. 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 LAN91C111
. manual from SMC. To get a copy, if you really want one, you can find
#include <common.h>
#include <command.h>
#include <config.h>
+#include <malloc.h>
#include "smc91111.h"
#include <net.h>
. what you are doing.
.
-------------------------------------------------------------------------*/
-#define CARDNAME "LAN91C111"
/* Memory sizing constant */
#define LAN91C111_MEMORY_MULTIPLIER (1024*2)
#ifndef CONFIG_SMC91111_BASE
-#define CONFIG_SMC91111_BASE 0x20000300
+#error "SMC91111 Base address must be passed to initialization funciton"
+/* #define CONFIG_SMC91111_BASE 0x20000300 */
#endif
-#define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
-
#define SMC_DEV_NAME "SMC91111"
#define SMC_PHY_ADDR 0x0000
#define SMC_ALLOC_MAX_TRY 5
#else
#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);
#ifdef SHARED_RESOURCES
- extern void swap_to(int device_id);
+extern void swap_to(int device_id);
+#else
+# define swap_to(x)
#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);
-
-/*
- . Configures the PHY through the MII Management interface
-*/
#ifndef CONFIG_SMC91111_EXT_PHY
-static void smc_phy_configure(void);
+static void smc_phy_configure(struct eth_device *dev);
#endif /* !CONFIG_SMC91111_EXT_PHY */
-/*
- . 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(uchar *v_rom_mac);
-
/*
------------------------------------------------------------
.
* packets being corrupt (shifted) on the wire, etc. Switching to the
* inx,outx functions fixed this problem.
*/
-static inline word SMC_inw(dword offset);
-static inline void SMC_outw(word value, dword offset);
-static inline byte SMC_inb(dword offset);
-static inline void SMC_outb(byte value, dword offset);
-static inline void SMC_insw(dword offset, volatile uchar* buf, dword len);
-static inline void SMC_outsw(dword offset, uchar* buf, dword len);
-
-#define barrier() __asm__ __volatile__("": : :"memory")
-static inline word SMC_inw(dword offset)
+static inline word SMC_inw(struct eth_device *dev, dword offset)
{
word v;
- v = *((volatile word*)(SMC_BASE_ADDRESS+offset));
+ v = *((volatile word*)(dev->iobase + offset));
barrier(); *(volatile u32*)(0xc0000000);
return v;
}
-static inline void SMC_outw(word value, dword offset)
+static inline void SMC_outw(struct eth_device *dev, word value, dword offset)
{
- *((volatile word*)(SMC_BASE_ADDRESS+offset)) = value;
+ *((volatile word*)(dev->iobase + offset)) = value;
barrier(); *(volatile u32*)(0xc0000000);
}
-static inline byte SMC_inb(dword offset)
+static inline byte SMC_inb(struct eth_device *dev, dword offset)
{
word _w;
- _w = SMC_inw(offset & ~((dword)1));
+ _w = SMC_inw(dev, offset & ~((dword)1));
return (offset & 1) ? (byte)(_w >> 8) : (byte)(_w);
}
-static inline void SMC_outb(byte value, dword offset)
+static inline void SMC_outb(struct eth_device *dev, byte value, dword offset)
{
word _w;
- _w = SMC_inw(offset & ~((dword)1));
+ _w = SMC_inw(dev, offset & ~((dword)1));
if (offset & 1)
- *((volatile word*)(SMC_BASE_ADDRESS+(offset & ~((dword)1)))) = (value<<8) | (_w & 0x00ff);
+ *((volatile word*)(dev->iobase + (offset & ~((dword)1)))) =
+ (value<<8) | (_w & 0x00ff);
else
- *((volatile word*)(SMC_BASE_ADDRESS+offset)) = value | (_w & 0xff00);
+ *((volatile word*)(dev->iobase + offset)) =
+ value | (_w & 0xff00);
}
-static inline void SMC_insw(dword offset, volatile uchar* buf, dword len)
+static inline void SMC_insw(struct eth_device *dev, dword offset,
+ volatile uchar* buf, dword len)
{
volatile word *p = (volatile word *)buf;
while (len-- > 0) {
- *p++ = SMC_inw(offset);
+ *p++ = SMC_inw(dev, offset);
barrier();
*((volatile u32*)(0xc0000000));
}
}
-static inline void SMC_outsw(dword offset, uchar* buf, dword len)
+static inline void SMC_outsw(struct eth_device *dev, dword offset,
+ uchar* buf, dword len)
{
volatile word *p = (volatile word *)buf;
while (len-- > 0) {
- SMC_outw(*p++, offset);
+ SMC_outw(dev, *p++, offset);
barrier();
*(volatile u32*)(0xc0000000);
}
}
#endif /* CONFIG_SMC_USE_IOFUNCS */
-static char unsigned smc_mac_addr[6] = {0x02, 0x80, 0xad, 0x20, 0x31, 0xb8};
-
-/*
- * This function must be called before smc_open() if you want to override
- * the default mac address.
- */
-
-void smc_set_mac_addr(const unsigned char *addr) {
- int i;
-
- for (i=0; i < sizeof(smc_mac_addr); i++){
- smc_mac_addr[i] = addr[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 initialization.
- */
-
-#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)
-{
- word mem_info;
- word old_bank;
-
- old_bank = SMC_inw(BANK_SELECT)&0xF;
-
- SMC_SELECT_BANK(0);
- mem_info = SMC_inw( MIR_REG );
- PRINTK2("Memory: %4d available\n", (mem_info >> 8)*2048);
-
- SMC_SELECT_BANK(old_bank);
-}
/*
. A rather simple routine to print out a packet for debugging purposes.
*/
#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 );
-
-/* Routines to Read and Write the PHY Registers across the
- MII Management Interface
-*/
-
-#ifndef CONFIG_SMC91111_EXT_PHY
-static word smc_read_phy_register(byte phyreg);
-static void smc_write_phy_register(byte phyreg, word phydata);
-#endif /* !CONFIG_SMC91111_EXT_PHY */
-
-
-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 (BSR_REG);
+ word old_bank = SMC_inw (dev, BSR_REG);
PRINTK2 ("Polling...\n");
- SMC_SELECT_BANK (2);
- while ((SMC_inw (SMC91111_INT_REG) & mask) == 0) {
+ SMC_SELECT_BANK (dev, 2);
+ while ((SMC_inw (dev, SMC91111_INT_REG) & 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;
}
/* Only one release command at a time, please */
-static inline void smc_wait_mmu_release_complete (void)
+static inline void smc_wait_mmu_release_complete (struct eth_device *dev)
{
int count = 0;
/* assume bank 2 selected */
- while (SMC_inw (MMU_CMD_REG) & MC_BUSY) {
+ while (SMC_inw (dev, MMU_CMD_REG) & MC_BUSY) {
udelay (1); /* Wait until not busy */
if (++count > 200)
break;
. 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);
/* This resets the registers mostly to defaults, but doesn't
affect EEPROM. That seems unnecessary */
- SMC_SELECT_BANK (0);
- SMC_outw (RCR_SOFTRST, RCR_REG);
+ SMC_SELECT_BANK (dev, 0);
+ SMC_outw (dev, RCR_SOFTRST, RCR_REG);
/* Setup the Configuration Register */
/* This is necessary because the CONFIG_REG is not affected */
/* by a soft reset */
- SMC_SELECT_BANK (1);
+ SMC_SELECT_BANK (dev, 1);
#if defined(CONFIG_SMC91111_EXT_PHY)
- SMC_outw (CONFIG_DEFAULT | CONFIG_EXT_PHY, CONFIG_REG);
+ SMC_outw (dev, CONFIG_DEFAULT | CONFIG_EXT_PHY, CONFIG_REG);
#else
- SMC_outw (CONFIG_DEFAULT, CONFIG_REG);
+ SMC_outw (dev, CONFIG_DEFAULT, CONFIG_REG);
#endif
/* Release from possible power-down state */
/* Configuration register is not affected by Soft Reset */
- SMC_outw (SMC_inw (CONFIG_REG) | CONFIG_EPH_POWER_EN, CONFIG_REG);
+ SMC_outw (dev, SMC_inw (dev, CONFIG_REG) | CONFIG_EPH_POWER_EN,
+ CONFIG_REG);
- SMC_SELECT_BANK (0);
+ SMC_SELECT_BANK (dev, 0);
/* this should pause enough for the chip to be happy */
udelay (10);
/* Disable transmit and receive functionality */
- SMC_outw (RCR_CLEAR, RCR_REG);
- SMC_outw (TCR_CLEAR, TCR_REG);
+ SMC_outw (dev, RCR_CLEAR, RCR_REG);
+ SMC_outw (dev, TCR_CLEAR, TCR_REG);
/* set the control register */
- SMC_SELECT_BANK (1);
- SMC_outw (CTL_DEFAULT, CTL_REG);
+ SMC_SELECT_BANK (dev, 1);
+ SMC_outw (dev, CTL_DEFAULT, CTL_REG);
/* Reset the MMU */
- SMC_SELECT_BANK (2);
- smc_wait_mmu_release_complete ();
- SMC_outw (MC_RESET, MMU_CMD_REG);
- while (SMC_inw (MMU_CMD_REG) & MC_BUSY)
+ SMC_SELECT_BANK (dev, 2);
+ smc_wait_mmu_release_complete (dev);
+ SMC_outw (dev, MC_RESET, MMU_CMD_REG);
+ while (SMC_inw (dev, MMU_CMD_REG) & MC_BUSY)
udelay (1); /* Wait until not busy */
/* Note: It doesn't seem that waiting for the MMU busy is needed here,
of issuing another MMU command right after this */
/* Disable all interrupts */
- SMC_outb (0, IM_REG);
+ SMC_outb (dev, 0, IM_REG);
}
/*
. 2. Enable the receiver
. 3. Enable interrupts
*/
-static void smc_enable()
+static void smc_enable(struct eth_device *dev)
{
PRINTK2("%s: smc_enable\n", SMC_DEV_NAME);
- SMC_SELECT_BANK( 0 );
+ SMC_SELECT_BANK( dev, 0 );
/* see the header file for options in TCR/RCR DEFAULT*/
- SMC_outw( TCR_DEFAULT, TCR_REG );
- SMC_outw( RCR_DEFAULT, RCR_REG );
+ SMC_outw( dev, TCR_DEFAULT, TCR_REG );
+ SMC_outw( dev, RCR_DEFAULT, RCR_REG );
/* clear MII_DIS */
/* smc_write_phy_register(PHY_CNTL_REG, 0x0000); */
}
/*
- . Function: smc_shutdown
+ . Function: smc_halt
. Purpose: closes down the SMC91xxx chip.
. Method:
. 1. zero the interrupt mask
. 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_halt(struct eth_device *dev)
{
- PRINTK2(CARDNAME ": smc_shutdown\n");
+ PRINTK2("%s: smc_halt\n", SMC_DEV_NAME);
/* no more interrupts for me */
- SMC_SELECT_BANK( 2 );
- SMC_outb( 0, IM_REG );
+ SMC_SELECT_BANK( dev, 2 );
+ SMC_outb( dev, 0, IM_REG );
/* and tell the card to stay away from that nasty outside world */
- SMC_SELECT_BANK( 0 );
- SMC_outb( RCR_CLEAR, RCR_REG );
- SMC_outb( TCR_CLEAR, TCR_REG );
-#ifdef SHARED_RESOURCES
+ SMC_SELECT_BANK( dev, 0 );
+ SMC_outb( dev, RCR_CLEAR, RCR_REG );
+ SMC_outb( dev, TCR_CLEAR, TCR_REG );
+
swap_to(FLASH);
-#endif
}
/*
- . Function: smc_hardware_send_packet(struct net_device * )
+ . Function: smc_send(struct net_device * )
. Purpose:
. This sends the actual packet to the SMC9xxx chip.
.
. 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(struct eth_device *dev, void *packet, int packet_length)
{
byte packet_no;
- unsigned long ioaddr;
byte *buf;
int length;
int numPages;
word saved_ptr;
/* save PTR and PNR registers before manipulation */
- SMC_SELECT_BANK (2);
- saved_pnr = SMC_inb( PN_REG );
- saved_ptr = SMC_inw( PTR_REG );
+ SMC_SELECT_BANK (dev, 2);
+ saved_pnr = SMC_inb( dev, PN_REG );
+ saved_ptr = SMC_inw( dev, PTR_REG );
PRINTK3 ("%s: smc_hardware_send_packet\n", SMC_DEV_NAME);
}
/* now, try to allocate the memory */
- SMC_SELECT_BANK (2);
- SMC_outw (MC_ALLOC | numPages, MMU_CMD_REG);
+ SMC_SELECT_BANK (dev, 2);
+ SMC_outw (dev, MC_ALLOC | numPages, MMU_CMD_REG);
/* FIXME: the ALLOC_INT bit never gets set *
* so the following will always give a *
try++;
time_out = MEMORY_WAIT_TIME;
do {
- status = SMC_inb (SMC91111_INT_REG);
+ status = SMC_inb (dev, SMC91111_INT_REG);
if (status & IM_ALLOC_INT) {
/* acknowledge the interrupt */
- SMC_outb (IM_ALLOC_INT, SMC91111_INT_REG);
+ SMC_outb (dev, IM_ALLOC_INT, SMC91111_INT_REG);
break;
}
} while (--time_out);
PRINTK2 ("%s: memory allocation, try %d succeeded ...\n",
SMC_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 (AR_REG);
+ packet_no = SMC_inb (dev, AR_REG);
if (packet_no & AR_FAILED) {
/* or isn't there? BAD CHIP! */
printf ("%s: Memory allocation failed. \n", SMC_DEV_NAME);
/* we have a packet address, so tell the card to use it */
#ifndef CONFIG_XAENIAX
- SMC_outb (packet_no, PN_REG);
+ 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 (packet_no << 16, 0);
+ 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");
/* point to the beginning of the packet */
- SMC_outw (PTR_AUTOINC, PTR_REG);
+ SMC_outw (dev, PTR_AUTOINC, PTR_REG);
PRINTK3 ("%s: Trying to xmit packet of length %x\n",
SMC_DEV_NAME, length);
/* 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, SMC91111_DATA_REG);
+ SMC_outl (dev, (length + 6) << 16, SMC91111_DATA_REG);
#else
- SMC_outw (0, SMC91111_DATA_REG);
+ SMC_outw (dev, 0, SMC91111_DATA_REG);
/* send the packet length ( +6 for status words, length, and ctl */
- SMC_outw ((length + 6), SMC91111_DATA_REG);
+ SMC_outw (dev, (length + 6), SMC91111_DATA_REG);
#endif
/* send the actual data
. almost as much time as is saved?
*/
#ifdef USE_32_BIT
- SMC_outsl (SMC91111_DATA_REG, buf, length >> 2);
+ SMC_outsl (dev, SMC91111_DATA_REG, buf, length >> 2);
#ifndef CONFIG_XAENIAX
if (length & 0x2)
- SMC_outw (*((word *) (buf + (length & 0xFFFFFFFC))),
+ 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
*/
if ((length & 3) == 3) {
u16 * ptr = (u16*) &buf[length-3];
- SMC_outl((*ptr) | ((0x2000 | buf[length-1]) << 16),
+ 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(*ptr, SMC91111_DATA_REG);
+ SMC_outl(dev, *ptr, SMC91111_DATA_REG);
} else if (length & 1) {
- SMC_outl((0x2000 | buf[length-1]), SMC91111_DATA_REG);
+ SMC_outl(dev, (0x2000 | buf[length-1]), SMC91111_DATA_REG);
} else {
- SMC_outl(0, SMC91111_DATA_REG);
+ SMC_outl(dev, 0, SMC91111_DATA_REG);
}
#endif
#else
- SMC_outsw (SMC91111_DATA_REG, buf, (length) >> 1);
+ 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 (0, SMC91111_DATA_REG);
+ SMC_outw (dev, 0, SMC91111_DATA_REG);
} else {
- SMC_outw (buf[length - 1] | 0x2000, SMC91111_DATA_REG);
+ SMC_outw (dev, buf[length - 1] | 0x2000, SMC91111_DATA_REG);
}
#endif
/* and let the chipset deal with it */
- SMC_outw (MC_ENQUEUE, MMU_CMD_REG);
+ SMC_outw (dev, MC_ENQUEUE, MMU_CMD_REG);
/* poll for TX INT */
- /* if (poll4int (IM_TX_INT, SMC_TX_TIMEOUT)) { */
+ /* if (poll4int (dev, IM_TX_INT, SMC_TX_TIMEOUT)) { */
/* poll for TX_EMPTY INT - autorelease enabled */
- if (poll4int(IM_TX_EMPTY_INT, SMC_TX_TIMEOUT)) {
+ if (poll4int(dev, IM_TX_EMPTY_INT, SMC_TX_TIMEOUT)) {
/* sending failed */
PRINTK2 ("%s: TX timeout, sending failed...\n", SMC_DEV_NAME);
/* release packet */
/* no need to release, MMU does that now */
#ifdef CONFIG_XAENIAX
- SMC_outw (MC_FREEPKT, MMU_CMD_REG);
+ SMC_outw (dev, MC_FREEPKT, MMU_CMD_REG);
#endif
/* wait for MMU getting ready (low) */
- while (SMC_inw (MMU_CMD_REG) & MC_BUSY) {
+ while (SMC_inw (dev, MMU_CMD_REG) & MC_BUSY) {
udelay (10);
}
return 0;
} else {
/* ack. int */
- SMC_outb (IM_TX_EMPTY_INT, SMC91111_INT_REG);
+ SMC_outb (dev, IM_TX_EMPTY_INT, SMC91111_INT_REG);
/* SMC_outb (IM_TX_INT, SMC91111_INT_REG); */
PRINTK2 ("%s: Sent packet of length %d \n", SMC_DEV_NAME,
length);
/* release packet */
/* no need to release, MMU does that now */
#ifdef CONFIG_XAENIAX
- SMC_outw (MC_FREEPKT, MMU_CMD_REG);
+ SMC_outw (dev, MC_FREEPKT, MMU_CMD_REG);
#endif
/* wait for MMU getting ready (low) */
- while (SMC_inw (MMU_CMD_REG) & MC_BUSY) {
+ while (SMC_inw (dev, MMU_CMD_REG) & MC_BUSY) {
udelay (10);
}
/* restore previously saved registers */
#ifndef CONFIG_XAENIAX
- SMC_outb( saved_pnr, PN_REG );
+ 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(saved_pnr << 16, 0);
+ SMC_outl(dev, saved_pnr << 16, 0);
#endif
- SMC_outw( saved_ptr, PTR_REG );
+ SMC_outw( dev, saved_ptr, PTR_REG );
return length;
}
-/*-------------------------------------------------------------------------
- |
- | smc_destructor( struct net_device * dev )
- | Input parameters:
- | dev, pointer to the device structure
- |
- | Output:
- | None.
- |
- ---------------------------------------------------------------------------
-*/
-void smc_destructor()
+static int smc_write_hwaddr(struct eth_device *dev)
{
- PRINTK2(CARDNAME ": smc_destructor\n");
-}
+ int i;
+ swap_to(ETHERNET);
+ SMC_SELECT_BANK (dev, 1);
+#ifdef USE_32_BIT
+ for (i = 0; i < 6; i += 2) {
+ word address;
+
+ address = dev->enetaddr[i + 1] << 8;
+ address |= dev->enetaddr[i];
+ SMC_outw(dev, address, (ADDR0_REG + i));
+ }
+#else
+ for (i = 0; i < 6; i++)
+ SMC_outb(dev, dev->enetaddr[i], (ADDR0_REG + i));
+#endif
+ swap_to(FLASH);
+ return 0;
+}
/*
* Open and Initialize the board
* Set up everything, reset the card, etc ..
*
*/
-static int smc_open (bd_t * bd)
+static int smc_init(struct eth_device *dev, bd_t *bd)
{
- int i, err;
+ swap_to(ETHERNET);
- PRINTK2 ("%s: smc_open\n", SMC_DEV_NAME);
+ PRINTK2 ("%s: smc_init\n", SMC_DEV_NAME);
/* reset the hardware */
- smc_reset ();
- smc_enable ();
+ smc_reset (dev);
+ smc_enable (dev);
/* Configure the PHY */
#ifndef CONFIG_SMC91111_EXT_PHY
- smc_phy_configure ();
+ smc_phy_configure (dev);
#endif
/* conservative setting (10Mbps, HalfDuplex, no AutoNeg.) */
-/* SMC_SELECT_BANK(0); */
-/* SMC_outw(0, RPC_REG); */
- 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 */
- }
-#ifdef USE_32_BIT
- for (i = 0; i < 6; i += 2) {
- word address;
+/* SMC_SELECT_BANK(dev, 0); */
+/* SMC_outw(dev, 0, RPC_REG); */
- address = smc_mac_addr[i + 1] << 8;
- address |= smc_mac_addr[i];
- SMC_outw (address, (ADDR0_REG + i));
- }
-#else
- for (i = 0; i < 6; i++)
- SMC_outb (smc_mac_addr[i], (ADDR0_REG + i));
-#endif
+ printf(SMC_DEV_NAME ": MAC %pM\n", dev->enetaddr);
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;
byte saved_pnr;
word saved_ptr;
- SMC_SELECT_BANK(2);
+ SMC_SELECT_BANK(dev, 2);
/* save PTR and PTR registers */
- saved_pnr = SMC_inb( PN_REG );
- saved_ptr = SMC_inw( PTR_REG );
+ saved_pnr = SMC_inb( dev, PN_REG );
+ saved_ptr = SMC_inw( dev, PTR_REG );
- packet_number = SMC_inw( RXFIFO_REG );
+ packet_number = SMC_inw( dev, RXFIFO_REG );
if ( packet_number & RXFIFO_REMPTY ) {
PRINTK3("%s: smc_rcv\n", SMC_DEV_NAME);
/* start reading from the start of the packet */
- SMC_outw( PTR_READ | PTR_RCV | PTR_AUTOINC, PTR_REG );
+ SMC_outw( dev, PTR_READ | PTR_RCV | PTR_AUTOINC, PTR_REG );
/* First two words are status and packet_length */
#ifdef USE_32_BIT
- stat_len = SMC_inl(SMC91111_DATA_REG);
+ stat_len = SMC_inl(dev, SMC91111_DATA_REG);
status = stat_len & 0xffff;
packet_length = stat_len >> 16;
#else
- status = SMC_inw( SMC91111_DATA_REG );
- packet_length = SMC_inw( SMC91111_DATA_REG );
+ status = SMC_inw( dev, SMC91111_DATA_REG );
+ packet_length = SMC_inw( dev, SMC91111_DATA_REG );
#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( SMC91111_DATA_REG , NetRxPackets[0], packet_length >> 2 );
+ SMC_insl( dev, SMC91111_DATA_REG, 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(SMC91111_DATA_REG);
+ byte *tail = (byte *)(NetRxPackets[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",
(packet_length >> 1 ), packet_length & 1 );
- SMC_insw(SMC91111_DATA_REG , NetRxPackets[0], packet_length >> 1);
+ SMC_insw(dev, SMC91111_DATA_REG , NetRxPackets[0],
+ packet_length >> 1);
#endif /* USE_32_BIT */
is_error = 1;
}
- while ( SMC_inw( MMU_CMD_REG ) & MC_BUSY )
+ while ( SMC_inw( dev, MMU_CMD_REG ) & MC_BUSY )
udelay(1); /* Wait until not busy */
/* error or good, tell the card to get rid of this packet */
- SMC_outw( MC_RELEASE, MMU_CMD_REG );
+ SMC_outw( dev, MC_RELEASE, MMU_CMD_REG );
- while ( SMC_inw( MMU_CMD_REG ) & MC_BUSY )
+ while ( SMC_inw( dev, MMU_CMD_REG ) & MC_BUSY )
udelay(1); /* Wait until not busy */
/* restore saved registers */
#ifndef CONFIG_XAENIAX
- SMC_outb( saved_pnr, PN_REG );
+ 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( saved_pnr << 16, 0);
+ SMC_outl( dev, saved_pnr << 16, 0);
#endif
- SMC_outw( saved_ptr, PTR_REG );
+ SMC_outw( dev, saved_ptr, PTR_REG );
if (!is_error) {
/* Pass the packet up to the protocol layers. */
}
-/*----------------------------------------------------
- . smc_close
- .
- . this makes the board clean up everything that it can
- . and not talk to the outside world. Caused by
- . an 'ifconfig ethX down'
- .
- -----------------------------------------------------*/
-static int smc_close()
-{
- PRINTK2("%s: smc_close\n", SMC_DEV_NAME);
-
- /* clear everything */
- smc_shutdown();
-
- return 0;
-}
-
-
#if 0
/*------------------------------------------------------------
. Modify a bit in the LAN91C111 register set
.-------------------------------------------------------------*/
-static word smc_modify_regbit(int bank, int ioaddr, int reg,
+static word smc_modify_regbit(struct eth_device *dev, int bank, int ioaddr, int reg,
unsigned int bit, int val)
{
word regval;
- SMC_SELECT_BANK( bank );
+ SMC_SELECT_BANK( dev, bank );
- regval = SMC_inw( reg );
+ regval = SMC_inw( dev, reg );
if (val)
regval |= bit;
else
regval &= ~bit;
- SMC_outw( regval, 0 );
+ SMC_outw( dev, regval, 0 );
return(regval);
}
/*------------------------------------------------------------
. Retrieve a bit in the LAN91C111 register set
.-------------------------------------------------------------*/
-static int smc_get_regbit(int bank, int ioaddr, int reg, unsigned int bit)
+static int smc_get_regbit(struct eth_device *dev, int bank, int ioaddr, int reg, unsigned int bit)
{
- SMC_SELECT_BANK( bank );
- if ( SMC_inw( reg ) & bit)
+ SMC_SELECT_BANK( dev, bank );
+ if ( SMC_inw( dev, reg ) & bit)
return(1);
else
return(0);
/*------------------------------------------------------------
. Modify a LAN91C111 register (word access only)
.-------------------------------------------------------------*/
-static void smc_modify_reg(int bank, int ioaddr, int reg, word val)
+static void smc_modify_reg(struct eth_device *dev, int bank, int ioaddr, int reg, word val)
{
- SMC_SELECT_BANK( bank );
- SMC_outw( val, reg );
+ SMC_SELECT_BANK( dev, bank );
+ SMC_outw( dev, val, reg );
}
/*------------------------------------------------------------
. Retrieve a LAN91C111 register (word access only)
.-------------------------------------------------------------*/
-static int smc_get_reg(int bank, int ioaddr, int reg)
+static int smc_get_reg(struct eth_device *dev, int bank, int ioaddr, int reg)
{
- SMC_SELECT_BANK( bank );
- return(SMC_inw( reg ));
+ SMC_SELECT_BANK( dev, bank );
+ return(SMC_inw( dev, reg ));
}
#endif /* 0 */
. Reads a register from the MII Management serial interface
.-------------------------------------------------------------*/
#ifndef CONFIG_SMC91111_EXT_PHY
-static word smc_read_phy_register (byte phyreg)
+static word smc_read_phy_register (struct eth_device *dev, byte phyreg)
{
int oldBank;
int i;
bits[clk_idx++] = 0;
/* Save the current bank */
- oldBank = SMC_inw (BANK_SELECT);
+ oldBank = SMC_inw (dev, BANK_SELECT);
/* Select bank 3 */
- SMC_SELECT_BANK (3);
+ SMC_SELECT_BANK (dev, 3);
/* Get the current MII register value */
- mii_reg = SMC_inw (MII_REG);
+ mii_reg = SMC_inw (dev, MII_REG);
/* Turn off all MII Interface bits */
mii_reg &= ~(MII_MDOE | MII_MCLK | MII_MDI | MII_MDO);
/* Clock all 64 cycles */
for (i = 0; i < sizeof bits; ++i) {
/* Clock Low - output data */
- SMC_outw (mii_reg | bits[i], MII_REG);
+ SMC_outw (dev, mii_reg | bits[i], MII_REG);
udelay (SMC_PHY_CLOCK_DELAY);
/* Clock Hi - input data */
- SMC_outw (mii_reg | bits[i] | MII_MCLK, MII_REG);
+ SMC_outw (dev, mii_reg | bits[i] | MII_MCLK, MII_REG);
udelay (SMC_PHY_CLOCK_DELAY);
- bits[i] |= SMC_inw (MII_REG) & MII_MDI;
+ bits[i] |= SMC_inw (dev, MII_REG) & MII_MDI;
}
/* Return to idle state */
/* Set clock to low, data to low, and output tristated */
- SMC_outw (mii_reg, MII_REG);
+ SMC_outw (dev, mii_reg, MII_REG);
udelay (SMC_PHY_CLOCK_DELAY);
/* Restore original bank select */
- SMC_SELECT_BANK (oldBank);
+ SMC_SELECT_BANK (dev, oldBank);
/* Recover input data */
phydata = 0;
/*------------------------------------------------------------
. Writes a register to the MII Management serial interface
.-------------------------------------------------------------*/
-static void smc_write_phy_register (byte phyreg, word phydata)
+static void smc_write_phy_register (struct eth_device *dev, byte phyreg,
+ word phydata)
{
int oldBank;
int i;
bits[clk_idx++] = 0;
/* Save the current bank */
- oldBank = SMC_inw (BANK_SELECT);
+ oldBank = SMC_inw (dev, BANK_SELECT);
/* Select bank 3 */
- SMC_SELECT_BANK (3);
+ SMC_SELECT_BANK (dev, 3);
/* Get the current MII register value */
- mii_reg = SMC_inw (MII_REG);
+ mii_reg = SMC_inw (dev, MII_REG);
/* Turn off all MII Interface bits */
mii_reg &= ~(MII_MDOE | MII_MCLK | MII_MDI | MII_MDO);
/* Clock all cycles */
for (i = 0; i < sizeof bits; ++i) {
/* Clock Low - output data */
- SMC_outw (mii_reg | bits[i], MII_REG);
+ SMC_outw (dev, mii_reg | bits[i], MII_REG);
udelay (SMC_PHY_CLOCK_DELAY);
/* Clock Hi - input data */
- SMC_outw (mii_reg | bits[i] | MII_MCLK, MII_REG);
+ SMC_outw (dev, mii_reg | bits[i] | MII_MCLK, MII_REG);
udelay (SMC_PHY_CLOCK_DELAY);
- bits[i] |= SMC_inw (MII_REG) & MII_MDI;
+ bits[i] |= SMC_inw (dev, MII_REG) & MII_MDI;
}
/* Return to idle state */
/* Set clock to low, data to low, and output tristated */
- SMC_outw (mii_reg, MII_REG);
+ SMC_outw (dev, mii_reg, MII_REG);
udelay (SMC_PHY_CLOCK_DELAY);
/* Restore original bank select */
- SMC_SELECT_BANK (oldBank);
+ SMC_SELECT_BANK (dev, oldBank);
#if (SMC_DEBUG > 2 )
printf ("smc_write_phy_register(): phyaddr=%x,phyreg=%x,phydata=%x\n",
#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.
.-------------------------------------------------------------*/
#ifndef CONFIG_SMC91111_EXT_PHY
-static void smc_phy_configure ()
+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 (PHY_CNTL_REG, PHY_CNTL_RST);
+ smc_write_phy_register (dev, PHY_CNTL_REG, PHY_CNTL_RST);
/* Wait for the reset to complete, or time out */
timeout = 6; /* Wait up to 3 seconds */
while (timeout--) {
- if (!(smc_read_phy_register (PHY_CNTL_REG)
+ if (!(smc_read_phy_register (dev, PHY_CNTL_REG)
& PHY_CNTL_RST)) {
/* reset complete */
break;
}
- smc_wait_ms (500); /* wait 500 millisecs */
+ mdelay(500); /* wait 500 millisecs */
}
if (timeout < 1) {
/* Enable PHY Interrupts (for register 18) */
/* Interrupts listed here are disabled */
- smc_write_phy_register (PHY_MASK_REG, 0xffff);
+ smc_write_phy_register (dev, PHY_MASK_REG, 0xffff);
/* Configure the Receive/Phy Control register */
- SMC_SELECT_BANK (0);
- SMC_outw (RPC_DEFAULT, RPC_REG);
+ SMC_SELECT_BANK (dev, 0);
+ SMC_outw (dev, RPC_DEFAULT, RPC_REG);
/* Copy our capabilities from PHY_STAT_REG to PHY_AD_REG */
- my_phy_caps = smc_read_phy_register (PHY_STAT_REG);
+ my_phy_caps = smc_read_phy_register (dev, PHY_STAT_REG);
my_ad_caps = PHY_AD_CSMA; /* I am CSMA capable */
if (my_phy_caps & PHY_STAT_CAP_T4)
my_ad_caps |= PHY_AD_10_HDX;
/* Update our Auto-Neg Advertisement Register */
- smc_write_phy_register (PHY_AD_REG, my_ad_caps);
+ smc_write_phy_register (dev, PHY_AD_REG, my_ad_caps);
/* Read the register back. Without this, it appears that when */
/* auto-negotiation is restarted, sometimes it isn't ready and */
/* the link does not come up. */
- smc_read_phy_register(PHY_AD_REG);
+ smc_read_phy_register(dev, PHY_AD_REG);
PRINTK2 ("%s: phy caps=%x\n", SMC_DEV_NAME, my_phy_caps);
PRINTK2 ("%s: phy advertised caps=%x\n", SMC_DEV_NAME, my_ad_caps);
/* Restart auto-negotiation process in order to advertise my caps */
- smc_write_phy_register (PHY_CNTL_REG,
+ smc_write_phy_register (dev, PHY_CNTL_REG,
PHY_CNTL_ANEG_EN | PHY_CNTL_ANEG_RST);
/* Wait for the auto-negotiation to complete. This may take from */
timeout = CONFIG_SMC_AUTONEG_TIMEOUT * 2;
while (timeout--) {
- status = smc_read_phy_register (PHY_STAT_REG);
+ status = smc_read_phy_register (dev, PHY_STAT_REG);
if (status & PHY_STAT_ANEG_ACK) {
/* auto-negotiate complete */
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) {
/* Restart auto-negotiation */
printf ("%s: PHY restarting auto-negotiation\n",
SMC_DEV_NAME);
- smc_write_phy_register (PHY_CNTL_REG,
+ smc_write_phy_register (dev, PHY_CNTL_REG,
PHY_CNTL_ANEG_EN |
PHY_CNTL_ANEG_RST |
PHY_CNTL_SPEED |
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 */
- SMC_outw (RPC_DEFAULT, RPC_REG);
+ SMC_outw (dev, RPC_DEFAULT, RPC_REG);
smc_phy_configure_exit: ;
}
#endif
-int eth_init(bd_t *bd) {
-#ifdef SHARED_RESOURCES
- swap_to(ETHERNET);
-#endif
- return (smc_open(bd));
-}
-
-void eth_halt() {
- smc_close();
-}
-
-int eth_rx() {
- return smc_rcv();
-}
-
-int eth_send(volatile void *packet, int length) {
- return smc_send_packet(packet, length);
-}
-
-int smc_get_ethaddr (bd_t * bd)
+int smc91111_initialize(u8 dev_num, int base_addr)
{
- int env_size, rom_valid, env_present = 0, reg;
- char *s = NULL, *e, es[] = "11:22:33:44:55:66";
- char s_env_mac[64];
- uchar v_env_mac[6], v_rom_mac[6], *v_mac;
-
- env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_mac));
- if ((env_size > 0) && (env_size < sizeof (es))) { /* exit if env is bad */
- printf ("\n*** ERROR: ethaddr is not set properly!!\n");
- return (-1);
- }
-
- if (env_size > 0) {
- env_present = 1;
- s = s_env_mac;
- }
-
- 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;
- }
-
- 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 = 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 = v_env_mac; /* always use a good env over a ROM */
- }
+ struct smc91111_priv *priv;
+ struct eth_device *dev;
+ int i;
- 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");
- }
+ priv = malloc(sizeof(*priv));
+ if (!priv)
+ return 0;
+ dev = malloc(sizeof(*dev));
+ if (!dev) {
+ free(priv);
+ return 0;
}
- memcpy (bd->bi_enetaddr, v_mac, 6); /* update global address to match env (allows env changing) */
- smc_set_mac_addr ((uchar *)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);
-}
-int get_rom_mac (uchar *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 };
+ memset(dev, 0, sizeof(*dev));
+ priv->dev_num = dev_num;
+ dev->priv = priv;
+ dev->iobase = base_addr;
- memcpy (v_rom_mac, hw_mac_addr, 6);
- return (1);
-#else
- int i;
- int valid_mac = 0;
+ swap_to(ETHERNET);
+ SMC_SELECT_BANK(dev, 1);
+ for (i = 0; i < 6; ++i)
+ dev->enetaddr[i] = SMC_inb(dev, (ADDR0_REG + i));
+ swap_to(FLASH);
- SMC_SELECT_BANK (1);
- for (i=0; i<6; i++)
- {
- v_rom_mac[i] = SMC_inb ((ADDR0_REG + i));
- valid_mac |= v_rom_mac[i];
- }
+ dev->init = smc_init;
+ dev->halt = smc_halt;
+ dev->send = smc_send;
+ dev->recv = smc_rcv;
+ dev->write_hwaddr = smc_write_hwaddr;
+ sprintf(dev->name, "%s-%hu", SMC_DEV_NAME, dev_num);
- return (valid_mac ? 1 : 0);
-#endif
+ eth_register(dev);
+ return 0;
}