *path, int size)
-{
- int slen;
-
- ASSERT(path != NULL);
- ASSERT(size >= SI_DEVPATH_BUFSZ);
-
- if (!path || size <= 0)
- return -1;
-
- switch (sih->bustype) {
- case SI_BUS:
- case JTAG_BUS:
- slen = snprintf(path, (size_t) size, "sb/%u/", ai_coreidx(sih));
- break;
- case PCI_BUS:
- ASSERT((SI_INFO(sih))->pbus != NULL);
- slen = snprintf(path, (size_t) size, "pci/%u/%u/",
- ((struct pci_dev *)((SI_INFO(sih))->pbus))->bus->number,
- PCI_SLOT(
- ((struct pci_dev *)((SI_INFO(sih))->pbus))->devfn));
- break;
-
- default:
- slen = -1;
- ASSERT(0);
- break;
- }
-
- if (slen < 0 || slen >= size) {
- path[0] = '\0';
- return -1;
- }
-
- return 0;
-}
-
-/* Get a variable, but only if it has a devpath prefix */
-char *ai_getdevpathvar(si_t *sih, const char *name)
-{
- char varname[SI_DEVPATH_BUFSZ + 32];
-
- ai_devpathvar(sih, varname, sizeof(varname), name);
-
- return getvar(NULL, varname);
-}
-
-/* Get a variable, but only if it has a devpath prefix */
-int ai_getdevpathintvar(si_t *sih, const char *name)
-{
-#if defined(BCMBUSTYPE) && (BCMBUSTYPE == SI_BUS)
- return getintvar(NULL, name);
-#else
- char varname[SI_DEVPATH_BUFSZ + 32];
-
- ai_devpathvar(sih, varname, sizeof(varname), name);
-
- return getintvar(NULL, varname);
-#endif
-}
-
-char *ai_getnvramflvar(si_t *sih, const char *name)
-{
- return getvar(NULL, name);
-}
-
-/* Concatenate the dev path with a varname into the given 'var' buffer
- * and return the 'var' pointer. Nothing is done to the arguments if
- * len == 0 or var is NULL, var is still returned. On overflow, the
- * first char will be set to '\0'.
- */
-static char *ai_devpathvar(si_t *sih, char *var, int len, const char *name)
-{
- uint path_len;
-
- if (!var || len <= 0)
- return var;
-
- if (ai_devpath(sih, var, len) == 0) {
- path_len = strlen(var);
-
- if (strlen(name) + 1 > (uint) (len - path_len))
- var[0] = '\0';
- else
- strncpy(var + path_len, name, len - path_len - 1);
- }
-
- return var;
-}
-
-/* return true if PCIE capability exists in the pci config space */
-static __used bool ai_ispcie(si_info_t *sii)
-{
- u8 cap_ptr;
-
- if (sii->pub.bustype != PCI_BUS)
- return false;
-
- cap_ptr =
- pcicore_find_pci_capability(sii->pbus, PCI_CAP_ID_EXP, NULL,
- NULL);
- if (!cap_ptr)
- return false;
-
- return true;
-}
-
-bool ai_pci_war16165(si_t *sih)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
-
- return PCI(sii) && (sih->buscorerev <= 10);
-}
-
-void ai_pci_up(si_t *sih)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
-
- /* if not pci bus, we're done */
- if (sih->bustype != PCI_BUS)
- return;
-
- if (PCI_FORCEHT(sii))
- _ai_clkctl_cc(sii, CLK_FAST);
-
- if (PCIE(sii))
- pcicore_up(sii->pch, SI_PCIUP);
-
-}
-
-/* Unconfigure and/or apply various WARs when system is going to sleep mode */
-void ai_pci_sleep(si_t *sih)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
-
- pcicore_sleep(sii->pch);
-}
-
-/* Unconfigure and/or apply various WARs when going down */
-void ai_pci_down(si_t *sih)
-{
- si_info_t *sii;
-
- sii = SI_INFO(sih);
-
- /* if not pci bus, we're done */
- if (sih->bustype != PCI_BUS)
- return;
-
- /* release FORCEHT since chip is going to "down" state */
- if (PCI_FORCEHT(sii))
- _ai_clkctl_cc(sii, CLK_DYNAMIC);
-
- pcicore_down(sii->pch, SI_PCIDOWN);
-}
-
-/*
- * Configure the pci core for pci client (NIC) action
- * coremask is the bitvec of cores by index to be enabled.
- */
-void ai_pci_setup(si_t *sih, uint coremask)
-{
- si_info_t *sii;
- struct sbpciregs *pciregs = NULL;
- u32 siflag = 0, w;
- uint idx = 0;
-
- sii = SI_INFO(sih);
-
- if (sii->pub.bustype != PCI_BUS)
- return;
-
- ASSERT(PCI(sii) || PCIE(sii));
- ASSERT(sii->pub.buscoreidx != BADIDX);
-
- if (PCI(sii)) {
- /* get current core index */
- idx = sii->curidx;
-
- /* we interrupt on this backplane flag number */
- siflag = ai_flag(sih);
-
- /* switch over to pci core */
- pciregs = ai_setcoreidx(sih, sii->pub.buscoreidx);
- }
-
- /*
- * Enable sb->pci interrupts. Assume
- * PCI rev 2.3 support was added in pci core rev 6 and things changed..
- */
- if (PCIE(sii) || (PCI(sii) && ((sii->pub.buscorerev) >= 6))) {
- /* pci config write to set this core bit in PCIIntMask */
- pci_read_config_dword(sii->pbus, PCI_INT_MASK, &w);
- w |= (coremask << PCI_SBIM_SHIFT);
- pci_write_config_dword(sii->pbus, PCI_INT_MASK, w);
- } else {
- /* set sbintvec bit for our flag number */
- ai_setint(sih, siflag);
- }
-
- if (PCI(sii)) {
- OR_REG(&pciregs->sbtopci2,
- (SBTOPCI_PREF | SBTOPCI_BURST));
- if (sii->pub.buscorerev >= 11) {
- OR_REG(&pciregs->sbtopci2,
- SBTOPCI_RC_READMULTI);
- w = R_REG(&pciregs->clkrun);
- W_REG(&pciregs->clkrun,
- (w | PCI_CLKRUN_DSBL));
- w = R_REG(&pciregs->clkrun);
- }
-
- /* switch back to previous core */
- ai_setcoreidx(sih, idx);
- }
-}
-
-/*
- * Fixup SROMless PCI device's configuration.
- * The current core may be changed upon return.
- */
-int ai_pci_fixcfg(si_t *sih)
-{
- uint origidx, pciidx;
- struct sbpciregs *pciregs = NULL;
- sbpcieregs_t *pcieregs = NULL;
- void *regs = NULL;
- u16 val16, *reg16 = NULL;
-
- si_info_t *sii = SI_INFO(sih);
-
- ASSERT(sii->pub.bustype == PCI_BUS);
-
- /* Fixup PI in SROM shadow area to enable the correct PCI core access */
- /* save the current index */
- origidx = ai_coreidx(&sii->pub);
-
- /* check 'pi' is correct and fix it if not */
- if (sii->pub.buscoretype == PCIE_CORE_ID) {
- pcieregs = ai_setcore(&sii->pub, PCIE_CORE_ID, 0);
- regs = pcieregs;
- ASSERT(pcieregs != NULL);
- reg16 = &pcieregs->sprom[SRSH_PI_OFFSET];
- } else if (sii->pub.buscoretype == PCI_CORE_ID) {
- pciregs = ai_setcore(&sii->pub, PCI_CORE_ID, 0);
- regs = pciregs;
- ASSERT(pciregs != NULL);
- reg16 = &pciregs->sprom[SRSH_PI_OFFSET];
- }
- pciidx = ai_coreidx(&sii->pub);
- val16 = R_REG(reg16);
- if (((val16 & SRSH_PI_MASK) >> SRSH_PI_SHIFT) != (u16) pciidx) {
- val16 =
- (u16) (pciidx << SRSH_PI_SHIFT) | (val16 &
- ~SRSH_PI_MASK);
- W_REG(reg16, val16);
- }
-
- /* restore the original index */
- ai_setcoreidx(&sii->pub, origidx);
-
- pcicore_hwup(sii->pch);
- return 0;
-}
-
-/* mask&set gpiocontrol bits */
-u32 ai_gpiocontrol(si_t *sih, u32 mask, u32 val, u8 priority)
-{
- uint regoff;
-
- regoff = 0;
-
- /* gpios could be shared on router platforms
- * ignore reservation if it's high priority (e.g., test apps)
- */
- if ((priority != GPIO_HI_PRIORITY) &&
- (sih->bustype == SI_BUS) && (val || mask)) {
- mask = priority ? (ai_gpioreservation & mask) :
- ((ai_gpioreservation | mask) & ~(ai_gpioreservation));
- val &= mask;
- }
-
- regoff = offsetof(chipcregs_t, gpiocontrol);
- return ai_corereg(sih, SI_CC_IDX, regoff, mask, val);
-}
-
-void ai_chipcontrl_epa4331(si_t *sih, bool on)
-{
- si_info_t *sii;
- chipcregs_t *cc;
- uint origidx;
- u32 val;
-
- sii = SI_INFO(sih);
- origidx = ai_coreidx(sih);
-
- cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
-
- val = R_REG(&cc->chipcontrol);
-
- if (on) {
- if (sih->chippkg == 9 || sih->chippkg == 0xb) {
- /* Ext PA Controls for 4331 12x9 Package */
- W_REG(&cc->chipcontrol, val |
- (CCTRL4331_EXTPA_EN |
- CCTRL4331_EXTPA_ON_GPIO2_5));
- } else {
- /* Ext PA Controls for 4331 12x12 Package */
- W_REG(&cc->chipcontrol,
- val | (CCTRL4331_EXTPA_EN));
- }
- } else {
- val &= ~(CCTRL4331_EXTPA_EN | CCTRL4331_EXTPA_ON_GPIO2_5);
- W_REG(&cc->chipcontrol, val);
- }
-
- ai_setcoreidx(sih, origidx);
-}
-
-/* Enable BT-COEX & Ex-PA for 4313 */
-void ai_epa_4313war(si_t *sih)
-{
- si_info_t *sii;
- chipcregs_t *cc;
- uint origidx;
-
- sii = SI_INFO(sih);
- origidx = ai_coreidx(sih);
-
- cc = (chipcregs_t *) ai_setcore(sih, CC_CORE_ID, 0);
-
- /* EPA Fix */
- W_REG(&cc->gpiocontrol,
- R_REG(&cc->gpiocontrol) | GPIO_CTRL_EPA_EN_MASK);
-
- ai_setcoreidx(sih, origidx);
-}
-
-/* check if the device is removed */
-bool ai_deviceremoved(si_t *sih)
-{
- u32 w;
- si_info_t *sii;
-
- sii = SI_INFO(sih);
-
- switch (sih->bustype) {
- case PCI_BUS:
- ASSERT(sii->pbus != NULL);
- pci_read_config_dword(sii->pbus, PCI_VENDOR_ID, &w);
- if ((w & 0xFFFF) != PCI_VENDOR_ID_BROADCOM)
- return true;
- break;
- }
- return false;
-}
-
-bool ai_is_sprom_available(si_t *sih)
-{
- if (sih->ccrev >= 31) {
- si_info_t *sii;
- uint origidx;
- chipcregs_t *cc;
- u32 sromctrl;
-
- if ((sih->cccaps & CC_CAP_SROM) == 0)
- return false;
-
- sii = SI_INFO(sih);
- origidx = sii->curidx;
- cc = ai_setcoreidx(sih, SI_CC_IDX);
- sromctrl = R_REG(&cc->sromcontrol);
- ai_setcoreidx(sih, origidx);
- return sromctrl & SRC_PRESENT;
- }
-
- switch (sih->chip) {
- case BCM4329_CHIP_ID:
- return (sih->chipst & CST4329_SPROM_SEL) != 0;
- case BCM4319_CHIP_ID:
- return (sih->chipst & CST4319_SPROM_SEL) != 0;
- case BCM4336_CHIP_ID:
- return (sih->chipst & CST4336_SPROM_PRESENT) != 0;
- case BCM4330_CHIP_ID:
- return (sih->chipst & CST4330_SPROM_PRESENT) != 0;
- case BCM4313_CHIP_ID:
- return (sih->chipst & CST4313_SPROM_PRESENT) != 0;
- case BCM4331_CHIP_ID:
- return (sih->chipst & CST4331_SPROM_PRESENT) != 0;
- default:
- return true;
- }
-}
-
-bool ai_is_otp_disabled(si_t *sih)
-{
- switch (sih->chip) {
- case BCM4329_CHIP_ID:
- return (sih->chipst & CST4329_SPROM_OTP_SEL_MASK) ==
- CST4329_OTP_PWRDN;
- case BCM4319_CHIP_ID:
- return (sih->chipst & CST4319_SPROM_OTP_SEL_MASK) ==
- CST4319_OTP_PWRDN;
- case BCM4336_CHIP_ID:
- return (sih->chipst & CST4336_OTP_PRESENT) == 0;
- case BCM4330_CHIP_ID:
- return (sih->chipst & CST4330_OTP_PRESENT) == 0;
- case BCM4313_CHIP_ID:
- return (sih->chipst & CST4313_OTP_PRESENT) == 0;
- /* These chips always have their OTP on */
- case BCM43224_CHIP_ID:
- case BCM43225_CHIP_ID:
- case BCM43421_CHIP_ID:
- case BCM43235_CHIP_ID:
- case BCM43236_CHIP_ID:
- case BCM43238_CHIP_ID:
- case BCM4331_CHIP_ID:
- default:
- return false;
- }
-}
-
-bool ai_is_otp_powered(si_t *sih)
-{
- if (PMUCTL_ENAB(sih))
- return si_pmu_is_otp_powered(sih);
- return true;
-}
-
-void ai_otp_power(si_t *sih, bool on)
-{
- if (PMUCTL_ENAB(sih))
- si_pmu_otp_power(sih, on);
- udelay(1000);
-}
projects / deliverable / linux.git / commitdiff
