diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/sh_eth.c | 411 | ||||
| -rw-r--r-- | drivers/net/sh_eth.h | 226 |
2 files changed, 386 insertions, 251 deletions
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index 728c4196830a..19571f759610 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -2,7 +2,7 @@ * SuperH Ethernet device driver * * Copyright (C) 2006-2008 Nobuhiro Iwamatsu - * Copyright (C) 2008 Renesas Solutions Corp. + * Copyright (C) 2008-2009 Renesas Solutions Corp. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -33,6 +33,176 @@ #include "sh_eth.h" +/* There is CPU dependent code */ +#if defined(CONFIG_CPU_SUBTYPE_SH7763) +#define SH_ETH_HAS_TSU 1 +static void sh_eth_chip_reset(struct net_device *ndev) +{ + /* reset device */ + ctrl_outl(ARSTR_ARSTR, ARSTR); + mdelay(1); +} + +static void sh_eth_reset(struct net_device *ndev) +{ + u32 ioaddr = ndev->base_addr; + int cnt = 100; + + ctrl_outl(EDSR_ENALL, ioaddr + EDSR); + ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR); + while (cnt > 0) { + if (!(ctrl_inl(ioaddr + EDMR) & 0x3)) + break; + mdelay(1); + cnt--; + } + if (cnt < 0) + printk(KERN_ERR "Device reset fail\n"); + + /* Table Init */ + ctrl_outl(0x0, ioaddr + TDLAR); + ctrl_outl(0x0, ioaddr + TDFAR); + ctrl_outl(0x0, ioaddr + TDFXR); + ctrl_outl(0x0, ioaddr + TDFFR); + ctrl_outl(0x0, ioaddr + RDLAR); + ctrl_outl(0x0, ioaddr + RDFAR); + ctrl_outl(0x0, ioaddr + RDFXR); + ctrl_outl(0x0, ioaddr + RDFFR); +} + +static void sh_eth_set_duplex(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + u32 ioaddr = ndev->base_addr; + + if (mdp->duplex) /* Full */ + ctrl_outl(ctrl_inl(ioaddr + ECMR) | ECMR_DM, ioaddr + ECMR); + else /* Half */ + ctrl_outl(ctrl_inl(ioaddr + ECMR) & ~ECMR_DM, ioaddr + ECMR); +} + +static void sh_eth_set_rate(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + u32 ioaddr = ndev->base_addr; + + switch (mdp->speed) { + case 10: /* 10BASE */ + ctrl_outl(GECMR_10, ioaddr + GECMR); + break; + case 100:/* 100BASE */ + ctrl_outl(GECMR_100, ioaddr + GECMR); + break; + case 1000: /* 1000BASE */ + ctrl_outl(GECMR_1000, ioaddr + GECMR); + break; + default: + break; + } +} + +/* sh7763 */ +static struct sh_eth_cpu_data sh_eth_my_cpu_data = { + .chip_reset = sh_eth_chip_reset, + .set_duplex = sh_eth_set_duplex, + .set_rate = sh_eth_set_rate, + + .ecsr_value = ECSR_ICD | ECSR_MPD, + .ecsipr_value = ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP, + .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, + + .tx_check = EESR_TC1 | EESR_FTC, + .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \ + EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \ + EESR_ECI, + .tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \ + EESR_TFE, + + .apr = 1, + .mpr = 1, + .tpauser = 1, + .bculr = 1, + .hw_swap = 1, + .rpadir = 1, + .no_trimd = 1, + .no_ade = 1, +}; + +#elif defined(CONFIG_CPU_SUBTYPE_SH7619) +#define SH_ETH_RESET_DEFAULT 1 +static struct sh_eth_cpu_data sh_eth_my_cpu_data = { + .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, + + .apr = 1, + .mpr = 1, + .tpauser = 1, + .hw_swap = 1, +}; +#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712) +#define SH_ETH_RESET_DEFAULT 1 +#define SH_ETH_HAS_TSU 1 +static struct sh_eth_cpu_data sh_eth_my_cpu_data = { + .eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff, +}; +#endif + +static void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd) +{ + if (!cd->ecsr_value) + cd->ecsr_value = DEFAULT_ECSR_INIT; + + if (!cd->ecsipr_value) + cd->ecsipr_value = DEFAULT_ECSIPR_INIT; + + if (!cd->fcftr_value) + cd->fcftr_value = DEFAULT_FIFO_F_D_RFF | \ + DEFAULT_FIFO_F_D_RFD; + + if (!cd->fdr_value) + cd->fdr_value = DEFAULT_FDR_INIT; + + if (!cd->rmcr_value) + cd->rmcr_value = DEFAULT_RMCR_VALUE; + + if (!cd->tx_check) + cd->tx_check = DEFAULT_TX_CHECK; + + if (!cd->eesr_err_check) + cd->eesr_err_check = DEFAULT_EESR_ERR_CHECK; + + if (!cd->tx_error_check) + cd->tx_error_check = DEFAULT_TX_ERROR_CHECK; +} + +#if defined(SH_ETH_RESET_DEFAULT) +/* Chip Reset */ +static void sh_eth_reset(struct net_device *ndev) +{ + u32 ioaddr = ndev->base_addr; + + ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR); + mdelay(3); + ctrl_outl(ctrl_inl(ioaddr + EDMR) & ~EDMR_SRST, ioaddr + EDMR); +} +#endif + +#if defined(CONFIG_CPU_SH4) +static void sh_eth_set_receive_align(struct sk_buff *skb) +{ + int reserve; + + reserve = SH4_SKB_RX_ALIGN - ((u32)skb->data & (SH4_SKB_RX_ALIGN - 1)); + if (reserve) + skb_reserve(skb, reserve); +} +#else +static void sh_eth_set_receive_align(struct sk_buff *skb) +{ + skb_reserve(skb, SH2_SH3_SKB_RX_ALIGN); +} +#endif + + /* CPU <-> EDMAC endian convert */ static inline __u32 cpu_to_edmac(struct sh_eth_private *mdp, u32 x) { @@ -165,41 +335,6 @@ static struct mdiobb_ops bb_ops = { .get_mdio_data = sh_get_mdio, }; -/* Chip Reset */ -static void sh_eth_reset(struct net_device *ndev) -{ - u32 ioaddr = ndev->base_addr; - -#if defined(CONFIG_CPU_SUBTYPE_SH7763) - int cnt = 100; - - ctrl_outl(EDSR_ENALL, ioaddr + EDSR); - ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR); - while (cnt > 0) { - if (!(ctrl_inl(ioaddr + EDMR) & 0x3)) - break; - mdelay(1); - cnt--; - } - if (cnt < 0) - printk(KERN_ERR "Device reset fail\n"); - - /* Table Init */ - ctrl_outl(0x0, ioaddr + TDLAR); - ctrl_outl(0x0, ioaddr + TDFAR); - ctrl_outl(0x0, ioaddr + TDFXR); - ctrl_outl(0x0, ioaddr + TDFFR); - ctrl_outl(0x0, ioaddr + RDLAR); - ctrl_outl(0x0, ioaddr + RDFAR); - ctrl_outl(0x0, ioaddr + RDFXR); - ctrl_outl(0x0, ioaddr + RDFFR); -#else - ctrl_outl(ctrl_inl(ioaddr + EDMR) | EDMR_SRST, ioaddr + EDMR); - mdelay(3); - ctrl_outl(ctrl_inl(ioaddr + EDMR) & ~EDMR_SRST, ioaddr + EDMR); -#endif -} - /* free skb and descriptor buffer */ static void sh_eth_ring_free(struct net_device *ndev) { @@ -228,7 +363,7 @@ static void sh_eth_ring_free(struct net_device *ndev) /* format skb and descriptor buffer */ static void sh_eth_ring_format(struct net_device *ndev) { - u32 ioaddr = ndev->base_addr, reserve = 0; + u32 ioaddr = ndev->base_addr; struct sh_eth_private *mdp = netdev_priv(ndev); int i; struct sk_buff *skb; @@ -253,14 +388,8 @@ static void sh_eth_ring_format(struct net_device *ndev) dma_map_single(&ndev->dev, skb->tail, mdp->rx_buf_sz, DMA_FROM_DEVICE); skb->dev = ndev; /* Mark as being used by this device. */ -#if defined(CONFIG_CPU_SUBTYPE_SH7763) - reserve = SH7763_SKB_ALIGN - - ((uint32_t)skb->data & (SH7763_SKB_ALIGN-1)); - if (reserve) - skb_reserve(skb, reserve); -#else - skb_reserve(skb, RX_OFFSET); -#endif + sh_eth_set_receive_align(skb); + /* RX descriptor */ rxdesc = &mdp->rx_ring[i]; rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); @@ -321,7 +450,7 @@ static int sh_eth_ring_init(struct net_device *ndev) mdp->rx_skbuff = kmalloc(sizeof(*mdp->rx_skbuff) * RX_RING_SIZE, GFP_KERNEL); if (!mdp->rx_skbuff) { - printk(KERN_ERR "%s: Cannot allocate Rx skb\n", ndev->name); + dev_err(&ndev->dev, "Cannot allocate Rx skb\n"); ret = -ENOMEM; return ret; } @@ -329,7 +458,7 @@ static int sh_eth_ring_init(struct net_device *ndev) mdp->tx_skbuff = kmalloc(sizeof(*mdp->tx_skbuff) * TX_RING_SIZE, GFP_KERNEL); if (!mdp->tx_skbuff) { - printk(KERN_ERR "%s: Cannot allocate Tx skb\n", ndev->name); + dev_err(&ndev->dev, "Cannot allocate Tx skb\n"); ret = -ENOMEM; goto skb_ring_free; } @@ -340,8 +469,8 @@ static int sh_eth_ring_init(struct net_device *ndev) GFP_KERNEL); if (!mdp->rx_ring) { - printk(KERN_ERR "%s: Cannot allocate Rx Ring (size %d bytes)\n", - ndev->name, rx_ringsize); + dev_err(&ndev->dev, "Cannot allocate Rx Ring (size %d bytes)\n", + rx_ringsize); ret = -ENOMEM; goto desc_ring_free; } @@ -353,8 +482,8 @@ static int sh_eth_ring_init(struct net_device *ndev) mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma, GFP_KERNEL); if (!mdp->tx_ring) { - printk(KERN_ERR "%s: Cannot allocate Tx Ring (size %d bytes)\n", - ndev->name, tx_ringsize); + dev_err(&ndev->dev, "Cannot allocate Tx Ring (size %d bytes)\n", + tx_ringsize); ret = -ENOMEM; goto desc_ring_free; } @@ -384,44 +513,43 @@ static int sh_eth_dev_init(struct net_device *ndev) /* Descriptor format */ sh_eth_ring_format(ndev); - ctrl_outl(RPADIR_INIT, ioaddr + RPADIR); + if (mdp->cd->rpadir) + ctrl_outl(mdp->cd->rpadir_value, ioaddr + RPADIR); /* all sh_eth int mask */ ctrl_outl(0, ioaddr + EESIPR); -#if defined(CONFIG_CPU_SUBTYPE_SH7763) - ctrl_outl(EDMR_EL, ioaddr + EDMR); -#else - ctrl_outl(0, ioaddr + EDMR); /* Endian change */ +#if defined(__LITTLE_ENDIAN__) + if (mdp->cd->hw_swap) + ctrl_outl(EDMR_EL, ioaddr + EDMR); + else #endif + ctrl_outl(0, ioaddr + EDMR); /* FIFO size set */ - ctrl_outl((FIFO_SIZE_T | FIFO_SIZE_R), ioaddr + FDR); + ctrl_outl(mdp->cd->fdr_value, ioaddr + FDR); ctrl_outl(0, ioaddr + TFTR); /* Frame recv control */ - ctrl_outl(0, ioaddr + RMCR); + ctrl_outl(mdp->cd->rmcr_value, ioaddr + RMCR); rx_int_var = mdp->rx_int_var = DESC_I_RINT8 | DESC_I_RINT5; tx_int_var = mdp->tx_int_var = DESC_I_TINT2; ctrl_outl(rx_int_var | tx_int_var, ioaddr + TRSCER); -#if defined(CONFIG_CPU_SUBTYPE_SH7763) - /* Burst sycle set */ - ctrl_outl(0x800, ioaddr + BCULR); -#endif + if (mdp->cd->bculr) + ctrl_outl(0x800, ioaddr + BCULR); /* Burst sycle set */ - ctrl_outl((FIFO_F_D_RFF | FIFO_F_D_RFD), ioaddr + FCFTR); + ctrl_outl(mdp->cd->fcftr_value, ioaddr + FCFTR); -#if !defined(CONFIG_CPU_SUBTYPE_SH7763) - ctrl_outl(0, ioaddr + TRIMD); -#endif + if (!mdp->cd->no_trimd) + ctrl_outl(0, ioaddr + TRIMD); /* Recv frame limit set register */ ctrl_outl(RFLR_VALUE, ioaddr + RFLR); ctrl_outl(ctrl_inl(ioaddr + EESR), ioaddr + EESR); - ctrl_outl((DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff), ioaddr + EESIPR); + ctrl_outl(mdp->cd->eesipr_value, ioaddr + EESIPR); /* PAUSE Prohibition */ val = (ctrl_inl(ioaddr + ECMR) & ECMR_DM) | @@ -429,24 +557,25 @@ static int sh_eth_dev_init(struct net_device *ndev) ctrl_outl(val, ioaddr + ECMR); + if (mdp->cd->set_rate) + mdp->cd->set_rate(ndev); + /* E-MAC Status Register clear */ - ctrl_outl(ECSR_INIT, ioaddr + ECSR); + ctrl_outl(mdp->cd->ecsr_value, ioaddr + ECSR); /* E-MAC Interrupt Enable register */ - ctrl_outl(ECSIPR_INIT, ioaddr + ECSIPR); + ctrl_outl(mdp->cd->ecsipr_value, ioaddr + ECSIPR); /* Set MAC address */ update_mac_address(ndev); /* mask reset */ -#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7763) - ctrl_outl(APR_AP, ioaddr + APR); - ctrl_outl(MPR_MP, ioaddr + MPR); - ctrl_outl(TPAUSER_UNLIMITED, ioaddr + TPAUSER); -#endif -#if defined(CONFIG_CPU_SUBTYPE_SH7710) - ctrl_outl(BCFR_UNLIMITED, ioaddr + BCFR); -#endif + if (mdp->cd->apr) + ctrl_outl(APR_AP, ioaddr + APR); + if (mdp->cd->mpr) + ctrl_outl(MPR_MP, ioaddr + MPR); + if (mdp->cd->tpauser) + ctrl_outl(TPAUSER_UNLIMITED, ioaddr + TPAUSER); /* Setting the Rx mode will start the Rx process. */ ctrl_outl(EDRRR_R, ioaddr + EDRRR); @@ -495,7 +624,7 @@ static int sh_eth_rx(struct net_device *ndev) int boguscnt = (mdp->dirty_rx + RX_RING_SIZE) - mdp->cur_rx; struct sk_buff *skb; u16 pkt_len = 0; - u32 desc_status, reserve = 0; + u32 desc_status; rxdesc = &mdp->rx_ring[entry]; while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) { @@ -524,8 +653,10 @@ static int sh_eth_rx(struct net_device *ndev) if (desc_status & RD_RFS10) mdp->stats.rx_over_errors++; } else { - swaps(phys_to_virt(ALIGN(rxdesc->addr, 4)), - pkt_len + 2); + if (!mdp->cd->hw_swap) + sh_eth_soft_swap( + phys_to_virt(ALIGN(rxdesc->addr, 4)), + pkt_len + 2); skb = mdp->rx_skbuff[entry]; mdp->rx_skbuff[entry] = NULL; skb_put(skb, pkt_len); @@ -554,14 +685,8 @@ static int sh_eth_rx(struct net_device *ndev) dma_map_single(&ndev->dev, skb->tail, mdp->rx_buf_sz, DMA_FROM_DEVICE); skb->dev = ndev; -#if defined(CONFIG_CPU_SUBTYPE_SH7763) - reserve = SH7763_SKB_ALIGN - - ((uint32_t)skb->data & (SH7763_SKB_ALIGN-1)); - if (reserve) - skb_reserve(skb, reserve); -#else - skb_reserve(skb, RX_OFFSET); -#endif + sh_eth_set_receive_align(skb); + skb->ip_summed = CHECKSUM_NONE; rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4)); } @@ -587,6 +712,8 @@ static void sh_eth_error(struct net_device *ndev, int intr_status) struct sh_eth_private *mdp = netdev_priv(ndev); u32 ioaddr = ndev->base_addr; u32 felic_stat; + u32 link_stat; + u32 mask; if (intr_status & EESR_ECI) { felic_stat = ctrl_inl(ioaddr + ECSR); @@ -595,7 +722,14 @@ static void sh_eth_error(struct net_device *ndev, int intr_status) mdp->stats.tx_carrier_errors++; if (felic_stat & ECSR_LCHNG) { /* Link Changed */ - u32 link_stat = (ctrl_inl(ioaddr + PSR)); + if (mdp->cd->no_psr) { + if (mdp->link == PHY_DOWN) + link_stat = 0; + else + link_stat = PHY_ST_LINK; + } else { + link_stat = (ctrl_inl(ioaddr + PSR)); + } if (!(link_stat & PHY_ST_LINK)) { /* Link Down : disable tx and rx */ ctrl_outl(ctrl_inl(ioaddr + ECMR) & @@ -627,17 +761,15 @@ static void sh_eth_error(struct net_device *ndev, int intr_status) if (intr_status & EESR_RFRMER) { /* Receive Frame Overflow int */ mdp->stats.rx_frame_errors++; - printk(KERN_ERR "Receive Frame Overflow\n"); + dev_err(&ndev->dev, "Receive Frame Overflow\n"); } } -#if !defined(CONFIG_CPU_SUBTYPE_SH7763) - if (intr_status & EESR_ADE) { - if (intr_status & EESR_TDE) { - if (intr_status & EESR_TFE) - mdp->stats.tx_fifo_errors++; - } + + if (!mdp->cd->no_ade) { + if (intr_status & EESR_ADE && intr_status & EESR_TDE && + intr_status & EESR_TFE) + mdp->stats.tx_fifo_errors++; } -#endif if (intr_status & EESR_RDE) { /* Receive Descriptor Empty int */ @@ -645,24 +777,24 @@ static void sh_eth_error(struct net_device *ndev, int intr_status) if (ctrl_inl(ioaddr + EDRRR) ^ EDRRR_R) ctrl_outl(EDRRR_R, ioaddr + EDRRR); - printk(KERN_ERR "Receive Descriptor Empty\n"); + dev_err(&ndev->dev, "Receive Descriptor Empty\n"); } if (intr_status & EESR_RFE) { /* Receive FIFO Overflow int */ mdp->stats.rx_fifo_errors++; - printk(KERN_ERR "Receive FIFO Overflow\n"); + dev_err(&ndev->dev, "Receive FIFO Overflow\n"); } - if (intr_status & (EESR_TWB | EESR_TABT | -#if !defined(CONFIG_CPU_SUBTYPE_SH7763) - EESR_ADE | -#endif - EESR_TDE | EESR_TFE)) { + + mask = EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE; + if (mdp->cd->no_ade) + mask &= ~EESR_ADE; + if (intr_status & mask) { /* Tx error */ u32 edtrr = ctrl_inl(ndev->base_addr + EDTRR); /* dmesg */ - printk(KERN_ERR "%s:TX error. status=%8.8x cur_tx=%8.8x ", - ndev->name, intr_status, mdp->cur_tx); - printk(KERN_ERR "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n", + dev_err(&ndev->dev, "TX error. status=%8.8x cur_tx=%8.8x ", + intr_status, mdp->cur_tx); + dev_err(&ndev->dev, "dirty_tx=%8.8x state=%8.8x EDTRR=%8.8x.\n", mdp->dirty_tx, (u32) ndev->state, edtrr); /* dirty buffer free */ sh_eth_txfree(ndev); @@ -681,6 +813,7 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev) { struct net_device *ndev = netdev; struct sh_eth_private *mdp = netdev_priv(ndev); + struct sh_eth_cpu_data *cd = mdp->cd; irqreturn_t ret = IRQ_NONE; u32 ioaddr, boguscnt = RX_RING_SIZE; u32 intr_status = 0; @@ -693,7 +826,7 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev) /* Clear interrupt */ if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF | EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF | - TX_CHECK | EESR_ERR_CHECK)) { + cd->tx_check | cd->eesr_err_check)) { ctrl_outl(intr_status, ioaddr + EESR); ret = IRQ_HANDLED; } else @@ -710,12 +843,12 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev) } /* Tx Check */ - if (intr_status & TX_CHECK) { + if (intr_status & cd->tx_check) { sh_eth_txfree(ndev); netif_wake_queue(ndev); } - if (intr_status & EESR_ERR_CHECK) + if (intr_status & cd->eesr_err_check) sh_eth_error(ndev, intr_status); if (--boguscnt < 0) { @@ -750,32 +883,15 @@ static void sh_eth_adjust_link(struct net_device *ndev) if (phydev->duplex != mdp->duplex) { new_state = 1; mdp->duplex = phydev->duplex; -#if defined(CONFIG_CPU_SUBTYPE_SH7763) - if (mdp->duplex) { /* FULL */ - ctrl_outl(ctrl_inl(ioaddr + ECMR) | ECMR_DM, - ioaddr + ECMR); - } else { /* Half */ - ctrl_outl(ctrl_inl(ioaddr + ECMR) & ~ECMR_DM, - ioaddr + ECMR); - } -#endif + if (mdp->cd->set_duplex) + mdp->cd->set_duplex(ndev); } if (phydev->speed != mdp->speed) { new_state = 1; mdp->speed = phydev->speed; -#if defined(CONFIG_CPU_SUBTYPE_SH7763) - switch (mdp->speed) { - case 10: /* 10BASE */ - ctrl_outl(GECMR_10, ioaddr + GECMR); break; - case 100:/* 100BASE */ - ctrl_outl(GECMR_100, ioaddr + GECMR); break; - case 1000: /* 1000BASE */ - ctrl_outl(GECMR_1000, ioaddr + GECMR); break; - default: - break; - } -#endif + if (mdp->cd->set_rate) + mdp->cd->set_rate(ndev); } if (mdp->link == PHY_DOWN) { ctrl_outl((ctrl_inl(ioaddr + ECMR) & ~ECMR_TXF) @@ -815,8 +931,9 @@ static int sh_eth_phy_init(struct net_device *ndev) dev_err(&ndev->dev, "phy_connect failed\n"); return PTR_ERR(phydev); } + dev_info(&ndev->dev, "attached phy %i to driver %s\n", - phydev->addr, phydev->drv->name); + phydev->addr, phydev->drv->name); mdp->phydev = phydev; @@ -854,7 +971,7 @@ static int sh_eth_open(struct net_device *ndev) #endif ndev->name, ndev); if (ret) { - printk(KERN_ERR "Can not assign IRQ number to %s\n", CARDNAME); + dev_err(&ndev->dev, "Can not assign IRQ number\n"); return ret; } @@ -951,7 +1068,9 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) txdesc = &mdp->tx_ring[entry]; txdesc->addr = virt_to_phys(skb->data); /* soft swap. */ - swaps(phys_to_virt(ALIGN(txdesc->addr, 4)), skb->len + 2); + if (!mdp->cd->hw_swap) + sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)), + skb->len + 2); /* write back */ __flush_purge_region(skb->data, skb->len); if (skb->len < ETHERSMALL) @@ -1053,7 +1172,7 @@ static int sh_eth_do_ioctl(struct net_device *ndev, struct ifreq *rq, return phy_mii_ioctl(phydev, if_mii(rq), cmd); } - +#if defined(SH_ETH_HAS_TSU) /* Multicast reception directions set */ static void sh_eth_set_multicast_list(struct net_device *ndev) { @@ -1098,6 +1217,7 @@ static void sh_eth_tsu_init(u32 ioaddr) ctrl_outl(0, ioaddr + TSU_POST3); /* Disable CAM entry [16-23] */ ctrl_outl(0, ioaddr + TSU_POST4); /* Disable CAM entry [24-31] */ } +#endif /* SH_ETH_HAS_TSU */ /* MDIO bus release function */ static int sh_mdio_release(struct net_device *ndev) @@ -1187,7 +1307,9 @@ static const struct net_device_ops sh_eth_netdev_ops = { .ndo_stop = sh_eth_close, .ndo_start_xmit = sh_eth_start_xmit, .ndo_get_stats = sh_eth_get_stats, +#if defined(SH_ETH_HAS_TSU) .ndo_set_multicast_list = sh_eth_set_multicast_list, +#endif .ndo_tx_timeout = sh_eth_tx_timeout, .ndo_do_ioctl = sh_eth_do_ioctl, .ndo_validate_addr = eth_validate_addr, @@ -1213,7 +1335,7 @@ static int sh_eth_drv_probe(struct platform_device *pdev) ndev = alloc_etherdev(sizeof(struct sh_eth_private)); if (!ndev) { - printk(KERN_ERR "%s: could not allocate device.\n", CARDNAME); + dev_err(&pdev->dev, "Could not allocate device.\n"); ret = -ENOMEM; goto out; } @@ -1246,6 +1368,10 @@ static int sh_eth_drv_probe(struct platform_device *pdev) /* EDMAC endian */ mdp->edmac_endian = pd->edmac_endian; + /* set cpu data */ + mdp->cd = &sh_eth_my_cpu_data; + sh_eth_set_default_cpu_data(mdp->cd); + /* set function */ ndev->netdev_ops = &sh_eth_netdev_ops; ndev->watchdog_timeo = TX_TIMEOUT; @@ -1258,13 +1384,10 @@ static int sh_eth_drv_probe(struct platform_device *pdev) /* First device only init */ if (!devno) { -#if defined(ARSTR) - /* reset device */ - ctrl_outl(ARSTR_ARSTR, ARSTR); - mdelay(1); -#endif + if (mdp->cd->chip_reset) + mdp->cd->chip_reset(ndev); -#if defined(SH_TSU_ADDR) +#if defined(SH_ETH_HAS_TSU) /* TSU init (Init only)*/ sh_eth_tsu_init(SH_TSU_ADDR); #endif @@ -1281,8 +1404,8 @@ static int sh_eth_drv_probe(struct platform_device *pdev) goto out_unregister; /* pritnt device infomation */ - printk(KERN_INFO "%s: %s at 0x%x, ", - ndev->name, CARDNAME, (u32) ndev->base_addr); + pr_info("Base address at 0x%x, ", + (u32)ndev->base_addr); for (i = 0; i < 5; i++) printk("%02X:", ndev->dev_addr[i]); diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h index 1537e13e623d..eec6c4a7fbe7 100644 --- a/drivers/net/sh_eth.h +++ b/drivers/net/sh_eth.h @@ -2,7 +2,7 @@ * SuperH Ethernet device driver * * Copyright (C) 2006-2008 Nobuhiro Iwamatsu - * Copyright (C) 2008 Renesas Solutions Corp. + * Copyright (C) 2008-2009 Renesas Solutions Corp. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -39,12 +39,10 @@ #define ETHERSMALL 60 #define PKT_BUF_SZ 1538 -#ifdef CONFIG_CPU_SUBTYPE_SH7763 - -#define SH7763_SKB_ALIGN 32 +#if defined(CONFIG_CPU_SUBTYPE_SH7763) /* Chip Base Address */ # define SH_TSU_ADDR 0xFEE01800 -# define ARSTR SH_TSU_ADDR +# define ARSTR SH_TSU_ADDR /* Chip Registers */ /* E-DMAC */ @@ -143,8 +141,8 @@ # define FWNLCR1 0xB0 # define FWALCR1 0x40 -#else /* CONFIG_CPU_SUBTYPE_SH7763 */ -# define RX_OFFSET 2 /* skb offset */ +#else /* #elif defined(CONFIG_CPU_SUBTYPE_SH7763) */ +/* This section is SH3 or SH2 */ #ifndef CONFIG_CPU_SUBTYPE_SH7619 /* Chip base address */ # define SH_TSU_ADDR 0xA7000804 @@ -243,6 +241,30 @@ #endif /* CONFIG_CPU_SUBTYPE_SH7763 */ +/* There are avoid compile error... */ +#if !defined(BCULR) +#define BCULR 0x0fc +#endif +#if !defined(TRIMD) +#define TRIMD 0x0fc +#endif +#if !defined(APR) +#define APR 0x0fc +#endif +#if !defined(MPR) +#define MPR 0x0fc +#endif +#if !defined(TPAUSER) +#define TPAUSER 0x0fc +#endif + +/* Driver's parameters */ +#if defined(CONFIG_CPU_SH4) +#define SH4_SKB_RX_ALIGN 32 +#else +#define SH2_SH3_SKB_RX_ALIGN 2 +#endif + /* * Register's bits */ @@ -261,11 +283,10 @@ enum GECMR_BIT { /* EDMR */ enum DMAC_M_BIT { + EDMR_EL = 0x40, /* Litte endian */ EDMR_DL1 = 0x20, EDMR_DL0 = 0x10, #ifdef CONFIG_CPU_SUBTYPE_SH7763 - EDMR_SRST = 0x03, - EMDR_DESC_R = 0x30, /* Descriptor reserve size */ - EDMR_EL = 0x40, /* Litte endian */ + EDMR_SRST = 0x03, #else /* CONFIG_CPU_SUBTYPE_SH7763 */ EDMR_SRST = 0x01, #endif @@ -307,47 +328,43 @@ enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, }; /* EESR */ enum EESR_BIT { -#ifndef CONFIG_CPU_SUBTYPE_SH7763 - EESR_TWB = 0x40000000, -#else - EESR_TWB = 0xC0000000, - EESR_TC1 = 0x20000000, - EESR_TUC = 0x10000000, - EESR_ROC = 0x80000000, -#endif - EESR_TABT = 0x04000000, - EESR_RABT = 0x02000000, EESR_RFRMER = 0x01000000, -#ifndef CONFIG_CPU_SUBTYPE_SH7763 - EESR_ADE = 0x00800000, -#endif - EESR_ECI = 0x00400000, - EESR_FTC = 0x00200000, EESR_TDE = 0x00100000, - EESR_TFE = 0x00080000, EESR_FRC = 0x00040000, - EESR_RDE = 0x00020000, EESR_RFE = 0x00010000, -#ifndef CONFIG_CPU_SUBTYPE_SH7763 - EESR_CND = 0x00000800, -#endif - EESR_DLC = 0x00000400, - EESR_CD = 0x00000200, EESR_RTO = 0x00000100, - EESR_RMAF = 0x00000080, EESR_CEEF = 0x00000040, - EESR_CELF = 0x00000020, EESR_RRF = 0x00000010, - EESR_RTLF = 0x00000008, EESR_RTSF = 0x00000004, - EESR_PRE = 0x00000002, EESR_CERF = 0x00000001, -}; - - -#ifdef CONFIG_CPU_SUBTYPE_SH7763 -# define TX_CHECK (EESR_TC1 | EESR_FTC) -# define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \ - | EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI) -# define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE) - -#else -# define TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO) -# define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \ - | EESR_RFRMER | EESR_ADE | EESR_TFE | EESR_TDE | EESR_ECI) -# define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE) -#endif + EESR_TWB1 = 0x80000000, + EESR_TWB = 0x40000000, /* same as TWB0 */ + EESR_TC1 = 0x20000000, + EESR_TUC = 0x10000000, + EESR_ROC = 0x08000000, + EESR_TABT = 0x04000000, + EESR_RABT = 0x02000000, + EESR_RFRMER = 0x01000000, /* same as RFCOF */ + EESR_ADE = 0x00800000, + EESR_ECI = 0x00400000, + EESR_FTC = 0x00200000, /* same as TC or TC0 */ + EESR_TDE = 0x00100000, + EESR_TFE = 0x00080000, /* same as TFUF */ + EESR_FRC = 0x00040000, /* same as FR */ + EESR_RDE = 0x00020000, + EESR_RFE = 0x00010000, + EESR_CND = 0x00000800, + EESR_DLC = 0x00000400, + EESR_CD = 0x00000200, + EESR_RTO = 0x00000100, + EESR_RMAF = 0x00000080, + EESR_CEEF = 0x00000040, + EESR_CELF = 0x00000020, + EESR_RRF = 0x00000010, + EESR_RTLF = 0x00000008, + EESR_RTSF = 0x00000004, + EESR_PRE = 0x00000002, + EESR_CERF = 0x00000001, +}; + +#define DEFAULT_TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | \ + EESR_RTO) +#define DEFAULT_EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | \ + EESR_RDE | EESR_RFRMER | EESR_ADE | \ + EESR_TFE | EESR_TDE | EESR_ECI) +#define DEFAULT_TX_ERROR_CHECK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | \ + EESR_TFE) /* EESIPR */ enum DMAC_IM_BIT { @@ -386,12 +403,8 @@ enum FCFTR_BIT { FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004, FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001, }; -#define FIFO_F_D_RFF (FCFTR_RFF2|FCFTR_RFF1|FCFTR_RFF0) -#ifndef CONFIG_CPU_SUBTYPE_SH7619 -#define FIFO_F_D_RFD (FCFTR_RFD2|FCFTR_RFD1|FCFTR_RFD0) -#else -#define FIFO_F_D_RFD (FCFTR_RFD0) -#endif +#define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0) +#define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0) /* Transfer descriptor bit */ enum TD_STS_BIT { @@ -404,60 +417,38 @@ enum TD_STS_BIT { #define TD_TFP (TD_TFP1|TD_TFP0) /* RMCR */ -enum RECV_RST_BIT { RMCR_RST = 0x01, }; +#define DEFAULT_RMCR_VALUE 0x00000000 + /* ECMR */ enum FELIC_MODE_BIT { -#ifdef CONFIG_CPU_SUBTYPE_SH7763 ECMR_TRCCM = 0x04000000, ECMR_RCSC = 0x00800000, ECMR_DPAD = 0x00200000, ECMR_RZPF = 0x00100000, -#endif ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000, ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000, ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020, - ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, ECMR_DM = 0x00000002, - ECMR_PRM = 0x00000001, + ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, + ECMR_DM = 0x00000002, ECMR_PRM = 0x00000001, }; -#ifdef CONFIG_CPU_SUBTYPE_SH7763 -#define ECMR_CHG_DM (ECMR_TRCCM | ECMR_RZPF | ECMR_ZPF |\ - ECMR_PFR | ECMR_RXF | ECMR_TXF | ECMR_MCT) -#elif CONFIG_CPU_SUBTYPE_SH7619 -#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR | ECMR_RXF | ECMR_TXF) -#else -#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR | ECMR_RXF | ECMR_TXF | ECMR_MCT) -#endif - /* ECSR */ enum ECSR_STATUS_BIT { -#ifndef CONFIG_CPU_SUBTYPE_SH7763 ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10, -#endif ECSR_LCHNG = 0x04, ECSR_MPD = 0x02, ECSR_ICD = 0x01, }; -#ifdef CONFIG_CPU_SUBTYPE_SH7763 -# define ECSR_INIT (ECSR_ICD | ECSIPR_MPDIP) -#else -# define ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | \ - ECSR_LCHNG | ECSR_ICD | ECSIPR_MPDIP) -#endif +#define DEFAULT_ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | ECSR_LCHNG | \ + ECSR_ICD | ECSIPR_MPDIP) /* ECSIPR */ enum ECSIPR_STATUS_MASK_BIT { -#ifndef CONFIG_CPU_SUBTYPE_SH7763 ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10, -#endif ECSIPR_LCHNGIP = 0x04, ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01, }; -#ifdef CONFIG_CPU_SUBTYPE_SH7763 -# define ECSIPR_INIT (ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP) -#else -# define ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | \ - ECSIPR_ICDIP | ECSIPR_MPDIP) -#endif +#define DEFAULT_ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | \ + ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP) /* APR */ enum APR_BIT { @@ -483,23 +474,12 @@ enum RPADIR_BIT { RPADIR_PADR = 0x0003f, }; -#if defined(CONFIG_CPU_SUBTYPE_SH7763) -# define RPADIR_INIT (0x00) -#else -# define RPADIR_INIT (RPADIR_PADS1) -#endif - /* RFLR */ #define RFLR_VALUE 0x1000 /* FDR */ -enum FIFO_SIZE_BIT { -#ifndef CONFIG_CPU_SUBTYPE_SH7619 - FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007, -#else - FIFO_SIZE_T = 0x00000100, FIFO_SIZE_R = 0x00000001, -#endif -}; +#define DEFAULT_FDR_INIT 0x00000707 + enum phy_offsets { PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3, PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6, @@ -633,7 +613,43 @@ struct sh_eth_rxdesc { u32 pad0; /* padding data */ } __attribute__((aligned(2), packed)); +/* This structure is used by each CPU dependency handling. */ +struct sh_eth_cpu_data { + /* optional functions */ + void (*chip_reset)(struct net_device *ndev); + void (*set_duplex)(struct net_device *ndev); + void (*set_rate)(struct net_device *ndev); + + /* mandatory initialize value */ + unsigned long eesipr_value; + + /* optional initialize value */ + unsigned long ecsr_value; + unsigned long ecsipr_value; + unsigned long fdr_value; + unsigned long fcftr_value; + unsigned long rpadir_value; + unsigned long rmcr_value; + + /* interrupt checking mask */ + unsigned long tx_check; + unsigned long eesr_err_check; + unsigned long tx_error_check; + + /* hardware features */ + unsigned no_psr:1; /* EtherC DO NOT have PSR */ + unsigned apr:1; /* EtherC have APR */ + unsigned mpr:1; /* EtherC have MPR */ + unsigned tpauser:1; /* EtherC have TPAUSER */ + unsigned bculr:1; /* EtherC have BCULR */ + unsigned hw_swap:1; /* E-DMAC have DE bit in EDMR */ + unsigned rpadir:1; /* E-DMAC have RPADIR */ + unsigned no_trimd:1; /* E-DMAC DO NOT have TRIMD */ + unsigned no_ade:1; /* E-DMAC DO NOT have ADE bit in EESR */ +}; + struct sh_eth_private { + struct sh_eth_cpu_data *cd; dma_addr_t rx_desc_dma; dma_addr_t tx_desc_dma; struct sh_eth_rxdesc *rx_ring; @@ -661,11 +677,7 @@ struct sh_eth_private { struct net_device_stats tsu_stats; /* TSU forward status */ }; -#ifdef CONFIG_CPU_SUBTYPE_SH7763 -/* SH7763 has endian control register */ -#define swaps(x, y) -#else -static void swaps(char *src, int len) +static inline void sh_eth_soft_swap(char *src, int len) { #ifdef __LITTLE_ENDIAN__ u32 *p = (u32 *)src; @@ -676,5 +688,5 @@ static void swaps(char *src, int len) *p = swab32(*p); #endif } -#endif /* CONFIG_CPU_SUBTYPE_SH7763 */ -#endif + +#endif /* #ifndef __SH_ETH_H__ */ |