diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd_1363/aiutils.c')
| -rw-r--r-- | drivers/net/wireless/bcmdhd_1363/aiutils.c | 1284 |
1 files changed, 1284 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd_1363/aiutils.c b/drivers/net/wireless/bcmdhd_1363/aiutils.c new file mode 100644 index 000000000000..3440dbc71929 --- /dev/null +++ b/drivers/net/wireless/bcmdhd_1363/aiutils.c @@ -0,0 +1,1284 @@ +/* + * Misc utility routines for accessing chip-specific features + * of the SiliconBackplane-based Broadcom chips. + * + * Copyright (C) 1999-2017, Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2 (the "GPL"), + * available at http://www.broadcom.com/licenses/GPLv2.php, with the + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * + * <<Broadcom-WL-IPTag/Open:>> + * + * $Id: aiutils.c 607900 2015-12-22 13:38:53Z $ + */ +#include <bcm_cfg.h> +#include <typedefs.h> +#include <bcmdefs.h> +#include <osl.h> +#include <bcmutils.h> +#include <siutils.h> +#include <hndsoc.h> +#include <sbchipc.h> +#include <pcicfg.h> + +#include "siutils_priv.h" + +#define BCM47162_DMP() (0) +#define BCM5357_DMP() (0) +#define BCM53573_DMP() (0) +#define BCM4707_DMP() (0) +#define PMU_DMP() (0) +#define GCI_DMP() (0) +#define remap_coreid(sih, coreid) (coreid) +#define remap_corerev(sih, corerev) (corerev) + +/* EROM parsing */ + +static uint32 +get_erom_ent(si_t *sih, uint32 **eromptr, uint32 mask, uint32 match) +{ + uint32 ent; + uint inv = 0, nom = 0; + uint32 size = 0; + + while (TRUE) { + ent = R_REG(si_osh(sih), *eromptr); + (*eromptr)++; + + if (mask == 0) + break; + + if ((ent & ER_VALID) == 0) { + inv++; + continue; + } + + if (ent == (ER_END | ER_VALID)) + break; + + if ((ent & mask) == match) + break; + + /* escape condition related EROM size if it has invalid values */ + size += sizeof(*eromptr); + if (size >= ER_SZ_MAX) { + SI_ERROR(("Failed to find end of EROM marker\n")); + break; + } + + nom++; + } + + SI_VMSG(("%s: Returning ent 0x%08x\n", __FUNCTION__, ent)); + if (inv + nom) { + SI_VMSG((" after %d invalid and %d non-matching entries\n", inv, nom)); + } + return ent; +} + +static uint32 +get_asd(si_t *sih, uint32 **eromptr, uint sp, uint ad, uint st, uint32 *addrl, uint32 *addrh, + uint32 *sizel, uint32 *sizeh) +{ + uint32 asd, sz, szd; + + asd = get_erom_ent(sih, eromptr, ER_VALID, ER_VALID); + if (((asd & ER_TAG1) != ER_ADD) || + (((asd & AD_SP_MASK) >> AD_SP_SHIFT) != sp) || + ((asd & AD_ST_MASK) != st)) { + /* 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); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + chipcregs_t *cc = (chipcregs_t *)regs; + uint32 erombase, *eromptr, *eromlim; + + erombase = R_REG(sii->osh, &cc->eromptr); + + switch (BUSTYPE(sih->bustype)) { + case SI_BUS: + eromptr = (uint32 *)REG_MAP(erombase, SI_CORE_SIZE); + break; + + case PCI_BUS: + /* Set wrappers address */ + sii->curwrap = (void *)((uintptr)regs + SI_CORE_SIZE); + + /* Now point the window at the erom */ + OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN, 4, erombase); + eromptr = regs; + break; + +#ifdef BCMSDIO + case SPI_BUS: + case SDIO_BUS: + eromptr = (uint32 *)(uintptr)erombase; + break; +#endif /* BCMSDIO */ + + case PCMCIA_BUS: + default: + SI_ERROR(("Don't know how to do AXI enumertion on bus %d\n", sih->bustype)); + ASSERT(0); + return; + } + eromlim = eromptr + (ER_REMAPCONTROL / sizeof(uint32)); + + SI_VMSG(("ai_scan: regs = 0x%p, erombase = 0x%08x, eromptr = 0x%p, eromlim = 0x%p\n", + regs, erombase, eromptr, eromlim)); + while (eromptr < eromlim) { + uint32 cia, cib, cid, mfg, crev, nmw, nsw, nmp, nsp; + uint32 mpd, asd, addrl, addrh, sizel, sizeh; + 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; + } + + 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; + +#ifdef BCMDBG_SI + 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, eromptr - 1, nmw, nsw, nmp, nsp)); +#else + BCM_REFERENCE(crev); +#endif + + 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; + } + } + if (cid != GMAC_COMMON_4706_CORE_ID && cid != NS_CCB_CORE_ID && + cid != PMU_CORE_ID && cid != GCI_CORE_ID) + continue; + } + + idx = sii->numcores; + + cores_info->cia[idx] = cia; + cores_info->cib[idx] = cib; + cores_info->coreid[idx] = remap_coreid(sih, 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) { + do { + /* 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 (br == TRUE) { + break; + } + else if ((addrh != 0) || (sizeh != 0) || + (sizel != SI_CORE_SIZE)) { + SI_ERROR(("addrh = 0x%x\t sizeh = 0x%x\t size1 =" + "0x%x\n", addrh, sizeh, sizel)); + SI_ERROR(("First Slave ASD for" + "core 0x%04x malformed " + "(0x%08x)\n", cid, asd)); + goto error; + } + } + } while (1); + } + cores_info->coresba[idx] = addrl; + cores_info->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)) { + cores_info->coresba2[idx] = addrl; + cores_info->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); + + if (asd == 0) + break; + j++; + } while (1); + 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) + cores_info->wrapba[idx] = addrl; + else if (i == 1) + cores_info->wrapba2[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); + + /* cache APB bridge wrapper address for set/clear timeout */ + if ((mfg == MFGID_ARM) && (cid == APB_BRIDGE_ID)) { + ASSERT(sii->num_br < SI_MAXBR); + sii->br_wrapba[sii->num_br++] = addrl; + } + 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)) + cores_info->wrapba[idx] = addrl; + else if ((nmw == 0) && (i == 1)) + cores_info->wrapba2[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; +} + +#define AI_SETCOREIDX_MAPSIZE(coreid) \ + (((coreid) == NS_CCB_CORE_ID) ? 15 * SI_CORE_SIZE : SI_CORE_SIZE) + +/* This function changes the logical "focus" to the indicated core. + * Return the current core's virtual address. + */ +static void * +_ai_setcoreidx(si_t *sih, uint coreidx, uint use_wrap2) +{ + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + uint32 addr, wrap, wrap2; + void *regs; + + if (coreidx >= MIN(sii->numcores, SI_MAXCORES)) + return (NULL); + + addr = cores_info->coresba[coreidx]; + wrap = cores_info->wrapba[coreidx]; + wrap2 = cores_info->wrapba2[coreidx]; + + /* + * If the user has provided an interrupt mask enabled function, + * then assert interrupts are disabled before switching the core. + */ + ASSERT((sii->intrsenabled_fn == NULL) || !(*(sii)->intrsenabled_fn)((sii)->intr_arg)); + + switch (BUSTYPE(sih->bustype)) { + case SI_BUS: + /* map new one */ + if (!cores_info->regs[coreidx]) { + cores_info->regs[coreidx] = REG_MAP(addr, + AI_SETCOREIDX_MAPSIZE(cores_info->coreid[coreidx])); + ASSERT(GOODREGS(cores_info->regs[coreidx])); + } + sii->curmap = regs = cores_info->regs[coreidx]; + if (!cores_info->wrappers[coreidx] && (wrap != 0)) { + cores_info->wrappers[coreidx] = REG_MAP(wrap, SI_CORE_SIZE); + ASSERT(GOODREGS(cores_info->wrappers[coreidx])); + } + if (!cores_info->wrappers2[coreidx] && (wrap2 != 0)) { + cores_info->wrappers2[coreidx] = REG_MAP(wrap2, SI_CORE_SIZE); + ASSERT(GOODREGS(cores_info->wrappers2[coreidx])); + } + if (use_wrap2) + sii->curwrap = cores_info->wrappers2[coreidx]; + else + sii->curwrap = cores_info->wrappers[coreidx]; + break; + + case PCI_BUS: + /* point bar0 window */ + OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN, 4, addr); + regs = sii->curmap; + /* point bar0 2nd 4KB window to the primary wrapper */ + if (use_wrap2) + wrap = wrap2; + if (PCIE_GEN2(sii)) + OSL_PCI_WRITE_CONFIG(sii->osh, PCIE2_BAR0_WIN2, 4, wrap); + else + OSL_PCI_WRITE_CONFIG(sii->osh, PCI_BAR0_WIN2, 4, wrap); + break; + +#ifdef BCMSDIO + case SPI_BUS: + case SDIO_BUS: + sii->curmap = regs = (void *)((uintptr)addr); + if (use_wrap2) + sii->curwrap = (void *)((uintptr)wrap2); + else + sii->curwrap = (void *)((uintptr)wrap); + break; +#endif /* BCMSDIO */ + + case PCMCIA_BUS: + default: + ASSERT(0); + regs = NULL; + break; + } + + sii->curmap = regs; + sii->curidx = coreidx; + + return regs; +} + +void * +ai_setcoreidx(si_t *sih, uint coreidx) +{ + return _ai_setcoreidx(sih, coreidx, 0); +} + +void * +ai_setcoreidx_2ndwrap(si_t *sih, uint coreidx) +{ + return _ai_setcoreidx(sih, coreidx, 1); +} + +void +ai_coreaddrspaceX(si_t *sih, uint asidx, uint32 *addr, uint32 *size) +{ + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + chipcregs_t *cc = NULL; + uint32 erombase, *eromptr, *eromlim; + uint i, j, cidx; + uint32 cia, cib, nmp, nsp; + uint32 asd, addrl, addrh, sizel, sizeh; + + for (i = 0; i < sii->numcores; i++) { + if (cores_info->coreid[i] == CC_CORE_ID) { + cc = (chipcregs_t *)cores_info->regs[i]; + break; + } + } + if (cc == NULL) + goto error; + + erombase = R_REG(sii->osh, &cc->eromptr); + eromptr = (uint32 *)REG_MAP(erombase, SI_CORE_SIZE); + eromlim = eromptr + (ER_REMAPCONTROL / sizeof(uint32)); + + cidx = sii->curidx; + cia = cores_info->cia[cidx]; + cib = cores_info->cib[cidx]; + + nmp = (cib & CIB_NMP_MASK) >> CIB_NMP_SHIFT; + nsp = (cib & CIB_NSP_MASK) >> CIB_NSP_SHIFT; + + /* scan for cores */ + while (eromptr < eromlim) { + if ((get_erom_ent(sih, &eromptr, ER_TAG, ER_CI) == cia) && + (get_erom_ent(sih, &eromptr, 0, 0) == cib)) { + break; + } + } + + /* skip master ports */ + for (i = 0; i < nmp; i++) + get_erom_ent(sih, &eromptr, ER_VALID, ER_VALID); + + /* Skip ASDs in port 0 */ + 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); + } + + j = 1; + do { + asd = get_asd(sih, &eromptr, 0, j, AD_ST_SLAVE, &addrl, &addrh, + &sizel, &sizeh); + 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); + if (asd == 0) + break; + + if (!asidx--) { + *addr = addrl; + *size = sizel; + return; + } + j++; + } while (1); + + if (j == 0) { + SI_ERROR((" SP %d has no address descriptors\n", i)); + break; + } + } + +error: + *size = 0; + return; +} + +/* 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 */ +uint32 +ai_addrspace(si_t *sih, uint asidx) +{ + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + uint cidx; + + cidx = sii->curidx; + + if (asidx == 0) + return cores_info->coresba[cidx]; + else if (asidx == 1) + return cores_info->coresba2[cidx]; + else { + SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n", + __FUNCTION__, asidx)); + return 0; + } +} + +/* Return the size of the nth address space in the current core */ +uint32 +ai_addrspacesize(si_t *sih, uint asidx) +{ + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + uint cidx; + + cidx = sii->curidx; + + if (asidx == 0) + return cores_info->coresba_size[cidx]; + else if (asidx == 1) + return cores_info->coresba2_size[cidx]; + else { + SI_ERROR(("%s: Need to parse the erom again to find addr space %d\n", + __FUNCTION__, asidx)); + return 0; + } +} + +uint +ai_flag(si_t *sih) +{ + si_info_t *sii = SI_INFO(sih); + aidmp_t *ai; + + if (BCM47162_DMP()) { + SI_ERROR(("%s: Attempting to read MIPS DMP registers on 47162a0", __FUNCTION__)); + return sii->curidx; + } + if (BCM5357_DMP()) { + SI_ERROR(("%s: Attempting to read USB20H DMP registers on 5357b0\n", __FUNCTION__)); + return sii->curidx; + } + if (BCM4707_DMP()) { + SI_ERROR(("%s: Attempting to read CHIPCOMMONB DMP registers on 4707\n", + __FUNCTION__)); + return sii->curidx; + } + if (BCM53573_DMP()) { + SI_ERROR(("%s: Attempting to read DMP registers on 53573\n", __FUNCTION__)); + return sii->curidx; + } +#ifdef REROUTE_OOBINT + if (PMU_DMP()) { + SI_ERROR(("%s: Attempting to read PMU DMP registers\n", + __FUNCTION__)); + return PMU_OOB_BIT; + } +#else + if (PMU_DMP()) { + uint idx, flag; + idx = sii->curidx; + ai_setcoreidx(sih, SI_CC_IDX); + flag = ai_flag_alt(sih); + ai_setcoreidx(sih, idx); + return flag; + } +#endif /* REROUTE_OOBINT */ + + ai = sii->curwrap; + ASSERT(ai != NULL); + + return (R_REG(sii->osh, &ai->oobselouta30) & 0x1f); +} + +uint +ai_flag_alt(si_t *sih) +{ + si_info_t *sii = SI_INFO(sih); + aidmp_t *ai; + + if (BCM47162_DMP()) { + SI_ERROR(("%s: Attempting to read MIPS DMP registers on 47162a0", __FUNCTION__)); + return sii->curidx; + } + if (BCM5357_DMP()) { + SI_ERROR(("%s: Attempting to read USB20H DMP registers on 5357b0\n", __FUNCTION__)); + return sii->curidx; + } + if (BCM4707_DMP()) { + SI_ERROR(("%s: Attempting to read CHIPCOMMONB DMP registers on 4707\n", + __FUNCTION__)); + return sii->curidx; + } +#ifdef REROUTE_OOBINT + if (PMU_DMP()) { + SI_ERROR(("%s: Attempting to read PMU DMP registers\n", + __FUNCTION__)); + return PMU_OOB_BIT; + } +#endif /* REROUTE_OOBINT */ + + ai = sii->curwrap; + + return ((R_REG(sii->osh, &ai->oobselouta30) >> AI_OOBSEL_1_SHIFT) & AI_OOBSEL_MASK); +} + +void +ai_setint(si_t *sih, int siflag) +{ +} + +uint +ai_wrap_reg(si_t *sih, uint32 offset, uint32 mask, uint32 val) +{ + si_info_t *sii = SI_INFO(sih); + uint32 *map = (uint32 *) sii->curwrap; + + if (mask || val) { + uint32 w = R_REG(sii->osh, map+(offset/4)); + w &= ~mask; + w |= val; + W_REG(sii->osh, map+(offset/4), w); + } + + return (R_REG(sii->osh, map+(offset/4))); +} + +uint +ai_corevendor(si_t *sih) +{ + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + uint32 cia; + + cia = cores_info->cia[sii->curidx]; + return ((cia & CIA_MFG_MASK) >> CIA_MFG_SHIFT); +} + +uint +ai_corerev(si_t *sih) +{ + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + uint32 cib; + + + cib = cores_info->cib[sii->curidx]; + return remap_corerev(sih, (cib & CIB_REV_MASK) >> CIB_REV_SHIFT); +} + +bool +ai_iscoreup(si_t *sih) +{ + si_info_t *sii = SI_INFO(sih); + aidmp_t *ai; + + ai = sii->curwrap; + + return (((R_REG(sii->osh, &ai->ioctrl) & (SICF_FGC | SICF_CLOCK_EN)) == SICF_CLOCK_EN) && + ((R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET) == 0)); +} + +/* + * 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; + uint32 *r = NULL; + uint w; + uint intr_val = 0; + bool fast = FALSE; + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + + + ASSERT(GOODIDX(coreidx)); + ASSERT(regoff < SI_CORE_SIZE); + ASSERT((val & ~mask) == 0); + + if (coreidx >= SI_MAXCORES) + return 0; + + if (BUSTYPE(sih->bustype) == SI_BUS) { + /* If internal bus, we can always get at everything */ + fast = TRUE; + /* map if does not exist */ + if (!cores_info->regs[coreidx]) { + cores_info->regs[coreidx] = REG_MAP(cores_info->coresba[coreidx], + SI_CORE_SIZE); + ASSERT(GOODREGS(cores_info->regs[coreidx])); + } + r = (uint32 *)((uchar *)cores_info->regs[coreidx] + regoff); + } else if (BUSTYPE(sih->bustype) == PCI_BUS) { + /* If pci/pcie, we can get at pci/pcie regs and on newer cores to chipc */ + + if ((cores_info->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sii)) { + /* Chipc registers are mapped at 12KB */ + + fast = TRUE; + r = (uint32 *)((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 = (uint32 *)((char *)sii->curmap + + PCI_16KB0_PCIREGS_OFFSET + regoff); + else + r = (uint32 *)((char *)sii->curmap + + ((regoff >= SBCONFIGOFF) ? + PCI_BAR0_PCISBR_OFFSET : PCI_BAR0_PCIREGS_OFFSET) + + regoff); + } + } + + if (!fast) { + INTR_OFF(sii, intr_val); + + /* save current core index */ + origidx = si_coreidx(&sii->pub); + + /* switch core */ + r = (uint32*) ((uchar*) ai_setcoreidx(&sii->pub, coreidx) + regoff); + } + ASSERT(r != NULL); + + /* mask and set */ + if (mask || val) { + w = (R_REG(sii->osh, r) & ~mask) | val; + W_REG(sii->osh, r, w); + } + + /* readback */ + w = R_REG(sii->osh, r); + + if (!fast) { + /* restore core index */ + if (origidx != coreidx) + ai_setcoreidx(&sii->pub, origidx); + + INTR_RESTORE(sii, intr_val); + } + + return (w); +} + +/* + * If there is no need for fiddling with interrupts or core switches (typically silicon + * back plane registers, pci registers and chipcommon registers), this function + * returns the register offset on this core to a mapped address. This address can + * be used for W_REG/R_REG directly. + * + * For accessing registers that would need a core switch, this function will return + * NULL. + */ +uint32 * +ai_corereg_addr(si_t *sih, uint coreidx, uint regoff) +{ + uint32 *r = NULL; + bool fast = FALSE; + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + + + ASSERT(GOODIDX(coreidx)); + ASSERT(regoff < SI_CORE_SIZE); + + if (coreidx >= SI_MAXCORES) + return 0; + + if (BUSTYPE(sih->bustype) == SI_BUS) { + /* If internal bus, we can always get at everything */ + fast = TRUE; + /* map if does not exist */ + if (!cores_info->regs[coreidx]) { + cores_info->regs[coreidx] = REG_MAP(cores_info->coresba[coreidx], + SI_CORE_SIZE); + ASSERT(GOODREGS(cores_info->regs[coreidx])); + } + r = (uint32 *)((uchar *)cores_info->regs[coreidx] + regoff); + } else if (BUSTYPE(sih->bustype) == PCI_BUS) { + /* If pci/pcie, we can get at pci/pcie regs and on newer cores to chipc */ + + if ((cores_info->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sii)) { + /* Chipc registers are mapped at 12KB */ + + fast = TRUE; + r = (uint32 *)((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 = (uint32 *)((char *)sii->curmap + + PCI_16KB0_PCIREGS_OFFSET + regoff); + else + r = (uint32 *)((char *)sii->curmap + + ((regoff >= SBCONFIGOFF) ? + PCI_BAR0_PCISBR_OFFSET : PCI_BAR0_PCIREGS_OFFSET) + + regoff); + } + } + + if (!fast) { + ASSERT(sii->curidx == coreidx); + r = (uint32*) ((uchar*)sii->curmap + regoff); + } + + return (r); +} + +void +ai_core_disable(si_t *sih, uint32 bits) +{ + si_info_t *sii = SI_INFO(sih); + volatile uint32 dummy; + uint32 status; + aidmp_t *ai; + + + ASSERT(GOODREGS(sii->curwrap)); + ai = sii->curwrap; + + /* if core is already in reset, just return */ + if (R_REG(sii->osh, &ai->resetctrl) & AIRC_RESET) + return; + + /* ensure there are no pending backplane operations */ + SPINWAIT(((status = R_REG(sii->osh, &ai->resetstatus)) != 0), 300); + + /* if pending backplane ops still, try waiting longer */ + if (status != 0) { + /* 300usecs was sufficient to allow backplane ops to clear for big hammer */ + /* during driver load we may need more time */ + SPINWAIT(((status = R_REG(sii->osh, &ai->resetstatus)) != 0), 10000); + /* if still pending ops, continue on and try disable anyway */ + /* this is in big hammer path, so don't call wl_reinit in this case... */ + } + + W_REG(sii->osh, &ai->resetctrl, AIRC_RESET); + dummy = R_REG(sii->osh, &ai->resetctrl); + BCM_REFERENCE(dummy); + OSL_DELAY(1); + + W_REG(sii->osh, &ai->ioctrl, bits); + dummy = R_REG(sii->osh, &ai->ioctrl); + BCM_REFERENCE(dummy); + OSL_DELAY(10); +} + +/* 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 + */ +static void +_ai_core_reset(si_t *sih, uint32 bits, uint32 resetbits) +{ + si_info_t *sii = SI_INFO(sih); + aidmp_t *ai; + volatile uint32 dummy; + uint loop_counter = 10; +#ifdef CUSTOMER_HW4_DEBUG + printf("%s: bits: 0x%x, resetbits: 0x%x\n", __FUNCTION__, bits, resetbits); +#endif + + ASSERT(GOODREGS(sii->curwrap)); + ai = sii->curwrap; + + /* ensure there are no pending backplane operations */ + SPINWAIT(((dummy = R_REG(sii->osh, &ai->resetstatus)) != 0), 300); +#ifdef CUSTOMER_HW4_DEBUG + printf("%s: resetstatus: %p dummy: %x\n", __FUNCTION__, &ai->resetstatus, dummy); +#endif + + + /* put core into reset state */ +#ifdef CUSTOMER_HW4_DEBUG + printf("%s: resetctrl: %p\n", __FUNCTION__, &ai->resetctrl); +#endif + W_REG(sii->osh, &ai->resetctrl, AIRC_RESET); + OSL_DELAY(10); + + /* ensure there are no pending backplane operations */ + SPINWAIT((R_REG(sii->osh, &ai->resetstatus) != 0), 300); + + W_REG(sii->osh, &ai->ioctrl, (bits | resetbits | SICF_FGC | SICF_CLOCK_EN)); + dummy = R_REG(sii->osh, &ai->ioctrl); +#ifdef CUSTOMER_HW4_DEBUG + printf("%s: ioctrl: %p dummy: 0x%x\n", __FUNCTION__, &ai->ioctrl, dummy); +#endif + BCM_REFERENCE(dummy); + + /* ensure there are no pending backplane operations */ + SPINWAIT(((dummy = R_REG(sii->osh, &ai->resetstatus)) != 0), 300); + + + while (R_REG(sii->osh, &ai->resetctrl) != 0 && --loop_counter != 0) { + /* ensure there are no pending backplane operations */ + SPINWAIT(((dummy = R_REG(sii->osh, &ai->resetstatus)) != 0), 300); + + + /* take core out of reset */ + W_REG(sii->osh, &ai->resetctrl, 0); +#ifdef CUSTOMER_HW4_DEBUG + printf("%s: loop_counter: %d resetstatus: %p resetctrl: %p\n", + __FUNCTION__, loop_counter, &ai->resetstatus, &ai->resetctrl); +#endif + + /* ensure there are no pending backplane operations */ + SPINWAIT((R_REG(sii->osh, &ai->resetstatus) != 0), 300); + } + + + W_REG(sii->osh, &ai->ioctrl, (bits | SICF_CLOCK_EN)); + dummy = R_REG(sii->osh, &ai->ioctrl); +#ifdef CUSTOMER_HW4_DEBUG + printf("%s: ioctl: %p dummy: 0x%x\n", __FUNCTION__, &ai->ioctrl, dummy); +#endif + BCM_REFERENCE(dummy); + OSL_DELAY(1); +} + +void +ai_core_reset(si_t *sih, uint32 bits, uint32 resetbits) +{ + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + uint idx = sii->curidx; + + if (cores_info->wrapba2[idx] != 0) { + ai_setcoreidx_2ndwrap(sih, idx); + _ai_core_reset(sih, bits, resetbits); + ai_setcoreidx(sih, idx); + } + + _ai_core_reset(sih, bits, resetbits); +} + +void +ai_core_cflags_wo(si_t *sih, uint32 mask, uint32 val) +{ + si_info_t *sii = SI_INFO(sih); + aidmp_t *ai; + uint32 w; + + + if (BCM47162_DMP()) { + SI_ERROR(("%s: Accessing MIPS DMP register (ioctrl) on 47162a0", + __FUNCTION__)); + return; + } + if (BCM5357_DMP()) { + SI_ERROR(("%s: Accessing USB20H DMP register (ioctrl) on 5357\n", + __FUNCTION__)); + return; + } + if (BCM4707_DMP()) { + SI_ERROR(("%s: Accessing CHIPCOMMONB DMP register (ioctrl) on 4707\n", + __FUNCTION__)); + return; + } + if (PMU_DMP()) { + SI_ERROR(("%s: Accessing PMU DMP register (ioctrl)\n", + __FUNCTION__)); + return; + } + + ASSERT(GOODREGS(sii->curwrap)); + ai = sii->curwrap; + + ASSERT((val & ~mask) == 0); + + if (mask || val) { + w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) | val); + W_REG(sii->osh, &ai->ioctrl, w); + } +} + +uint32 +ai_core_cflags(si_t *sih, uint32 mask, uint32 val) +{ + si_info_t *sii = SI_INFO(sih); + aidmp_t *ai; + uint32 w; + + if (BCM47162_DMP()) { + SI_ERROR(("%s: Accessing MIPS DMP register (ioctrl) on 47162a0", + __FUNCTION__)); + return 0; + } + if (BCM5357_DMP()) { + SI_ERROR(("%s: Accessing USB20H DMP register (ioctrl) on 5357\n", + __FUNCTION__)); + return 0; + } + if (BCM4707_DMP()) { + SI_ERROR(("%s: Accessing CHIPCOMMONB DMP register (ioctrl) on 4707\n", + __FUNCTION__)); + return 0; + } + + if (PMU_DMP()) { + SI_ERROR(("%s: Accessing PMU DMP register (ioctrl)\n", + __FUNCTION__)); + return 0; + } + ASSERT(GOODREGS(sii->curwrap)); + ai = sii->curwrap; + + ASSERT((val & ~mask) == 0); + + if (mask || val) { + w = ((R_REG(sii->osh, &ai->ioctrl) & ~mask) | val); + W_REG(sii->osh, &ai->ioctrl, w); + } + + return R_REG(sii->osh, &ai->ioctrl); +} + +uint32 +ai_core_sflags(si_t *sih, uint32 mask, uint32 val) +{ + si_info_t *sii = SI_INFO(sih); + aidmp_t *ai; + uint32 w; + + if (BCM47162_DMP()) { + SI_ERROR(("%s: Accessing MIPS DMP register (iostatus) on 47162a0", + __FUNCTION__)); + return 0; + } + if (BCM5357_DMP()) { + SI_ERROR(("%s: Accessing USB20H DMP register (iostatus) on 5357\n", + __FUNCTION__)); + return 0; + } + if (BCM4707_DMP()) { + SI_ERROR(("%s: Accessing CHIPCOMMONB DMP register (ioctrl) on 4707\n", + __FUNCTION__)); + return 0; + } + if (PMU_DMP()) { + SI_ERROR(("%s: Accessing PMU DMP register (ioctrl)\n", + __FUNCTION__)); + return 0; + } + + ASSERT(GOODREGS(sii->curwrap)); + ai = sii->curwrap; + + ASSERT((val & ~mask) == 0); + ASSERT((mask & ~SISF_CORE_BITS) == 0); + + if (mask || val) { + w = ((R_REG(sii->osh, &ai->iostatus) & ~mask) | val); + W_REG(sii->osh, &ai->iostatus, w); + } + + return R_REG(sii->osh, &ai->iostatus); +} + +#if defined(BCMDBG_PHYDUMP) +/* print interesting aidmp registers */ +void +ai_dumpregs(si_t *sih, struct bcmstrbuf *b) +{ + si_info_t *sii = SI_INFO(sih); + si_cores_info_t *cores_info = (si_cores_info_t *)sii->cores_info; + osl_t *osh; + aidmp_t *ai; + uint i; + + osh = sii->osh; + + for (i = 0; i < sii->numcores; i++) { + si_setcoreidx(&sii->pub, i); + ai = sii->curwrap; + + bcm_bprintf(b, "core 0x%x: \n", cores_info->coreid[i]); + if (BCM47162_DMP()) { + bcm_bprintf(b, "Skipping mips74k in 47162a0\n"); + continue; + } + if (BCM5357_DMP()) { + bcm_bprintf(b, "Skipping usb20h in 5357\n"); + continue; + } + if (BCM4707_DMP()) { + bcm_bprintf(b, "Skipping chipcommonb in 4707\n"); + continue; + } + + if (PMU_DMP()) { + bcm_bprintf(b, "Skipping pmu core\n"); + continue; + } + + bcm_bprintf(b, "ioctrlset 0x%x ioctrlclear 0x%x ioctrl 0x%x iostatus 0x%x" + "ioctrlwidth 0x%x iostatuswidth 0x%x\n" + "resetctrl 0x%x resetstatus 0x%x resetreadid 0x%x resetwriteid 0x%x\n" + "errlogctrl 0x%x errlogdone 0x%x errlogstatus 0x%x" + "errlogaddrlo 0x%x errlogaddrhi 0x%x\n" + "errlogid 0x%x errloguser 0x%x errlogflags 0x%x\n" + "intstatus 0x%x config 0x%x itcr 0x%x\n", + R_REG(osh, &ai->ioctrlset), + R_REG(osh, &ai->ioctrlclear), + R_REG(osh, &ai->ioctrl), + R_REG(osh, &ai->iostatus), + R_REG(osh, &ai->ioctrlwidth), + R_REG(osh, &ai->iostatuswidth), + R_REG(osh, &ai->resetctrl), + R_REG(osh, &ai->resetstatus), + R_REG(osh, &ai->resetreadid), + R_REG(osh, &ai->resetwriteid), + R_REG(osh, &ai->errlogctrl), + R_REG(osh, &ai->errlogdone), + R_REG(osh, &ai->errlogstatus), + R_REG(osh, &ai->errlogaddrlo), + R_REG(osh, &ai->errlogaddrhi), + R_REG(osh, &ai->errlogid), + R_REG(osh, &ai->errloguser), + R_REG(osh, &ai->errlogflags), + R_REG(osh, &ai->intstatus), + R_REG(osh, &ai->config), + R_REG(osh, &ai->itcr)); + } +} +#endif + + +void +ai_enable_backplane_timeouts(si_t *sih) +{ +#ifdef AXI_TIMEOUTS + si_info_t *sii = SI_INFO(sih); + aidmp_t *ai; + int i; + + for (i = 0; i < sii->num_br; ++i) { + ai = (aidmp_t *) sii->br_wrapba[i]; + W_REG(sii->osh, &ai->errlogctrl, (1 << AIELC_TO_ENAB_SHIFT) | + ((AXI_TO_VAL << AIELC_TO_EXP_SHIFT) & AIELC_TO_EXP_MASK)); + } +#endif /* AXI_TIMEOUTS */ +} + +void +ai_clear_backplane_to(si_t *sih) +{ +#ifdef AXI_TIMEOUTS + si_info_t *sii = SI_INFO(sih); + aidmp_t *ai; + int i; + uint32 errlogstatus; + + for (i = 0; i < sii->num_br; ++i) { + ai = (aidmp_t *) sii->br_wrapba[i]; + /* check for backplane timeout & clear backplane hang */ + errlogstatus = R_REG(sii->osh, &ai->errlogstatus); + + if ((errlogstatus & AIELS_TIMEOUT_MASK) != 0) { + /* set ErrDone to clear the condition */ + W_REG(sii->osh, &ai->errlogdone, AIELD_ERRDONE_MASK); + + /* SPINWAIT on errlogstatus timeout status bits */ + while (R_REG(sii->osh, &ai->errlogstatus) & AIELS_TIMEOUT_MASK) + ; + + /* only reset APB Bridge on timeout (not slave error, or dec error) */ + switch (errlogstatus & AIELS_TIMEOUT_MASK) { + case 0x1: + printf("AXI slave error"); + break; + case 0x2: + /* reset APB Bridge */ + OR_REG(sii->osh, &ai->resetctrl, AIRC_RESET); + /* sync write */ + (void)R_REG(sii->osh, &ai->resetctrl); + /* clear Reset bit */ + AND_REG(sii->osh, &ai->resetctrl, ~(AIRC_RESET)); + /* sync write */ + (void)R_REG(sii->osh, &ai->resetctrl); + printf("AXI timeout"); + break; + case 0x3: + printf("AXI decode error"); + break; + default: + ; /* should be impossible */ + } + printf("; APB Bridge %d\n", i); + printf("\t errlog: lo 0x%08x, hi 0x%08x, id 0x%08x, flags 0x%08x", + R_REG(sii->osh, &ai->errlogaddrlo), + R_REG(sii->osh, &ai->errlogaddrhi), + R_REG(sii->osh, &ai->errlogid), + R_REG(sii->osh, &ai->errlogflags)); + printf(", status 0x%08x\n", errlogstatus); + } + } +#endif /* AXI_TIMEOUTS */ +} |