/*------------------------------------------------------------------------
* lan91c96.c
* This is a driver for SMSC's LAN91C96 single-chip Ethernet device, based
- * on the SMC91111 driver from U-boot.
+ * on the SMC91111 driver from U-Boot.
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* 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
+ * SPDX-License-Identifier: GPL-2.0+
*
* Information contained in this file was obtained from the LAN91C96
* manual from SMC. To get a copy, if you really want one, you can find
* information under www.smsc.com.
*
- *
* "Features" of the SMC chip:
* 6144 byte packet memory. ( for the 91C96 )
* EEPROM for configuration
#include <malloc.h>
#include "lan91c96.h"
#include <net.h>
+#include <linux/compiler.h>
/*------------------------------------------------------------------------
*
***********************************************/
void dump_memory_info(struct eth_device *dev)
{
- word mem_info;
+ __maybe_unused word mem_info;
word old_bank;
old_bank = SMC_inw(dev, LAN91C96_BANK_SELECT) & 0xF;
* Enable the transmit interrupt, so I know if it failed
* Free the kernel data if I actually sent it.
*/
-static int smc_send_packet(struct eth_device *dev, volatile void *packet,
+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;
dev->name, try);
/* I can send the packet now.. */
-
- ioaddr = dev->iobase;
-
buf = (byte *) packet;
/* If I get here, I _know_ there is a packet slot waiting for me */
to send the DWORDs or the bytes first, or some
mixture. A mixture might improve already slow PIO
performance */
- SMC_insl(dev, LAN91C96_DATA_HIGH, NetRxPackets[0],
- packet_length >> 2);
+ SMC_insl(dev, LAN91C96_DATA_HIGH, net_rx_packets[0],
+ packet_length >> 2);
/* read the left over bytes */
if (packet_length & 3) {
int i;
- byte *tail = (byte *) (NetRxPackets[0] + (packet_length & ~3));
+ byte *tail = (byte *)(net_rx_packets[0] +
+ (packet_length & ~3));
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(dev, LAN91C96_DATA_HIGH, NetRxPackets[0],
- packet_length >> 1);
+ PRINTK3(" Reading %d words and %d byte(s)\n",
+ (packet_length >> 1), packet_length & 1);
+ SMC_insw(dev, LAN91C96_DATA_HIGH, net_rx_packets[0],
+ packet_length >> 1);
#endif /* USE_32_BIT */
#if SMC_DEBUG > 2
printf ("Receiving Packet\n");
- print_packet((byte *)NetRxPackets[0], packet_length);
+ print_packet((byte *)net_rx_packets[0], packet_length);
#endif
} else {
/* error ... */
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;
return smc_rcv(dev);
}
-static int lan91c96_send(struct eth_device *dev, volatile void *packet,
+static int lan91c96_send(struct eth_device *dev, void *packet,
int length)
{
return smc_send_packet(dev, packet, length);
{
uchar v_mac[6];
- if (!eth_getenv_enetaddr("ethaddr", v_mac)) {
+ if (!eth_env_get_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);
+ eth_env_set_enetaddr("ethaddr", v_mac);
}
smc_set_mac_addr(v_mac); /* use old function to update smc default */
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 };
-
- memcpy (v_rom_mac, hw_mac_addr, 6);
- return (1);
-#else
int i;
SMC_SELECT_BANK(dev, 1);
for (i=0; i<6; i++)
v_rom_mac[i] = SMC_inb(dev, LAN91C96_IA0 + i);
}
return (1);
-#endif
}
/* Structure to detect the device IDs */
u8 chip_id;
int r;
SMC_SELECT_BANK(dev, 3);
- chip_id = SMC_inw(dev, 0xA) & LAN91C96_REV_REVID;
+ 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++)
+ for (r = 0; r < ARRAY_SIZE(supported_chips); r++)
if (chip_id == supported_chips[r].id)
return r;
return 0;
projects / people / ms / u-boot.git / blobdiff