X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fnet%2Fsk98lin%2Fskxmac2.c;h=42d2d963150abb8b22ed99293aaeccbb93c58db6;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=b4e75022a657f5b125fca3056fe1672a6aeb0517;hpb=f7ed79d23a47594e7834d66a8f14449796d4f3e6;p=linux-2.6.git diff --git a/drivers/net/sk98lin/skxmac2.c b/drivers/net/sk98lin/skxmac2.c index b4e75022a..42d2d9631 100644 --- a/drivers/net/sk98lin/skxmac2.c +++ b/drivers/net/sk98lin/skxmac2.c @@ -41,13 +41,13 @@ static const char SysKonnectFileId[] = #endif #ifdef GENESIS -static BCOM_HACK BcomRegA1Hack[] = { +BCOM_HACK BcomRegA1Hack[] = { { 0x18, 0x0c20 }, { 0x17, 0x0012 }, { 0x15, 0x1104 }, { 0x17, 0x0013 }, { 0x15, 0x0404 }, { 0x17, 0x8006 }, { 0x15, 0x0132 }, { 0x17, 0x8006 }, { 0x15, 0x0232 }, { 0x17, 0x800D }, { 0x15, 0x000F }, { 0x18, 0x0420 }, { 0, 0 } }; -static BCOM_HACK BcomRegC0Hack[] = { +BCOM_HACK BcomRegC0Hack[] = { { 0x18, 0x0c20 }, { 0x17, 0x0012 }, { 0x15, 0x1204 }, { 0x17, 0x0013 }, { 0x15, 0x0A04 }, { 0x18, 0x0420 }, { 0, 0 } @@ -790,7 +790,7 @@ int Port) /* Port Index (MAC_1 + n) */ * Returns: * nothing */ -static void SkMacFlushRxFifo( +void SkMacFlushRxFifo( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ @@ -1231,6 +1231,38 @@ int Port) /* Port Index (MAC_1 + n) */ } /* SkMacHardRst */ +/****************************************************************************** + * + * SkMacClearRst() - Clear the MAC reset + * + * Description: calls a clear MAC reset routine dep. on board type + * + * Returns: + * nothing + */ +void SkMacClearRst( +SK_AC *pAC, /* adapter context */ +SK_IOC IoC, /* IO context */ +int Port) /* Port Index (MAC_1 + n) */ +{ + +#ifdef GENESIS + if (pAC->GIni.GIGenesis) { + + SkXmClearRst(pAC, IoC, Port); + } +#endif /* GENESIS */ + +#ifdef YUKON + if (pAC->GIni.GIYukon) { + + SkGmClearRst(pAC, IoC, Port); + } +#endif /* YUKON */ + +} /* SkMacClearRst */ + + #ifdef GENESIS /****************************************************************************** * @@ -1681,7 +1713,7 @@ int Port) /* Port Index (MAC_1 + n) */ * Returns: * nothing */ -static void SkXmInitDupMd( +void SkXmInitDupMd( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ @@ -1729,7 +1761,7 @@ int Port) /* Port Index (MAC_1 + n) */ * Returns: * nothing */ -static void SkXmInitPauseMd( +void SkXmInitPauseMd( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ @@ -2044,7 +2076,283 @@ SK_BOOL DoLoop) /* Should a Phy LoopBack be set-up? */ } /* SkXmInitPhyBcom */ #endif /* GENESIS */ + #ifdef YUKON +#ifndef SK_SLIM +/****************************************************************************** + * + * SkGmEnterLowPowerMode() + * + * Description: + * This function sets the Marvell Alaska PHY to the low power mode + * given by parameter mode. + * The following low power modes are available: + * + * - Coma Mode (Deep Sleep): + * Power consumption: ~15 - 30 mW + * The PHY cannot wake up on its own. + * + * - IEEE 22.2.4.1.5 compatible power down mode + * Power consumption: ~240 mW + * The PHY cannot wake up on its own. + * + * - energy detect mode + * Power consumption: ~160 mW + * The PHY can wake up on its own by detecting activity + * on the CAT 5 cable. + * + * - energy detect plus mode + * Power consumption: ~150 mW + * The PHY can wake up on its own by detecting activity + * on the CAT 5 cable. + * Connected devices can be woken up by sending normal link + * pulses every one second. + * + * Note: + * + * Returns: + * 0: ok + * 1: error + */ +int SkGmEnterLowPowerMode( +SK_AC *pAC, /* adapter context */ +SK_IOC IoC, /* IO context */ +int Port, /* Port Index (e.g. MAC_1) */ +SK_U8 Mode) /* low power mode */ +{ + SK_U16 Word; + SK_U32 DWord; + SK_U8 LastMode; + int Ret = 0; + + if (pAC->GIni.GIYukonLite && + pAC->GIni.GIChipRev >= CHIP_REV_YU_LITE_A3) { + + /* save current power mode */ + LastMode = pAC->GIni.GP[Port].PPhyPowerState; + pAC->GIni.GP[Port].PPhyPowerState = Mode; + + switch (Mode) { + /* coma mode (deep sleep) */ + case PHY_PM_DEEP_SLEEP: + /* setup General Purpose Control Register */ + GM_OUT16(IoC, 0, GM_GP_CTRL, GM_GPCR_FL_PASS | + GM_GPCR_SPEED_100 | GM_GPCR_AU_ALL_DIS); + + /* apply COMA mode workaround */ + SkGmPhyWrite(pAC, IoC, Port, 29, 0x001f); + SkGmPhyWrite(pAC, IoC, Port, 30, 0xfff3); + + SK_IN32(IoC, PCI_C(PCI_OUR_REG_1), &DWord); + + SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_ON); + + /* Set PHY to Coma Mode */ + SK_OUT32(IoC, PCI_C(PCI_OUR_REG_1), DWord | PCI_PHY_COMA); + + SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + + break; + + /* IEEE 22.2.4.1.5 compatible power down mode */ + case PHY_PM_IEEE_POWER_DOWN: + /* + * - disable MAC 125 MHz clock + * - allow MAC power down + */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word); + Word |= PHY_M_PC_DIS_125CLK; + Word &= ~PHY_M_PC_MAC_POW_UP; + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word); + + /* + * register changes must be followed by a software + * reset to take effect + */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &Word); + Word |= PHY_CT_RESET; + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, Word); + + /* switch IEEE compatible power down mode on */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &Word); + Word |= PHY_CT_PDOWN; + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, Word); + break; + + /* energy detect and energy detect plus mode */ + case PHY_PM_ENERGY_DETECT: + case PHY_PM_ENERGY_DETECT_PLUS: + /* + * - disable MAC 125 MHz clock + */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word); + Word |= PHY_M_PC_DIS_125CLK; + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word); + + /* activate energy detect mode 1 */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word); + + /* energy detect mode */ + if (Mode == PHY_PM_ENERGY_DETECT) { + Word |= PHY_M_PC_EN_DET; + } + /* energy detect plus mode */ + else { + Word |= PHY_M_PC_EN_DET_PLUS; + } + + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word); + + /* + * reinitialize the PHY to force a software reset + * which is necessary after the register settings + * for the energy detect modes. + * Furthermore reinitialisation prevents that the + * PHY is running out of a stable state. + */ + SkGmInitPhyMarv(pAC, IoC, Port, SK_FALSE); + break; + + /* don't change current power mode */ + default: + pAC->GIni.GP[Port].PPhyPowerState = LastMode; + Ret = 1; + break; + } + } + /* low power modes are not supported by this chip */ + else { + Ret = 1; + } + + return(Ret); + +} /* SkGmEnterLowPowerMode */ + +/****************************************************************************** + * + * SkGmLeaveLowPowerMode() + * + * Description: + * Leave the current low power mode and switch to normal mode + * + * Note: + * + * Returns: + * 0: ok + * 1: error + */ +int SkGmLeaveLowPowerMode( +SK_AC *pAC, /* adapter context */ +SK_IOC IoC, /* IO context */ +int Port) /* Port Index (e.g. MAC_1) */ +{ + SK_U32 DWord; + SK_U16 Word; + SK_U8 LastMode; + int Ret = 0; + + if (pAC->GIni.GIYukonLite && + pAC->GIni.GIChipRev >= CHIP_REV_YU_LITE_A3) { + + /* save current power mode */ + LastMode = pAC->GIni.GP[Port].PPhyPowerState; + pAC->GIni.GP[Port].PPhyPowerState = PHY_PM_OPERATIONAL_MODE; + + switch (LastMode) { + /* coma mode (deep sleep) */ + case PHY_PM_DEEP_SLEEP: + SK_IN32(IoC, PCI_C(PCI_OUR_REG_1), &DWord); + + SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_ON); + + /* Release PHY from Coma Mode */ + SK_OUT32(IoC, PCI_C(PCI_OUR_REG_1), DWord & ~PCI_PHY_COMA); + + SK_OUT8(IoC, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + + SK_IN32(IoC, B2_GP_IO, &DWord); + + /* set to output */ + DWord |= (GP_DIR_9 | GP_IO_9); + + /* set PHY reset */ + SK_OUT32(IoC, B2_GP_IO, DWord); + + DWord &= ~GP_IO_9; /* clear PHY reset (active high) */ + + /* clear PHY reset */ + SK_OUT32(IoC, B2_GP_IO, DWord); + break; + + /* IEEE 22.2.4.1.5 compatible power down mode */ + case PHY_PM_IEEE_POWER_DOWN: + /* + * - enable MAC 125 MHz clock + * - set MAC power up + */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word); + Word &= ~PHY_M_PC_DIS_125CLK; + Word |= PHY_M_PC_MAC_POW_UP; + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word); + + /* + * register changes must be followed by a software + * reset to take effect + */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &Word); + Word |= PHY_CT_RESET; + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, Word); + + /* switch IEEE compatible power down mode off */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_CTRL, &Word); + Word &= ~PHY_CT_PDOWN; + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_CTRL, Word); + break; + + /* energy detect and energy detect plus mode */ + case PHY_PM_ENERGY_DETECT: + case PHY_PM_ENERGY_DETECT_PLUS: + /* + * - enable MAC 125 MHz clock + */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word); + Word &= ~PHY_M_PC_DIS_125CLK; + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word); + + /* disable energy detect mode */ + SkGmPhyRead(pAC, IoC, Port, PHY_MARV_PHY_CTRL, &Word); + Word &= ~PHY_M_PC_EN_DET_MSK; + SkGmPhyWrite(pAC, IoC, Port, PHY_MARV_PHY_CTRL, Word); + + /* + * reinitialize the PHY to force a software reset + * which is necessary after the register settings + * for the energy detect modes. + * Furthermore reinitialisation prevents that the + * PHY is running out of a stable state. + */ + SkGmInitPhyMarv(pAC, IoC, Port, SK_FALSE); + break; + + /* don't change current power mode */ + default: + pAC->GIni.GP[Port].PPhyPowerState = LastMode; + Ret = 1; + break; + } + } + /* low power modes are not supported by this chip */ + else { + Ret = 1; + } + + return(Ret); + +} /* SkGmLeaveLowPowerMode */ +#endif /* !SK_SLIM */ + + /****************************************************************************** * * SkGmInitPhyMarv() - Initialize the Marvell Phy registers @@ -3112,6 +3420,145 @@ int Port) /* Port Index (MAC_1 + n) */ } /* SkMacAutoNegDone */ +#ifdef GENESIS +/****************************************************************************** + * + * SkXmSetRxTxEn() - Special Set Rx/Tx Enable and some features in XMAC + * + * Description: + * sets MAC or PHY LoopBack and Duplex Mode in the MMU Command Reg. + * enables Rx/Tx + * + * Returns: N/A + */ +static void SkXmSetRxTxEn( +SK_AC *pAC, /* Adapter Context */ +SK_IOC IoC, /* IO context */ +int Port, /* Port Index (MAC_1 + n) */ +int Para) /* Parameter to set: MAC or PHY LoopBack, Duplex Mode */ +{ + SK_U16 Word; + + XM_IN16(IoC, Port, XM_MMU_CMD, &Word); + + switch (Para & (SK_MAC_LOOPB_ON | SK_MAC_LOOPB_OFF)) { + case SK_MAC_LOOPB_ON: + Word |= XM_MMU_MAC_LB; + break; + case SK_MAC_LOOPB_OFF: + Word &= ~XM_MMU_MAC_LB; + break; + } + + switch (Para & (SK_PHY_LOOPB_ON | SK_PHY_LOOPB_OFF)) { + case SK_PHY_LOOPB_ON: + Word |= XM_MMU_GMII_LOOP; + break; + case SK_PHY_LOOPB_OFF: + Word &= ~XM_MMU_GMII_LOOP; + break; + } + + switch (Para & (SK_PHY_FULLD_ON | SK_PHY_FULLD_OFF)) { + case SK_PHY_FULLD_ON: + Word |= XM_MMU_GMII_FD; + break; + case SK_PHY_FULLD_OFF: + Word &= ~XM_MMU_GMII_FD; + break; + } + + XM_OUT16(IoC, Port, XM_MMU_CMD, Word | XM_MMU_ENA_RX | XM_MMU_ENA_TX); + + /* dummy read to ensure writing */ + XM_IN16(IoC, Port, XM_MMU_CMD, &Word); + +} /* SkXmSetRxTxEn */ +#endif /* GENESIS */ + + +#ifdef YUKON +/****************************************************************************** + * + * SkGmSetRxTxEn() - Special Set Rx/Tx Enable and some features in GMAC + * + * Description: + * sets MAC LoopBack and Duplex Mode in the General Purpose Control Reg. + * enables Rx/Tx + * + * Returns: N/A + */ +static void SkGmSetRxTxEn( +SK_AC *pAC, /* Adapter Context */ +SK_IOC IoC, /* IO context */ +int Port, /* Port Index (MAC_1 + n) */ +int Para) /* Parameter to set: MAC LoopBack, Duplex Mode */ +{ + SK_U16 Ctrl; + + GM_IN16(IoC, Port, GM_GP_CTRL, &Ctrl); + + switch (Para & (SK_MAC_LOOPB_ON | SK_MAC_LOOPB_OFF)) { + case SK_MAC_LOOPB_ON: + Ctrl |= GM_GPCR_LOOP_ENA; + break; + case SK_MAC_LOOPB_OFF: + Ctrl &= ~GM_GPCR_LOOP_ENA; + break; + } + + switch (Para & (SK_PHY_FULLD_ON | SK_PHY_FULLD_OFF)) { + case SK_PHY_FULLD_ON: + Ctrl |= GM_GPCR_DUP_FULL; + break; + case SK_PHY_FULLD_OFF: + Ctrl &= ~GM_GPCR_DUP_FULL; + break; + } + + GM_OUT16(IoC, Port, GM_GP_CTRL, (SK_U16)(Ctrl | GM_GPCR_RX_ENA | + GM_GPCR_TX_ENA)); + + /* dummy read to ensure writing */ + GM_IN16(IoC, Port, GM_GP_CTRL, &Ctrl); + +} /* SkGmSetRxTxEn */ +#endif /* YUKON */ + + +#ifndef SK_SLIM +/****************************************************************************** + * + * SkMacSetRxTxEn() - Special Set Rx/Tx Enable and parameters + * + * Description: calls the Special Set Rx/Tx Enable routines dep. on board type + * + * Returns: N/A + */ +void SkMacSetRxTxEn( +SK_AC *pAC, /* Adapter Context */ +SK_IOC IoC, /* IO context */ +int Port, /* Port Index (MAC_1 + n) */ +int Para) +{ +#ifdef GENESIS + if (pAC->GIni.GIGenesis) { + + SkXmSetRxTxEn(pAC, IoC, Port, Para); + } +#endif /* GENESIS */ + +#ifdef YUKON + if (pAC->GIni.GIYukon) { + + SkGmSetRxTxEn(pAC, IoC, Port, Para); + } +#endif /* YUKON */ + +} /* SkMacSetRxTxEn */ +#endif /* !SK_SLIM */ + + /****************************************************************************** * * SkMacRxTxEnable() - Enable Rx/Tx activity if port is up @@ -3529,7 +3976,7 @@ SK_U16 PhyStat) /* PHY Status word to analyse */ * Returns: * nothing */ -static void SkXmIrq( +void SkXmIrq( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */ @@ -3665,7 +4112,7 @@ int Port) /* Port Index (MAC_1 + n) */ * Returns: * nothing */ -static void SkGmIrq( +void SkGmIrq( SK_AC *pAC, /* adapter context */ SK_IOC IoC, /* IO context */ int Port) /* Port Index (MAC_1 + n) */