diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/siutils.c')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/siutils.c | 203 |
1 files changed, 199 insertions, 4 deletions
diff --git a/drivers/net/wireless/bcmdhd/siutils.c b/drivers/net/wireless/bcmdhd/siutils.c index 22aa41265763..a655ac4ef141 100644 --- a/drivers/net/wireless/bcmdhd/siutils.c +++ b/drivers/net/wireless/bcmdhd/siutils.c @@ -22,7 +22,7 @@ * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * - * $Id: siutils.c,v 1.813.2.36 2011-02-10 23:43:55 Exp $ + * $Id: siutils.c,v 1.813.2.36 2011-02-10 23:43:55 $ */ #include <typedefs.h> @@ -213,11 +213,11 @@ si_buscore_setup(si_info_t *sii, chipcregs_t *cc, uint bustype, uint32 savewin, /* figure out bus/orignal core idx */ sii->pub.buscoretype = NODEV_CORE_ID; - sii->pub.buscorerev = NOREV; + sii->pub.buscorerev = (uint)NOREV; sii->pub.buscoreidx = BADIDX; pci = pcie = FALSE; - pcirev = pcierev = NOREV; + pcirev = pcierev = (uint)NOREV; pciidx = pcieidx = BADIDX; for (i = 0; i < sii->numcores; i++) { @@ -365,6 +365,19 @@ si_doattach(si_info_t *sii, uint devid, osl_t *osh, void *regs, return NULL; } +#if defined(HW_OOB) + if (CHIPID(sih->chip) == BCM43362_CHIP_ID) { + uint32 gpiocontrol, addr; + addr = SI_ENUM_BASE + OFFSETOF(chipcregs_t, gpiocontrol); + gpiocontrol = bcmsdh_reg_read(sdh, addr, 4); + gpiocontrol |= 0x2; + bcmsdh_reg_write(sdh, addr, 4, gpiocontrol); + bcmsdh_cfg_write(sdh, SDIO_FUNC_1, 0x10005, 0xf, NULL); + bcmsdh_cfg_write(sdh, SDIO_FUNC_1, 0x10006, 0x0, NULL); + bcmsdh_cfg_write(sdh, SDIO_FUNC_1, 0x10007, 0x2, NULL); + } +#endif + if ((CHIPID(sih->chip) == BCM4329_CHIP_ID) && (sih->chiprev == 0) && (sih->chippkg != BCM4329_289PIN_PKG_ID)) { sih->chippkg = BCM4329_182PIN_PKG_ID; @@ -401,8 +414,9 @@ si_doattach(si_info_t *sii, uint devid, osl_t *osh, void *regs, } /* assume current core is CC */ - if ((sii->pub.ccrev == 0x25) && ((CHIPID(sih->chip) == BCM43236_CHIP_ID || + if ((sii->pub.ccrev == 0x25) && ((CHIPID(sih->chip) == BCM43234_CHIP_ID || CHIPID(sih->chip) == BCM43235_CHIP_ID || + CHIPID(sih->chip) == BCM43236_CHIP_ID || CHIPID(sih->chip) == BCM43238_CHIP_ID) && (CHIPREV(sii->pub.chiprev) == 0))) { @@ -1093,6 +1107,126 @@ si_watchdog_ms(si_t *sih, uint32 ms) +/* return the slow clock source - LPO, XTAL, or PCI */ +static uint +si_slowclk_src(si_info_t *sii) +{ + chipcregs_t *cc; + + ASSERT(SI_FAST(sii) || si_coreid(&sii->pub) == CC_CORE_ID); + + if (sii->pub.ccrev < 6) { + if ((BUSTYPE(sii->pub.bustype) == PCI_BUS) && + (OSL_PCI_READ_CONFIG(sii->osh, PCI_GPIO_OUT, sizeof(uint32)) & + PCI_CFG_GPIO_SCS)) + return (SCC_SS_PCI); + else + return (SCC_SS_XTAL); + } else if (sii->pub.ccrev < 10) { + cc = (chipcregs_t *)si_setcoreidx(&sii->pub, sii->curidx); + return (R_REG(sii->osh, &cc->slow_clk_ctl) & SCC_SS_MASK); + } else /* Insta-clock */ + return (SCC_SS_XTAL); +} + +/* return the ILP (slowclock) min or max frequency */ +static uint +si_slowclk_freq(si_info_t *sii, bool max_freq, chipcregs_t *cc) +{ + uint32 slowclk; + uint div; + + ASSERT(SI_FAST(sii) || si_coreid(&sii->pub) == CC_CORE_ID); + + /* shouldn't be here unless we've established the chip has dynamic clk control */ + ASSERT(R_REG(sii->osh, &cc->capabilities) & CC_CAP_PWR_CTL); + + slowclk = si_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(sii->osh, &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(sii->osh, &cc->system_clk_ctl) >> SYCC_CD_SHIFT; + div = 4 * (div + 1); + return (max_freq ? XTALMAXFREQ : (XTALMINFREQ / div)); + } + return (0); +} + +static void +si_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 = si_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 = si_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(sii->osh, &cc->pll_on_delay, pll_on_delay); + W_REG(sii->osh, &cc->fref_sel_delay, fref_sel_delay); +} + +/* initialize power control delay registers */ +void +si_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; + if ((cc = (chipcregs_t *)si_setcore(sih, CC_CORE_ID, 0)) == NULL) + return; + } else if ((cc = (chipcregs_t *)CCREGS_FAST(sii)) == NULL) + return; + ASSERT(cc != NULL); + + /* set all Instaclk chip ILP to 1 MHz */ + if (sih->ccrev >= 10) + SET_REG(sii->osh, &cc->system_clk_ctl, SYCC_CD_MASK, + (ILP_DIV_1MHZ << SYCC_CD_SHIFT)); + + si_clkctl_setdelay(sii, (void *)(uintptr)cc); + + if (!fast) + si_setcoreidx(sih, origidx); +} + /* change logical "focus" to the gpio core for optimized access */ void * si_gpiosetcore(si_t *sih) @@ -1718,3 +1852,64 @@ si_deviceremoved(si_t *sih) } return FALSE; } + +bool +si_is_sprom_available(si_t *sih) +{ + if (sih->ccrev >= 31) { + si_info_t *sii; + uint origidx; + chipcregs_t *cc; + uint32 sromctrl; + + if ((sih->cccaps & CC_CAP_SROM) == 0) + return FALSE; + + sii = SI_INFO(sih); + origidx = sii->curidx; + cc = si_setcoreidx(sih, SI_CC_IDX); + sromctrl = R_REG(sii->osh, &cc->sromcontrol); + si_setcoreidx(sih, origidx); + return (sromctrl & SRC_PRESENT); + } + + switch (CHIPID(sih->chip)) { + case BCM4312_CHIP_ID: + return ((sih->chipst & CST4312_SPROM_OTP_SEL_MASK) != CST4312_OTP_SEL); + case BCM4325_CHIP_ID: + return (sih->chipst & CST4325_SPROM_SEL) != 0; + case BCM4322_CHIP_ID: + case BCM43221_CHIP_ID: + case BCM43231_CHIP_ID: + case BCM43222_CHIP_ID: + case BCM43111_CHIP_ID: + case BCM43112_CHIP_ID: + case BCM4342_CHIP_ID: + { + uint32 spromotp; + spromotp = (sih->chipst & CST4322_SPROM_OTP_SEL_MASK) >> + CST4322_SPROM_OTP_SEL_SHIFT; + return (spromotp & CST4322_SPROM_PRESENT) != 0; + } + case BCM4329_CHIP_ID: + return (sih->chipst & CST4329_SPROM_SEL) != 0; + case BCM4315_CHIP_ID: + return (sih->chipst & CST4315_SPROM_SEL) != 0; + case BCM4319_CHIP_ID: + return (sih->chipst & CST4319_SPROM_SEL) != 0; + + case BCM4336_CHIP_ID: + case BCM43362_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 BCM43239_CHIP_ID: + return ((sih->chipst & CST43239_SPROM_MASK) && + !(sih->chipst & CST43239_SFLASH_MASK)); + default: + return TRUE; + } +} |