+// SPDX-License-Identifier: GPL-2.0+
/*------------------------------------------------------------------------
. smc91111.c
. This is a driver for SMSC's 91C111 single-chip Ethernet device.
. Developed by Simple Network Magic Corporation (SNMC)
. Copyright (C) 1996 by Erik Stahlman (ES)
.
- . This program is free software; you can redistribute it and/or modify
- . it under the terms of the GNU General Public License as published by
- . the Free Software Foundation; either version 2 of the License, or
- . (at your option) any later version.
- .
- . This program is distributed in the hope that it will be useful,
- . but WITHOUT ANY WARRANTY; without even the implied warranty of
- . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- . GNU General Public License for more details.
- .
- . You should have received a copy of the GNU General Public License
- . along with this program; if not, write to the Free Software
- . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
.
. Information contained in this file was obtained from the LAN91C111
. manual from SMC. To get a copy, if you really want one, you can find
* inx,outx functions fixed this problem.
*/
-#define barrier() __asm__ __volatile__("": : :"memory")
-
static inline word SMC_inw(struct eth_device *dev, dword offset)
{
word v;
. Enable the transmit interrupt, so I know if it failed
. Free the kernel data if I actually sent it.
*/
-static int smc_send(struct eth_device *dev, volatile void *packet,
- int packet_length)
+static int smc_send(struct eth_device *dev, void *packet, int packet_length)
{
byte packet_no;
byte *buf;
}
/* we have a packet address, so tell the card to use it */
-#ifndef CONFIG_XAENIAX
SMC_outb (dev, packet_no, PN_REG);
-#else
- /* On Xaeniax board, we can't use SMC_outb here because that way
- * the Allocate MMU command will end up written to the command register
- * as well, which will lead to a problem.
- */
- SMC_outl (dev, packet_no << 16, 0);
-#endif
+
/* do not write new ptr value if Write data fifo not empty */
while ( saved_ptr & PTR_NOTEMPTY )
printf ("Write data fifo not empty!\n");
*/
#ifdef USE_32_BIT
SMC_outsl (dev, SMC91111_DATA_REG, buf, length >> 2);
-#ifndef CONFIG_XAENIAX
if (length & 0x2)
SMC_outw (dev, *((word *) (buf + (length & 0xFFFFFFFC))),
SMC91111_DATA_REG);
-#else
- /* On XANEIAX, we can only use 32-bit writes, so we need to handle
- * unaligned tail part specially. The standard code doesn't work.
- */
- if ((length & 3) == 3) {
- u16 * ptr = (u16*) &buf[length-3];
- SMC_outl(dev, (*ptr) | ((0x2000 | buf[length-1]) << 16),
- SMC91111_DATA_REG);
- } else if ((length & 2) == 2) {
- u16 * ptr = (u16*) &buf[length-2];
- SMC_outl(dev, *ptr, SMC91111_DATA_REG);
- } else if (length & 1) {
- SMC_outl(dev, (0x2000 | buf[length-1]), SMC91111_DATA_REG);
- } else {
- SMC_outl(dev, 0, SMC91111_DATA_REG);
- }
-#endif
#else
SMC_outsw (dev, SMC91111_DATA_REG, buf, (length) >> 1);
#endif /* USE_32_BIT */
-#ifndef CONFIG_XAENIAX
/* Send the last byte, if there is one. */
if ((length & 1) == 0) {
SMC_outw (dev, 0, SMC91111_DATA_REG);
} else {
SMC_outw (dev, buf[length - 1] | 0x2000, SMC91111_DATA_REG);
}
-#endif
/* and let the chipset deal with it */
SMC_outw (dev, MC_ENQUEUE, MMU_CMD_REG);
/* release packet */
/* no need to release, MMU does that now */
-#ifdef CONFIG_XAENIAX
- SMC_outw (dev, MC_FREEPKT, MMU_CMD_REG);
-#endif
/* wait for MMU getting ready (low) */
while (SMC_inw (dev, MMU_CMD_REG) & MC_BUSY) {
/* release packet */
/* no need to release, MMU does that now */
-#ifdef CONFIG_XAENIAX
- SMC_outw (dev, MC_FREEPKT, MMU_CMD_REG);
-#endif
/* wait for MMU getting ready (low) */
while (SMC_inw (dev, MMU_CMD_REG) & MC_BUSY) {
}
/* restore previously saved registers */
-#ifndef CONFIG_XAENIAX
SMC_outb( dev, saved_pnr, PN_REG );
-#else
- /* On Xaeniax board, we can't use SMC_outb here because that way
- * the Allocate MMU command will end up written to the command register
- * as well, which will lead to a problem.
- */
- SMC_outl(dev, saved_pnr << 16, 0);
-#endif
SMC_outw( dev, saved_ptr, PTR_REG );
return length;
#ifdef USE_32_BIT
- PRINTK3(" Reading %d dwords (and %d bytes) \n",
+ PRINTK3(" Reading %d dwords (and %d bytes)\n",
packet_length >> 2, packet_length & 3 );
/* QUESTION: Like in the TX routine, do I want
to send the DWORDs or the bytes first, or some
mixture. A mixture might improve already slow PIO
performance */
- SMC_insl( dev, SMC91111_DATA_REG, NetRxPackets[0],
- packet_length >> 2 );
+ SMC_insl(dev, SMC91111_DATA_REG, net_rx_packets[0],
+ packet_length >> 2);
/* read the left over bytes */
if (packet_length & 3) {
int i;
- byte *tail = (byte *)(NetRxPackets[0] +
+ byte *tail = (byte *)(net_rx_packets[0] +
(packet_length & ~3));
dword leftover = SMC_inl(dev, SMC91111_DATA_REG);
for (i=0; i<(packet_length & 3); i++)
*tail++ = (byte) (leftover >> (8*i)) & 0xff;
}
#else
- PRINTK3(" Reading %d words and %d byte(s) \n",
+ PRINTK3(" Reading %d words and %d byte(s)\n",
(packet_length >> 1 ), packet_length & 1 );
- SMC_insw(dev, SMC91111_DATA_REG , NetRxPackets[0],
- packet_length >> 1);
+ SMC_insw(dev, SMC91111_DATA_REG , net_rx_packets[0],
+ packet_length >> 1);
#endif /* USE_32_BIT */
#if SMC_DEBUG > 2
printf("Receiving Packet\n");
- print_packet( NetRxPackets[0], packet_length );
+ print_packet(net_rx_packets[0], packet_length);
#endif
} else {
/* error ... */
udelay(1); /* Wait until not busy */
/* restore saved registers */
-#ifndef CONFIG_XAENIAX
SMC_outb( dev, saved_pnr, PN_REG );
-#else
- /* On Xaeniax board, we can't use SMC_outb here because that way
- * the Allocate MMU command will end up written to the command register
- * as well, which will lead to a problem.
- */
- SMC_outl( dev, saved_pnr << 16, 0);
-#endif
SMC_outw( dev, saved_ptr, PTR_REG );
if (!is_error) {
/* Pass the packet up to the protocol layers. */
- NetReceive(NetRxPackets[0], packet_length);
+ net_process_received_packet(net_rx_packets[0], packet_length);
return packet_length;
} else {
return 0;
#endif /* !CONFIG_SMC91111_EXT_PHY */
-/*------------------------------------------------------------
- . Waits the specified number of milliseconds - kernel friendly
- .-------------------------------------------------------------*/
-#ifndef CONFIG_SMC91111_EXT_PHY
-static void smc_wait_ms(unsigned int ms)
-{
- udelay(ms*1000);
-}
-#endif /* !CONFIG_SMC91111_EXT_PHY */
-
-
/*------------------------------------------------------------
. Configures the specified PHY using Autonegotiation. Calls
. smc_phy_fixed() if the user has requested a certain config.
static void smc_phy_configure (struct eth_device *dev)
{
int timeout;
- byte phyaddr;
word my_phy_caps; /* My PHY capabilities */
word my_ad_caps; /* My Advertised capabilities */
word status = 0; /*;my status = 0 */
- int failed = 0;
PRINTK3 ("%s: smc_program_phy()\n", SMC_DEV_NAME);
-
- /* Get the detected phy address */
- phyaddr = SMC_PHY_ADDR;
-
/* Reset the PHY, setting all other bits to zero */
smc_write_phy_register (dev, PHY_CNTL_REG, PHY_CNTL_RST);
break;
}
- smc_wait_ms (500); /* wait 500 millisecs */
+ mdelay(500); /* wait 500 millisecs */
}
if (timeout < 1) {
break;
}
- smc_wait_ms (500); /* wait 500 millisecs */
+ mdelay(500); /* wait 500 millisecs */
/* Restart auto-negotiation if remote fault */
if (status & PHY_STAT_REM_FLT) {
if (timeout < 1) {
printf ("%s: PHY auto-negotiate timed out\n", SMC_DEV_NAME);
- failed = 1;
}
/* Fail if we detected an auto-negotiate remote fault */
if (status & PHY_STAT_REM_FLT) {
printf ("%s: PHY remote fault detected\n", SMC_DEV_NAME);
- failed = 1;
}
/* Re-Configure the Receive/Phy Control register */
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