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[smsc75xx] Use common SMSC USB device functionality 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/64/head
Michael Brown 2017-07-06 17:10:31 +01:00
parent 550e0d8353
commit b1df34d7bd
2 changed files with 126 additions and 720 deletions
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691
src/drivers/net/smsc75xx.c
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@ -39,10 +39,6 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
* *
*/ */
/** Interrupt completion profiler */
static struct profiler smsc75xx_intr_profiler __profiler =
{ .name = "smsc75xx.intr" };
/** Bulk IN completion profiler */ /** Bulk IN completion profiler */
static struct profiler smsc75xx_in_profiler __profiler = static struct profiler smsc75xx_in_profiler __profiler =
{ .name = "smsc75xx.in" }; { .name = "smsc75xx.in" };
@ -51,363 +47,6 @@ static struct profiler smsc75xx_in_profiler __profiler =
static struct profiler smsc75xx_out_profiler __profiler = static struct profiler smsc75xx_out_profiler __profiler =
{ .name = "smsc75xx.out" }; { .name = "smsc75xx.out" };
/******************************************************************************
*
* Register access
*
******************************************************************************
*/
/**
* Write register (without byte-swapping)
*
* @v smsc75xx SMSC75xx device
* @v address Register address
* @v value Register value
* @ret rc Return status code
*/
static int smsc75xx_raw_writel ( struct smsc75xx_device *smsc75xx,
unsigned int address, uint32_t value ) {
int rc;
/* Write register */
if ( ( rc = usb_control ( smsc75xx->usb, SMSC75XX_REGISTER_WRITE, 0,
address, &value, sizeof ( value ) ) ) != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p could not write %03x: %s\n",
smsc75xx, address, strerror ( rc ) );
return rc;
}
return 0;
}
/**
* Write register
*
* @v smsc75xx SMSC75xx device
* @v address Register address
* @v value Register value
* @ret rc Return status code
*/
static inline __attribute__ (( always_inline )) int
smsc75xx_writel ( struct smsc75xx_device *smsc75xx, unsigned int address,
uint32_t value ) {
int rc;
/* Write register */
if ( ( rc = smsc75xx_raw_writel ( smsc75xx, address,
cpu_to_le32 ( value ) ) ) != 0 )
return rc;
return 0;
}
/**
* Read register (without byte-swapping)
*
* @v smsc75xx SMSC75xx device
* @v address Register address
* @ret value Register value
* @ret rc Return status code
*/
static int smsc75xx_raw_readl ( struct smsc75xx_device *smsc75xx,
unsigned int address, uint32_t *value ) {
int rc;
/* Read register */
if ( ( rc = usb_control ( smsc75xx->usb, SMSC75XX_REGISTER_READ, 0,
address, value, sizeof ( *value ) ) ) != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p could not read %03x: %s\n",
smsc75xx, address, strerror ( rc ) );
return rc;
}
return 0;
}
/**
* Read register
*
* @v smsc75xx SMSC75xx device
* @v address Register address
* @ret value Register value
* @ret rc Return status code
*/
static inline __attribute__ (( always_inline )) int
smsc75xx_readl ( struct smsc75xx_device *smsc75xx, unsigned int address,
uint32_t *value ) {
int rc;
/* Read register */
if ( ( rc = smsc75xx_raw_readl ( smsc75xx, address, value ) ) != 0 )
return rc;
le32_to_cpus ( value );
return 0;
}
/******************************************************************************
*
* EEPROM access
*
******************************************************************************
*/
/**
* Wait for EEPROM to become idle
*
* @v smsc75xx SMSC75xx device
* @ret rc Return status code
*/
static int smsc75xx_eeprom_wait ( struct smsc75xx_device *smsc75xx ) {
uint32_t e2p_cmd;
unsigned int i;
int rc;
/* Wait for EPC_BSY to become clear */
for ( i = 0 ; i < SMSC75XX_EEPROM_MAX_WAIT_MS ; i++ ) {
/* Read E2P_CMD and check EPC_BSY */
if ( ( rc = smsc75xx_readl ( smsc75xx, SMSC75XX_E2P_CMD,
&e2p_cmd ) ) != 0 )
return rc;
if ( ! ( e2p_cmd & SMSC75XX_E2P_CMD_EPC_BSY ) )
return 0;
/* Delay */
mdelay ( 1 );
}
DBGC ( smsc75xx, "SMSC75XX %p timed out waiting for EEPROM\n",
smsc75xx );
return -ETIMEDOUT;
}
/**
* Read byte from EEPROM
*
* @v smsc75xx SMSC75xx device
* @v address EEPROM address
* @ret byte Byte read, or negative error
*/
static int smsc75xx_eeprom_read_byte ( struct smsc75xx_device *smsc75xx,
unsigned int address ) {
uint32_t e2p_cmd;
uint32_t e2p_data;
int rc;
/* Wait for EEPROM to become idle */
if ( ( rc = smsc75xx_eeprom_wait ( smsc75xx ) ) != 0 )
return rc;
/* Initiate read command */
e2p_cmd = ( SMSC75XX_E2P_CMD_EPC_BSY | SMSC75XX_E2P_CMD_EPC_CMD_READ |
SMSC75XX_E2P_CMD_EPC_ADDR ( address ) );
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_E2P_CMD,
e2p_cmd ) ) != 0 )
return rc;
/* Wait for command to complete */
if ( ( rc = smsc75xx_eeprom_wait ( smsc75xx ) ) != 0 )
return rc;
/* Read EEPROM data */
if ( ( rc = smsc75xx_readl ( smsc75xx, SMSC75XX_E2P_DATA,
&e2p_data ) ) != 0 )
return rc;
return SMSC75XX_E2P_DATA_GET ( e2p_data );
}
/**
* Read data from EEPROM
*
* @v smsc75xx SMSC75xx device
* @v address EEPROM address
* @v data Data buffer
* @v len Length of data
* @ret rc Return status code
*/
static int smsc75xx_eeprom_read ( struct smsc75xx_device *smsc75xx,
unsigned int address, void *data,
size_t len ) {
uint8_t *bytes;
int byte;
/* Read bytes */
for ( bytes = data ; len-- ; address++, bytes++ ) {
byte = smsc75xx_eeprom_read_byte ( smsc75xx, address );
if ( byte < 0 )
return byte;
*bytes = byte;
}
return 0;
}
/******************************************************************************
*
* MII access
*
******************************************************************************
*/
/**
* Wait for MII to become idle
*
* @v smsc75xx SMSC75xx device
* @ret rc Return status code
*/
static int smsc75xx_mii_wait ( struct smsc75xx_device *smsc75xx ) {
uint32_t mii_access;
unsigned int i;
int rc;
/* Wait for MIIBZY to become clear */
for ( i = 0 ; i < SMSC75XX_MII_MAX_WAIT_MS ; i++ ) {
/* Read MII_ACCESS and check MIIBZY */
if ( ( rc = smsc75xx_readl ( smsc75xx, SMSC75XX_MII_ACCESS,
&mii_access ) ) != 0 )
return rc;
if ( ! ( mii_access & SMSC75XX_MII_ACCESS_MIIBZY ) )
return 0;
/* Delay */
mdelay ( 1 );
}
DBGC ( smsc75xx, "SMSC75XX %p timed out waiting for MII\n",
smsc75xx );
return -ETIMEDOUT;
}
/**
* Read from MII register
*
* @v mii MII interface
* @v reg Register address
* @ret value Data read, or negative error
*/
static int smsc75xx_mii_read ( struct mii_interface *mii, unsigned int reg ) {
struct smsc75xx_device *smsc75xx =
container_of ( mii, struct smsc75xx_device, mii );
uint32_t mii_access;
uint32_t mii_data;
int rc;
/* Wait for MII to become idle */
if ( ( rc = smsc75xx_mii_wait ( smsc75xx ) ) != 0 )
return rc;
/* Initiate read command */
mii_access = ( SMSC75XX_MII_ACCESS_PHY_ADDRESS |
SMSC75XX_MII_ACCESS_MIIRINDA ( reg ) |
SMSC75XX_MII_ACCESS_MIIBZY );
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_MII_ACCESS,
mii_access ) ) != 0 )
return rc;
/* Wait for command to complete */
if ( ( rc = smsc75xx_mii_wait ( smsc75xx ) ) != 0 )
return rc;
/* Read MII data */
if ( ( rc = smsc75xx_readl ( smsc75xx, SMSC75XX_MII_DATA,
&mii_data ) ) != 0 )
return rc;
return SMSC75XX_MII_DATA_GET ( mii_data );
}
/**
* Write to MII register
*
* @v mii MII interface
* @v reg Register address
* @v data Data to write
* @ret rc Return status code
*/
static int smsc75xx_mii_write ( struct mii_interface *mii, unsigned int reg,
unsigned int data ) {
struct smsc75xx_device *smsc75xx =
container_of ( mii, struct smsc75xx_device, mii );
uint32_t mii_access;
uint32_t mii_data;
int rc;
/* Wait for MII to become idle */
if ( ( rc = smsc75xx_mii_wait ( smsc75xx ) ) != 0 )
return rc;
/* Write MII data */
mii_data = SMSC75XX_MII_DATA_SET ( data );
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_MII_DATA,
mii_data ) ) != 0 )
return rc;
/* Initiate write command */
mii_access = ( SMSC75XX_MII_ACCESS_PHY_ADDRESS |
SMSC75XX_MII_ACCESS_MIIRINDA ( reg ) |
SMSC75XX_MII_ACCESS_MIIWNR |
SMSC75XX_MII_ACCESS_MIIBZY );
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_MII_ACCESS,
mii_access ) ) != 0 )
return rc;
/* Wait for command to complete */
if ( ( rc = smsc75xx_mii_wait ( smsc75xx ) ) != 0 )
return rc;
return 0;
}
/** MII operations */
static struct mii_operations smsc75xx_mii_operations = {
.read = smsc75xx_mii_read,
.write = smsc75xx_mii_write,
};
/**
* Check link status
*
* @v smsc75xx SMSC75xx device
* @ret rc Return status code
*/
static int smsc75xx_check_link ( struct smsc75xx_device *smsc75xx ) {
struct net_device *netdev = smsc75xx->netdev;
int intr;
int rc;
/* Read PHY interrupt source */
intr = mii_read ( &smsc75xx->mii, SMSC75XX_MII_PHY_INTR_SOURCE );
if ( intr < 0 ) {
rc = intr;
DBGC ( smsc75xx, "SMSC75XX %p could not get PHY interrupt "
"source: %s\n", smsc75xx, strerror ( rc ) );
return rc;
}
/* Acknowledge PHY interrupt */
if ( ( rc = mii_write ( &smsc75xx->mii, SMSC75XX_MII_PHY_INTR_SOURCE,
intr ) ) != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p could not acknowledge PHY "
"interrupt: %s\n", smsc75xx, strerror ( rc ) );
return rc;
}
/* Check link status */
if ( ( rc = mii_check_link ( &smsc75xx->mii, netdev ) ) != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p could not check link: %s\n",
smsc75xx, strerror ( rc ) );
return rc;
}
DBGC ( smsc75xx, "SMSC75XX %p link %s (intr %#04x)\n",
smsc75xx, ( netdev_link_ok ( netdev ) ? "up" : "down" ), intr );
return 0;
}
/****************************************************************************** /******************************************************************************
* *
* Statistics (for debugging) * Statistics (for debugging)
@ -415,35 +54,13 @@ static int smsc75xx_check_link ( struct smsc75xx_device *smsc75xx ) {
****************************************************************************** ******************************************************************************
*/ */
/**
* Get statistics
*
* @v smsc75xx SMSC75xx device
* @v stats Statistics to fill in
* @ret rc Return status code
*/
static int smsc75xx_get_statistics ( struct smsc75xx_device *smsc75xx,
struct smsc75xx_statistics *stats ) {
int rc;
/* Get statistics */
if ( ( rc = usb_control ( smsc75xx->usb, SMSC75XX_GET_STATISTICS, 0, 0,
stats, sizeof ( *stats ) ) ) != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p could not get statistics: %s\n",
smsc75xx, strerror ( rc ) );
return rc;
}
return 0;
}
/** /**
* Dump statistics (for debugging) * Dump statistics (for debugging)
* *
* @v smsc75xx SMSC75xx device * @v smscusb SMSC USB device
* @ret rc Return status code * @ret rc Return status code
*/ */
static int smsc75xx_dump_statistics ( struct smsc75xx_device *smsc75xx ) { static int smsc75xx_dump_statistics ( struct smscusb_device *smscusb ) {
struct smsc75xx_statistics stats; struct smsc75xx_statistics stats;
int rc; int rc;
@ -452,29 +69,33 @@ static int smsc75xx_dump_statistics ( struct smsc75xx_device *smsc75xx ) {
return 0; return 0;
/* Get statistics */ /* Get statistics */
if ( ( rc = smsc75xx_get_statistics ( smsc75xx, &stats ) ) != 0 ) if ( ( rc = smscusb_get_statistics ( smscusb, 0, &stats,
sizeof ( stats ) ) ) != 0 ) {
DBGC ( smscusb, "SMSC75XX %p could not get statistics: "
"%s\n", smscusb, strerror ( rc ) );
return rc; return rc;
}
/* Dump statistics */ /* Dump statistics */
DBGC ( smsc75xx, "SMSC75XX %p RXE fcs %d aln %d frg %d jab %d und %d " DBGC ( smscusb, "SMSC75XX %p RXE fcs %d aln %d frg %d jab %d und %d "
"ovr %d drp %d\n", smsc75xx, le32_to_cpu ( stats.rx.err.fcs ), "ovr %d drp %d\n", smscusb, le32_to_cpu ( stats.rx.err.fcs ),
le32_to_cpu ( stats.rx.err.alignment ), le32_to_cpu ( stats.rx.err.alignment ),
le32_to_cpu ( stats.rx.err.fragment ), le32_to_cpu ( stats.rx.err.fragment ),
le32_to_cpu ( stats.rx.err.jabber ), le32_to_cpu ( stats.rx.err.jabber ),
le32_to_cpu ( stats.rx.err.undersize ), le32_to_cpu ( stats.rx.err.undersize ),
le32_to_cpu ( stats.rx.err.oversize ), le32_to_cpu ( stats.rx.err.oversize ),
le32_to_cpu ( stats.rx.err.dropped ) ); le32_to_cpu ( stats.rx.err.dropped ) );
DBGC ( smsc75xx, "SMSC75XX %p RXB ucast %d bcast %d mcast %d\n", DBGC ( smscusb, "SMSC75XX %p RXB ucast %d bcast %d mcast %d\n",
smsc75xx, le32_to_cpu ( stats.rx.byte.unicast ), smscusb, le32_to_cpu ( stats.rx.byte.unicast ),
le32_to_cpu ( stats.rx.byte.broadcast ), le32_to_cpu ( stats.rx.byte.broadcast ),
le32_to_cpu ( stats.rx.byte.multicast ) ); le32_to_cpu ( stats.rx.byte.multicast ) );
DBGC ( smsc75xx, "SMSC75XX %p RXF ucast %d bcast %d mcast %d pause " DBGC ( smscusb, "SMSC75XX %p RXF ucast %d bcast %d mcast %d pause "
"%d\n", smsc75xx, le32_to_cpu ( stats.rx.frame.unicast ), "%d\n", smscusb, le32_to_cpu ( stats.rx.frame.unicast ),
le32_to_cpu ( stats.rx.frame.broadcast ), le32_to_cpu ( stats.rx.frame.broadcast ),
le32_to_cpu ( stats.rx.frame.multicast ), le32_to_cpu ( stats.rx.frame.multicast ),
le32_to_cpu ( stats.rx.frame.pause ) ); le32_to_cpu ( stats.rx.frame.pause ) );
DBGC ( smsc75xx, "SMSC75XX %p TXE fcs %d def %d car %d cnt %d sgl %d " DBGC ( smscusb, "SMSC75XX %p TXE fcs %d def %d car %d cnt %d sgl %d "
"mul %d exc %d lat %d\n", smsc75xx, "mul %d exc %d lat %d\n", smscusb,
le32_to_cpu ( stats.tx.err.fcs ), le32_to_cpu ( stats.tx.err.fcs ),
le32_to_cpu ( stats.tx.err.deferral ), le32_to_cpu ( stats.tx.err.deferral ),
le32_to_cpu ( stats.tx.err.carrier ), le32_to_cpu ( stats.tx.err.carrier ),
@ -483,12 +104,12 @@ static int smsc75xx_dump_statistics ( struct smsc75xx_device *smsc75xx ) {
le32_to_cpu ( stats.tx.err.multiple ), le32_to_cpu ( stats.tx.err.multiple ),
le32_to_cpu ( stats.tx.err.excessive ), le32_to_cpu ( stats.tx.err.excessive ),
le32_to_cpu ( stats.tx.err.late ) ); le32_to_cpu ( stats.tx.err.late ) );
DBGC ( smsc75xx, "SMSC75XX %p TXB ucast %d bcast %d mcast %d\n", DBGC ( smscusb, "SMSC75XX %p TXB ucast %d bcast %d mcast %d\n",
smsc75xx, le32_to_cpu ( stats.tx.byte.unicast ), smscusb, le32_to_cpu ( stats.tx.byte.unicast ),
le32_to_cpu ( stats.tx.byte.broadcast ), le32_to_cpu ( stats.tx.byte.broadcast ),
le32_to_cpu ( stats.tx.byte.multicast ) ); le32_to_cpu ( stats.tx.byte.multicast ) );
DBGC ( smsc75xx, "SMSC75XX %p TXF ucast %d bcast %d mcast %d pause " DBGC ( smscusb, "SMSC75XX %p TXF ucast %d bcast %d mcast %d pause "
"%d\n", smsc75xx, le32_to_cpu ( stats.tx.frame.unicast ), "%d\n", smscusb, le32_to_cpu ( stats.tx.frame.unicast ),
le32_to_cpu ( stats.tx.frame.broadcast ), le32_to_cpu ( stats.tx.frame.broadcast ),
le32_to_cpu ( stats.tx.frame.multicast ), le32_to_cpu ( stats.tx.frame.multicast ),
le32_to_cpu ( stats.tx.frame.pause ) ); le32_to_cpu ( stats.tx.frame.pause ) );
@ -506,16 +127,16 @@ static int smsc75xx_dump_statistics ( struct smsc75xx_device *smsc75xx ) {
/** /**
* Reset device * Reset device
* *
* @v smsc75xx SMSC75xx device * @v smscusb SMSC USB device
* @ret rc Return status code * @ret rc Return status code
*/ */
static int smsc75xx_reset ( struct smsc75xx_device *smsc75xx ) { static int smsc75xx_reset ( struct smscusb_device *smscusb ) {
uint32_t hw_cfg; uint32_t hw_cfg;
unsigned int i; unsigned int i;
int rc; int rc;
/* Reset device */ /* Reset device */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_HW_CFG, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_HW_CFG,
SMSC75XX_HW_CFG_LRST ) ) != 0 ) SMSC75XX_HW_CFG_LRST ) ) != 0 )
return rc; return rc;
@ -523,7 +144,7 @@ static int smsc75xx_reset ( struct smsc75xx_device *smsc75xx ) {
for ( i = 0 ; i < SMSC75XX_RESET_MAX_WAIT_MS ; i++ ) { for ( i = 0 ; i < SMSC75XX_RESET_MAX_WAIT_MS ; i++ ) {
/* Check if reset has completed */ /* Check if reset has completed */
if ( ( rc = smsc75xx_readl ( smsc75xx, SMSC75XX_HW_CFG, if ( ( rc = smscusb_readl ( smscusb, SMSC75XX_HW_CFG,
&hw_cfg ) ) != 0 ) &hw_cfg ) ) != 0 )
return rc; return rc;
if ( ! ( hw_cfg & SMSC75XX_HW_CFG_LRST ) ) if ( ! ( hw_cfg & SMSC75XX_HW_CFG_LRST ) )
@ -533,8 +154,8 @@ static int smsc75xx_reset ( struct smsc75xx_device *smsc75xx ) {
mdelay ( 1 ); mdelay ( 1 );
} }
DBGC ( smsc75xx, "SMSC75XX %p timed out waiting for reset\n", DBGC ( smscusb, "SMSC75XX %p timed out waiting for reset\n",
smsc75xx ); smscusb );
return -ETIMEDOUT; return -ETIMEDOUT;
} }
@ -545,60 +166,6 @@ static int smsc75xx_reset ( struct smsc75xx_device *smsc75xx ) {
****************************************************************************** ******************************************************************************
*/ */
/**
* Complete interrupt transfer
*
* @v ep USB endpoint
* @v iobuf I/O buffer
* @v rc Completion status code
*/
static void smsc75xx_intr_complete ( struct usb_endpoint *ep,
struct io_buffer *iobuf, int rc ) {
struct smsc75xx_device *smsc75xx =
container_of ( ep, struct smsc75xx_device, usbnet.intr );
struct net_device *netdev = smsc75xx->netdev;
struct smsc75xx_interrupt *intr;
/* Profile completions */
profile_start ( &smsc75xx_intr_profiler );
/* Ignore packets cancelled when the endpoint closes */
if ( ! ep->open )
goto done;
/* Record USB errors against the network device */
if ( rc != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p interrupt failed: %s\n",
smsc75xx, strerror ( rc ) );
DBGC_HDA ( smsc75xx, 0, iobuf->data, iob_len ( iobuf ) );
netdev_rx_err ( netdev, NULL, rc );
goto done;
}
/* Extract interrupt data */
if ( iob_len ( iobuf ) != sizeof ( *intr ) ) {
DBGC ( smsc75xx, "SMSC75XX %p malformed interrupt\n",
smsc75xx );
DBGC_HDA ( smsc75xx, 0, iobuf->data, iob_len ( iobuf ) );
netdev_rx_err ( netdev, NULL, rc );
goto done;
}
intr = iobuf->data;
/* Record interrupt status */
smsc75xx->int_sts = le32_to_cpu ( intr->int_sts );
profile_stop ( &smsc75xx_intr_profiler );
done:
/* Free I/O buffer */
free_iob ( iobuf );
}
/** Interrupt endpoint operations */
static struct usb_endpoint_driver_operations smsc75xx_intr_operations = {
.complete = smsc75xx_intr_complete,
};
/** /**
* Complete bulk IN transfer * Complete bulk IN transfer
* *
@ -608,9 +175,9 @@ static struct usb_endpoint_driver_operations smsc75xx_intr_operations = {
*/ */
static void smsc75xx_in_complete ( struct usb_endpoint *ep, static void smsc75xx_in_complete ( struct usb_endpoint *ep,
struct io_buffer *iobuf, int rc ) { struct io_buffer *iobuf, int rc ) {
struct smsc75xx_device *smsc75xx = struct smscusb_device *smscusb =
container_of ( ep, struct smsc75xx_device, usbnet.in ); container_of ( ep, struct smscusb_device, usbnet.in );
struct net_device *netdev = smsc75xx->netdev; struct net_device *netdev = smscusb->netdev;
struct smsc75xx_rx_header *header; struct smsc75xx_rx_header *header;
/* Profile completions */ /* Profile completions */
@ -624,16 +191,16 @@ static void smsc75xx_in_complete ( struct usb_endpoint *ep,
/* Record USB errors against the network device */ /* Record USB errors against the network device */
if ( rc != 0 ) { if ( rc != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p bulk IN failed: %s\n", DBGC ( smscusb, "SMSC75XX %p bulk IN failed: %s\n",
smsc75xx, strerror ( rc ) ); smscusb, strerror ( rc ) );
goto err; goto err;
} }
/* Sanity check */ /* Sanity check */
if ( iob_len ( iobuf ) < ( sizeof ( *header ) ) ) { if ( iob_len ( iobuf ) < ( sizeof ( *header ) ) ) {
DBGC ( smsc75xx, "SMSC75XX %p underlength bulk IN\n", DBGC ( smscusb, "SMSC75XX %p underlength bulk IN\n",
smsc75xx ); smscusb );
DBGC_HDA ( smsc75xx, 0, iobuf->data, iob_len ( iobuf ) ); DBGC_HDA ( smscusb, 0, iobuf->data, iob_len ( iobuf ) );
rc = -EINVAL; rc = -EINVAL;
goto err; goto err;
} }
@ -644,9 +211,9 @@ static void smsc75xx_in_complete ( struct usb_endpoint *ep,
/* Check for errors */ /* Check for errors */
if ( header->command & cpu_to_le32 ( SMSC75XX_RX_RED ) ) { if ( header->command & cpu_to_le32 ( SMSC75XX_RX_RED ) ) {
DBGC ( smsc75xx, "SMSC75XX %p receive error (%08x):\n", DBGC ( smscusb, "SMSC75XX %p receive error (%08x):\n",
smsc75xx, le32_to_cpu ( header->command ) ); smscusb, le32_to_cpu ( header->command ) );
DBGC_HDA ( smsc75xx, 0, iobuf->data, iob_len ( iobuf ) ); DBGC_HDA ( smscusb, 0, iobuf->data, iob_len ( iobuf ) );
rc = -EIO; rc = -EIO;
goto err; goto err;
} }
@ -670,11 +237,11 @@ static struct usb_endpoint_driver_operations smsc75xx_in_operations = {
/** /**
* Transmit packet * Transmit packet
* *
* @v smsc75xx SMSC75xx device * @v smscusb SMSC USB device
* @v iobuf I/O buffer * @v iobuf I/O buffer
* @ret rc Return status code * @ret rc Return status code
*/ */
static int smsc75xx_out_transmit ( struct smsc75xx_device *smsc75xx, static int smsc75xx_out_transmit ( struct smscusb_device *smscusb,
struct io_buffer *iobuf ) { struct io_buffer *iobuf ) {
struct smsc75xx_tx_header *header; struct smsc75xx_tx_header *header;
size_t len = iob_len ( iobuf ); size_t len = iob_len ( iobuf );
@ -692,35 +259,13 @@ static int smsc75xx_out_transmit ( struct smsc75xx_device *smsc75xx,
header->mss = 0; header->mss = 0;
/* Enqueue I/O buffer */ /* Enqueue I/O buffer */
if ( ( rc = usb_stream ( &smsc75xx->usbnet.out, iobuf, 0 ) ) != 0 ) if ( ( rc = usb_stream ( &smscusb->usbnet.out, iobuf, 0 ) ) != 0 )
return rc; return rc;
profile_stop ( &smsc75xx_out_profiler ); profile_stop ( &smsc75xx_out_profiler );
return 0; return 0;
} }
/**
* Complete bulk OUT transfer
*
* @v ep USB endpoint
* @v iobuf I/O buffer
* @v rc Completion status code
*/
static void smsc75xx_out_complete ( struct usb_endpoint *ep,
struct io_buffer *iobuf, int rc ) {
struct smsc75xx_device *smsc75xx =
container_of ( ep, struct smsc75xx_device, usbnet.out );
struct net_device *netdev = smsc75xx->netdev;
/* Report TX completion */
netdev_tx_complete_err ( netdev, iobuf, rc );
}
/** Bulk OUT endpoint operations */
static struct usb_endpoint_driver_operations smsc75xx_out_operations = {
.complete = smsc75xx_out_complete,
};
/****************************************************************************** /******************************************************************************
* *
* Network device interface * Network device interface
@ -735,110 +280,84 @@ static struct usb_endpoint_driver_operations smsc75xx_out_operations = {
* @ret rc Return status code * @ret rc Return status code
*/ */
static int smsc75xx_open ( struct net_device *netdev ) { static int smsc75xx_open ( struct net_device *netdev ) {
struct smsc75xx_device *smsc75xx = netdev->priv; struct smscusb_device *smscusb = netdev->priv;
union smsc75xx_mac mac;
int rc; int rc;
/* Clear stored interrupt status */ /* Clear stored interrupt status */
smsc75xx->int_sts = 0; smscusb->int_sts = 0;
/* Copy MAC address */
memset ( &mac, 0, sizeof ( mac ) );
memcpy ( mac.raw, netdev->ll_addr, ETH_ALEN );
/* Configure bulk IN empty response */ /* Configure bulk IN empty response */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_HW_CFG, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_HW_CFG,
SMSC75XX_HW_CFG_BIR ) ) != 0 ) SMSC75XX_HW_CFG_BIR ) ) != 0 )
goto err_hw_cfg; goto err_hw_cfg;
/* Open USB network device */ /* Open USB network device */
if ( ( rc = usbnet_open ( &smsc75xx->usbnet ) ) != 0 ) { if ( ( rc = usbnet_open ( &smscusb->usbnet ) ) != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p could not open: %s\n", DBGC ( smscusb, "SMSC75XX %p could not open: %s\n",
smsc75xx, strerror ( rc ) ); smscusb, strerror ( rc ) );
goto err_open; goto err_open;
} }
/* Configure interrupt endpoint */ /* Configure interrupt endpoint */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_INT_EP_CTL, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_INT_EP_CTL,
( SMSC75XX_INT_EP_CTL_RDFO_EN | ( SMSC75XX_INT_EP_CTL_RDFO_EN |
SMSC75XX_INT_EP_CTL_PHY_EN ) ) ) != 0 ) SMSC75XX_INT_EP_CTL_PHY_EN ) ) ) != 0 )
goto err_int_ep_ctl; goto err_int_ep_ctl;
/* Configure bulk IN delay */ /* Configure bulk IN delay */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_BULK_IN_DLY, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_BULK_IN_DLY,
SMSC75XX_BULK_IN_DLY_SET ( 0 ) ) ) != 0 ) SMSC75XX_BULK_IN_DLY_SET ( 0 ) ) ) != 0 )
goto err_bulk_in_dly; goto err_bulk_in_dly;
/* Configure receive filters */ /* Configure receive filters */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_RFE_CTL, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_RFE_CTL,
( SMSC75XX_RFE_CTL_AB | ( SMSC75XX_RFE_CTL_AB |
SMSC75XX_RFE_CTL_AM | SMSC75XX_RFE_CTL_AM |
SMSC75XX_RFE_CTL_AU ) ) ) != 0 ) SMSC75XX_RFE_CTL_AU ) ) ) != 0 )
goto err_rfe_ctl; goto err_rfe_ctl;
/* Configure receive FIFO */ /* Configure receive FIFO */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_FCT_RX_CTL, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_FCT_RX_CTL,
( SMSC75XX_FCT_RX_CTL_EN | ( SMSC75XX_FCT_RX_CTL_EN |
SMSC75XX_FCT_RX_CTL_BAD ) ) ) != 0 ) SMSC75XX_FCT_RX_CTL_BAD ) ) ) != 0 )
goto err_fct_rx_ctl; goto err_fct_rx_ctl;
/* Configure transmit FIFO */ /* Configure transmit FIFO */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_FCT_TX_CTL, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_FCT_TX_CTL,
SMSC75XX_FCT_TX_CTL_EN ) ) != 0 ) SMSC75XX_FCT_TX_CTL_EN ) ) != 0 )
goto err_fct_tx_ctl; goto err_fct_tx_ctl;
/* Configure receive datapath */ /* Configure receive datapath */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_MAC_RX, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_MAC_RX,
( SMSC75XX_MAC_RX_MAX_SIZE_DEFAULT | ( SMSC75XX_MAC_RX_MAX_SIZE_DEFAULT |
SMSC75XX_MAC_RX_FCS | SMSC75XX_MAC_RX_FCS |
SMSC75XX_MAC_RX_EN ) ) ) != 0 ) SMSC75XX_MAC_RX_EN ) ) ) != 0 )
goto err_mac_rx; goto err_mac_rx;
/* Configure transmit datapath */ /* Configure transmit datapath */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_MAC_TX, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_MAC_TX,
SMSC75XX_MAC_TX_EN ) ) != 0 ) SMSC75XX_MAC_TX_EN ) ) != 0 )
goto err_mac_tx; goto err_mac_tx;
/* Write MAC address high register */ /* Set MAC address */
if ( ( rc = smsc75xx_raw_writel ( smsc75xx, SMSC75XX_RX_ADDRH, if ( ( rc = smscusb_set_address ( smscusb,
mac.addr.h ) ) != 0 ) SMSC75XX_RX_ADDR_BASE ) ) != 0 )
goto err_rx_addrh; goto err_set_address;
/* Write MAC address low register */ /* Set MAC address perfect filter */
if ( ( rc = smsc75xx_raw_writel ( smsc75xx, SMSC75XX_RX_ADDRL, if ( ( rc = smscusb_set_filter ( smscusb,
mac.addr.l ) ) != 0 ) SMSC75XX_ADDR_FILT_BASE ) ) != 0 )
goto err_rx_addrl; goto err_set_filter;
/* Write MAC address perfect filter high register */ /* Enable PHY interrupts and update link status */
mac.addr.h |= cpu_to_le32 ( SMSC75XX_ADDR_FILTH_VALID ); if ( ( rc = smscusb_mii_open ( smscusb ) ) != 0 )
if ( ( rc = smsc75xx_raw_writel ( smsc75xx, SMSC75XX_ADDR_FILTH ( 0 ), goto err_mii_open;
mac.addr.h ) ) != 0 )
goto err_addr_filth;
/* Write MAC address perfect filter low register */
if ( ( rc = smsc75xx_raw_writel ( smsc75xx, SMSC75XX_ADDR_FILTL ( 0 ),
mac.addr.l ) ) != 0 )
goto err_addr_filtl;
/* Enable PHY interrupts */
if ( ( rc = mii_write ( &smsc75xx->mii, SMSC75XX_MII_PHY_INTR_MASK,
( SMSC75XX_PHY_INTR_ANEG_DONE |
SMSC75XX_PHY_INTR_LINK_DOWN ) ) ) != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p could not set PHY interrupt "
"mask: %s\n", smsc75xx, strerror ( rc ) );
goto err_phy_intr_mask;
}
/* Update link status */
smsc75xx_check_link ( smsc75xx );
return 0; return 0;
err_phy_intr_mask: err_mii_open:
err_addr_filtl: err_set_filter:
err_addr_filth: err_set_address:
err_rx_addrl:
err_rx_addrh:
err_mac_tx: err_mac_tx:
err_mac_rx: err_mac_rx:
err_fct_tx_ctl: err_fct_tx_ctl:
@ -846,10 +365,10 @@ static int smsc75xx_open ( struct net_device *netdev ) {
err_rfe_ctl: err_rfe_ctl:
err_bulk_in_dly: err_bulk_in_dly:
err_int_ep_ctl: err_int_ep_ctl:
usbnet_close ( &smsc75xx->usbnet ); usbnet_close ( &smscusb->usbnet );
err_open: err_open:
err_hw_cfg: err_hw_cfg:
smsc75xx_reset ( smsc75xx ); smsc75xx_reset ( smscusb );
return rc; return rc;
} }
@ -859,16 +378,16 @@ static int smsc75xx_open ( struct net_device *netdev ) {
* @v netdev Network device * @v netdev Network device
*/ */
static void smsc75xx_close ( struct net_device *netdev ) { static void smsc75xx_close ( struct net_device *netdev ) {
struct smsc75xx_device *smsc75xx = netdev->priv; struct smscusb_device *smscusb = netdev->priv;
/* Close USB network device */ /* Close USB network device */
usbnet_close ( &smsc75xx->usbnet ); usbnet_close ( &smscusb->usbnet );
/* Dump statistics (for debugging) */ /* Dump statistics (for debugging) */
smsc75xx_dump_statistics ( smsc75xx ); smsc75xx_dump_statistics ( smscusb );
/* Reset device */ /* Reset device */
smsc75xx_reset ( smsc75xx ); smsc75xx_reset ( smscusb );
} }
/** /**
@ -880,11 +399,11 @@ static void smsc75xx_close ( struct net_device *netdev ) {
*/ */
static int smsc75xx_transmit ( struct net_device *netdev, static int smsc75xx_transmit ( struct net_device *netdev,
struct io_buffer *iobuf ) { struct io_buffer *iobuf ) {
struct smsc75xx_device *smsc75xx = netdev->priv; struct smscusb_device *smscusb = netdev->priv;
int rc; int rc;
/* Transmit packet */ /* Transmit packet */
if ( ( rc = smsc75xx_out_transmit ( smsc75xx, iobuf ) ) != 0 ) if ( ( rc = smsc75xx_out_transmit ( smscusb, iobuf ) ) != 0 )
return rc; return rc;
return 0; return 0;
@ -896,48 +415,47 @@ static int smsc75xx_transmit ( struct net_device *netdev,
* @v netdev Network device * @v netdev Network device
*/ */
static void smsc75xx_poll ( struct net_device *netdev ) { static void smsc75xx_poll ( struct net_device *netdev ) {
struct smsc75xx_device *smsc75xx = netdev->priv; struct smscusb_device *smscusb = netdev->priv;
uint32_t int_sts; uint32_t int_sts;
int rc; int rc;
/* Poll USB bus */ /* Poll USB bus */
usb_poll ( smsc75xx->bus ); usb_poll ( smscusb->bus );
/* Refill endpoints */ /* Refill endpoints */
if ( ( rc = usbnet_refill ( &smsc75xx->usbnet ) ) != 0 ) if ( ( rc = usbnet_refill ( &smscusb->usbnet ) ) != 0 )
netdev_rx_err ( netdev, NULL, rc ); netdev_rx_err ( netdev, NULL, rc );
/* Do nothing more unless there are interrupts to handle */ /* Do nothing more unless there are interrupts to handle */
int_sts = smsc75xx->int_sts; int_sts = smscusb->int_sts;
if ( ! int_sts ) if ( ! int_sts )
return; return;
/* Check link status if applicable */ /* Check link status if applicable */
if ( int_sts & SMSC75XX_INT_STS_PHY_INT ) { if ( int_sts & SMSC75XX_INT_STS_PHY_INT ) {
smsc75xx_check_link ( smsc75xx ); smscusb_mii_check_link ( smscusb );
int_sts &= ~SMSC75XX_INT_STS_PHY_INT; int_sts &= ~SMSC75XX_INT_STS_PHY_INT;
} }
/* Record RX FIFO overflow if applicable */ /* Record RX FIFO overflow if applicable */
if ( int_sts & SMSC75XX_INT_STS_RDFO_INT ) { if ( int_sts & SMSC75XX_INT_STS_RDFO_INT ) {
DBGC2 ( smsc75xx, "SMSC75XX %p RX FIFO overflowed\n", DBGC2 ( smscusb, "SMSC75XX %p RX FIFO overflowed\n", smscusb );
smsc75xx );
netdev_rx_err ( netdev, NULL, -ENOBUFS ); netdev_rx_err ( netdev, NULL, -ENOBUFS );
int_sts &= ~SMSC75XX_INT_STS_RDFO_INT; int_sts &= ~SMSC75XX_INT_STS_RDFO_INT;
} }
/* Check for unexpected interrupts */ /* Check for unexpected interrupts */
if ( int_sts ) { if ( int_sts ) {
DBGC ( smsc75xx, "SMSC75XX %p unexpected interrupt %#08x\n", DBGC ( smscusb, "SMSC75XX %p unexpected interrupt %#08x\n",
smsc75xx, int_sts ); smscusb, int_sts );
netdev_rx_err ( netdev, NULL, -ENOTTY ); netdev_rx_err ( netdev, NULL, -ENOTTY );
} }
/* Clear interrupts */ /* Clear interrupts */
if ( ( rc = smsc75xx_writel ( smsc75xx, SMSC75XX_INT_STS, if ( ( rc = smscusb_writel ( smscusb, SMSC75XX_INT_STS,
smsc75xx->int_sts ) ) != 0 ) smscusb->int_sts ) ) != 0 )
netdev_rx_err ( netdev, NULL, rc ); netdev_rx_err ( netdev, NULL, rc );
smsc75xx->int_sts = 0; smscusb->int_sts = 0;
} }
/** SMSC75xx network device operations */ /** SMSC75xx network device operations */
@ -964,48 +482,41 @@ static struct net_device_operations smsc75xx_operations = {
*/ */
static int smsc75xx_probe ( struct usb_function *func, static int smsc75xx_probe ( struct usb_function *func,
struct usb_configuration_descriptor *config ) { struct usb_configuration_descriptor *config ) {
struct usb_device *usb = func->usb;
struct net_device *netdev; struct net_device *netdev;
struct smsc75xx_device *smsc75xx; struct smscusb_device *smscusb;
int rc; int rc;
/* Allocate and initialise structure */ /* Allocate and initialise structure */
netdev = alloc_etherdev ( sizeof ( *smsc75xx ) ); netdev = alloc_etherdev ( sizeof ( *smscusb ) );
if ( ! netdev ) { if ( ! netdev ) {
rc = -ENOMEM; rc = -ENOMEM;
goto err_alloc; goto err_alloc;
} }
netdev_init ( netdev, &smsc75xx_operations ); netdev_init ( netdev, &smsc75xx_operations );
netdev->dev = &func->dev; netdev->dev = &func->dev;
smsc75xx = netdev->priv; smscusb = netdev->priv;
memset ( smsc75xx, 0, sizeof ( *smsc75xx ) ); memset ( smscusb, 0, sizeof ( *smscusb ) );
smsc75xx->usb = usb; smscusb_init ( smscusb, netdev, func, &smsc75xx_in_operations );
smsc75xx->bus = usb->port->hub->bus; smscusb_mii_init ( smscusb, SMSC75XX_MII_BASE );
smsc75xx->netdev = netdev; usb_refill_init ( &smscusb->usbnet.in, 0, SMSC75XX_IN_MTU,
usbnet_init ( &smsc75xx->usbnet, func, &smsc75xx_intr_operations,
&smsc75xx_in_operations, &smsc75xx_out_operations );
usb_refill_init ( &smsc75xx->usbnet.intr, 0, 0,
SMSC75XX_INTR_MAX_FILL );
usb_refill_init ( &smsc75xx->usbnet.in, 0, SMSC75XX_IN_MTU,
SMSC75XX_IN_MAX_FILL ); SMSC75XX_IN_MAX_FILL );
mii_init ( &smsc75xx->mii, &smsc75xx_mii_operations ); DBGC ( smscusb, "SMSC75XX %p on %s\n", smscusb, func->name );
DBGC ( smsc75xx, "SMSC75XX %p on %s\n", smsc75xx, func->name );
/* Describe USB network device */ /* Describe USB network device */
if ( ( rc = usbnet_describe ( &smsc75xx->usbnet, config ) ) != 0 ) { if ( ( rc = usbnet_describe ( &smscusb->usbnet, config ) ) != 0 ) {
DBGC ( smsc75xx, "SMSC75XX %p could not describe: %s\n", DBGC ( smscusb, "SMSC75XX %p could not describe: %s\n",
smsc75xx, strerror ( rc ) ); smscusb, strerror ( rc ) );
goto err_describe; goto err_describe;
} }
/* Reset device */ /* Reset device */
if ( ( rc = smsc75xx_reset ( smsc75xx ) ) != 0 ) if ( ( rc = smsc75xx_reset ( smscusb ) ) != 0 )
goto err_reset; goto err_reset;
/* Read MAC address */ /* Read MAC address */
if ( ( rc = smsc75xx_eeprom_read ( smsc75xx, SMSC75XX_EEPROM_MAC, if ( ( rc = smscusb_eeprom_fetch_mac ( smscusb,
netdev->hw_addr, ETH_ALEN ) ) != 0 ) SMSC75XX_E2P_BASE ) ) != 0 )
goto err_eeprom_read; goto err_fetch_mac;
/* Register network device */ /* Register network device */
if ( ( rc = register_netdev ( netdev ) ) != 0 ) if ( ( rc = register_netdev ( netdev ) ) != 0 )
@ -1016,7 +527,7 @@ static int smsc75xx_probe ( struct usb_function *func,
unregister_netdev ( netdev ); unregister_netdev ( netdev );
err_register: err_register:
err_eeprom_read: err_fetch_mac:
err_reset: err_reset:
err_describe: err_describe:
netdev_nullify ( netdev ); netdev_nullify ( netdev );

123
src/drivers/net/smsc75xx.h
View File

@ -9,25 +9,7 @@
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/usb.h> #include "smscusb.h"
#include <ipxe/usbnet.h>
#include <ipxe/if_ether.h>
#include <ipxe/mii.h>
/** Register write command */
#define SMSC75XX_REGISTER_WRITE \
( USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE | \
USB_REQUEST_TYPE ( 0xa0 ) )
/** Register read command */
#define SMSC75XX_REGISTER_READ \
( USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE | \
USB_REQUEST_TYPE ( 0xa1 ) )
/** Get statistics command */
#define SMSC75XX_GET_STATISTICS \
( USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE | \
USB_REQUEST_TYPE ( 0xa2 ) )
/** Interrupt status register */ /** Interrupt status register */
#define SMSC75XX_INT_STS 0x00c #define SMSC75XX_INT_STS 0x00c
@ -48,19 +30,8 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#define SMSC75XX_BULK_IN_DLY 0x03c #define SMSC75XX_BULK_IN_DLY 0x03c
#define SMSC75XX_BULK_IN_DLY_SET(ticks) ( (ticks) << 0 ) /**< Delay / 16.7ns */ #define SMSC75XX_BULK_IN_DLY_SET(ticks) ( (ticks) << 0 ) /**< Delay / 16.7ns */
/** EEPROM command register */ /** EEPROM register base */
#define SMSC75XX_E2P_CMD 0x040 #define SMSC75XX_E2P_BASE 0x040
#define SMSC75XX_E2P_CMD_EPC_BSY 0x80000000UL /**< EPC busy */
#define SMSC75XX_E2P_CMD_EPC_CMD_READ 0x00000000UL /**< READ command */
#define SMSC75XX_E2P_CMD_EPC_ADDR(addr) ( (addr) << 0 ) /**< EPC address */
/** EEPROM data register */
#define SMSC75XX_E2P_DATA 0x044
#define SMSC75XX_E2P_DATA_GET(e2p_data) \
( ( (e2p_data) >> 0 ) & 0xff ) /**< EEPROM data */
/** MAC address EEPROM address */
#define SMSC75XX_EEPROM_MAC 0x01
/** Receive filtering engine control register */ /** Receive filtering engine control register */
#define SMSC75XX_RFE_CTL 0x060 #define SMSC75XX_RFE_CTL 0x060
@ -89,56 +60,14 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#define SMSC75XX_MAC_TX 0x108 #define SMSC75XX_MAC_TX 0x108
#define SMSC75XX_MAC_TX_EN 0x00000001UL /**< TX enable */ #define SMSC75XX_MAC_TX_EN 0x00000001UL /**< TX enable */
/** MAC receive address high register */ /** MAC receive address register base */
#define SMSC75XX_RX_ADDRH 0x118 #define SMSC75XX_RX_ADDR_BASE 0x118
/** MAC receive address low register */ /** MII register base */
#define SMSC75XX_RX_ADDRL 0x11c #define SMSC75XX_MII_BASE 0x120
/** MII access register */ /** MAC address perfect filter register base */
#define SMSC75XX_MII_ACCESS 0x120 #define SMSC75XX_ADDR_FILT_BASE 0x300
#define SMSC75XX_MII_ACCESS_PHY_ADDRESS 0x00000800UL /**< PHY address */
#define SMSC75XX_MII_ACCESS_MIIRINDA(addr) ( (addr) << 6 ) /**< MII register */
#define SMSC75XX_MII_ACCESS_MIIWNR 0x00000002UL /**< MII write */
#define SMSC75XX_MII_ACCESS_MIIBZY 0x00000001UL /**< MII busy */
/** MII data register */
#define SMSC75XX_MII_DATA 0x124
#define SMSC75XX_MII_DATA_SET(data) ( (data) << 0 ) /**< Set data */
#define SMSC75XX_MII_DATA_GET(mii_data) \
( ( (mii_data) >> 0 ) & 0xffff ) /**< Get data */
/** PHY interrupt source MII register */
#define SMSC75XX_MII_PHY_INTR_SOURCE 29
/** PHY interrupt mask MII register */
#define SMSC75XX_MII_PHY_INTR_MASK 30
/** PHY interrupt: auto-negotiation complete */
#define SMSC75XX_PHY_INTR_ANEG_DONE 0x0040
/** PHY interrupt: link down */
#define SMSC75XX_PHY_INTR_LINK_DOWN 0x0010
/** MAC address perfect filter N high register */
#define SMSC75XX_ADDR_FILTH(n) ( 0x300 + ( 8 * (n) ) )
#define SMSC75XX_ADDR_FILTH_VALID 0x80000000UL /**< Address valid */
/** MAC address perfect filter N low register */
#define SMSC75XX_ADDR_FILTL(n) ( 0x304 + ( 8 * (n) ) )
/** MAC address */
union smsc75xx_mac {
/** MAC receive address registers */
struct {
/** MAC receive address low register */
uint32_t l;
/** MAC receive address high register */
uint32_t h;
} __attribute__ (( packed )) addr;
/** Raw MAC address */
uint8_t raw[ETH_ALEN];
};
/** Receive packet header */ /** Receive packet header */
struct smsc75xx_rx_header { struct smsc75xx_rx_header {
@ -168,12 +97,6 @@ struct smsc75xx_tx_header {
/** Insert frame checksum and pad */ /** Insert frame checksum and pad */
#define SMSC75XX_TX_FCS 0x00400000UL #define SMSC75XX_TX_FCS 0x00400000UL
/** Interrupt packet format */
struct smsc75xx_interrupt {
/** Current value of INT_STS register */
uint32_t int_sts;
} __attribute__ (( packed ));
/** Byte count statistics */ /** Byte count statistics */
struct smsc75xx_byte_statistics { struct smsc75xx_byte_statistics {
/** Unicast byte count */ /** Unicast byte count */
@ -264,37 +187,9 @@ struct smsc75xx_statistics {
struct smsc75xx_tx_statistics tx; struct smsc75xx_tx_statistics tx;
} __attribute__ (( packed )); } __attribute__ (( packed ));
/** A SMSC75xx network device */
struct smsc75xx_device {
/** USB device */
struct usb_device *usb;
/** USB bus */
struct usb_bus *bus;
/** Network device */
struct net_device *netdev;
/** USB network device */
struct usbnet_device usbnet;
/** MII interface */
struct mii_interface mii;
/** Interrupt status */
uint32_t int_sts;
};
/** Maximum time to wait for reset (in milliseconds) */ /** Maximum time to wait for reset (in milliseconds) */
#define SMSC75XX_RESET_MAX_WAIT_MS 100 #define SMSC75XX_RESET_MAX_WAIT_MS 100
/** Maximum time to wait for EEPROM (in milliseconds) */
#define SMSC75XX_EEPROM_MAX_WAIT_MS 100
/** Maximum time to wait for MII (in milliseconds) */
#define SMSC75XX_MII_MAX_WAIT_MS 100
/** Interrupt maximum fill level
*
* This is a policy decision.
*/
#define SMSC75XX_INTR_MAX_FILL 2
/** Bulk IN maximum fill level /** Bulk IN maximum fill level
* *
* This is a policy decision. * This is a policy decision.