Add support for U-Boot DM and DT probing.
Signed-off-by: Marek Vasut marex@denx.de Cc: Eugen Hristev eugen.hristev@microchip.com Cc: Joe Hershberger joe.hershberger@ni.com --- drivers/net/ks8851_mll.c | 103 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+)
diff --git a/drivers/net/ks8851_mll.c b/drivers/net/ks8851_mll.c index 5a566d1c66..279cf71332 100644 --- a/drivers/net/ks8851_mll.c +++ b/drivers/net/ks8851_mll.c @@ -26,7 +26,9 @@ * @extra_byte : number of extra byte prepended rx pkt. */ struct ks_net { +#ifndef CONFIG_DM_ETH struct eth_device dev; +#endif phys_addr_t iobase; int bus_width; u16 sharedbus; @@ -500,6 +502,7 @@ static void ks8851_mll_write_hwaddr_common(struct ks_net *ks, u8 enetaddr[6]) ks_wrreg16(ks, KS_MARL, addrl); }
+#ifndef CONFIG_DM_ETH static int ks8851_mll_init(struct eth_device *dev, bd_t *bd) { struct ks_net *ks = container_of(dev, struct ks_net, dev); @@ -569,3 +572,103 @@ int ks8851_mll_initialize(u8 dev_num, int base_addr)
return 0; } +#else /* ifdef CONFIG_DM_ETH */ +static int ks8851_start(struct udevice *dev) +{ + struct ks_net *ks = dev_get_priv(dev); + + return ks8851_mll_init_common(ks); +} + +static void ks8851_stop(struct udevice *dev) +{ + struct ks_net *ks = dev_get_priv(dev); + + ks8851_mll_halt_common(ks); +} + +static int ks8851_send(struct udevice *dev, void *packet, int length) +{ + struct ks_net *ks = dev_get_priv(dev); + int ret; + + ret = ks8851_mll_send_common(ks, packet, length); + + return ret ? 0 : -ETIMEDOUT; +} + +static int ks8851_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct ks_net *ks = dev_get_priv(dev); + uchar *data = net_rx_packets[0]; + int ret; + + ret = ks8851_mll_recv_common(ks, data); + if (ret) + *packetp = (void *)data; + + return ret ? ret : -EAGAIN; +} + +static int ks8851_write_hwaddr(struct udevice *dev) +{ + struct ks_net *ks = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + + ks8851_mll_write_hwaddr_common(ks, pdata->enetaddr); + + return 0; +} + +static int ks8851_bind(struct udevice *dev) +{ + return device_set_name(dev, dev->name); +} + +static int ks8851_probe(struct udevice *dev) +{ + struct ks_net *ks = dev_get_priv(dev); + + /* Try to detect chip. Will fail if not present. */ + ks8851_mll_detect_chip(ks); + + return 0; +} + +static int ks8851_ofdata_to_platdata(struct udevice *dev) +{ + struct ks_net *ks = dev_get_priv(dev); + struct eth_pdata *pdata = dev_get_platdata(dev); + + pdata->iobase = devfdt_get_addr(dev); + ks->iobase = pdata->iobase; + + return 0; +} + +static const struct eth_ops ks8851_ops = { + .start = ks8851_start, + .stop = ks8851_stop, + .send = ks8851_send, + .recv = ks8851_recv, + .write_hwaddr = ks8851_write_hwaddr, +}; + +static const struct udevice_id ks8851_ids[] = { + { .compatible = "micrel,ks8851-mll" }, + { } +}; + +U_BOOT_DRIVER(ks8851) = { + .name = "eth_ks8851", + .id = UCLASS_ETH, + .of_match = ks8851_ids, + .bind = ks8851_bind, + .ofdata_to_platdata = ks8851_ofdata_to_platdata, + .probe = ks8851_probe, + .ops = &ks8851_ops, + .priv_auto_alloc_size = sizeof(struct ks_net), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; +#endif