diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/zynq_gem.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index 5f2f87d352c..a158824fc9f 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -197,6 +197,7 @@ struct zynq_gem_priv { int phyaddr; int init; struct zynq_gem_regs *iobase; + struct zynq_gem_regs *mdiobase; phy_interface_t interface; struct phy_device *phydev; ofnode phy_of_node; @@ -211,7 +212,7 @@ static int phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum, u32 op, u16 *data) { u32 mgtcr; - struct zynq_gem_regs *regs = priv->iobase; + struct zynq_gem_regs *regs = priv->mdiobase; int err; err = wait_for_bit_le32(®s->nwsr, ZYNQ_GEM_NWSR_MDIOIDLE_MASK, @@ -297,7 +298,7 @@ static int zynq_phy_init(struct udevice *dev) { int ret; struct zynq_gem_priv *priv = dev_get_priv(dev); - struct zynq_gem_regs *regs = priv->iobase; + struct zynq_gem_regs *regs_mdio = priv->mdiobase; const u32 supported = SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | @@ -306,7 +307,7 @@ static int zynq_phy_init(struct udevice *dev) SUPPORTED_1000baseT_Full; /* Enable only MDIO bus */ - writel(ZYNQ_GEM_NWCTRL_MDEN_MASK, ®s->nwctrl); + writel(ZYNQ_GEM_NWCTRL_MDEN_MASK, ®s_mdio->nwctrl); priv->phydev = phy_connect(priv->bus, priv->phyaddr, dev, priv->interface); @@ -335,6 +336,7 @@ static int zynq_gem_init(struct udevice *dev) unsigned long clk_rate = 0; struct zynq_gem_priv *priv = dev_get_priv(dev); struct zynq_gem_regs *regs = priv->iobase; + struct zynq_gem_regs *regs_mdio = priv->mdiobase; struct emac_bd *dummy_tx_bd = &priv->tx_bd[TX_FREE_DESC]; struct emac_bd *dummy_rx_bd = &priv->tx_bd[TX_FREE_DESC + 2]; @@ -402,7 +404,7 @@ static int zynq_gem_init(struct udevice *dev) writel(ZYNQ_GEM_DMACR_INIT, ®s->dmacr); /* Setup for Network Control register, MDIO, Rx and Tx enable */ - setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_MDEN_MASK); + setbits_le32(®s_mdio->nwctrl, ZYNQ_GEM_NWCTRL_MDEN_MASK); /* Disable the second priority queue */ dummy_tx_bd->addr = 0; @@ -578,6 +580,7 @@ static int zynq_gem_free_pkt(struct udevice *dev, uchar *packet, int length) struct zynq_gem_priv *priv = dev_get_priv(dev); struct emac_bd *current_bd = &priv->rx_bd[priv->rxbd_current]; struct emac_bd *first_bd; + dma_addr_t addr; if (current_bd->status & ZYNQ_GEM_RXBUF_SOF_MASK) { priv->rx_first_buf = priv->rxbd_current; @@ -592,6 +595,17 @@ static int zynq_gem_free_pkt(struct udevice *dev, uchar *packet, int length) first_bd->status = 0xF0000000; } + /* Flush the cache for the packet as well */ +#if defined(CONFIG_PHYS_64BIT) + addr = (dma_addr_t)((current_bd->addr & ZYNQ_GEM_RXBUF_ADD_MASK) + | ((dma_addr_t)current_bd->addr_hi << 32)); +#else + addr = current_bd->addr & ZYNQ_GEM_RXBUF_ADD_MASK; +#endif + flush_dcache_range(addr, addr + roundup(PKTSIZE_ALIGN, + ARCH_DMA_MINALIGN)); + barrier(); + if ((++priv->rxbd_current) >= RX_BUF) priv->rxbd_current = 0; @@ -731,6 +745,7 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev) pdata->iobase = (phys_addr_t)dev_read_addr(dev); priv->iobase = (struct zynq_gem_regs *)pdata->iobase; + priv->mdiobase = priv->iobase; /* Hardcode for now */ priv->phyaddr = -1; @@ -756,8 +771,9 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev) priv->int_pcs = dev_read_bool(dev, "is-internal-pcspma"); - printf("ZYNQ GEM: %lx, phyaddr %x, interface %s\n", (ulong)priv->iobase, - priv->phyaddr, phy_string_for_interface(priv->interface)); + printf("\nZYNQ GEM: %lx, mdio bus %lx, phyaddr %d, interface %s\n", + (ulong)priv->iobase, (ulong)priv->mdiobase, priv->phyaddr, + phy_string_for_interface(priv->interface)); return 0; } |