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path: root/drivers/usb/eth/asix.c
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Diffstat (limited to 'drivers/usb/eth/asix.c')
-rw-r--r--drivers/usb/eth/asix.c129
1 files changed, 94 insertions, 35 deletions
diff --git a/drivers/usb/eth/asix.c b/drivers/usb/eth/asix.c
index 3cc9012e15..790390a2fc 100644
--- a/drivers/usb/eth/asix.c
+++ b/drivers/usb/eth/asix.c
@@ -1,5 +1,9 @@
/*
* Copyright (c) 2011 The Chromium OS Authors.
+ * Copyright (c) 2012 Toradex, Inc.
+ *
+ * Patched for AX88772B by Ant Micro <www.antmicro.com>
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -79,9 +83,16 @@
#define AX_RX_CTL_SO 0x0080
#define AX_RX_CTL_AB 0x0008
+/* AX88772B RX_CTL values */
+#define AX_RX_CTL_START 0x0080 /* Ethernet MAC start */
+#define AX_RX_CTL_AB 0x0008 /* Accetp Brocadcast frames*/
+#define AX_RX_CTL_RH1M 0x0100 /* Enable RX-Header mode 0 */
+#define AX_RX_CTL_RH2M 0x0200 /* Enable IP header in receive buffer aligned on 32-bit aligment */
+#define AX_RX_HEADER_DEFAULT (AX_RX_CTL_RH1M | AX_RX_CTL_RH2M)
+
+
#define AX_DEFAULT_RX_CTL \
(AX_RX_CTL_SO | AX_RX_CTL_AB)
-#define AX_DISABLE_RX_CTL AX_RX_CTL_AB
/* GPIO 2 toggles */
#define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
@@ -241,7 +252,6 @@ static int asix_write_medium_mode(struct ueth_data *dev, u16 mode)
return ret;
}
-#ifdef DEBUG
static u16 asix_read_rx_ctl(struct ueth_data *dev)
{
__le16 v;
@@ -253,7 +263,6 @@ static u16 asix_read_rx_ctl(struct ueth_data *dev)
ret = le16_to_cpu(v);
return ret;
}
-#endif
static int asix_write_rx_ctl(struct ueth_data *dev, u16 mode)
{
@@ -310,11 +319,22 @@ static int mii_nway_restart(struct ueth_data *dev)
return r;
}
-static int full_init(struct eth_device *eth)
+/*
+ * Asix callbacks
+ */
+static int asix_init(struct eth_device *eth, bd_t *bd)
{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
int embd_phy;
unsigned char buf[ETH_ALEN];
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+ int timeout = 0;
+ char *addr_str, *end;
+ int i;
+ unsigned char env_enetaddr[6] = {0, 0, 0, 0, 0, 0}; /* Ethernet address */
+#define TIMEOUT_RESOLUTION 50 /* ms */
+ int link_detected;
+
+ debug("** %s()\n", __func__);
if (asix_write_gpio(dev,
AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5) < 0)
@@ -342,11 +362,55 @@ static int full_init(struct eth_device *eth)
goto out_err;
}
- debug("RX_CTL is 0x%04x after software reset\n", asix_read_rx_ctl(dev));
+ (void) asix_read_rx_ctl(dev);
if (asix_write_rx_ctl(dev, 0x0000) < 0)
goto out_err;
- debug("RX_CTL is 0x%04x setting to 0x0000\n", asix_read_rx_ctl(dev));
+ (void) asix_read_rx_ctl(dev);
+
+ if ((dev->pusb_dev->descriptor.idVendor == 0x0b95) && (dev->pusb_dev->descriptor.idProduct == 0x772b)) {
+ #define AX_CMD_READ_EEPROM 0x0B
+ #define AX_CMD_WRITE_NODE_ID 0x14
+ // read MAC from EEPROM
+ memset(buf, 0, ETH_ALEN);
+ int i,ret;
+ for (i = 0; i < (ETH_ALEN >> 1); i++) {
+ if ((ret = asix_read_cmd (dev, AX_CMD_READ_EEPROM,
+ 0x04 + i, 0, 2, (buf + i * 2))) < 0) {
+ debug("read SROM address 04h failed: %d", ret);
+ goto out_err;
+ }
+ }
+ memcpy(eth->enetaddr, buf, ETH_ALEN);
+ debug("Read 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]);
+
+ if ((ret = asix_write_cmd (dev, AX_CMD_WRITE_NODE_ID,
+ 0, 0, ETH_ALEN, buf)) < 0) {
+ debug("set MAC address failed: %d", ret);
+ goto out_err;
+ }
+ }
+
+
+ /* Get MAC address from environment */
+ if ((addr_str = getenv("ethaddr")) != NULL) {
+ for (i = 0; i < 6; i++) {
+ env_enetaddr[i] = addr_str ? simple_strtoul(addr_str, &end, 16) : 0;
+ if (addr_str) {
+ addr_str = (*end) ? end + 1 : end;
+ }
+ }
+ }
+ memcpy(eth->enetaddr, env_enetaddr, ETH_ALEN);
+ int ret;
+ if ((ret = asix_write_cmd (dev, AX_CMD_WRITE_NODE_ID,
+ 0, 0, ETH_ALEN, env_enetaddr)) < 0) {
+ debug("set MAC address failed: %d", ret);
+ goto out_err;
+ }
/* Get the MAC address */
if (asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
@@ -384,28 +448,14 @@ static int full_init(struct eth_device *eth)
debug("Write IPG,IPG1,IPG2 failed\n");
goto out_err;
}
- return 0;
-out_err:
- return -1;
-}
-/*
- * 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__);
+ if ((dev->pusb_dev->descriptor.idVendor == 0x0b95) && (dev->pusb_dev->descriptor.idProduct == 0x772b)) {
+ if (asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL | AX_RX_HEADER_DEFAULT) < 0) goto out_err;
+ } else if (asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL) < 0)
+ goto out_err;
- if (!dev->has_been_running && full_init(eth))
- return -1;
- if (asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL) < 0)
- return -1;
do {
link_detected = asix_mdio_read(dev, dev->phy_id, MII_BMSR) &
BMSR_LSTATUS;
@@ -421,11 +471,16 @@ static int asix_init(struct eth_device *eth, bd_t *bd)
printf("done.\n");
} else {
printf("unable to connect.\n");
- return -1;
+ goto out_err;
}
- dev->has_been_running = 1;
+ /* Wait some more to avoid timeout on first transfer
+ (e.g. EHCI timed out on TD - token=0x8008d80) */
+ udelay(25000);
+
return 0;
+out_err:
+ return -1;
}
static int asix_send(struct eth_device *eth, volatile void *packet, int length)
@@ -510,6 +565,8 @@ static int asix_recv(struct eth_device *eth)
return -1;
}
+ if ((dev->pusb_dev->descriptor.idVendor == 0x0b95) && (dev->pusb_dev->descriptor.idProduct == 0x772b)) buf_ptr += 2;
+
/* Notify net stack */
NetReceive(buf_ptr + sizeof(packet_len), packet_len);
@@ -525,11 +582,7 @@ static int asix_recv(struct eth_device *eth)
static void asix_halt(struct eth_device *eth)
{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
-
- /* Disable packet reception */
debug("** %s()\n", __func__);
- (void)asix_write_rx_ctl(dev, AX_DISABLE_RX_CTL);
}
/*
@@ -555,6 +608,7 @@ static struct asix_dongle asix_dongles[] = {
{ 0x13b1, 0x0018 }, /* Linksys 200M v2.1 */
{ 0x1557, 0x7720 }, /* 0Q0 cable ethernet */
{ 0x2001, 0x3c05 }, /* DLink DUB-E100 H/W Ver B1 Alternate */
+ { 0x0b95, 0x772b }, /* ASIX 88772B */
{ 0x0000, 0x0000 } /* END - Do not remove */
};
@@ -596,17 +650,22 @@ int asix_eth_probe(struct usb_device *dev, unsigned int ifnum,
* We are expecting a minimum of 3 endpoints - in, out (bulk), and
* int. We will ignore any others.
*/
+ int ep_in_found = 0;
+ int ep_out_found = 0;
for (i = 0; i < iface_desc->bNumEndpoints; i++) {
/* 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 &
+ if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN) {
+ if (ep_in_found == 0) ss->ep_in = iface->ep_desc[i].bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK;
- else
- ss->ep_out =
+ ep_in_found = 1;
+ } else {
+ if (ep_out_found == 0) ss->ep_out =
iface->ep_desc[i].bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK;
+ ep_out_found = 1;
+ }
}
/* is it an interrupt endpoint? */
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-11 23:37:37 +0000