summaryrefslogtreecommitdiff
path: root/drivers/usb/eth/smsc95xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/eth/smsc95xx.c')
-rw-r--r--drivers/usb/eth/smsc95xx.c469
1 files changed, 322 insertions, 147 deletions
diff --git a/drivers/usb/eth/smsc95xx.c b/drivers/usb/eth/smsc95xx.c
index a7e50d6a6c..1dcd088b8d 100644
--- a/drivers/usb/eth/smsc95xx.c
+++ b/drivers/usb/eth/smsc95xx.c
@@ -1,4 +1,5 @@
/*
+ * Copyright (c) 2015 Google, Inc
* Copyright (c) 2011 The Chromium OS Authors.
* Copyright (C) 2009 NVIDIA, Corporation
* Copyright (C) 2007-2008 SMSC (Steve Glendinning)
@@ -6,12 +7,14 @@
* SPDX-License-Identifier: GPL-2.0+
*/
-#include <asm/unaligned.h>
#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <malloc.h>
#include <usb.h>
+#include <asm/unaligned.h>
#include <linux/mii.h>
#include "usb_ether.h"
-#include <malloc.h>
/* SMSC LAN95xx based USB 2.0 Ethernet Devices */
@@ -131,16 +134,21 @@
#define USB_BULK_SEND_TIMEOUT 5000
#define USB_BULK_RECV_TIMEOUT 5000
-#define AX_RX_URB_SIZE 2048
+#define RX_URB_SIZE 2048
#define PHY_CONNECT_TIMEOUT 5000
#define TURBO_MODE
+#ifndef CONFIG_DM_ETH
/* local vars */
static int curr_eth_dev; /* index for name of next device detected */
+#endif
/* driver private */
struct smsc95xx_private {
+#ifdef CONFIG_DM_ETH
+ struct ueth_data ueth;
+#endif
size_t rx_urb_size; /* maximum USB URB size */
u32 mac_cr; /* MAC control register value */
int have_hwaddr; /* 1 if we have a hardware MAC address */
@@ -149,7 +157,7 @@ struct smsc95xx_private {
/*
* Smsc95xx infrastructure commands
*/
-static int smsc95xx_write_reg(struct ueth_data *dev, u32 index, u32 data)
+static int smsc95xx_write_reg(struct usb_device *udev, u32 index, u32 data)
{
int len;
ALLOC_CACHE_ALIGN_BUFFER(u32, tmpbuf, 1);
@@ -157,32 +165,34 @@ static int smsc95xx_write_reg(struct ueth_data *dev, u32 index, u32 data)
cpu_to_le32s(&data);
tmpbuf[0] = data;
- len = usb_control_msg(dev->pusb_dev, usb_sndctrlpipe(dev->pusb_dev, 0),
- USB_VENDOR_REQUEST_WRITE_REGISTER,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 00, index, tmpbuf, sizeof(data), USB_CTRL_SET_TIMEOUT);
+ len = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+ USB_VENDOR_REQUEST_WRITE_REGISTER,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, index, tmpbuf, sizeof(data),
+ USB_CTRL_SET_TIMEOUT);
if (len != sizeof(data)) {
debug("smsc95xx_write_reg failed: index=%d, data=%d, len=%d",
index, data, len);
- return -1;
+ return -EIO;
}
return 0;
}
-static int smsc95xx_read_reg(struct ueth_data *dev, u32 index, u32 *data)
+static int smsc95xx_read_reg(struct usb_device *udev, u32 index, u32 *data)
{
int len;
ALLOC_CACHE_ALIGN_BUFFER(u32, tmpbuf, 1);
- len = usb_control_msg(dev->pusb_dev, usb_rcvctrlpipe(dev->pusb_dev, 0),
- USB_VENDOR_REQUEST_READ_REGISTER,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 00, index, tmpbuf, sizeof(data), USB_CTRL_GET_TIMEOUT);
+ len = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ USB_VENDOR_REQUEST_READ_REGISTER,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, index, tmpbuf, sizeof(data),
+ USB_CTRL_GET_TIMEOUT);
*data = tmpbuf[0];
if (len != sizeof(data)) {
debug("smsc95xx_read_reg failed: index=%d, len=%d",
index, len);
- return -1;
+ return -EIO;
}
le32_to_cpus(data);
@@ -190,89 +200,89 @@ static int smsc95xx_read_reg(struct ueth_data *dev, u32 index, u32 *data)
}
/* Loop until the read is completed with timeout */
-static int smsc95xx_phy_wait_not_busy(struct ueth_data *dev)
+static int smsc95xx_phy_wait_not_busy(struct usb_device *udev)
{
unsigned long start_time = get_timer(0);
u32 val;
do {
- smsc95xx_read_reg(dev, MII_ADDR, &val);
+ smsc95xx_read_reg(udev, MII_ADDR, &val);
if (!(val & MII_BUSY_))
return 0;
- } while (get_timer(start_time) < 1 * 1000 * 1000);
+ } while (get_timer(start_time) < 1000);
- return -1;
+ return -ETIMEDOUT;
}
-static int smsc95xx_mdio_read(struct ueth_data *dev, int phy_id, int idx)
+static int smsc95xx_mdio_read(struct usb_device *udev, int phy_id, int idx)
{
u32 val, addr;
/* confirm MII not busy */
- if (smsc95xx_phy_wait_not_busy(dev)) {
+ if (smsc95xx_phy_wait_not_busy(udev)) {
debug("MII is busy in smsc95xx_mdio_read\n");
- return -1;
+ return -ETIMEDOUT;
}
/* set the address, index & direction (read from PHY) */
addr = (phy_id << 11) | (idx << 6) | MII_READ_;
- smsc95xx_write_reg(dev, MII_ADDR, addr);
+ smsc95xx_write_reg(udev, MII_ADDR, addr);
- if (smsc95xx_phy_wait_not_busy(dev)) {
+ if (smsc95xx_phy_wait_not_busy(udev)) {
debug("Timed out reading MII reg %02X\n", idx);
- return -1;
+ return -ETIMEDOUT;
}
- smsc95xx_read_reg(dev, MII_DATA, &val);
+ smsc95xx_read_reg(udev, MII_DATA, &val);
return (u16)(val & 0xFFFF);
}
-static void smsc95xx_mdio_write(struct ueth_data *dev, int phy_id, int idx,
+static void smsc95xx_mdio_write(struct usb_device *udev, int phy_id, int idx,
int regval)
{
u32 val, addr;
/* confirm MII not busy */
- if (smsc95xx_phy_wait_not_busy(dev)) {
+ if (smsc95xx_phy_wait_not_busy(udev)) {
debug("MII is busy in smsc95xx_mdio_write\n");
return;
}
val = regval;
- smsc95xx_write_reg(dev, MII_DATA, val);
+ smsc95xx_write_reg(udev, MII_DATA, val);
/* set the address, index & direction (write to PHY) */
addr = (phy_id << 11) | (idx << 6) | MII_WRITE_;
- smsc95xx_write_reg(dev, MII_ADDR, addr);
+ smsc95xx_write_reg(udev, MII_ADDR, addr);
- if (smsc95xx_phy_wait_not_busy(dev))
+ if (smsc95xx_phy_wait_not_busy(udev))
debug("Timed out writing MII reg %02X\n", idx);
}
-static int smsc95xx_eeprom_confirm_not_busy(struct ueth_data *dev)
+static int smsc95xx_eeprom_confirm_not_busy(struct usb_device *udev)
{
unsigned long start_time = get_timer(0);
u32 val;
do {
- smsc95xx_read_reg(dev, E2P_CMD, &val);
+ smsc95xx_read_reg(udev, E2P_CMD, &val);
if (!(val & E2P_CMD_BUSY_))
return 0;
udelay(40);
} while (get_timer(start_time) < 1 * 1000 * 1000);
debug("EEPROM is busy\n");
- return -1;
+ return -ETIMEDOUT;
}
-static int smsc95xx_wait_eeprom(struct ueth_data *dev)
+static int smsc95xx_wait_eeprom(struct usb_device *udev)
{
unsigned long start_time = get_timer(0);
u32 val;
do {
- smsc95xx_read_reg(dev, E2P_CMD, &val);
+ smsc95xx_read_reg(udev, E2P_CMD, &val);
if (!(val & E2P_CMD_BUSY_) || (val & E2P_CMD_TIMEOUT_))
break;
udelay(40);
@@ -280,30 +290,30 @@ static int smsc95xx_wait_eeprom(struct ueth_data *dev)
if (val & (E2P_CMD_TIMEOUT_ | E2P_CMD_BUSY_)) {
debug("EEPROM read operation timeout\n");
- return -1;
+ return -ETIMEDOUT;
}
return 0;
}
-static int smsc95xx_read_eeprom(struct ueth_data *dev, u32 offset, u32 length,
+static int smsc95xx_read_eeprom(struct usb_device *udev, u32 offset, u32 length,
u8 *data)
{
u32 val;
int i, ret;
- ret = smsc95xx_eeprom_confirm_not_busy(dev);
+ ret = smsc95xx_eeprom_confirm_not_busy(udev);
if (ret)
return ret;
for (i = 0; i < length; i++) {
val = E2P_CMD_BUSY_ | E2P_CMD_READ_ | (offset & E2P_CMD_ADDR_);
- smsc95xx_write_reg(dev, E2P_CMD, val);
+ smsc95xx_write_reg(udev, E2P_CMD, val);
- ret = smsc95xx_wait_eeprom(dev);
+ ret = smsc95xx_wait_eeprom(udev);
if (ret < 0)
return ret;
- smsc95xx_read_reg(dev, E2P_DATA, &val);
+ smsc95xx_read_reg(udev, E2P_DATA, &val);
data[i] = val & 0xFF;
offset++;
}
@@ -315,89 +325,96 @@ static int smsc95xx_read_eeprom(struct ueth_data *dev, u32 offset, u32 length,
*
* Returns 0 on success, negative on error.
*/
-static int mii_nway_restart(struct ueth_data *dev)
+static int mii_nway_restart(struct usb_device *udev, struct ueth_data *dev)
{
int bmcr;
int r = -1;
/* if autoneg is off, it's an error */
- bmcr = smsc95xx_mdio_read(dev, dev->phy_id, MII_BMCR);
+ bmcr = smsc95xx_mdio_read(udev, dev->phy_id, MII_BMCR);
if (bmcr & BMCR_ANENABLE) {
bmcr |= BMCR_ANRESTART;
- smsc95xx_mdio_write(dev, dev->phy_id, MII_BMCR, bmcr);
+ smsc95xx_mdio_write(udev, dev->phy_id, MII_BMCR, bmcr);
r = 0;
}
return r;
}
-static int smsc95xx_phy_initialize(struct ueth_data *dev)
+static int smsc95xx_phy_initialize(struct usb_device *udev,
+ struct ueth_data *dev)
{
- smsc95xx_mdio_write(dev, dev->phy_id, MII_BMCR, BMCR_RESET);
- smsc95xx_mdio_write(dev, dev->phy_id, MII_ADVERTISE,
- ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP |
- ADVERTISE_PAUSE_ASYM);
+ smsc95xx_mdio_write(udev, dev->phy_id, MII_BMCR, BMCR_RESET);
+ smsc95xx_mdio_write(udev, dev->phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA |
+ ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
/* read to clear */
- smsc95xx_mdio_read(dev, dev->phy_id, PHY_INT_SRC);
+ smsc95xx_mdio_read(udev, dev->phy_id, PHY_INT_SRC);
- smsc95xx_mdio_write(dev, dev->phy_id, PHY_INT_MASK,
- PHY_INT_MASK_DEFAULT_);
- mii_nway_restart(dev);
+ smsc95xx_mdio_write(udev, dev->phy_id, PHY_INT_MASK,
+ PHY_INT_MASK_DEFAULT_);
+ mii_nway_restart(udev, dev);
debug("phy initialised succesfully\n");
return 0;
}
-static int smsc95xx_init_mac_address(struct eth_device *eth,
- struct ueth_data *dev)
+static int smsc95xx_init_mac_address(unsigned char *enetaddr,
+ struct usb_device *udev)
{
+ int ret;
+
/* try reading mac address from EEPROM */
- if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
- eth->enetaddr) == 0) {
- if (is_valid_ethaddr(eth->enetaddr)) {
- /* eeprom values are valid so use them */
- debug("MAC address read from EEPROM\n");
- return 0;
- }
+ ret = smsc95xx_read_eeprom(udev, EEPROM_MAC_OFFSET, ETH_ALEN, enetaddr);
+ if (ret)
+ return ret;
+
+ if (is_valid_ethaddr(enetaddr)) {
+ /* eeprom values are valid so use them */
+ debug("MAC address read from EEPROM\n");
+ return 0;
}
/*
* No eeprom, or eeprom values are invalid. Generating a random MAC
* address is not safe. Just return an error.
*/
- return -1;
+ debug("Invalid MAC address read from EEPROM\n");
+
+ return -ENXIO;
}
-static int smsc95xx_write_hwaddr(struct eth_device *eth)
+static int smsc95xx_write_hwaddr_common(struct usb_device *udev,
+ struct smsc95xx_private *priv,
+ unsigned char *enetaddr)
{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- struct smsc95xx_private *priv = dev->dev_priv;
- u32 addr_lo = __get_unaligned_le32(&eth->enetaddr[0]);
- u32 addr_hi = __get_unaligned_le16(&eth->enetaddr[4]);
+ u32 addr_lo = __get_unaligned_le32(&enetaddr[0]);
+ u32 addr_hi = __get_unaligned_le16(&enetaddr[4]);
int ret;
/* set hardware address */
debug("** %s()\n", __func__);
- ret = smsc95xx_write_reg(dev, ADDRL, addr_lo);
+ ret = smsc95xx_write_reg(udev, ADDRL, addr_lo);
if (ret < 0)
return ret;
- ret = smsc95xx_write_reg(dev, ADDRH, addr_hi);
+ ret = smsc95xx_write_reg(udev, ADDRH, addr_hi);
if (ret < 0)
return ret;
- debug("MAC %pM\n", eth->enetaddr);
+ debug("MAC %pM\n", enetaddr);
priv->have_hwaddr = 1;
+
return 0;
}
/* Enable or disable Tx & Rx checksum offload engines */
-static int smsc95xx_set_csums(struct ueth_data *dev,
- int use_tx_csum, int use_rx_csum)
+static int smsc95xx_set_csums(struct usb_device *udev, int use_tx_csum,
+ int use_rx_csum)
{
u32 read_buf;
- int ret = smsc95xx_read_reg(dev, COE_CR, &read_buf);
+ int ret = smsc95xx_read_reg(udev, COE_CR, &read_buf);
if (ret < 0)
return ret;
@@ -411,7 +428,7 @@ static int smsc95xx_set_csums(struct ueth_data *dev,
else
read_buf &= ~Rx_COE_EN_;
- ret = smsc95xx_write_reg(dev, COE_CR, read_buf);
+ ret = smsc95xx_write_reg(udev, COE_CR, read_buf);
if (ret < 0)
return ret;
@@ -419,52 +436,45 @@ static int smsc95xx_set_csums(struct ueth_data *dev,
return 0;
}
-static void smsc95xx_set_multicast(struct ueth_data *dev)
+static void smsc95xx_set_multicast(struct smsc95xx_private *priv)
{
- struct smsc95xx_private *priv = dev->dev_priv;
-
/* No multicast in u-boot */
priv->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
}
/* starts the TX path */
-static void smsc95xx_start_tx_path(struct ueth_data *dev)
+static void smsc95xx_start_tx_path(struct usb_device *udev,
+ struct smsc95xx_private *priv)
{
- struct smsc95xx_private *priv = dev->dev_priv;
u32 reg_val;
/* Enable Tx at MAC */
priv->mac_cr |= MAC_CR_TXEN_;
- smsc95xx_write_reg(dev, MAC_CR, priv->mac_cr);
+ smsc95xx_write_reg(udev, MAC_CR, priv->mac_cr);
/* Enable Tx at SCSRs */
reg_val = TX_CFG_ON_;
- smsc95xx_write_reg(dev, TX_CFG, reg_val);
+ smsc95xx_write_reg(udev, TX_CFG, reg_val);
}
/* Starts the Receive path */
-static void smsc95xx_start_rx_path(struct ueth_data *dev)
+static void smsc95xx_start_rx_path(struct usb_device *udev,
+ struct smsc95xx_private *priv)
{
- struct smsc95xx_private *priv = dev->dev_priv;
-
priv->mac_cr |= MAC_CR_RXEN_;
- smsc95xx_write_reg(dev, MAC_CR, priv->mac_cr);
+ smsc95xx_write_reg(udev, MAC_CR, priv->mac_cr);
}
-/*
- * Smsc95xx callbacks
- */
-static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
+static int smsc95xx_init_common(struct usb_device *udev, struct ueth_data *dev,
+ struct smsc95xx_private *priv,
+ unsigned char *enetaddr)
{
int ret;
u32 write_buf;
u32 read_buf;
u32 burst_cap;
int timeout;
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- struct smsc95xx_private *priv =
- (struct smsc95xx_private *)dev->dev_priv;
#define TIMEOUT_RESOLUTION 50 /* ms */
int link_detected;
@@ -472,13 +482,13 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
dev->phy_id = SMSC95XX_INTERNAL_PHY_ID; /* fixed phy id */
write_buf = HW_CFG_LRST_;
- ret = smsc95xx_write_reg(dev, HW_CFG, write_buf);
+ ret = smsc95xx_write_reg(udev, HW_CFG, write_buf);
if (ret < 0)
return ret;
timeout = 0;
do {
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
+ ret = smsc95xx_read_reg(udev, HW_CFG, &read_buf);
if (ret < 0)
return ret;
udelay(10 * 1000);
@@ -487,17 +497,17 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
if (timeout >= 100) {
debug("timeout waiting for completion of Lite Reset\n");
- return -1;
+ return -ETIMEDOUT;
}
write_buf = PM_CTL_PHY_RST_;
- ret = smsc95xx_write_reg(dev, PM_CTRL, write_buf);
+ ret = smsc95xx_write_reg(udev, PM_CTRL, write_buf);
if (ret < 0)
return ret;
timeout = 0;
do {
- ret = smsc95xx_read_reg(dev, PM_CTRL, &read_buf);
+ ret = smsc95xx_read_reg(udev, PM_CTRL, &read_buf);
if (ret < 0)
return ret;
udelay(10 * 1000);
@@ -505,28 +515,30 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
} while ((read_buf & PM_CTL_PHY_RST_) && (timeout < 100));
if (timeout >= 100) {
debug("timeout waiting for PHY Reset\n");
- return -1;
+ return -ETIMEDOUT;
}
- if (!priv->have_hwaddr && smsc95xx_init_mac_address(eth, dev) == 0)
+ if (!priv->have_hwaddr && smsc95xx_init_mac_address(enetaddr, udev) ==
+ 0)
priv->have_hwaddr = 1;
if (!priv->have_hwaddr) {
puts("Error: SMSC95xx: No MAC address set - set usbethaddr\n");
- return -1;
+ return -EADDRNOTAVAIL;
}
- if (smsc95xx_write_hwaddr(eth) < 0)
- return -1;
+ ret = smsc95xx_write_hwaddr_common(udev, priv, enetaddr);
+ if (ret < 0)
+ return ret;
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
+ ret = smsc95xx_read_reg(udev, HW_CFG, &read_buf);
if (ret < 0)
return ret;
debug("Read Value from HW_CFG : 0x%08x\n", read_buf);
read_buf |= HW_CFG_BIR_;
- ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
+ ret = smsc95xx_write_reg(udev, HW_CFG, read_buf);
if (ret < 0)
return ret;
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
+ ret = smsc95xx_read_reg(udev, HW_CFG, &read_buf);
if (ret < 0)
return ret;
debug("Read Value from HW_CFG after writing "
@@ -546,27 +558,27 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
#endif
debug("rx_urb_size=%ld\n", (ulong)priv->rx_urb_size);
- ret = smsc95xx_write_reg(dev, BURST_CAP, burst_cap);
+ ret = smsc95xx_write_reg(udev, BURST_CAP, burst_cap);
if (ret < 0)
return ret;
- ret = smsc95xx_read_reg(dev, BURST_CAP, &read_buf);
+ ret = smsc95xx_read_reg(udev, BURST_CAP, &read_buf);
if (ret < 0)
return ret;
debug("Read Value from BURST_CAP after writing: 0x%08x\n", read_buf);
read_buf = DEFAULT_BULK_IN_DELAY;
- ret = smsc95xx_write_reg(dev, BULK_IN_DLY, read_buf);
+ ret = smsc95xx_write_reg(udev, BULK_IN_DLY, read_buf);
if (ret < 0)
return ret;
- ret = smsc95xx_read_reg(dev, BULK_IN_DLY, &read_buf);
+ ret = smsc95xx_read_reg(udev, BULK_IN_DLY, &read_buf);
if (ret < 0)
return ret;
debug("Read Value from BULK_IN_DLY after writing: "
"0x%08x\n", read_buf);
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
+ ret = smsc95xx_read_reg(udev, HW_CFG, &read_buf);
if (ret < 0)
return ret;
debug("Read Value from HW_CFG: 0x%08x\n", read_buf);
@@ -579,21 +591,21 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
#define NET_IP_ALIGN 0
read_buf |= NET_IP_ALIGN << 9;
- ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
+ ret = smsc95xx_write_reg(udev, HW_CFG, read_buf);
if (ret < 0)
return ret;
- ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
+ ret = smsc95xx_read_reg(udev, HW_CFG, &read_buf);
if (ret < 0)
return ret;
debug("Read Value from HW_CFG after writing: 0x%08x\n", read_buf);
write_buf = 0xFFFFFFFF;
- ret = smsc95xx_write_reg(dev, INT_STS, write_buf);
+ ret = smsc95xx_write_reg(udev, INT_STS, write_buf);
if (ret < 0)
return ret;
- ret = smsc95xx_read_reg(dev, ID_REV, &read_buf);
+ ret = smsc95xx_read_reg(udev, ID_REV, &read_buf);
if (ret < 0)
return ret;
debug("ID_REV = 0x%08x\n", read_buf);
@@ -601,59 +613,60 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
/* Configure GPIO pins as LED outputs */
write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED |
LED_GPIO_CFG_FDX_LED;
- ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf);
+ ret = smsc95xx_write_reg(udev, LED_GPIO_CFG, write_buf);
if (ret < 0)
return ret;
debug("LED_GPIO_CFG set\n");
/* Init Tx */
write_buf = 0;
- ret = smsc95xx_write_reg(dev, FLOW, write_buf);
+ ret = smsc95xx_write_reg(udev, FLOW, write_buf);
if (ret < 0)
return ret;
read_buf = AFC_CFG_DEFAULT;
- ret = smsc95xx_write_reg(dev, AFC_CFG, read_buf);
+ ret = smsc95xx_write_reg(udev, AFC_CFG, read_buf);
if (ret < 0)
return ret;
- ret = smsc95xx_read_reg(dev, MAC_CR, &priv->mac_cr);
+ ret = smsc95xx_read_reg(udev, MAC_CR, &priv->mac_cr);
if (ret < 0)
return ret;
/* Init Rx. Set Vlan */
write_buf = (u32)ETH_P_8021Q;
- ret = smsc95xx_write_reg(dev, VLAN1, write_buf);
+ ret = smsc95xx_write_reg(udev, VLAN1, write_buf);
if (ret < 0)
return ret;
/* Disable checksum offload engines */
- ret = smsc95xx_set_csums(dev, 0, 0);
+ ret = smsc95xx_set_csums(udev, 0, 0);
if (ret < 0) {
debug("Failed to set csum offload: %d\n", ret);
return ret;
}
- smsc95xx_set_multicast(dev);
+ smsc95xx_set_multicast(priv);
- if (smsc95xx_phy_initialize(dev) < 0)
- return -1;
- ret = smsc95xx_read_reg(dev, INT_EP_CTL, &read_buf);
+ ret = smsc95xx_phy_initialize(udev, dev);
+ if (ret < 0)
+ return ret;
+ ret = smsc95xx_read_reg(udev, INT_EP_CTL, &read_buf);
if (ret < 0)
return ret;
/* enable PHY interrupts */
read_buf |= INT_EP_CTL_PHY_INT_;
- ret = smsc95xx_write_reg(dev, INT_EP_CTL, read_buf);
+ ret = smsc95xx_write_reg(udev, INT_EP_CTL, read_buf);
if (ret < 0)
return ret;
- smsc95xx_start_tx_path(dev);
- smsc95xx_start_rx_path(dev);
+ smsc95xx_start_tx_path(udev, priv);
+ smsc95xx_start_rx_path(udev, priv);
timeout = 0;
do {
- link_detected = smsc95xx_mdio_read(dev, dev->phy_id, MII_BMSR)
+ link_detected = smsc95xx_mdio_read(udev, dev->phy_id, MII_BMSR)
& BMSR_LSTATUS;
if (!link_detected) {
if (timeout == 0)
@@ -667,14 +680,13 @@ static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
printf("done.\n");
} else {
printf("unable to connect.\n");
- return -1;
+ return -EIO;
}
return 0;
}
-static int smsc95xx_send(struct eth_device *eth, void* packet, int length)
+static int smsc95xx_send_common(struct ueth_data *dev, void *packet, int length)
{
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
int err;
int actual_len;
u32 tx_cmd_a;
@@ -684,7 +696,7 @@ static int smsc95xx_send(struct eth_device *eth, void* packet, int length)
debug("** %s(), len %d, buf %#x\n", __func__, length, (int)msg);
if (length > PKTSIZE)
- return -1;
+ return -ENOSPC;
tx_cmd_a = (u32)length | TX_CMD_A_FIRST_SEG_ | TX_CMD_A_LAST_SEG_;
tx_cmd_b = (u32)length;
@@ -705,13 +717,35 @@ static int smsc95xx_send(struct eth_device *eth, void* packet, int length)
debug("Tx: len = %u, actual = %u, err = %d\n",
length + sizeof(tx_cmd_a) + sizeof(tx_cmd_b),
actual_len, err);
+
return err;
}
+#ifndef CONFIG_DM_ETH
+/*
+ * Smsc95xx callbacks
+ */
+static int smsc95xx_init(struct eth_device *eth, bd_t *bd)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+ struct usb_device *udev = dev->pusb_dev;
+ struct smsc95xx_private *priv =
+ (struct smsc95xx_private *)dev->dev_priv;
+
+ return smsc95xx_init_common(udev, dev, priv, eth->enetaddr);
+}
+
+static int smsc95xx_send(struct eth_device *eth, void *packet, int length)
+{
+ struct ueth_data *dev = (struct ueth_data *)eth->priv;
+
+ return smsc95xx_send_common(dev, packet, length);
+}
+
static int smsc95xx_recv(struct eth_device *eth)
{
struct ueth_data *dev = (struct ueth_data *)eth->priv;
- DEFINE_CACHE_ALIGN_BUFFER(unsigned char, recv_buf, AX_RX_URB_SIZE);
+ DEFINE_CACHE_ALIGN_BUFFER(unsigned char, recv_buf, RX_URB_SIZE);
unsigned char *buf_ptr;
int err;
int actual_len;
@@ -720,20 +754,18 @@ static int smsc95xx_recv(struct eth_device *eth)
debug("** %s()\n", __func__);
err = usb_bulk_msg(dev->pusb_dev,
- usb_rcvbulkpipe(dev->pusb_dev, dev->ep_in),
- (void *)recv_buf,
- AX_RX_URB_SIZE,
- &actual_len,
- USB_BULK_RECV_TIMEOUT);
- debug("Rx: len = %u, actual = %u, err = %d\n", AX_RX_URB_SIZE,
+ usb_rcvbulkpipe(dev->pusb_dev, dev->ep_in),
+ (void *)recv_buf, RX_URB_SIZE, &actual_len,
+ USB_BULK_RECV_TIMEOUT);
+ debug("Rx: len = %u, actual = %u, err = %d\n", RX_URB_SIZE,
actual_len, err);
if (err != 0) {
debug("Rx: failed to receive\n");
- return -1;
+ return -err;
}
- if (actual_len > AX_RX_URB_SIZE) {
+ if (actual_len > RX_URB_SIZE) {
debug("Rx: received too many bytes %d\n", actual_len);
- return -1;
+ return -ENOSPC;
}
buf_ptr = recv_buf;
@@ -744,19 +776,19 @@ static int smsc95xx_recv(struct eth_device *eth)
*/
if (actual_len < sizeof(packet_len)) {
debug("Rx: incomplete packet length\n");
- return -1;
+ return -EIO;
}
memcpy(&packet_len, buf_ptr, sizeof(packet_len));
le32_to_cpus(&packet_len);
if (packet_len & RX_STS_ES_) {
debug("Rx: Error header=%#x", packet_len);
- return -1;
+ return -EIO;
}
packet_len = ((packet_len & RX_STS_FL_) >> 16);
if (packet_len > actual_len - sizeof(packet_len)) {
debug("Rx: too large packet: %d\n", packet_len);
- return -1;
+ return -EIO;
}
/* Notify net stack */
@@ -783,6 +815,15 @@ static void smsc95xx_halt(struct eth_device *eth)
debug("** %s()\n", __func__);
}
+static int smsc95xx_write_hwaddr(struct eth_device *eth)
+{
+ struct ueth_data *dev = eth->priv;
+ struct usb_device *udev = dev->pusb_dev;
+ struct smsc95xx_private *priv = dev->dev_priv;
+
+ return smsc95xx_write_hwaddr_common(udev, priv, eth->enetaddr);
+}
+
/*
* SMSC probing functions
*/
@@ -898,3 +939,137 @@ int smsc95xx_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
eth->priv = ss;
return 1;
}
+#endif /* !CONFIG_DM_ETH */
+
+#ifdef CONFIG_DM_ETH
+static int smsc95xx_eth_start(struct udevice *dev)
+{
+ struct usb_device *udev = dev_get_parentdata(dev);
+ struct smsc95xx_private *priv = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+
+ /* Driver-model Ethernet ensures we have this */
+ priv->have_hwaddr = 1;
+
+ return smsc95xx_init_common(udev, &priv->ueth, priv, pdata->enetaddr);
+}
+
+void smsc95xx_eth_stop(struct udevice *dev)
+{
+ debug("** %s()\n", __func__);
+}
+
+int smsc95xx_eth_send(struct udevice *dev, void *packet, int length)
+{
+ struct smsc95xx_private *priv = dev_get_priv(dev);
+
+ return smsc95xx_send_common(&priv->ueth, packet, length);
+}
+
+int smsc95xx_eth_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct smsc95xx_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, 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 plus error info.
+ * Extract data length.
+ */
+ 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 & RX_STS_ES_) {
+ debug("Rx: Error header=%#x", packet_len);
+ goto err;
+ }
+ packet_len = ((packet_len & RX_STS_FL_) >> 16);
+
+ 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 smsc95xx_free_pkt(struct udevice *dev, uchar *packet, int packet_len)
+{
+ struct smsc95xx_private *priv = dev_get_priv(dev);
+
+ packet_len = ALIGN(packet_len, 4);
+ usb_ether_advance_rxbuf(&priv->ueth, sizeof(u32) + packet_len);
+
+ return 0;
+}
+
+int smsc95xx_write_hwaddr(struct udevice *dev)
+{
+ struct usb_device *udev = dev_get_parentdata(dev);
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct smsc95xx_private *priv = dev_get_priv(dev);
+
+ return smsc95xx_write_hwaddr_common(udev, priv, pdata->enetaddr);
+}
+
+static int smsc95xx_eth_probe(struct udevice *dev)
+{
+ struct smsc95xx_private *priv = dev_get_priv(dev);
+ struct ueth_data *ueth = &priv->ueth;
+
+ return usb_ether_register(dev, ueth, RX_URB_SIZE);
+}
+
+static const struct eth_ops smsc95xx_eth_ops = {
+ .start = smsc95xx_eth_start,
+ .send = smsc95xx_eth_send,
+ .recv = smsc95xx_eth_recv,
+ .free_pkt = smsc95xx_free_pkt,
+ .stop = smsc95xx_eth_stop,
+ .write_hwaddr = smsc95xx_write_hwaddr,
+};
+
+U_BOOT_DRIVER(smsc95xx_eth) = {
+ .name = "smsc95xx_eth",
+ .id = UCLASS_ETH,
+ .probe = smsc95xx_eth_probe,
+ .ops = &smsc95xx_eth_ops,
+ .priv_auto_alloc_size = sizeof(struct smsc95xx_private),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+};
+
+static const struct usb_device_id smsc95xx_eth_id_table[] = {
+ { USB_DEVICE(0x05ac, 0x1402) },
+ { USB_DEVICE(0x0424, 0xec00) }, /* LAN9512/LAN9514 Ethernet */
+ { USB_DEVICE(0x0424, 0x9500) }, /* LAN9500 Ethernet */
+ { USB_DEVICE(0x0424, 0x9730) }, /* LAN9730 Ethernet (HSIC) */
+ { USB_DEVICE(0x0424, 0x9900) }, /* SMSC9500 USB Ethernet (SAL10) */
+ { USB_DEVICE(0x0424, 0x9e00) }, /* LAN9500A Ethernet */
+ { } /* Terminating entry */
+};
+
+U_BOOT_USB_DEVICE(smsc95xx_eth, smsc95xx_eth_id_table);
+#endif
generated by cgit (git 2.34.1) at 2025-02-03 06:42:47 +0000