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https://github.com/AsahiLinux/u-boot
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net: tsec: Add driver model ethernet support
This adds driver model support to Freescale TSEC ethernet driver. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Bin Meng
Joe Hershberger
parent
69a00875e3
commit
9a1d6af55e
2 changed files with 196 additions and 0 deletions
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@ -10,6 +10,7 @@
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#include <config.h>
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#include <common.h>
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#include <dm.h>
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#include <malloc.h>
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#include <net.h>
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#include <command.h>
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@ -21,6 +22,7 @@
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DECLARE_GLOBAL_DATA_PTR;
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#ifndef CONFIG_DM_ETH
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/* Default initializations for TSEC controllers. */
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static struct tsec_info_struct tsec_info[] = {
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@ -46,6 +48,7 @@ static struct tsec_info_struct tsec_info[] = {
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STD_TSEC_INFO(4), /* TSEC4 */
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#endif
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};
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#endif /* CONFIG_DM_ETH */
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#define TBIANA_SETTINGS ( \
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TBIANA_ASYMMETRIC_PAUSE \
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@ -98,7 +101,11 @@ static void tsec_configure_serdes(struct tsec_private *priv)
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* for PowerPC (tm) is usually the case) in the register holds
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* the entry.
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*/
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#ifndef CONFIG_DM_ETH
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static int tsec_mcast_addr(struct eth_device *dev, const u8 *mcast_mac, u8 set)
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#else
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static int tsec_mcast_addr(struct udevice *dev, const u8 *mcast_mac, int set)
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#endif
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{
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struct tsec_private *priv = (struct tsec_private *)dev->priv;
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struct tsec __iomem *regs = priv->regs;
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@ -225,7 +232,11 @@ static void adjust_link(struct tsec_private *priv, struct phy_device *phydev)
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* do the same. Presumably, this would be zero if there were no
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* errors
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*/
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#ifndef CONFIG_DM_ETH
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static int tsec_send(struct eth_device *dev, void *packet, int length)
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#else
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static int tsec_send(struct udevice *dev, void *packet, int length)
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#endif
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{
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struct tsec_private *priv = (struct tsec_private *)dev->priv;
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struct tsec __iomem *regs = priv->regs;
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@ -268,6 +279,7 @@ static int tsec_send(struct eth_device *dev, void *packet, int length)
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return result;
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}
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#ifndef CONFIG_DM_ETH
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static int tsec_recv(struct eth_device *dev)
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{
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struct tsec_private *priv = (struct tsec_private *)dev->priv;
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@ -302,9 +314,61 @@ static int tsec_recv(struct eth_device *dev)
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return -1;
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}
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#else
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static int tsec_recv(struct udevice *dev, int flags, uchar **packetp)
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{
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struct tsec_private *priv = (struct tsec_private *)dev->priv;
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struct tsec __iomem *regs = priv->regs;
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int ret = -1;
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if (!(in_be16(&priv->rxbd[priv->rx_idx].status) & RXBD_EMPTY)) {
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int length = in_be16(&priv->rxbd[priv->rx_idx].length);
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uint16_t status = in_be16(&priv->rxbd[priv->rx_idx].status);
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uint32_t buf;
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/* Send the packet up if there were no errors */
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if (!(status & RXBD_STATS)) {
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buf = in_be32(&priv->rxbd[priv->rx_idx].bufptr);
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*packetp = (uchar *)buf;
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ret = length - 4;
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} else {
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printf("Got error %x\n", (status & RXBD_STATS));
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}
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}
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if (in_be32(®s->ievent) & IEVENT_BSY) {
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out_be32(®s->ievent, IEVENT_BSY);
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out_be32(®s->rstat, RSTAT_CLEAR_RHALT);
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}
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return ret;
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}
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static int tsec_free_pkt(struct udevice *dev, uchar *packet, int length)
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{
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struct tsec_private *priv = (struct tsec_private *)dev->priv;
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uint16_t status;
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out_be16(&priv->rxbd[priv->rx_idx].length, 0);
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status = RXBD_EMPTY;
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/* Set the wrap bit if this is the last element in the list */
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if ((priv->rx_idx + 1) == PKTBUFSRX)
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status |= RXBD_WRAP;
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out_be16(&priv->rxbd[priv->rx_idx].status, status);
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priv->rx_idx = (priv->rx_idx + 1) % PKTBUFSRX;
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return 0;
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}
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#endif
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/* Stop the interface */
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#ifndef CONFIG_DM_ETH
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static void tsec_halt(struct eth_device *dev)
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#else
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static void tsec_halt(struct udevice *dev)
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#endif
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{
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struct tsec_private *priv = (struct tsec_private *)dev->priv;
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struct tsec __iomem *regs = priv->regs;
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@ -467,9 +531,16 @@ static void startup_tsec(struct tsec_private *priv)
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* that it returns success if the link is up, failure otherwise.
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* This allows U-Boot to find the first active controller.
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*/
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#ifndef CONFIG_DM_ETH
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static int tsec_init(struct eth_device *dev, bd_t * bd)
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#else
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static int tsec_init(struct udevice *dev)
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#endif
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{
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struct tsec_private *priv = (struct tsec_private *)dev->priv;
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#ifdef CONFIG_DM_ETH
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struct eth_pdata *pdata = dev_get_platdata(dev);
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#endif
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struct tsec __iomem *regs = priv->regs;
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u32 tempval;
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int ret;
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@ -489,12 +560,21 @@ static int tsec_init(struct eth_device *dev, bd_t * bd)
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* order (BE), MACnADDR1 is set to 0xCDAB7856 and
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* MACnADDR2 is set to 0x34120000.
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*/
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#ifndef CONFIG_DM_ETH
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tempval = (dev->enetaddr[5] << 24) | (dev->enetaddr[4] << 16) |
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(dev->enetaddr[3] << 8) | dev->enetaddr[2];
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#else
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tempval = (pdata->enetaddr[5] << 24) | (pdata->enetaddr[4] << 16) |
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(pdata->enetaddr[3] << 8) | pdata->enetaddr[2];
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#endif
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out_be32(®s->macstnaddr1, tempval);
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#ifndef CONFIG_DM_ETH
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tempval = (dev->enetaddr[1] << 24) | (dev->enetaddr[0] << 16);
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#else
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tempval = (pdata->enetaddr[1] << 24) | (pdata->enetaddr[0] << 16);
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#endif
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out_be32(®s->macstnaddr2, tempval);
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@ -600,6 +680,7 @@ static int init_phy(struct tsec_private *priv)
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return 1;
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}
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#ifndef CONFIG_DM_ETH
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/*
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* Initialize device structure. Returns success if PHY
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* initialization succeeded (i.e. if it recognizes the PHY)
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@ -687,3 +768,108 @@ int tsec_standard_init(bd_t *bis)
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return tsec_eth_init(bis, tsec_info, ARRAY_SIZE(tsec_info));
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}
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#else /* CONFIG_DM_ETH */
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int tsec_probe(struct udevice *dev)
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{
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struct tsec_private *priv = dev_get_priv(dev);
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struct eth_pdata *pdata = dev_get_platdata(dev);
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struct fsl_pq_mdio_info mdio_info;
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int offset = 0;
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int reg;
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const char *phy_mode;
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int ret;
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pdata->iobase = (phys_addr_t)dev_get_addr(dev);
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priv->regs = (struct tsec *)pdata->iobase;
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offset = fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset,
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"phy-handle");
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if (offset > 0) {
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reg = fdtdec_get_int(gd->fdt_blob, offset, "reg", 0);
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priv->phyaddr = reg;
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} else {
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debug("phy-handle does not exist under tsec %s\n", dev->name);
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return -ENOENT;
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}
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offset = fdt_parent_offset(gd->fdt_blob, offset);
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if (offset > 0) {
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reg = fdtdec_get_int(gd->fdt_blob, offset, "reg", 0);
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priv->phyregs_sgmii = (struct tsec_mii_mng *)(reg + 0x520);
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} else {
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debug("No parent node for PHY?\n");
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return -ENOENT;
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}
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phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset,
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"phy-connection-type", NULL);
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if (phy_mode)
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pdata->phy_interface = phy_get_interface_by_name(phy_mode);
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if (pdata->phy_interface == -1) {
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debug("Invalid PHY interface '%s'\n", phy_mode);
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return -EINVAL;
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}
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priv->interface = pdata->phy_interface;
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/* Initialize flags */
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priv->flags = TSEC_GIGABIT;
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if (priv->interface == PHY_INTERFACE_MODE_SGMII)
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priv->flags |= TSEC_SGMII;
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mdio_info.regs = priv->phyregs_sgmii;
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mdio_info.name = (char *)dev->name;
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ret = fsl_pq_mdio_init(NULL, &mdio_info);
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if (ret)
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return ret;
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/* Reset the MAC */
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setbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET);
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udelay(2); /* Soft Reset must be asserted for 3 TX clocks */
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clrbits_be32(&priv->regs->maccfg1, MACCFG1_SOFT_RESET);
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priv->dev = dev;
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priv->bus = miiphy_get_dev_by_name(dev->name);
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/* Try to initialize PHY here, and return */
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return !init_phy(priv);
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}
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int tsec_remove(struct udevice *dev)
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{
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struct tsec_private *priv = dev->priv;
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free(priv->phydev);
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mdio_unregister(priv->bus);
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mdio_free(priv->bus);
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return 0;
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}
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static const struct eth_ops tsec_ops = {
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.start = tsec_init,
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.send = tsec_send,
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.recv = tsec_recv,
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.free_pkt = tsec_free_pkt,
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.stop = tsec_halt,
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#ifdef CONFIG_MCAST_TFTP
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.mcast = tsec_mcast_addr,
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#endif
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};
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static const struct udevice_id tsec_ids[] = {
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{ .compatible = "fsl,tsec" },
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{ }
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};
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U_BOOT_DRIVER(eth_tsec) = {
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.name = "tsec",
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.id = UCLASS_ETH,
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.of_match = tsec_ids,
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.probe = tsec_probe,
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.remove = tsec_remove,
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.ops = &tsec_ops,
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.priv_auto_alloc_size = sizeof(struct tsec_private),
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.platdata_auto_alloc_size = sizeof(struct eth_pdata),
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.flags = DM_FLAG_ALLOC_PRIV_DMA,
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};
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#endif /* CONFIG_DM_ETH */
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@ -18,6 +18,8 @@
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#include <config.h>
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#include <phy.h>
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#ifndef CONFIG_DM_ETH
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#ifdef CONFIG_LS102XA
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#define TSEC_SIZE 0x40000
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#define TSEC_MDIO_OFFSET 0x40000
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@ -64,6 +66,8 @@
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x.mii_devname = DEFAULT_MII_NAME;\
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}
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#endif /* CONFIG_DM_ETH */
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#define MAC_ADDR_LEN 6
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/* #define TSEC_TIMEOUT 1000000 */
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@ -402,7 +406,11 @@ struct tsec_private {
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u32 flags;
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uint rx_idx; /* index of the current RX buffer */
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uint tx_idx; /* index of the current TX buffer */
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#ifndef CONFIG_DM_ETH
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struct eth_device *dev;
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#else
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struct udevice *dev;
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#endif
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};
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struct tsec_info_struct {
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@ -415,7 +423,9 @@ struct tsec_info_struct {
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u32 flags;
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};
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#ifndef CONFIG_DM_ETH
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int tsec_standard_init(bd_t *bis);
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int tsec_eth_init(bd_t *bis, struct tsec_info_struct *tsec_info, int num);
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#endif
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#endif /* __TSEC_H */
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