#include <common.h>
#include <command.h>
+#include <malloc.h>
#include "lan91c96.h"
#include <net.h>
+#include <linux/compiler.h>
/*------------------------------------------------------------------------
*
*
*------------------------------------------------------------------------
*/
-#define CARDNAME "LAN91C96"
-
-#define SMC_BASE_ADDRESS CONFIG_LAN91C96_BASE
-
-#define SMC_DEV_NAME "LAN91C96"
+#define DRIVER_NAME "LAN91C96"
#define SMC_ALLOC_MAX_TRY 5
#define SMC_TX_TIMEOUT 30
#undef USE_32_BIT
#endif
-/*-----------------------------------------------------------------
- *
- * The driver can be entered at any of the following entry points.
- *
- *-----------------------------------------------------------------
- */
-
-extern int eth_init (bd_t * bd);
-extern void eth_halt (void);
-extern int eth_rx (void);
-extern int eth_send (volatile void *packet, int length);
-#if 0
-static int smc_hw_init (void);
-#endif
-
-/*
- * This is called by register_netdev(). It is responsible for
- * checking the portlist for the SMC9000 series chipset. If it finds
- * one, then it will initialize the device, find the hardware information,
- * and sets up the appropriate device parameters.
- * NOTE: Interrupts are *OFF* when this procedure is called.
- *
- * NB:This shouldn't be static since it is referred to externally.
- */
-int smc_init (void);
-
-/*
- * This is called by unregister_netdev(). It is responsible for
- * cleaning up before the driver is finally unregistered and discarded.
- */
-void smc_destructor (void);
-
-/*
- * The kernel calls this function when someone wants to use the device,
- * typically 'ifconfig ethX up'.
- */
-static int smc_open (bd_t *bd);
-
-
-/*
- * This is called by the kernel in response to 'ifconfig ethX down'. It
- * is responsible for cleaning up everything that the open routine
- * does, and maybe putting the card into a powerdown state.
- */
-static int smc_close (void);
-
-/*
- * This is a separate procedure to handle the receipt of a packet, to
- * leave the interrupt code looking slightly cleaner
- */
-static int smc_rcv (void);
-
/* See if a MAC address is defined in the current environment. If so use it. If not
. print a warning and set the environment and other globals with the default.
. If an EEPROM is present it really should be consulted.
*/
-int smc_get_ethaddr(bd_t *bd);
-int get_rom_mac(unsigned char *v_rom_mac);
+static int smc_get_ethaddr(bd_t *bd, struct eth_device *dev);
+static int get_rom_mac(struct eth_device *dev, unsigned char *v_rom_mac);
/* ------------------------------------------------------------
* Internal routines
* the default mac address.
*/
-void smc_set_mac_addr (const unsigned char *addr)
+static void smc_set_mac_addr(const unsigned char *addr)
{
int i;
}
}
-/*
- * smc_get_macaddr is no longer used. If you want to override the default
- * mac address, call smc_get_mac_addr as a part of the board initialisation.
- */
-
-#if 0
-void smc_get_macaddr (byte * addr)
-{
- /* MAC ADDRESS AT FLASHBLOCK 1 / OFFSET 0x10 */
- unsigned char *dnp1110_mac = (unsigned char *) (0xE8000000 + 0x20010);
- int i;
-
-
- for (i = 0; i < 6; i++) {
- addr[0] = *(dnp1110_mac + 0);
- addr[1] = *(dnp1110_mac + 1);
- addr[2] = *(dnp1110_mac + 2);
- addr[3] = *(dnp1110_mac + 3);
- addr[4] = *(dnp1110_mac + 4);
- addr[5] = *(dnp1110_mac + 5);
- }
-}
-#endif /* 0 */
-
/***********************************************
* Show available memory *
***********************************************/
-void dump_memory_info (void)
+void dump_memory_info(struct eth_device *dev)
{
- word mem_info;
+ __maybe_unused word mem_info;
word old_bank;
- old_bank = SMC_inw (LAN91C96_BANK_SELECT) & 0xF;
+ old_bank = SMC_inw(dev, LAN91C96_BANK_SELECT) & 0xF;
- SMC_SELECT_BANK (0);
- mem_info = SMC_inw (LAN91C96_MIR);
+ SMC_SELECT_BANK(dev, 0);
+ mem_info = SMC_inw(dev, LAN91C96_MIR);
PRINTK2 ("Memory: %4d available\n", (mem_info >> 8) * 2048);
- SMC_SELECT_BANK (old_bank);
+ SMC_SELECT_BANK(dev, old_bank);
}
/*
static void print_packet (byte *, int);
#endif
-/* #define tx_done(dev) 1 */
-
-
-/* this does a soft reset on the device */
-static void smc_reset (void);
-
-/* Enable Interrupts, Receive, and Transmit */
-static void smc_enable (void);
-
-/* this puts the device in an inactive state */
-static void smc_shutdown (void);
-
-
-static int poll4int (byte mask, int timeout)
+static int poll4int (struct eth_device *dev, byte mask, int timeout)
{
int tmo = get_timer (0) + timeout * CONFIG_SYS_HZ;
int is_timeout = 0;
- word old_bank = SMC_inw (LAN91C96_BANK_SELECT);
+ word old_bank = SMC_inw(dev, LAN91C96_BANK_SELECT);
PRINTK2 ("Polling...\n");
- SMC_SELECT_BANK (2);
- while ((SMC_inw (LAN91C96_INT_STATS) & mask) == 0) {
+ SMC_SELECT_BANK(dev, 2);
+ while ((SMC_inw(dev, LAN91C96_INT_STATS) & mask) == 0) {
if (get_timer (0) >= tmo) {
is_timeout = 1;
break;
}
/* restore old bank selection */
- SMC_SELECT_BANK (old_bank);
+ SMC_SELECT_BANK(dev, old_bank);
if (is_timeout)
return 1;
}
/*
- * Function: smc_reset( void )
+ * Function: smc_reset
* Purpose:
* This sets the SMC91111 chip to its normal state, hopefully from whatever
* mess that any other DOS driver has put it in.
* 5. clear all interrupts
*
*/
-static void smc_reset (void)
+static void smc_reset(struct eth_device *dev)
{
- PRINTK2 ("%s:smc_reset\n", SMC_DEV_NAME);
+ PRINTK2("%s:smc_reset\n", dev->name);
/* This resets the registers mostly to defaults, but doesn't
affect EEPROM. That seems unnecessary */
- SMC_SELECT_BANK (0);
- SMC_outw (LAN91C96_RCR_SOFT_RST, LAN91C96_RCR);
+ SMC_SELECT_BANK(dev, 0);
+ SMC_outw(dev, LAN91C96_RCR_SOFT_RST, LAN91C96_RCR);
udelay (10);
/* Disable transmit and receive functionality */
- SMC_outw (0, LAN91C96_RCR);
- SMC_outw (0, LAN91C96_TCR);
+ SMC_outw(dev, 0, LAN91C96_RCR);
+ SMC_outw(dev, 0, LAN91C96_TCR);
/* set the control register */
- SMC_SELECT_BANK (1);
- SMC_outw (SMC_inw (LAN91C96_CONTROL) | LAN91C96_CTR_BIT_8,
+ SMC_SELECT_BANK(dev, 1);
+ SMC_outw(dev, SMC_inw(dev, LAN91C96_CONTROL) | LAN91C96_CTR_BIT_8,
LAN91C96_CONTROL);
/* Disable all interrupts */
- SMC_outb (0, LAN91C96_INT_MASK);
+ SMC_outb(dev, 0, LAN91C96_INT_MASK);
}
/*
* 2. Enable the transmitter
* 3. Enable the receiver
*/
-static void smc_enable ()
+static void smc_enable(struct eth_device *dev)
{
- PRINTK2 ("%s:smc_enable\n", SMC_DEV_NAME);
- SMC_SELECT_BANK (0);
+ PRINTK2("%s:smc_enable\n", dev->name);
+ SMC_SELECT_BANK(dev, 0);
/* Initialize the Memory Configuration Register. See page
49 of the LAN91C96 data sheet for details. */
- SMC_outw (LAN91C96_MCR_TRANSMIT_PAGES, LAN91C96_MCR);
+ SMC_outw(dev, LAN91C96_MCR_TRANSMIT_PAGES, LAN91C96_MCR);
/* Initialize the Transmit Control Register */
- SMC_outw (LAN91C96_TCR_TXENA, LAN91C96_TCR);
+ SMC_outw(dev, LAN91C96_TCR_TXENA, LAN91C96_TCR);
/* Initialize the Receive Control Register
* FIXME:
* The promiscuous bit set because I could not receive ARP reply
* packets from the server when I send a ARP request. It only works
* when I set the promiscuous bit
*/
- SMC_outw (LAN91C96_RCR_RXEN | LAN91C96_RCR_PRMS, LAN91C96_RCR);
+ SMC_outw(dev, LAN91C96_RCR_RXEN | LAN91C96_RCR_PRMS, LAN91C96_RCR);
}
/*
* the manual says that it will wake up in response to any I/O requests
* in the register space. Empirical results do not show this working.
*/
-static void smc_shutdown ()
+static void smc_shutdown(struct eth_device *dev)
{
- PRINTK2 (CARDNAME ":smc_shutdown\n");
+ PRINTK2("%s:smc_shutdown\n", dev->name);
/* no more interrupts for me */
- SMC_SELECT_BANK (2);
- SMC_outb (0, LAN91C96_INT_MASK);
+ SMC_SELECT_BANK(dev, 2);
+ SMC_outb(dev, 0, LAN91C96_INT_MASK);
/* and tell the card to stay away from that nasty outside world */
- SMC_SELECT_BANK (0);
- SMC_outb (0, LAN91C96_RCR);
- SMC_outb (0, LAN91C96_TCR);
+ SMC_SELECT_BANK(dev, 0);
+ SMC_outb(dev, 0, LAN91C96_RCR);
+ SMC_outb(dev, 0, LAN91C96_TCR);
}
* Enable the transmit interrupt, so I know if it failed
* Free the kernel data if I actually sent it.
*/
-static int smc_send_packet (volatile void *packet, int packet_length)
+static int smc_send_packet(struct eth_device *dev, void *packet,
+ int packet_length)
{
byte packet_no;
- unsigned long ioaddr;
byte *buf;
int length;
int numPages;
byte status;
- PRINTK3 ("%s:smc_hardware_send_packet\n", SMC_DEV_NAME);
+ PRINTK3("%s:smc_hardware_send_packet\n", dev->name);
length = ETH_ZLEN < packet_length ? packet_length : ETH_ZLEN;
numPages >>= 8; /* Divide by 256 */
if (numPages > 7) {
- printf ("%s: Far too big packet error. \n", SMC_DEV_NAME);
+ printf("%s: Far too big packet error. \n", dev->name);
return 0;
}
/* now, try to allocate the memory */
- SMC_SELECT_BANK (2);
- SMC_outw (LAN91C96_MMUCR_ALLOC_TX | numPages, LAN91C96_MMU);
+ SMC_SELECT_BANK(dev, 2);
+ SMC_outw(dev, LAN91C96_MMUCR_ALLOC_TX | numPages, LAN91C96_MMU);
again:
try++;
time_out = MEMORY_WAIT_TIME;
do {
- status = SMC_inb (LAN91C96_INT_STATS);
+ status = SMC_inb(dev, LAN91C96_INT_STATS);
if (status & LAN91C96_IST_ALLOC_INT) {
- SMC_outb (LAN91C96_IST_ALLOC_INT, LAN91C96_INT_STATS);
+ SMC_outb(dev, LAN91C96_IST_ALLOC_INT,
+ LAN91C96_INT_STATS);
break;
}
} while (--time_out);
if (!time_out) {
PRINTK2 ("%s: memory allocation, try %d failed ...\n",
- SMC_DEV_NAME, try);
+ dev->name, try);
if (try < SMC_ALLOC_MAX_TRY)
goto again;
else
}
PRINTK2 ("%s: memory allocation, try %d succeeded ...\n",
- SMC_DEV_NAME, try);
+ dev->name, try);
/* I can send the packet now.. */
-
- ioaddr = SMC_BASE_ADDRESS;
-
buf = (byte *) packet;
/* If I get here, I _know_ there is a packet slot waiting for me */
- packet_no = SMC_inb (LAN91C96_ARR);
+ packet_no = SMC_inb(dev, LAN91C96_ARR);
if (packet_no & LAN91C96_ARR_FAILED) {
/* or isn't there? BAD CHIP! */
- printf ("%s: Memory allocation failed. \n", SMC_DEV_NAME);
+ printf("%s: Memory allocation failed. \n", dev->name);
return 0;
}
/* we have a packet address, so tell the card to use it */
- SMC_outb (packet_no, LAN91C96_PNR);
+ SMC_outb(dev, packet_no, LAN91C96_PNR);
/* point to the beginning of the packet */
- SMC_outw (LAN91C96_PTR_AUTO_INCR, LAN91C96_POINTER);
+ SMC_outw(dev, LAN91C96_PTR_AUTO_INCR, LAN91C96_POINTER);
- PRINTK3 ("%s: Trying to xmit packet of length %x\n",
- SMC_DEV_NAME, length);
+ PRINTK3("%s: Trying to xmit packet of length %x\n",
+ dev->name, length);
#if SMC_DEBUG > 2
printf ("Transmitting Packet\n");
/* send the packet length ( +6 for status, length and ctl byte )
and the status word ( set to zeros ) */
#ifdef USE_32_BIT
- SMC_outl ((length + 6) << 16, LAN91C96_DATA_HIGH);
+ SMC_outl(dev, (length + 6) << 16, LAN91C96_DATA_HIGH);
#else
- SMC_outw (0, LAN91C96_DATA_HIGH);
+ SMC_outw(dev, 0, LAN91C96_DATA_HIGH);
/* send the packet length ( +6 for status words, length, and ctl */
- SMC_outw ((length + 6), LAN91C96_DATA_HIGH);
+ SMC_outw(dev, (length + 6), LAN91C96_DATA_HIGH);
#endif /* USE_32_BIT */
/* send the actual data
* almost as much time as is saved?
*/
#ifdef USE_32_BIT
- SMC_outsl (LAN91C96_DATA_HIGH, buf, length >> 2);
+ SMC_outsl(dev, LAN91C96_DATA_HIGH, buf, length >> 2);
if (length & 0x2)
- SMC_outw (*((word *) (buf + (length & 0xFFFFFFFC))),
+ SMC_outw(dev, *((word *) (buf + (length & 0xFFFFFFFC))),
LAN91C96_DATA_HIGH);
#else
- SMC_outsw (LAN91C96_DATA_HIGH, buf, (length) >> 1);
+ SMC_outsw(dev, LAN91C96_DATA_HIGH, buf, (length) >> 1);
#endif /* USE_32_BIT */
/* Send the last byte, if there is one. */
if ((length & 1) == 0) {
- SMC_outw (0, LAN91C96_DATA_HIGH);
+ SMC_outw(dev, 0, LAN91C96_DATA_HIGH);
} else {
- SMC_outw (buf[length - 1] | 0x2000, LAN91C96_DATA_HIGH);
+ SMC_outw(dev, buf[length - 1] | 0x2000, LAN91C96_DATA_HIGH);
}
/* and let the chipset deal with it */
- SMC_outw (LAN91C96_MMUCR_ENQUEUE, LAN91C96_MMU);
+ SMC_outw(dev, LAN91C96_MMUCR_ENQUEUE, LAN91C96_MMU);
/* poll for TX INT */
- if (poll4int (LAN91C96_MSK_TX_INT, SMC_TX_TIMEOUT)) {
+ if (poll4int (dev, LAN91C96_MSK_TX_INT, SMC_TX_TIMEOUT)) {
/* sending failed */
- PRINTK2 ("%s: TX timeout, sending failed...\n", SMC_DEV_NAME);
+ PRINTK2("%s: TX timeout, sending failed...\n", dev->name);
/* release packet */
- SMC_outw (LAN91C96_MMUCR_RELEASE_TX, LAN91C96_MMU);
+ SMC_outw(dev, LAN91C96_MMUCR_RELEASE_TX, LAN91C96_MMU);
/* wait for MMU getting ready (low) */
- while (SMC_inw (LAN91C96_MMU) & LAN91C96_MMUCR_NO_BUSY) {
+ while (SMC_inw(dev, LAN91C96_MMU) & LAN91C96_MMUCR_NO_BUSY)
udelay (10);
- }
- PRINTK2 ("MMU ready\n");
+ PRINTK2("MMU ready\n");
return 0;
} else {
/* ack. int */
- SMC_outw (LAN91C96_IST_TX_INT, LAN91C96_INT_STATS);
+ SMC_outw(dev, LAN91C96_IST_TX_INT, LAN91C96_INT_STATS);
- PRINTK2 ("%s: Sent packet of length %d \n", SMC_DEV_NAME, length);
+ PRINTK2("%s: Sent packet of length %d \n", dev->name, length);
/* release packet */
- SMC_outw (LAN91C96_MMUCR_RELEASE_TX, LAN91C96_MMU);
+ SMC_outw(dev, LAN91C96_MMUCR_RELEASE_TX, LAN91C96_MMU);
/* wait for MMU getting ready (low) */
- while (SMC_inw (LAN91C96_MMU) & LAN91C96_MMUCR_NO_BUSY) {
+ while (SMC_inw(dev, LAN91C96_MMU) & LAN91C96_MMUCR_NO_BUSY)
udelay (10);
- }
PRINTK2 ("MMU ready\n");
}
return length;
}
-/*-------------------------------------------------------------------------
- * smc_destructor( struct net_device * dev )
- * Input parameters:
- * dev, pointer to the device structure
- *
- * Output:
- * None.
- *--------------------------------------------------------------------------
- */
-void smc_destructor ()
-{
- PRINTK2 (CARDNAME ":smc_destructor\n");
-}
-
/*
* Open and Initialize the board
* Set up everything, reset the card, etc ..
*
*/
-static int smc_open (bd_t *bd)
+static int smc_open(bd_t *bd, struct eth_device *dev)
{
int i, err; /* used to set hw ethernet address */
- PRINTK2 ("%s:smc_open\n", SMC_DEV_NAME);
+ PRINTK2("%s:smc_open\n", dev->name);
/* reset the hardware */
- smc_reset ();
- smc_enable ();
+ smc_reset(dev);
+ smc_enable(dev);
- SMC_SELECT_BANK (1);
-
- err = smc_get_ethaddr (bd); /* set smc_mac_addr, and sync it with u-boot globals */
- if (err < 0) {
- memset (bd->bi_enetaddr, 0, 6); /* hack to make error stick! upper code will abort if not set */
- return (-1); /* upper code ignores this, but NOT bi_enetaddr */
- }
+ SMC_SELECT_BANK(dev, 1);
+ /* set smc_mac_addr, and sync it with u-boot globals */
+ err = smc_get_ethaddr(bd, dev);
+ if (err < 0)
+ return -1;
#ifdef USE_32_BIT
for (i = 0; i < 6; i += 2) {
word address;
address = smc_mac_addr[i + 1] << 8;
address |= smc_mac_addr[i];
- SMC_outw (address, LAN91C96_IA0 + i);
+ SMC_outw(dev, address, LAN91C96_IA0 + i);
}
#else
for (i = 0; i < 6; i++)
- SMC_outb (smc_mac_addr[i], LAN91C96_IA0 + i);
+ SMC_outb(dev, smc_mac_addr[i], LAN91C96_IA0 + i);
#endif
return 0;
}
* o otherwise, read in the packet
*-------------------------------------------------------------
*/
-static int smc_rcv ()
+static int smc_rcv(struct eth_device *dev)
{
int packet_number;
word status;
#endif
- SMC_SELECT_BANK (2);
- packet_number = SMC_inw (LAN91C96_FIFO);
+ SMC_SELECT_BANK(dev, 2);
+ packet_number = SMC_inw(dev, LAN91C96_FIFO);
if (packet_number & LAN91C96_FIFO_RXEMPTY) {
return 0;
}
- PRINTK3 ("%s:smc_rcv\n", SMC_DEV_NAME);
+ PRINTK3("%s:smc_rcv\n", dev->name);
/* start reading from the start of the packet */
- SMC_outw (LAN91C96_PTR_READ | LAN91C96_PTR_RCV |
+ SMC_outw(dev, LAN91C96_PTR_READ | LAN91C96_PTR_RCV |
LAN91C96_PTR_AUTO_INCR, LAN91C96_POINTER);
/* First two words are status and packet_length */
#ifdef USE_32_BIT
- stat_len = SMC_inl (LAN91C96_DATA_HIGH);
+ stat_len = SMC_inl(dev, LAN91C96_DATA_HIGH);
status = stat_len & 0xffff;
packet_length = stat_len >> 16;
#else
- status = SMC_inw (LAN91C96_DATA_HIGH);
- packet_length = SMC_inw (LAN91C96_DATA_HIGH);
+ status = SMC_inw(dev, LAN91C96_DATA_HIGH);
+ packet_length = SMC_inw(dev, LAN91C96_DATA_HIGH);
#endif
packet_length &= 0x07ff; /* mask off top bits */
to send the DWORDs or the bytes first, or some
mixture. A mixture might improve already slow PIO
performance */
- SMC_insl (LAN91C96_DATA_HIGH, NetRxPackets[0], packet_length >> 2);
+ SMC_insl(dev, LAN91C96_DATA_HIGH, NetRxPackets[0],
+ packet_length >> 2);
/* read the left over bytes */
if (packet_length & 3) {
int i;
byte *tail = (byte *) (NetRxPackets[0] + (packet_length & ~3));
- dword leftover = SMC_inl (LAN91C96_DATA_HIGH);
+ dword leftover = SMC_inl(dev, LAN91C96_DATA_HIGH);
for (i = 0; i < (packet_length & 3); i++)
*tail++ = (byte) (leftover >> (8 * i)) & 0xff;
#else
PRINTK3 (" Reading %d words and %d byte(s) \n",
(packet_length >> 1), packet_length & 1);
- SMC_insw (LAN91C96_DATA_HIGH, NetRxPackets[0], packet_length >> 1);
+ SMC_insw(dev, LAN91C96_DATA_HIGH, NetRxPackets[0],
+ packet_length >> 1);
#endif /* USE_32_BIT */
#if SMC_DEBUG > 2
printf ("Receiving Packet\n");
- print_packet (NetRxPackets[0], packet_length);
+ print_packet((byte *)NetRxPackets[0], packet_length);
#endif
} else {
/* error ... */
is_error = 1;
}
- while (SMC_inw (LAN91C96_MMU) & LAN91C96_MMUCR_NO_BUSY)
+ while (SMC_inw(dev, LAN91C96_MMU) & LAN91C96_MMUCR_NO_BUSY)
udelay (1); /* Wait until not busy */
/* error or good, tell the card to get rid of this packet */
- SMC_outw (LAN91C96_MMUCR_RELEASE_RX, LAN91C96_MMU);
+ SMC_outw(dev, LAN91C96_MMUCR_RELEASE_RX, LAN91C96_MMU);
- while (SMC_inw (LAN91C96_MMU) & LAN91C96_MMUCR_NO_BUSY)
+ while (SMC_inw(dev, LAN91C96_MMU) & LAN91C96_MMUCR_NO_BUSY)
udelay (1); /* Wait until not busy */
if (!is_error) {
* an 'ifconfig ethX down'
*
-----------------------------------------------------*/
-static int smc_close ()
+static int smc_close(struct eth_device *dev)
{
- PRINTK2 ("%s:smc_close\n", SMC_DEV_NAME);
+ PRINTK2("%s:smc_close\n", dev->name);
/* clear everything */
- smc_shutdown ();
+ smc_shutdown(dev);
return 0;
}
#if SMC_DEBUG > 2
-static void print_packet (byte * buf, int length)
+static void print_packet(byte *buf, int length)
{
#if 0
int i;
}
#endif /* SMC_DEBUG > 2 */
-int eth_init (bd_t * bd)
+static int lan91c96_init(struct eth_device *dev, bd_t *bd)
{
- return (smc_open(bd));
+ return smc_open(bd, dev);
}
-void eth_halt ()
+static void lan91c96_halt(struct eth_device *dev)
{
- smc_close ();
+ smc_close(dev);
}
-int eth_rx ()
+static int lan91c96_recv(struct eth_device *dev)
{
- return smc_rcv ();
+ return smc_rcv(dev);
}
-int eth_send (volatile void *packet, int length)
+static int lan91c96_send(struct eth_device *dev, void *packet,
+ int length)
{
- return smc_send_packet (packet, length);
+ return smc_send_packet(dev, packet, length);
}
-
-#if 0
-/*-------------------------------------------------------------------------
- * smc_hw_init()
- *
- * Function:
- * Reset and enable the device, check if the I/O space location
- * is correct
- *
- * Input parameters:
- * None
- *
- * Output:
- * 0 --> success
- * 1 --> error
- *--------------------------------------------------------------------------
- */
-static int smc_hw_init ()
-{
- unsigned short status_test;
-
- /* The attribute register of the LAN91C96 is located at address
- 0x0e000000 on the lubbock platform */
- volatile unsigned *attaddr = (unsigned *) (0x0e000000);
-
- /* first reset, then enable the device. Sequence is critical */
- attaddr[LAN91C96_ECOR] |= LAN91C96_ECOR_SRESET;
- udelay (100);
- attaddr[LAN91C96_ECOR] &= ~LAN91C96_ECOR_SRESET;
- attaddr[LAN91C96_ECOR] |= LAN91C96_ECOR_ENABLE;
-
- /* force 16-bit mode */
- attaddr[LAN91C96_ECSR] &= ~LAN91C96_ECSR_IOIS8;
- udelay (100);
-
- /* check if the I/O address is correct, the upper byte of the
- bank select register should read 0x33 */
-
- status_test = SMC_inw (LAN91C96_BANK_SELECT);
- if ((status_test & 0xFF00) != 0x3300) {
- printf ("Failed to initialize ethernetchip\n");
- return 1;
- }
- return 0;
-}
-#endif /* 0 */
-
-/* smc_get_ethaddr (bd_t * bd)
+/* smc_get_ethaddr
*
* This checks both the environment and the ROM for an ethernet address. If
* found, the environment takes precedence.
*/
-int smc_get_ethaddr (bd_t * bd)
+static int smc_get_ethaddr(bd_t *bd, struct eth_device *dev)
{
- int env_size = 0;
- int rom_valid = 0;
- int env_present = 0;
- int reg = 0;
- char *s = NULL;
- char *e = NULL;
- char *v_mac, es[] = "11:22:33:44:55:66";
- char s_env_mac[64];
- uchar v_env_mac[6];
- uchar v_rom_mac[6];
-
- env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_mac));
- if (env_size != sizeof(es)) { /* Ignore if env is bad or not set */
- printf ("\n*** Warning: ethaddr is not set properly, ignoring!!\n");
- } else {
- env_present = 1;
- s = s_env_mac;
+ uchar v_mac[6];
- for (reg = 0; reg < 6; ++reg) { /* turn string into mac value */
- v_env_mac[reg] = s ? simple_strtoul (s, &e, 16) : 0;
- if (s)
- s = (*e) ? e + 1 : e;
+ if (!eth_getenv_enetaddr("ethaddr", v_mac)) {
+ /* get ROM mac value if any */
+ if (!get_rom_mac(dev, v_mac)) {
+ printf("\n*** ERROR: ethaddr is NOT set !!\n");
+ return -1;
}
+ eth_setenv_enetaddr("ethaddr", v_mac);
}
- rom_valid = get_rom_mac (v_rom_mac); /* get ROM mac value if any */
-
- if (!env_present) { /* if NO env */
- if (rom_valid) { /* but ROM is valid */
- v_mac = (char *)v_rom_mac;
- sprintf (s_env_mac, "%02X:%02X:%02X:%02X:%02X:%02X",
- v_mac[0], v_mac[1], v_mac[2], v_mac[3],
- v_mac[4], v_mac[5]);
- setenv ("ethaddr", s_env_mac);
- } else { /* no env, bad ROM */
- printf ("\n*** ERROR: ethaddr is NOT set !!\n");
- return (-1);
- }
- } else { /* good env, don't care ROM */
- v_mac = (char *)v_env_mac; /* always use a good env over a ROM */
- }
-
- if (env_present && rom_valid) { /* if both env and ROM are good */
- if (memcmp (v_env_mac, v_rom_mac, 6) != 0) {
- printf ("\nWarning: MAC addresses don't match:\n");
- printf ("\tHW MAC address: "
- "%02X:%02X:%02X:%02X:%02X:%02X\n",
- v_rom_mac[0], v_rom_mac[1],
- v_rom_mac[2], v_rom_mac[3],
- v_rom_mac[4], v_rom_mac[5] );
- printf ("\t\"ethaddr\" value: "
- "%02X:%02X:%02X:%02X:%02X:%02X\n",
- v_env_mac[0], v_env_mac[1],
- v_env_mac[2], v_env_mac[3],
- v_env_mac[4], v_env_mac[5]) ;
- debug ("### Set MAC addr from environment\n");
- }
- }
- memcpy (bd->bi_enetaddr, v_mac, 6); /* update global address to match env (allows env changing) */
- smc_set_mac_addr ((unsigned char *)v_mac); /* use old function to update smc default */
- PRINTK("Using MAC Address %02X:%02X:%02X:%02X:%02X:%02X\n", v_mac[0], v_mac[1],
- v_mac[2], v_mac[3], v_mac[4], v_mac[5]);
- return (0);
+ smc_set_mac_addr(v_mac); /* use old function to update smc default */
+ PRINTK("Using MAC Address %pM\n", v_mac);
+ return 0;
}
/*
* Note, this has omly been tested for the OMAP730 P2.
*/
-int get_rom_mac (unsigned char *v_rom_mac)
+static int get_rom_mac(struct eth_device *dev, unsigned char *v_rom_mac)
{
#ifdef HARDCODE_MAC /* used for testing or to supress run time warnings */
char hw_mac_addr[] = { 0x02, 0x80, 0xad, 0x20, 0x31, 0xb8 };
return (1);
#else
int i;
- SMC_SELECT_BANK (1);
+ SMC_SELECT_BANK(dev, 1);
for (i=0; i<6; i++)
{
- v_rom_mac[i] = SMC_inb (LAN91C96_IA0 + i);
+ v_rom_mac[i] = SMC_inb(dev, LAN91C96_IA0 + i);
}
return (1);
#endif
}
+
+/* Structure to detect the device IDs */
+struct id_type {
+ u8 id;
+ char *name;
+};
+static struct id_type supported_chips[] = {
+ {0, ""}, /* Dummy entry to prevent id check failure */
+ {9, "LAN91C110"},
+ {8, "LAN91C100FD"},
+ {7, "LAN91C100"},
+ {5, "LAN91C95"},
+ {4, "LAN91C94/96"},
+ {3, "LAN91C90/92"},
+};
+/* lan91c96_detect_chip
+ * See:
+ * http://www.embeddedsys.com/subpages/resources/images/documents/LAN91C96_datasheet.pdf
+ * page 71 - that is the closest we get to detect this device
+ */
+static int lan91c96_detect_chip(struct eth_device *dev)
+{
+ u8 chip_id;
+ int r;
+ SMC_SELECT_BANK(dev, 3);
+ chip_id = (SMC_inw(dev, 0xA) & LAN91C96_REV_CHIPID) >> 4;
+ SMC_SELECT_BANK(dev, 0);
+ for (r = 0; r < sizeof(supported_chips) / sizeof(struct id_type); r++)
+ if (chip_id == supported_chips[r].id)
+ return r;
+ return 0;
+}
+
+int lan91c96_initialize(u8 dev_num, int base_addr)
+{
+ struct eth_device *dev;
+ int r = 0;
+
+ dev = malloc(sizeof(*dev));
+ if (!dev) {
+ return 0;
+ }
+ memset(dev, 0, sizeof(*dev));
+
+ dev->iobase = base_addr;
+
+ /* Try to detect chip. Will fail if not present. */
+ r = lan91c96_detect_chip(dev);
+ if (!r) {
+ free(dev);
+ return 0;
+ }
+ get_rom_mac(dev, dev->enetaddr);
+
+ dev->init = lan91c96_init;
+ dev->halt = lan91c96_halt;
+ dev->send = lan91c96_send;
+ dev->recv = lan91c96_recv;
+ sprintf(dev->name, "%s-%hu", supported_chips[r].name, dev_num);
+
+ eth_register(dev);
+ return 0;
+}
projects / karo-tx-uboot.git / blobdiff