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net: smc911x: Add DM support
Add support for U-Boot DM and DT probing. Furthermore, build the SMC911x standalone EEPROM example only for the non-DM case, as it is not converted yet. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Joe Hershberger <joe.hershberger@ni.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Marek Vasut
marex
parent
8eb4fef11b
commit
8148693b98
3 changed files with 121 additions and 1 deletions
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@ -388,11 +388,13 @@ config SMC911X
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if SMC911X
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if !DM_ETH
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config SMC911X_BASE
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hex "SMC911X Base Address"
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help
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Define this to hold the physical address
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of the device (I/O space)
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endif #DM_ETH
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choice
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prompt "SMC911X bus width"
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@ -21,7 +21,9 @@ struct chip_id {
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};
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struct smc911x_priv {
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#ifndef CONFIG_DM_ETH
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struct eth_device dev;
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#endif
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phys_addr_t iobase;
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const struct chip_id *chipid;
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unsigned char enetaddr[6];
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@ -370,6 +372,8 @@ static int smc911x_recv_common(struct smc911x_priv *priv, u32 *data)
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return pktlen;
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}
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#ifndef CONFIG_DM_ETH
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#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
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/* wrapper for smc911x_eth_phy_read */
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static int smc911x_miiphy_read(struct mii_dev *bus, int phy, int devad,
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@ -494,6 +498,7 @@ int smc911x_initialize(u8 dev_num, int base_addr)
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priv->enetaddr[3] = addrl >> 24;
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priv->enetaddr[4] = addrh;
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priv->enetaddr[5] = addrh >> 8;
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memcpy(priv->dev.enetaddr, priv->enetaddr, 6);
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}
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priv->dev.init = smc911x_init;
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@ -516,3 +521,113 @@ err_detect:
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free(priv);
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return ret;
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}
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#else /* ifdef CONFIG_DM_ETH */
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static int smc911x_start(struct udevice *dev)
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{
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struct eth_pdata *plat = dev_get_platdata(dev);
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struct smc911x_priv *priv = dev_get_priv(dev);
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memcpy(priv->enetaddr, plat->enetaddr, sizeof(plat->enetaddr));
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return smc911x_init_common(priv);
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}
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static void smc911x_stop(struct udevice *dev)
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{
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struct smc911x_priv *priv = dev_get_priv(dev);
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smc911x_halt_common(priv);
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}
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static int smc911x_send(struct udevice *dev, void *packet, int length)
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{
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struct smc911x_priv *priv = dev_get_priv(dev);
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int ret;
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ret = smc911x_send_common(priv, packet, length);
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return ret ? 0 : -ETIMEDOUT;
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}
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static int smc911x_recv(struct udevice *dev, int flags, uchar **packetp)
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{
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struct smc911x_priv *priv = dev_get_priv(dev);
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u32 *data = (u32 *)net_rx_packets[0];
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int ret;
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ret = smc911x_recv_common(priv, data);
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if (ret)
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*packetp = (void *)data;
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return ret ? ret : -EAGAIN;
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}
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static int smc911x_bind(struct udevice *dev)
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{
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return device_set_name(dev, dev->name);
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}
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static int smc911x_probe(struct udevice *dev)
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{
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struct smc911x_priv *priv = dev_get_priv(dev);
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unsigned long addrh, addrl;
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int ret;
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/* Try to detect chip. Will fail if not present. */
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ret = smc911x_detect_chip(priv);
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if (ret)
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return ret;
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addrh = smc911x_get_mac_csr(priv, ADDRH);
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addrl = smc911x_get_mac_csr(priv, ADDRL);
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if (!(addrl == 0xffffffff && addrh == 0x0000ffff)) {
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/* address is obtained from optional eeprom */
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priv->enetaddr[0] = addrl;
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priv->enetaddr[1] = addrl >> 8;
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priv->enetaddr[2] = addrl >> 16;
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priv->enetaddr[3] = addrl >> 24;
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priv->enetaddr[4] = addrh;
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priv->enetaddr[5] = addrh >> 8;
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}
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return 0;
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}
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static int smc911x_ofdata_to_platdata(struct udevice *dev)
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{
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struct smc911x_priv *priv = dev_get_priv(dev);
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struct eth_pdata *pdata = dev_get_platdata(dev);
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pdata->iobase = devfdt_get_addr(dev);
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priv->iobase = pdata->iobase;
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return 0;
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}
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static const struct eth_ops smc911x_ops = {
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.start = smc911x_start,
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.send = smc911x_send,
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.recv = smc911x_recv,
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.stop = smc911x_stop,
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};
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static const struct udevice_id smc911x_ids[] = {
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{ .compatible = "smsc,lan9115" },
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{ }
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};
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U_BOOT_DRIVER(smc911x) = {
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.name = "eth_smc911x",
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.id = UCLASS_ETH,
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.of_match = smc911x_ids,
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.bind = smc911x_bind,
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.ofdata_to_platdata = smc911x_ofdata_to_platdata,
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.probe = smc911x_probe,
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.ops = &smc911x_ops,
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.priv_auto_alloc_size = sizeof(struct smc911x_priv),
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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
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@ -5,10 +5,13 @@
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extra-y := hello_world
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extra-$(CONFIG_SMC91111) += smc91111_eeprom
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extra-$(CONFIG_SMC911X) += smc911x_eeprom
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extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
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extra-$(CONFIG_PPC) += sched
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ifndef CONFIG_DM_ETH
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extra-$(CONFIG_SMC911X) += smc911x_eeprom
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endif
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#
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# Some versions of make do not handle trailing white spaces properly;
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# leading to build failures. The problem was found with GNU Make 3.80.
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