/*
* Copyright (c) 2011 The Chromium OS Authors.
- * See file CREDITS for list of people who contributed to this
- * project.
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
+ * Patched for AX88772B by Antmicro Ltd <www.antmicro.com>
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
#include <usb.h>
+#include <malloc.h>
+#include <memalign.h>
#include <linux/mii.h>
#include "usb_ether.h"
-
/* ASIX AX8817X based USB 2.0 Ethernet Devices */
#define AX_CMD_SET_SW_MII 0x06
#define AX_CMD_READ_MII_REG 0x07
#define AX_CMD_WRITE_MII_REG 0x08
#define AX_CMD_SET_HW_MII 0x0a
+#define AX_CMD_READ_EEPROM 0x0b
#define AX_CMD_READ_RX_CTL 0x0f
#define AX_CMD_WRITE_RX_CTL 0x10
#define AX_CMD_WRITE_IPG0 0x12
#define AX_CMD_READ_NODE_ID 0x13
+#define AX_CMD_WRITE_NODE_ID 0x14
#define AX_CMD_READ_PHY_ID 0x19
#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
#define AX_CMD_WRITE_GPIOS 0x1f
#define AX_RX_URB_SIZE 2048
#define PHY_CONNECT_TIMEOUT 5000
+/* asix_flags defines */
+#define FLAG_NONE 0
+#define FLAG_TYPE_AX88172 (1U << 0)
+#define FLAG_TYPE_AX88772 (1U << 1)
+#define FLAG_TYPE_AX88772B (1U << 2)
+#define FLAG_EEPROM_MAC (1U << 3) /* initial mac address in eeprom */
+
+
+/* driver private */
+struct asix_private {
+ int flags;
+#ifdef CONFIG_DM_ETH
+ struct ueth_data ueth;
+#endif
+};
+
+#ifndef CONFIG_DM_ETH
/* local vars */
static int curr_eth_dev; /* index for name of next device detected */
+#endif
/*
* Asix infrastructure commands
return ret;
}
+static int asix_write_hwaddr_common(struct ueth_data *dev, uint8_t *enetaddr)
+{
+ int ret;
+ ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, ETH_ALEN);
+
+ memcpy(buf, enetaddr, ETH_ALEN);
+
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0)
+ debug("Failed to set MAC address: %02x\n", ret);
+
+ return ret;
+}
+
/*
* mii commands
*/
return r;
}
+static int asix_read_mac_common(struct ueth_data *dev,
+ struct asix_private *priv, uint8_t *enetaddr)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, ETH_ALEN);
+ int i;
+
+ if (priv->flags & FLAG_EEPROM_MAC) {
+ for (i = 0; i < (ETH_ALEN >> 1); i++) {
+ if (asix_read_cmd(dev, AX_CMD_READ_EEPROM,
+ 0x04 + i, 0, 2, buf) < 0) {
+ debug("Failed to read SROM address 04h.\n");
+ return -1;
+ }
+ memcpy(enetaddr + i * 2, buf, 2);
+ }
+ } else {
+ if (asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf)
+ < 0) {
+ debug("Failed to read MAC address.\n");
+ return -1;
+ }
+ memcpy(enetaddr, buf, ETH_ALEN);
+ }
+
+ return 0;
+}
+
static int asix_basic_reset(struct ueth_data *dev)
{
int embd_phy;
rx_ctl = asix_read_rx_ctl(dev);
debug("RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl);
- return 0;
-}
-
-/*
- * Asix callbacks
- */
-static int asix_init(struct eth_device *eth, bd_t *bd)
-{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- int timeout = 0;
-#define TIMEOUT_RESOLUTION 50 /* ms */
- int link_detected;
-
- debug("** %s()\n", __func__);
-
- /* Get the MAC address */
- if (asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
- 0, 0, ETH_ALEN, buf) < 0) {
- debug("Failed to read MAC address.\n");
- goto out_err;
- }
- memcpy(eth->enetaddr, buf, ETH_ALEN);
- debug("MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
- eth->enetaddr[0], eth->enetaddr[1],
- eth->enetaddr[2], eth->enetaddr[3],
- eth->enetaddr[4], eth->enetaddr[5]);
-
dev->phy_id = asix_get_phy_addr(dev);
if (dev->phy_id < 0)
debug("Failed to read phy id\n");
- if (asix_sw_reset(dev, AX_SWRESET_PRL) < 0)
- goto out_err;
-
- if (asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL) < 0)
- goto out_err;
-
asix_mdio_write(dev, dev->phy_id, MII_BMCR, BMCR_RESET);
asix_mdio_write(dev, dev->phy_id, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_CSMA);
mii_nway_restart(dev);
if (asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT) < 0)
- goto out_err;
+ return -1;
if (asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
AX88772_IPG2_DEFAULT, 0, NULL) < 0) {
debug("Write IPG,IPG1,IPG2 failed\n");
- goto out_err;
+ return -1;
}
+ return 0;
+}
+
+static int asix_init_common(struct ueth_data *dev, uint8_t *enetaddr)
+{
+ int timeout = 0;
+#define TIMEOUT_RESOLUTION 50 /* ms */
+ int link_detected;
+
+ debug("** %s()\n", __func__);
+
if (asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL) < 0)
goto out_err;
+ if (asix_write_hwaddr_common(dev, enetaddr) < 0)
+ goto out_err;
+
do {
link_detected = asix_mdio_read(dev, dev->phy_id, MII_BMSR) &
BMSR_LSTATUS;
goto out_err;
}
+ /*
+ * Wait some more to avoid timeout on first transfer
+ * (e.g. EHCI timed out on TD - token=0x8008d80)
+ */
+ mdelay(25);
+
return 0;
out_err:
return -1;
}
-static int asix_send(struct eth_device *eth, void *packet, int length)
+static int asix_send_common(struct ueth_data *dev, void *packet, int length)
{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
int err;
u32 packet_len;
int actual_len;
memcpy(msg, &packet_len, sizeof(packet_len));
memcpy(msg + sizeof(packet_len), (void *)packet, length);
- if (length & 1)
- length++;
err = usb_bulk_msg(dev->pusb_dev,
usb_sndbulkpipe(dev->pusb_dev, dev->ep_out),
length + sizeof(packet_len),
&actual_len,
USB_BULK_SEND_TIMEOUT);
- debug("Tx: len = %u, actual = %u, err = %d\n",
+ debug("Tx: len = %zu, actual = %u, err = %d\n",
length + sizeof(packet_len), actual_len, err);
return err;
}
+#ifndef CONFIG_DM_ETH
+/*
+ * Asix callbacks
+ */
+static int asix_init(struct eth_device *eth, bd_t *bd)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+
+ return asix_init_common(dev, eth->enetaddr);
+}
+
+static int asix_send(struct eth_device *eth, void *packet, int length)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+
+ return asix_send_common(dev, packet, length);
+}
+
static int asix_recv(struct eth_device *eth)
{
struct ueth_data *dev = (struct ueth_data *)eth->priv;
}
memcpy(&packet_len, buf_ptr, sizeof(packet_len));
le32_to_cpus(&packet_len);
- if (((packet_len >> 16) ^ 0xffff) != (packet_len & 0xffff)) {
+ if (((~packet_len >> 16) & 0x7ff) != (packet_len & 0x7ff)) {
debug("Rx: malformed packet length: %#x (%#x:%#x)\n",
- packet_len, (packet_len >> 16) ^ 0xffff,
- packet_len & 0xffff);
+ packet_len, (~packet_len >> 16) & 0x7ff,
+ packet_len & 0x7ff);
return -1;
}
- packet_len = packet_len & 0xffff;
+ packet_len = packet_len & 0x7ff;
if (packet_len > actual_len - sizeof(packet_len)) {
debug("Rx: too large packet: %d\n", packet_len);
return -1;
}
/* Notify net stack */
- NetReceive(buf_ptr + sizeof(packet_len), packet_len);
+ net_process_received_packet(buf_ptr + sizeof(packet_len),
+ packet_len);
/* Adjust for next iteration. Packets are padded to 16-bits */
if (packet_len & 1)
debug("** %s()\n", __func__);
}
+static int asix_write_hwaddr(struct eth_device *eth)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+
+ return asix_write_hwaddr_common(dev, eth->enetaddr);
+}
+
/*
* Asix probing functions
*/
struct asix_dongle {
unsigned short vendor;
unsigned short product;
+ int flags;
};
-static struct asix_dongle asix_dongles[] = {
- { 0x05ac, 0x1402 }, /* Apple USB Ethernet Adapter */
- { 0x07d1, 0x3c05 }, /* D-Link DUB-E100 H/W Ver B1 */
- { 0x0b95, 0x772a }, /* Cables-to-Go USB Ethernet Adapter */
- { 0x0b95, 0x7720 }, /* Trendnet TU2-ET100 V3.0R */
- { 0x0b95, 0x1720 }, /* SMC */
- { 0x0db0, 0xa877 }, /* MSI - ASIX 88772a */
- { 0x13b1, 0x0018 }, /* Linksys 200M v2.1 */
- { 0x1557, 0x7720 }, /* 0Q0 cable ethernet */
- { 0x2001, 0x3c05 }, /* DLink DUB-E100 H/W Ver B1 Alternate */
- { 0x0000, 0x0000 } /* END - Do not remove */
+static const struct asix_dongle asix_dongles[] = {
+ { 0x05ac, 0x1402, FLAG_TYPE_AX88772 }, /* Apple USB Ethernet Adapter */
+ { 0x07d1, 0x3c05, FLAG_TYPE_AX88772 }, /* D-Link DUB-E100 H/W Ver B1 */
+ { 0x2001, 0x1a02, FLAG_TYPE_AX88772 }, /* D-Link DUB-E100 H/W Ver C1 */
+ /* Cables-to-Go USB Ethernet Adapter */
+ { 0x0b95, 0x772a, FLAG_TYPE_AX88772 },
+ { 0x0b95, 0x7720, FLAG_TYPE_AX88772 }, /* Trendnet TU2-ET100 V3.0R */
+ { 0x0b95, 0x1720, FLAG_TYPE_AX88172 }, /* SMC */
+ { 0x0db0, 0xa877, FLAG_TYPE_AX88772 }, /* MSI - ASIX 88772a */
+ { 0x13b1, 0x0018, FLAG_TYPE_AX88172 }, /* Linksys 200M v2.1 */
+ { 0x1557, 0x7720, FLAG_TYPE_AX88772 }, /* 0Q0 cable ethernet */
+ /* DLink DUB-E100 H/W Ver B1 Alternate */
+ { 0x2001, 0x3c05, FLAG_TYPE_AX88772 },
+ /* ASIX 88772B */
+ { 0x0b95, 0x772b, FLAG_TYPE_AX88772B | FLAG_EEPROM_MAC },
+ { 0x0b95, 0x7e2b, FLAG_TYPE_AX88772B },
+ { 0x0000, 0x0000, FLAG_NONE } /* END - Do not remove */
};
/* Probe to see if a new device is actually an asix device */
{
struct usb_interface *iface;
struct usb_interface_descriptor *iface_desc;
+ int ep_in_found = 0, ep_out_found = 0;
int i;
/* let's examine the device now */
ss->subclass = iface_desc->bInterfaceSubClass;
ss->protocol = iface_desc->bInterfaceProtocol;
+ /* alloc driver private */
+ ss->dev_priv = calloc(1, sizeof(struct asix_private));
+ if (!ss->dev_priv)
+ return 0;
+
+ ((struct asix_private *)ss->dev_priv)->flags = asix_dongles[i].flags;
+
/*
* We are expecting a minimum of 3 endpoints - in, out (bulk), and
* int. We will ignore any others.
/* is it an BULK endpoint? */
if ((iface->ep_desc[i].bmAttributes &
USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) {
- if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN)
- ss->ep_in = iface->ep_desc[i].bEndpointAddress &
- USB_ENDPOINT_NUMBER_MASK;
- else
- ss->ep_out =
- iface->ep_desc[i].bEndpointAddress &
- USB_ENDPOINT_NUMBER_MASK;
+ u8 ep_addr = iface->ep_desc[i].bEndpointAddress;
+ if (ep_addr & USB_DIR_IN) {
+ if (!ep_in_found) {
+ ss->ep_in = ep_addr &
+ USB_ENDPOINT_NUMBER_MASK;
+ ep_in_found = 1;
+ }
+ } else {
+ if (!ep_out_found) {
+ ss->ep_out = ep_addr &
+ USB_ENDPOINT_NUMBER_MASK;
+ ep_out_found = 1;
+ }
+ }
}
/* is it an interrupt endpoint? */
int asix_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
struct eth_device *eth)
{
+ struct asix_private *priv = (struct asix_private *)ss->dev_priv;
+
if (!eth) {
debug("%s: missing parameter.\n", __func__);
return 0;
eth->send = asix_send;
eth->recv = asix_recv;
eth->halt = asix_halt;
+ if (!(priv->flags & FLAG_TYPE_AX88172))
+ eth->write_hwaddr = asix_write_hwaddr;
eth->priv = ss;
if (asix_basic_reset(ss))
return 0;
+ /* Get the MAC address */
+ if (asix_read_mac_common(ss, priv, eth->enetaddr))
+ return 0;
+ debug("MAC %pM\n", eth->enetaddr);
+
return 1;
}
+#endif
+
+#ifdef CONFIG_DM_ETH
+static int asix_eth_start(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct asix_private *priv = dev_get_priv(dev);
+
+ return asix_init_common(&priv->ueth, pdata->enetaddr);
+}
+
+void asix_eth_stop(struct udevice *dev)
+{
+ debug("** %s()\n", __func__);
+}
+
+int asix_eth_send(struct udevice *dev, void *packet, int length)
+{
+ struct asix_private *priv = dev_get_priv(dev);
+
+ return asix_send_common(&priv->ueth, packet, length);
+}
+
+int asix_eth_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct asix_private *priv = dev_get_priv(dev);
+ struct ueth_data *ueth = &priv->ueth;
+ uint8_t *ptr;
+ int ret, len;
+ u32 packet_len;
+
+ 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, AX_RX_URB_SIZE);
+ if (ret == -EAGAIN)
+ return ret;
+
+ len = usb_ether_get_rx_bytes(ueth, &ptr);
+ debug("%s: second try, len=%d\n", __func__, len);
+ }
+
+ /*
+ * 1st 4 bytes contain the length of the actual data as two
+ * complementary 16-bit words. Extract the length of the data.
+ */
+ if (len < sizeof(packet_len)) {
+ debug("Rx: incomplete packet length\n");
+ goto err;
+ }
+ memcpy(&packet_len, ptr, sizeof(packet_len));
+ le32_to_cpus(&packet_len);
+ if (((~packet_len >> 16) & 0x7ff) != (packet_len & 0x7ff)) {
+ debug("Rx: malformed packet length: %#x (%#x:%#x)\n",
+ packet_len, (~packet_len >> 16) & 0x7ff,
+ packet_len & 0x7ff);
+ goto err;
+ }
+ packet_len = packet_len & 0x7ff;
+ if (packet_len > len - sizeof(packet_len)) {
+ debug("Rx: too large packet: %d\n", packet_len);
+ goto err;
+ }
+
+ *packetp = ptr + sizeof(packet_len);
+ return packet_len;
+
+err:
+ usb_ether_advance_rxbuf(ueth, -1);
+ return -EINVAL;
+}
+
+static int asix_free_pkt(struct udevice *dev, uchar *packet, int packet_len)
+{
+ struct asix_private *priv = dev_get_priv(dev);
+
+ if (packet_len & 1)
+ packet_len++;
+ usb_ether_advance_rxbuf(&priv->ueth, sizeof(u32) + packet_len);
+
+ return 0;
+}
+
+int asix_write_hwaddr(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct asix_private *priv = dev_get_priv(dev);
+
+ if (priv->flags & FLAG_TYPE_AX88172)
+ return -ENOSYS;
+
+ return asix_write_hwaddr_common(&priv->ueth, pdata->enetaddr);
+}
+
+static int asix_eth_probe(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct asix_private *priv = dev_get_priv(dev);
+ struct ueth_data *ss = &priv->ueth;
+ int ret;
+
+ priv->flags = dev->driver_data;
+ ret = usb_ether_register(dev, ss, AX_RX_URB_SIZE);
+ if (ret)
+ return ret;
+
+ ret = asix_basic_reset(ss);
+ if (ret)
+ goto err;
+
+ /* Get the MAC address */
+ ret = asix_read_mac_common(ss, priv, pdata->enetaddr);
+ if (ret)
+ goto err;
+ debug("MAC %pM\n", pdata->enetaddr);
+
+ return 0;
+
+err:
+ return usb_ether_deregister(ss);
+}
+
+static const struct eth_ops asix_eth_ops = {
+ .start = asix_eth_start,
+ .send = asix_eth_send,
+ .recv = asix_eth_recv,
+ .free_pkt = asix_free_pkt,
+ .stop = asix_eth_stop,
+ .write_hwaddr = asix_write_hwaddr,
+};
+
+U_BOOT_DRIVER(asix_eth) = {
+ .name = "asix_eth",
+ .id = UCLASS_ETH,
+ .probe = asix_eth_probe,
+ .ops = &asix_eth_ops,
+ .priv_auto_alloc_size = sizeof(struct asix_private),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+};
+
+static const struct usb_device_id asix_eth_id_table[] = {
+ /* Apple USB Ethernet Adapter */
+ { USB_DEVICE(0x05ac, 0x1402), .driver_info = FLAG_TYPE_AX88772 },
+ /* D-Link DUB-E100 H/W Ver B1 */
+ { USB_DEVICE(0x07d1, 0x3c05), .driver_info = FLAG_TYPE_AX88772 },
+ /* D-Link DUB-E100 H/W Ver C1 */
+ { USB_DEVICE(0x2001, 0x1a02), .driver_info = FLAG_TYPE_AX88772 },
+ /* Cables-to-Go USB Ethernet Adapter */
+ { USB_DEVICE(0x0b95, 0x772a), .driver_info = FLAG_TYPE_AX88772 },
+ /* Trendnet TU2-ET100 V3.0R */
+ { USB_DEVICE(0x0b95, 0x7720), .driver_info = FLAG_TYPE_AX88772 },
+ /* SMC */
+ { USB_DEVICE(0x0b95, 0x1720), .driver_info = FLAG_TYPE_AX88172 },
+ /* MSI - ASIX 88772a */
+ { USB_DEVICE(0x0db0, 0xa877), .driver_info = FLAG_TYPE_AX88772 },
+ /* Linksys 200M v2.1 */
+ { USB_DEVICE(0x13b1, 0x0018), .driver_info = FLAG_TYPE_AX88172 },
+ /* 0Q0 cable ethernet */
+ { USB_DEVICE(0x1557, 0x7720), .driver_info = FLAG_TYPE_AX88772 },
+ /* DLink DUB-E100 H/W Ver B1 Alternate */
+ { USB_DEVICE(0x2001, 0x3c05), .driver_info = FLAG_TYPE_AX88772 },
+ /* ASIX 88772B */
+ { USB_DEVICE(0x0b95, 0x772b),
+ .driver_info = FLAG_TYPE_AX88772B | FLAG_EEPROM_MAC },
+ { USB_DEVICE(0x0b95, 0x7e2b), .driver_info = FLAG_TYPE_AX88772B },
+ { } /* Terminating entry */
+};
+
+U_BOOT_USB_DEVICE(asix_eth, asix_eth_id_table);
+#endif
git.openpandora.org / pandora-u-boot.git / blobdiff