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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.c44
1 files changed, 26 insertions, 18 deletions
diff --git a/drivers/usb/eth/asix.c b/drivers/usb/eth/asix.c
index 8fb7fc8..50cbbbd 100644
--- a/drivers/usb/eth/asix.c
+++ b/drivers/usb/eth/asix.c
@@ -310,55 +310,60 @@ static int mii_nway_restart(struct ueth_data *dev)
return r;
}
-/*
- * Asix callbacks
- */
-static int asix_init(struct eth_device *eth, bd_t *bd)
+static int asix_basic_reset(struct ueth_data *dev)
{
int embd_phy;
- ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buf, ETH_ALEN);
u16 rx_ctl;
- 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 (asix_write_gpio(dev,
AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5) < 0)
- goto out_err;
+ return -1;
/* 0x10 is the phy id of the embedded 10/100 ethernet phy */
embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
if (asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT,
embd_phy, 0, 0, NULL) < 0) {
debug("Select PHY #1 failed\n");
- goto out_err;
+ return -1;
}
if (asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL) < 0)
- goto out_err;
+ return -1;
if (asix_sw_reset(dev, AX_SWRESET_CLEAR) < 0)
- goto out_err;
+ return -1;
if (embd_phy) {
if (asix_sw_reset(dev, AX_SWRESET_IPRL) < 0)
- goto out_err;
+ return -1;
} else {
if (asix_sw_reset(dev, AX_SWRESET_PRTE) < 0)
- goto out_err;
+ return -1;
}
rx_ctl = asix_read_rx_ctl(dev);
debug("RX_CTL is 0x%04x after software reset\n", rx_ctl);
if (asix_write_rx_ctl(dev, 0x0000) < 0)
- goto out_err;
+ return -1;
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) {
@@ -635,5 +640,8 @@ int asix_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
eth->halt = asix_halt;
eth->priv = ss;
+ if (asix_basic_reset(ss))
+ return 0;
+
return 1;
}