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>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index bc518f2..a2587a2 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -388,11 +388,13 @@
if SMC911X
+if !DM_ETH
config SMC911X_BASE
hex "SMC911X Base Address"
help
Define this to hold the physical address
of the device (I/O space)
+endif #DM_ETH
choice
prompt "SMC911X bus width"
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 95f955f..45ecd6a 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -21,7 +21,9 @@
};
struct smc911x_priv {
+#ifndef CONFIG_DM_ETH
struct eth_device dev;
+#endif
phys_addr_t iobase;
const struct chip_id *chipid;
unsigned char enetaddr[6];
@@ -370,6 +372,8 @@
return pktlen;
}
+#ifndef CONFIG_DM_ETH
+
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
/* wrapper for smc911x_eth_phy_read */
static int smc911x_miiphy_read(struct mii_dev *bus, int phy, int devad,
@@ -494,6 +498,7 @@
priv->enetaddr[3] = addrl >> 24;
priv->enetaddr[4] = addrh;
priv->enetaddr[5] = addrh >> 8;
+ memcpy(priv->dev.enetaddr, priv->enetaddr, 6);
}
priv->dev.init = smc911x_init;
@@ -516,3 +521,113 @@
free(priv);
return ret;
}
+
+#else /* ifdef CONFIG_DM_ETH */
+
+static int smc911x_start(struct udevice *dev)
+{
+ struct eth_pdata *plat = dev_get_platdata(dev);
+ struct smc911x_priv *priv = dev_get_priv(dev);
+
+ memcpy(priv->enetaddr, plat->enetaddr, sizeof(plat->enetaddr));
+
+ return smc911x_init_common(priv);
+}
+
+static void smc911x_stop(struct udevice *dev)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+
+ smc911x_halt_common(priv);
+}
+
+static int smc911x_send(struct udevice *dev, void *packet, int length)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+ int ret;
+
+ ret = smc911x_send_common(priv, packet, length);
+
+ return ret ? 0 : -ETIMEDOUT;
+}
+
+static int smc911x_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+ u32 *data = (u32 *)net_rx_packets[0];
+ int ret;
+
+ ret = smc911x_recv_common(priv, data);
+ if (ret)
+ *packetp = (void *)data;
+
+ return ret ? ret : -EAGAIN;
+}
+
+static int smc911x_bind(struct udevice *dev)
+{
+ return device_set_name(dev, dev->name);
+}
+
+static int smc911x_probe(struct udevice *dev)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+ unsigned long addrh, addrl;
+ int ret;
+
+ /* Try to detect chip. Will fail if not present. */
+ ret = smc911x_detect_chip(priv);
+ if (ret)
+ return ret;
+
+ addrh = smc911x_get_mac_csr(priv, ADDRH);
+ addrl = smc911x_get_mac_csr(priv, ADDRL);
+ if (!(addrl == 0xffffffff && addrh == 0x0000ffff)) {
+ /* address is obtained from optional eeprom */
+ priv->enetaddr[0] = addrl;
+ priv->enetaddr[1] = addrl >> 8;
+ priv->enetaddr[2] = addrl >> 16;
+ priv->enetaddr[3] = addrl >> 24;
+ priv->enetaddr[4] = addrh;
+ priv->enetaddr[5] = addrh >> 8;
+ }
+
+ return 0;
+}
+
+static int smc911x_ofdata_to_platdata(struct udevice *dev)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+
+ pdata->iobase = devfdt_get_addr(dev);
+ priv->iobase = pdata->iobase;
+
+ return 0;
+}
+
+static const struct eth_ops smc911x_ops = {
+ .start = smc911x_start,
+ .send = smc911x_send,
+ .recv = smc911x_recv,
+ .stop = smc911x_stop,
+};
+
+static const struct udevice_id smc911x_ids[] = {
+ { .compatible = "smsc,lan9115" },
+ { }
+};
+
+U_BOOT_DRIVER(smc911x) = {
+ .name = "eth_smc911x",
+ .id = UCLASS_ETH,
+ .of_match = smc911x_ids,
+ .bind = smc911x_bind,
+ .ofdata_to_platdata = smc911x_ofdata_to_platdata,
+ .probe = smc911x_probe,
+ .ops = &smc911x_ops,
+ .priv_auto_alloc_size = sizeof(struct smc911x_priv),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+#endif