+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2014 Rene Griessl <rgriessl@cit-ec.uni-bielefeld.de>
* based on the U-Boot Asix driver as well as information
* from the Linux AX88179_178a driver
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
+#include <log.h>
#include <usb.h>
#include <net.h>
+#include <linux/delay.h>
#include <linux/mii.h>
#include "usb_ether.h"
#include <malloc.h>
{7, 0xcc, 0x4c, 0x04, 8},
};
+#ifndef CONFIG_DM_ETH
static int curr_eth_dev; /* index for name of next device detected */
+#endif
/* driver private */
struct asix_private {
+#ifdef CONFIG_DM_ETH
+ struct ueth_data ueth;
+ unsigned pkt_cnt;
+ uint8_t *pkt_data;
+ uint32_t *pkt_hdr;
+#endif
int flags;
int rx_urb_size;
int maxpacketsize;
return err;
}
+#ifndef CONFIG_DM_ETH
/*
* Asix callbacks
*/
return 1;
}
+
+#else /* !CONFIG_DM_ETH */
+
+static int ax88179_eth_start(struct udevice *dev)
+{
+ struct asix_private *priv = dev_get_priv(dev);
+
+ return asix_init_common(&priv->ueth, priv);
+}
+
+void ax88179_eth_stop(struct udevice *dev)
+{
+ struct asix_private *priv = dev_get_priv(dev);
+ struct ueth_data *ueth = &priv->ueth;
+
+ debug("** %s()\n", __func__);
+
+ usb_ether_advance_rxbuf(ueth, -1);
+ priv->pkt_cnt = 0;
+ priv->pkt_data = NULL;
+ priv->pkt_hdr = NULL;
+}
+
+int ax88179_eth_send(struct udevice *dev, void *packet, int length)
+{
+ struct asix_private *priv = dev_get_priv(dev);
+
+ return asix_send_common(&priv->ueth, priv, packet, length);
+}
+
+int ax88179_eth_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct asix_private *priv = dev_get_priv(dev);
+ struct ueth_data *ueth = &priv->ueth;
+ int ret, len;
+ u16 pkt_len;
+
+ /* No packet left, get a new one */
+ if (priv->pkt_cnt == 0) {
+ uint8_t *ptr;
+ u16 pkt_cnt;
+ u16 hdr_off;
+ u32 rx_hdr;
+
+ len = usb_ether_get_rx_bytes(ueth, &ptr);
+ debug("%s: first try, len=%d\n", __func__, len);
+ if (!len) {
+ if (!(flags & ETH_RECV_CHECK_DEVICE))
+ return -EAGAIN;
+
+ ret = usb_ether_receive(ueth, priv->rx_urb_size);
+ if (ret < 0)
+ return ret;
+
+ len = usb_ether_get_rx_bytes(ueth, &ptr);
+ debug("%s: second try, len=%d\n", __func__, len);
+ }
+
+ if (len < 4) {
+ usb_ether_advance_rxbuf(ueth, -1);
+ return -EMSGSIZE;
+ }
+
+ rx_hdr = *(u32 *)(ptr + len - 4);
+ le32_to_cpus(&rx_hdr);
+
+ pkt_cnt = (u16)rx_hdr;
+ if (pkt_cnt == 0) {
+ usb_ether_advance_rxbuf(ueth, -1);
+ return 0;
+ }
+
+ hdr_off = (u16)(rx_hdr >> 16);
+ if (hdr_off > len - 4) {
+ usb_ether_advance_rxbuf(ueth, -1);
+ return -EIO;
+ }
+
+ priv->pkt_cnt = pkt_cnt;
+ priv->pkt_data = ptr;
+ priv->pkt_hdr = (u32 *)(ptr + hdr_off);
+ debug("%s: %d packets received, pkt header at %d\n",
+ __func__, (int)priv->pkt_cnt, (int)hdr_off);
+ }
+
+ le32_to_cpus(priv->pkt_hdr);
+ pkt_len = (*priv->pkt_hdr >> 16) & 0x1fff;
+
+ *packetp = priv->pkt_data + 2;
+
+ priv->pkt_data += (pkt_len + 7) & 0xFFF8;
+ priv->pkt_cnt--;
+ priv->pkt_hdr++;
+
+ debug("%s: return packet of %d bytes (%d packets left)\n",
+ __func__, (int)pkt_len, priv->pkt_cnt);
+ return pkt_len;
+}
+
+static int ax88179_free_pkt(struct udevice *dev, uchar *packet, int packet_len)
+{
+ struct asix_private *priv = dev_get_priv(dev);
+ struct ueth_data *ueth = &priv->ueth;
+
+ if (priv->pkt_cnt == 0)
+ usb_ether_advance_rxbuf(ueth, -1);
+
+ return 0;
+}
+
+int ax88179_write_hwaddr(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct asix_private *priv = dev_get_priv(dev);
+ struct ueth_data *ueth = &priv->ueth;
+
+ return asix_write_mac(ueth, pdata->enetaddr);
+}
+
+static int ax88179_eth_probe(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct asix_private *priv = dev_get_priv(dev);
+ struct usb_device *usb_dev;
+ int ret;
+
+ priv->flags = dev->driver_data;
+ ret = usb_ether_register(dev, &priv->ueth, AX_RX_URB_SIZE);
+ if (ret)
+ return ret;
+
+ usb_dev = priv->ueth.pusb_dev;
+ priv->maxpacketsize = usb_dev->epmaxpacketout[AX_ENDPOINT_OUT];
+
+ /* Get the MAC address */
+ ret = asix_read_mac(&priv->ueth, pdata->enetaddr);
+ if (ret)
+ return ret;
+ debug("MAC %pM\n", pdata->enetaddr);
+
+ return 0;
+}
+
+static const struct eth_ops ax88179_eth_ops = {
+ .start = ax88179_eth_start,
+ .send = ax88179_eth_send,
+ .recv = ax88179_eth_recv,
+ .free_pkt = ax88179_free_pkt,
+ .stop = ax88179_eth_stop,
+ .write_hwaddr = ax88179_write_hwaddr,
+};
+
+U_BOOT_DRIVER(ax88179_eth) = {
+ .name = "ax88179_eth",
+ .id = UCLASS_ETH,
+ .probe = ax88179_eth_probe,
+ .ops = &ax88179_eth_ops,
+ .priv_auto_alloc_size = sizeof(struct asix_private),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+};
+
+static const struct usb_device_id ax88179_eth_id_table[] = {
+ { USB_DEVICE(0x0b95, 0x1790), .driver_info = FLAG_TYPE_AX88179 },
+ { USB_DEVICE(0x0b95, 0x178a), .driver_info = FLAG_TYPE_AX88178a },
+ { USB_DEVICE(0x2001, 0x4a00), .driver_info = FLAG_TYPE_DLINK_DUB1312 },
+ { USB_DEVICE(0x0df6, 0x0072), .driver_info = FLAG_TYPE_SITECOM },
+ { USB_DEVICE(0x04e8, 0xa100), .driver_info = FLAG_TYPE_SAMSUNG },
+ { USB_DEVICE(0x17ef, 0x304b), .driver_info = FLAG_TYPE_LENOVO },
+ { USB_DEVICE(0x04b4, 0x3610), .driver_info = FLAG_TYPE_GX3 },
+ { } /* Terminating entry */
+};
+
+U_BOOT_USB_DEVICE(ax88179_eth, ax88179_eth_id_table);
+#endif /* !CONFIG_DM_ETH */
projects / oweals / u-boot.git / blobdiff