diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/fec.c | 512 |
1 files changed, 12 insertions, 500 deletions
diff --git a/drivers/net/fec.c b/drivers/net/fec.c index fe2650237e34..a515acccc61f 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -57,36 +57,11 @@ #define FEC_ALIGNMENT 0x3 #endif -#if defined CONFIG_M5272 || defined CONFIG_M527x || defined CONFIG_M523x \ - || defined CONFIG_M528x || defined CONFIG_M532x || defined CONFIG_M520x -#define FEC_LEGACY /* * Define the fixed address of the FEC hardware. */ #if defined(CONFIG_M5272) #define HAVE_mii_link_interrupt -#endif - -#if defined(CONFIG_FEC2) -#define FEC_MAX_PORTS 2 -#else -#define FEC_MAX_PORTS 1 -#endif - -static unsigned int fec_hw[] = { -#if defined(CONFIG_M5272) - (MCF_MBAR + 0x840), -#elif defined(CONFIG_M527x) - (MCF_MBAR + 0x1000), - (MCF_MBAR + 0x1800), -#elif defined(CONFIG_M523x) || defined(CONFIG_M528x) - (MCF_MBAR + 0x1000), -#elif defined(CONFIG_M520x) - (MCF_MBAR+0x30000), -#elif defined(CONFIG_M532x) - (MCF_MBAR+0xfc030000), -#endif -}; static unsigned char fec_mac_default[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -109,8 +84,7 @@ static unsigned char fec_mac_default[] = { #else #define FEC_FLASHMAC 0 #endif - -#endif /* FEC_LEGACY */ +#endif /* CONFIG_M5272 */ /* Forward declarations of some structures to support different PHYs */ @@ -1242,89 +1216,14 @@ static phy_info_t const * const phy_info[] = { #ifdef HAVE_mii_link_interrupt static irqreturn_t mii_link_interrupt(int irq, void * dev_id); -#endif -#if defined(CONFIG_M5272) /* - * Code specific to Coldfire 5272 setup. + * This is specific to the MII interrupt setup of the M5272EVB. */ -static void __inline__ fec_request_intrs(struct net_device *dev) +static void __inline__ fec_request_mii_intr(struct net_device *dev) { - volatile unsigned long *icrp; - static const struct idesc { - char *name; - unsigned short irq; - irq_handler_t handler; - } *idp, id[] = { - { "fec(RX)", 86, fec_enet_interrupt }, - { "fec(TX)", 87, fec_enet_interrupt }, - { "fec(OTHER)", 88, fec_enet_interrupt }, - { "fec(MII)", 66, mii_link_interrupt }, - { NULL }, - }; - - /* Setup interrupt handlers. */ - for (idp = id; idp->name; idp++) { - if (request_irq(idp->irq, idp->handler, IRQF_DISABLED, idp->name, dev) != 0) - printk("FEC: Could not allocate %s IRQ(%d)!\n", idp->name, idp->irq); - } - - /* Unmask interrupt at ColdFire 5272 SIM */ - icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR3); - *icrp = 0x00000ddd; - icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1); - *icrp = 0x0d000000; -} - -static void __inline__ fec_set_mii(struct net_device *dev, struct fec_enet_private *fep) -{ - volatile fec_t *fecp; - - fecp = fep->hwp; - fecp->fec_r_cntrl = OPT_FRAME_SIZE | 0x04; - fecp->fec_x_cntrl = 0x00; - - /* - * Set MII speed to 2.5 MHz - * See 5272 manual section 11.5.8: MSCR - */ - fep->phy_speed = ((((MCF_CLK / 4) / (2500000 / 10)) + 5) / 10) * 2; - fecp->fec_mii_speed = fep->phy_speed; - - fec_restart(dev, 0); -} - -static void __inline__ fec_get_mac(struct net_device *dev) -{ - struct fec_enet_private *fep = netdev_priv(dev); - volatile fec_t *fecp; - unsigned char *iap, tmpaddr[ETH_ALEN]; - - fecp = fep->hwp; - - if (FEC_FLASHMAC) { - /* - * Get MAC address from FLASH. - * If it is all 1's or 0's, use the default. - */ - iap = (unsigned char *)FEC_FLASHMAC; - if ((iap[0] == 0) && (iap[1] == 0) && (iap[2] == 0) && - (iap[3] == 0) && (iap[4] == 0) && (iap[5] == 0)) - iap = fec_mac_default; - if ((iap[0] == 0xff) && (iap[1] == 0xff) && (iap[2] == 0xff) && - (iap[3] == 0xff) && (iap[4] == 0xff) && (iap[5] == 0xff)) - iap = fec_mac_default; - } else { - *((unsigned long *) &tmpaddr[0]) = fecp->fec_addr_low; - *((unsigned short *) &tmpaddr[4]) = (fecp->fec_addr_high >> 16); - iap = &tmpaddr[0]; - } - - memcpy(dev->dev_addr, iap, ETH_ALEN); - - /* Adjust MAC if using default MAC address */ - if (iap == fec_mac_default) - dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; + if (request_irq(66, mii_link_interrupt, IRQF_DISABLED, "fec(MII)", dev) != 0) + printk("FEC: Could not allocate fec(MII) IRQ(66)!\n"); } static void __inline__ fec_disable_phy_intr(void) @@ -1342,218 +1241,7 @@ static void __inline__ fec_phy_ack_intr(void) *icrp = 0x0d000000; } -/* ------------------------------------------------------------------------- */ - -#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) - -/* - * Code specific to Coldfire 5230/5231/5232/5234/5235, - * the 5270/5271/5274/5275 and 5280/5282 setups. - */ -static void __inline__ fec_request_intrs(struct net_device *dev) -{ - struct fec_enet_private *fep; - int b; - static const struct idesc { - char *name; - unsigned short irq; - } *idp, id[] = { - { "fec(TXF)", 23 }, - { "fec(RXF)", 27 }, - { "fec(MII)", 29 }, - { NULL }, - }; - - fep = netdev_priv(dev); - b = (fep->index) ? 128 : 64; - - /* Setup interrupt handlers. */ - for (idp = id; idp->name; idp++) { - if (request_irq(b+idp->irq, fec_enet_interrupt, IRQF_DISABLED, idp->name, dev) != 0) - printk("FEC: Could not allocate %s IRQ(%d)!\n", idp->name, b+idp->irq); - } - - /* Unmask interrupts at ColdFire 5280/5282 interrupt controller */ - { - volatile unsigned char *icrp; - volatile unsigned long *imrp; - int i, ilip; - - b = (fep->index) ? MCFICM_INTC1 : MCFICM_INTC0; - icrp = (volatile unsigned char *) (MCF_IPSBAR + b + - MCFINTC_ICR0); - for (i = 23, ilip = 0x28; (i < 36); i++) - icrp[i] = ilip--; - - imrp = (volatile unsigned long *) (MCF_IPSBAR + b + - MCFINTC_IMRH); - *imrp &= ~0x0000000f; - imrp = (volatile unsigned long *) (MCF_IPSBAR + b + - MCFINTC_IMRL); - *imrp &= ~0xff800001; - } - -#if defined(CONFIG_M528x) - /* Set up gpio outputs for MII lines */ - { - volatile u16 *gpio_paspar; - volatile u8 *gpio_pehlpar; - - gpio_paspar = (volatile u16 *) (MCF_IPSBAR + 0x100056); - gpio_pehlpar = (volatile u16 *) (MCF_IPSBAR + 0x100058); - *gpio_paspar |= 0x0f00; - *gpio_pehlpar = 0xc0; - } -#endif - -#if defined(CONFIG_M527x) - /* Set up gpio outputs for MII lines */ - { - volatile u8 *gpio_par_fec; - volatile u16 *gpio_par_feci2c; - - gpio_par_feci2c = (volatile u16 *)(MCF_IPSBAR + 0x100082); - /* Set up gpio outputs for FEC0 MII lines */ - gpio_par_fec = (volatile u8 *)(MCF_IPSBAR + 0x100078); - - *gpio_par_feci2c |= 0x0f00; - *gpio_par_fec |= 0xc0; - -#if defined(CONFIG_FEC2) - /* Set up gpio outputs for FEC1 MII lines */ - gpio_par_fec = (volatile u8 *)(MCF_IPSBAR + 0x100079); - - *gpio_par_feci2c |= 0x00a0; - *gpio_par_fec |= 0xc0; -#endif /* CONFIG_FEC2 */ - } -#endif /* CONFIG_M527x */ -} - -static void __inline__ fec_set_mii(struct net_device *dev, struct fec_enet_private *fep) -{ - volatile fec_t *fecp; - - fecp = fep->hwp; - fecp->fec_r_cntrl = OPT_FRAME_SIZE | 0x04; - fecp->fec_x_cntrl = 0x00; - - /* - * Set MII speed to 2.5 MHz - * See 5282 manual section 17.5.4.7: MSCR - */ - fep->phy_speed = ((((MCF_CLK / 2) / (2500000 / 10)) + 5) / 10) * 2; - fecp->fec_mii_speed = fep->phy_speed; - - fec_restart(dev, 0); -} - -static void __inline__ fec_get_mac(struct net_device *dev) -{ - struct fec_enet_private *fep = netdev_priv(dev); - volatile fec_t *fecp; - unsigned char *iap, tmpaddr[ETH_ALEN]; - - fecp = fep->hwp; - - if (FEC_FLASHMAC) { - /* - * Get MAC address from FLASH. - * If it is all 1's or 0's, use the default. - */ - iap = FEC_FLASHMAC; - if ((iap[0] == 0) && (iap[1] == 0) && (iap[2] == 0) && - (iap[3] == 0) && (iap[4] == 0) && (iap[5] == 0)) - iap = fec_mac_default; - if ((iap[0] == 0xff) && (iap[1] == 0xff) && (iap[2] == 0xff) && - (iap[3] == 0xff) && (iap[4] == 0xff) && (iap[5] == 0xff)) - iap = fec_mac_default; - } else { - *((unsigned long *) &tmpaddr[0]) = fecp->fec_addr_low; - *((unsigned short *) &tmpaddr[4]) = (fecp->fec_addr_high >> 16); - iap = &tmpaddr[0]; - } - - memcpy(dev->dev_addr, iap, ETH_ALEN); - - /* Adjust MAC if using default MAC address */ - if (iap == fec_mac_default) - dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; -} - -static void __inline__ fec_disable_phy_intr(void) -{ -} - -static void __inline__ fec_phy_ack_intr(void) -{ -} - -/* ------------------------------------------------------------------------- */ - -#elif defined(CONFIG_M520x) - -/* - * Code specific to Coldfire 520x - */ -static void __inline__ fec_request_intrs(struct net_device *dev) -{ - struct fec_enet_private *fep; - int b; - static const struct idesc { - char *name; - unsigned short irq; - } *idp, id[] = { - { "fec(TXF)", 23 }, - { "fec(RXF)", 27 }, - { "fec(MII)", 29 }, - { NULL }, - }; - - fep = netdev_priv(dev); - b = 64 + 13; - - /* Setup interrupt handlers. */ - for (idp = id; idp->name; idp++) { - if (request_irq(b+idp->irq, fec_enet_interrupt, IRQF_DISABLED, idp->name,dev) != 0) - printk("FEC: Could not allocate %s IRQ(%d)!\n", idp->name, b+idp->irq); - } - - /* Unmask interrupts at ColdFire interrupt controller */ - { - volatile unsigned char *icrp; - volatile unsigned long *imrp; - - icrp = (volatile unsigned char *) (MCF_IPSBAR + MCFICM_INTC0 + - MCFINTC_ICR0); - for (b = 36; (b < 49); b++) - icrp[b] = 0x04; - imrp = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + - MCFINTC_IMRH); - *imrp &= ~0x0001FFF0; - } - *(volatile unsigned char *)(MCF_IPSBAR + MCF_GPIO_PAR_FEC) |= 0xf0; - *(volatile unsigned char *)(MCF_IPSBAR + MCF_GPIO_PAR_FECI2C) |= 0x0f; -} - -static void __inline__ fec_set_mii(struct net_device *dev, struct fec_enet_private *fep) -{ - volatile fec_t *fecp; - - fecp = fep->hwp; - fecp->fec_r_cntrl = OPT_FRAME_SIZE | 0x04; - fecp->fec_x_cntrl = 0x00; - - /* - * Set MII speed to 2.5 MHz - * See 5282 manual section 17.5.4.7: MSCR - */ - fep->phy_speed = ((((MCF_CLK / 2) / (2500000 / 10)) + 5) / 10) * 2; - fecp->fec_mii_speed = fep->phy_speed; - - fec_restart(dev, 0); -} - +#ifdef CONFIG_M5272 static void __inline__ fec_get_mac(struct net_device *dev) { struct fec_enet_private *fep = netdev_priv(dev); @@ -1567,134 +1255,7 @@ static void __inline__ fec_get_mac(struct net_device *dev) * Get MAC address from FLASH. * If it is all 1's or 0's, use the default. */ - iap = FEC_FLASHMAC; - if ((iap[0] == 0) && (iap[1] == 0) && (iap[2] == 0) && - (iap[3] == 0) && (iap[4] == 0) && (iap[5] == 0)) - iap = fec_mac_default; - if ((iap[0] == 0xff) && (iap[1] == 0xff) && (iap[2] == 0xff) && - (iap[3] == 0xff) && (iap[4] == 0xff) && (iap[5] == 0xff)) - iap = fec_mac_default; - } else { - *((unsigned long *) &tmpaddr[0]) = fecp->fec_addr_low; - *((unsigned short *) &tmpaddr[4]) = (fecp->fec_addr_high >> 16); - iap = &tmpaddr[0]; - } - - memcpy(dev->dev_addr, iap, ETH_ALEN); - - /* Adjust MAC if using default MAC address */ - if (iap == fec_mac_default) - dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; -} - -static void __inline__ fec_disable_phy_intr(void) -{ -} - -static void __inline__ fec_phy_ack_intr(void) -{ -} - -/* ------------------------------------------------------------------------- */ - -#elif defined(CONFIG_M532x) -/* - * Code specific for M532x - */ -static void __inline__ fec_request_intrs(struct net_device *dev) -{ - struct fec_enet_private *fep; - int b; - static const struct idesc { - char *name; - unsigned short irq; - } *idp, id[] = { - { "fec(TXF)", 36 }, - { "fec(RXF)", 40 }, - { "fec(MII)", 42 }, - { NULL }, - }; - - fep = netdev_priv(dev); - b = (fep->index) ? 128 : 64; - - /* Setup interrupt handlers. */ - for (idp = id; idp->name; idp++) { - if (request_irq(b+idp->irq, fec_enet_interrupt, IRQF_DISABLED, idp->name,dev) != 0) - printk("FEC: Could not allocate %s IRQ(%d)!\n", - idp->name, b+idp->irq); - } - - /* Unmask interrupts */ - MCF_INTC0_ICR36 = 0x2; - MCF_INTC0_ICR37 = 0x2; - MCF_INTC0_ICR38 = 0x2; - MCF_INTC0_ICR39 = 0x2; - MCF_INTC0_ICR40 = 0x2; - MCF_INTC0_ICR41 = 0x2; - MCF_INTC0_ICR42 = 0x2; - MCF_INTC0_ICR43 = 0x2; - MCF_INTC0_ICR44 = 0x2; - MCF_INTC0_ICR45 = 0x2; - MCF_INTC0_ICR46 = 0x2; - MCF_INTC0_ICR47 = 0x2; - MCF_INTC0_ICR48 = 0x2; - - MCF_INTC0_IMRH &= ~( - MCF_INTC_IMRH_INT_MASK36 | - MCF_INTC_IMRH_INT_MASK37 | - MCF_INTC_IMRH_INT_MASK38 | - MCF_INTC_IMRH_INT_MASK39 | - MCF_INTC_IMRH_INT_MASK40 | - MCF_INTC_IMRH_INT_MASK41 | - MCF_INTC_IMRH_INT_MASK42 | - MCF_INTC_IMRH_INT_MASK43 | - MCF_INTC_IMRH_INT_MASK44 | - MCF_INTC_IMRH_INT_MASK45 | - MCF_INTC_IMRH_INT_MASK46 | - MCF_INTC_IMRH_INT_MASK47 | - MCF_INTC_IMRH_INT_MASK48 ); - - /* Set up gpio outputs for MII lines */ - MCF_GPIO_PAR_FECI2C |= (0 | - MCF_GPIO_PAR_FECI2C_PAR_MDC_EMDC | - MCF_GPIO_PAR_FECI2C_PAR_MDIO_EMDIO); - MCF_GPIO_PAR_FEC = (0 | - MCF_GPIO_PAR_FEC_PAR_FEC_7W_FEC | - MCF_GPIO_PAR_FEC_PAR_FEC_MII_FEC); -} - -static void __inline__ fec_set_mii(struct net_device *dev, struct fec_enet_private *fep) -{ - volatile fec_t *fecp; - - fecp = fep->hwp; - fecp->fec_r_cntrl = OPT_FRAME_SIZE | 0x04; - fecp->fec_x_cntrl = 0x00; - - /* - * Set MII speed to 2.5 MHz - */ - fep->phy_speed = (MCF_CLK / 3) / (2500000 * 2 ) * 2; - fecp->fec_mii_speed = fep->phy_speed; - - fec_restart(dev, 0); -} - -static void __inline__ fec_get_mac(struct net_device *dev) -{ - struct fec_enet_private *fep = netdev_priv(dev); - volatile fec_t *fecp; - unsigned char *iap, tmpaddr[ETH_ALEN]; - - fecp = fep->hwp; - - if (FEC_FLASHMAC) { - /* - * Get MAC address from FLASH. - * If it is all 1's or 0's, use the default. - */ - iap = FEC_FLASHMAC; + iap = (unsigned char *)FEC_FLASHMAC; if ((iap[0] == 0) && (iap[1] == 0) && (iap[2] == 0) && (iap[3] == 0) && (iap[4] == 0) && (iap[5] == 0)) iap = fec_mac_default; @@ -1711,17 +1272,8 @@ static void __inline__ fec_get_mac(struct net_device *dev) /* Adjust MAC if using default MAC address */ if (iap == fec_mac_default) - dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; -} - -static void __inline__ fec_disable_phy_intr(void) -{ -} - -static void __inline__ fec_phy_ack_intr(void) -{ + dev->dev_addr[ETH_ALEN-1] = fec_mac_default[ETH_ALEN-1] + fep->index; } - #endif /* ------------------------------------------------------------------------- */ @@ -1927,7 +1479,7 @@ mii_discover_phy(uint mii_reg, struct net_device *dev) printk("FEC: No PHY device found.\n"); /* Disable external MII interface */ fecp->fec_mii_speed = fep->phy_speed = 0; -#ifdef FREC_LEGACY +#ifdef HAVE_mii_link_interrupt fec_disable_phy_intr(); #endif } @@ -2151,7 +1703,7 @@ int __init fec_enet_init(struct net_device *dev, int index) udelay(10); /* Set the Ethernet address */ -#ifdef FEC_LEGACY +#ifdef CONFIG_M5272 fec_get_mac(dev); #else { @@ -2235,11 +1787,8 @@ int __init fec_enet_init(struct net_device *dev, int index) fecp->fec_x_des_start = (unsigned long)fep->bd_dma + sizeof(cbd_t) * RX_RING_SIZE; -#ifdef FEC_LEGACY - /* Install our interrupt handlers. This varies depending on - * the architecture. - */ - fec_request_intrs(dev); +#ifdef HAVE_mii_link_interrupt + fec_request_mii_intr(dev); #endif fecp->fec_grp_hash_table_high = 0; @@ -2265,9 +1814,6 @@ int __init fec_enet_init(struct net_device *dev, int index) mii_free = mii_cmds; /* setup MII interface */ -#ifdef FEC_LEGACY - fec_set_mii(dev, fep); -#else fecp->fec_r_cntrl = OPT_FRAME_SIZE | 0x04; fecp->fec_x_cntrl = 0x00; @@ -2278,7 +1824,6 @@ int __init fec_enet_init(struct net_device *dev, int index) / 2500000) / 2) & 0x3F) << 1; fecp->fec_mii_speed = fep->phy_speed; fec_restart(dev, 0); -#endif /* Clear and enable interrupts */ fecp->fec_ievent = 0xffc00000; @@ -2442,36 +1987,6 @@ fec_stop(struct net_device *dev) fecp->fec_mii_speed = fep->phy_speed; } -#ifdef FEC_LEGACY -static int __init fec_enet_module_init(void) -{ - struct net_device *dev; - int i, err; - - printk("FEC ENET Version 0.2\n"); - - for (i = 0; (i < FEC_MAX_PORTS); i++) { - dev = alloc_etherdev(sizeof(struct fec_enet_private)); - if (!dev) - return -ENOMEM; - dev->base_addr = (unsigned long)fec_hw[i]; - err = fec_enet_init(dev, i); - if (err) { - free_netdev(dev); - continue; - } - if (register_netdev(dev) != 0) { - /* XXX: missing cleanup here */ - free_netdev(dev); - return -EIO; - } - - printk("%s: ethernet %pM\n", dev->name, dev->dev_addr); - } - return 0; -} -#else - static int __devinit fec_probe(struct platform_device *pdev) { @@ -2632,9 +2147,6 @@ fec_enet_cleanup(void) } module_exit(fec_enet_cleanup); - -#endif /* FEC_LEGACY */ - module_init(fec_enet_module_init); MODULE_LICENSE("GPL"); |