@ -2,7 +2,7 @@
* smc911x_eeprom . c - EEPROM interface to SMC911x parts .
* Only tested on SMSC9118 though . . .
*
* Copyright 2004 - 2008 Analog Devices Inc .
* Copyright 2004 - 2009 Analog Devices Inc .
*
* Licensed under the GPL - 2 or later .
*
@ -17,8 +17,12 @@
# include <common.h>
# include <exports.h>
# ifdef CONFIG_DRIVER_SMC911X
/* the smc911x.h gets base addr through eth_device' iobase */
struct eth_device {
const char * name ;
unsigned long iobase ;
void * priv ;
} ;
# include "../drivers/net/smc911x.h"
/**
@ -55,32 +59,32 @@ static void usage(void)
* Registers 0x00 - 0x50 are FIFOs . The 0x50 + are the control registers
* and they ' re all 32 bits long . 0xB8 + are reserved , so don ' t bother .
*/
static void dump_regs ( vo id )
static void dump_regs ( struct eth_de vice * dev )
{
u8 i , j = 0 ;
for ( i = 0x50 ; i < 0xB8 ; i + = sizeof ( u32 ) )
printf ( " %02x: 0x%08x %c " , i ,
smc911x_reg_read ( CONFIG_DRIVER_SMC911X_BASE + i ) ,
smc911x_reg_read ( dev , i ) ,
( j + + % 2 ? ' \n ' : ' ' ) ) ;
}
/**
* do_eeprom_cmd - handle eeprom communication
*/
static int do_eeprom_cmd ( int cmd , u8 reg )
static int do_eeprom_cmd ( struct eth_device * dev , int cmd , u8 reg )
{
if ( smc911x_reg_read ( E2P_CMD ) & E2P_CMD_EPC_BUSY ) {
if ( smc911x_reg_read ( dev , E2P_CMD ) & E2P_CMD_EPC_BUSY ) {
printf ( " eeprom_cmd: busy at start (E2P_CMD = 0x%08x) \n " ,
smc911x_reg_read ( E2P_CMD ) ) ;
smc911x_reg_read ( dev , E2P_CMD ) ) ;
return - 1 ;
}
smc911x_reg_write ( E2P_CMD , E2P_CMD_EPC_BUSY | cmd | reg ) ;
smc911x_reg_write ( dev , E2P_CMD , E2P_CMD_EPC_BUSY | cmd | reg ) ;
while ( smc911x_reg_read ( E2P_CMD ) & E2P_CMD_EPC_BUSY )
while ( smc911x_reg_read ( dev , E2P_CMD ) & E2P_CMD_EPC_BUSY )
if ( smsc_ctrlc ( ) ) {
printf ( " eeprom_cmd: timeout (E2P_CMD = 0x%08x) \n " ,
smc911x_reg_read ( E2P_CMD ) ) ;
smc911x_reg_read ( dev , E2P_CMD ) ) ;
return - 1 ;
}
@ -90,37 +94,37 @@ static int do_eeprom_cmd(int cmd, u8 reg)
/**
* read_eeprom_reg - read specified register in EEPROM
*/
static u8 read_eeprom_reg ( u8 reg )
static u8 read_eeprom_reg ( struct eth_device * dev , u8 reg )
{
int ret = do_eeprom_cmd ( E2P_CMD_EPC_CMD_READ , reg ) ;
return ( ret ? : smc911x_reg_read ( E2P_DATA ) ) ;
int ret = do_eeprom_cmd ( dev , E2P_CMD_EPC_CMD_READ , reg ) ;
return ( ret ? : smc911x_reg_read ( dev , E2P_DATA ) ) ;
}
/**
* write_eeprom_reg - write specified value into specified register in EEPROM
*/
static int write_eeprom_reg ( u8 value , u8 reg )
static int write_eeprom_reg ( struct eth_device * dev , u8 value , u8 reg )
{
int ret ;
/* enable erasing/writing */
ret = do_eeprom_cmd ( E2P_CMD_EPC_CMD_EWEN , reg ) ;
ret = do_eeprom_cmd ( dev , E2P_CMD_EPC_CMD_EWEN , reg ) ;
if ( ret )
goto done ;
/* erase the eeprom reg */
ret = do_eeprom_cmd ( E2P_CMD_EPC_CMD_ERASE , reg ) ;
ret = do_eeprom_cmd ( dev , E2P_CMD_EPC_CMD_ERASE , reg ) ;
if ( ret )
goto done ;
/* write the eeprom reg */
smc911x_reg_write ( E2P_DATA , value ) ;
ret = do_eeprom_cmd ( E2P_CMD_EPC_CMD_WRITE , reg ) ;
smc911x_reg_write ( dev , E2P_DATA , value ) ;
ret = do_eeprom_cmd ( dev , E2P_CMD_EPC_CMD_WRITE , reg ) ;
if ( ret )
goto done ;
/* disable erasing/writing */
ret = do_eeprom_cmd ( E2P_CMD_EPC_CMD_EWDS , reg ) ;
ret = do_eeprom_cmd ( dev , E2P_CMD_EPC_CMD_EWDS , reg ) ;
done :
return ret ;
@ -139,7 +143,7 @@ static char *skip_space(char *buf)
/**
* write_stuff - handle writing of MAC registers / eeprom
*/
static void write_stuff ( char * line )
static void write_stuff ( struct eth_device * dev , char * line )
{
char dest ;
char * endp ;
@ -182,39 +186,39 @@ static void write_stuff(char *line)
/* Finally, execute the command */
if ( dest = = ' E ' ) {
printf ( " Writing EEPROM register %02x with %02x \n " , reg , value ) ;
write_eeprom_reg ( value , reg ) ;
write_eeprom_reg ( dev , value , reg ) ;
} else {
printf ( " Writing MAC register %02x with %08x \n " , reg , value ) ;
smc911x_reg_write ( CONFIG_DRIVER_SMC911X_BASE + reg , value ) ;
smc911x_reg_write ( dev , reg , value ) ;
}
}
/**
* copy_from_eeprom - copy MAC address in eeprom to address registers
*/
static void copy_from_eeprom ( vo id )
static void copy_from_eeprom ( struct eth_de vice * dev )
{
ulong addrl =
read_eeprom_reg ( 0x01 ) |
read_eeprom_reg ( 0x02 ) < < 8 |
read_eeprom_reg ( 0x03 ) < < 16 |
read_eeprom_reg ( 0x04 ) < < 24 ;
read_eeprom_reg ( dev , 0x01 ) |
read_eeprom_reg ( dev , 0x02 ) < < 8 |
read_eeprom_reg ( dev , 0x03 ) < < 16 |
read_eeprom_reg ( dev , 0x04 ) < < 24 ;
ulong addrh =
read_eeprom_reg ( 0x05 ) |
read_eeprom_reg ( 0x06 ) < < 8 ;
smc911x_set_mac_csr ( ADDRL , addrl ) ;
smc911x_set_mac_csr ( ADDRH , addrh ) ;
read_eeprom_reg ( dev , 0x05 ) |
read_eeprom_reg ( dev , 0x06 ) < < 8 ;
smc911x_set_mac_csr ( dev , ADDRL , addrl ) ;
smc911x_set_mac_csr ( dev , ADDRH , addrh ) ;
puts ( " EEPROM contents copied to MAC \n " ) ;
}
/**
* print_macaddr - print MAC address registers and MAC address in eeprom
*/
static void print_macaddr ( vo id )
static void print_macaddr ( struct eth_de vice * dev )
{
puts ( " Current MAC Address in MAC: " ) ;
ulong addrl = smc911x_get_mac_csr ( ADDRL ) ;
ulong addrh = smc911x_get_mac_csr ( ADDRH ) ;
ulong addrl = smc911x_get_mac_csr ( dev , ADDRL ) ;
ulong addrh = smc911x_get_mac_csr ( dev , ADDRH ) ;
printf ( " %02x:%02x:%02x:%02x:%02x:%02x \n " ,
( u8 ) ( addrl ) , ( u8 ) ( addrl > > 8 ) , ( u8 ) ( addrl > > 16 ) ,
( u8 ) ( addrl > > 24 ) , ( u8 ) ( addrh ) , ( u8 ) ( addrh > > 8 ) ) ;
@ -222,41 +226,42 @@ static void print_macaddr(void)
puts ( " Current MAC Address in EEPROM: " ) ;
int i ;
for ( i = 1 ; i < 6 ; + + i )
printf ( " %02x: " , read_eeprom_reg ( i ) ) ;
printf ( " %02x \n " , read_eeprom_reg ( i ) ) ;
printf ( " %02x: " , read_eeprom_reg ( dev , i ) ) ;
printf ( " %02x \n " , read_eeprom_reg ( dev , i ) ) ;
}
/**
* dump_eeprom - dump the whole content of the EEPROM
*/
static void dump_eeprom ( vo id )
static void dump_eeprom ( struct eth_de vice * dev )
{
int i ;
puts ( " EEPROM: \n " ) ;
for ( i = 0 ; i < 7 ; + + i )
printf ( " %02x: 0x%02x \n " , i , read_eeprom_reg ( i ) ) ;
printf ( " %02x: 0x%02x \n " , i , read_eeprom_reg ( dev , i ) ) ;
}
/**
* smc911x_init - get the MAC / EEPROM up and ready for use
*/
static int smc911x_init ( vo id )
static int smc911x_init ( struct eth_de vice * dev )
{
/* See if there is anything there */
if ( ! smc911x_detect_chip ( ) )
if ( ! smc911x_detect_chip ( dev ) )
return 1 ;
smc911x_reset ( ) ;
smc911x_reset ( dev ) ;
/* Make sure we set EEDIO/EECLK to the EEPROM */
if ( smc911x_reg_read ( GPIO_CFG ) & GPIO_CFG_EEPR_EN ) {
while ( smc911x_reg_read ( E2P_CMD ) & E2P_CMD_EPC_BUSY )
if ( smc911x_reg_read ( dev , GPIO_CFG ) & GPIO_CFG_EEPR_EN ) {
while ( smc911x_reg_read ( dev , E2P_CMD ) & E2P_CMD_EPC_BUSY )
if ( smsc_ctrlc ( ) ) {
printf ( " init: timeout (E2P_CMD = 0x%08x) \n " ,
smc911x_reg_read ( E2P_CMD ) ) ;
smc911x_reg_read ( dev , E2P_CMD ) ) ;
return 1 ;
}
smc911x_reg_write ( GPIO_CFG , smc911x_reg_read ( GPIO_CFG ) & ~ GPIO_CFG_EEPR_EN ) ;
smc911x_reg_write ( dev , GPIO_CFG ,
smc911x_reg_read ( dev , GPIO_CFG ) & ~ GPIO_CFG_EEPR_EN ) ;
}
return 0 ;
@ -317,6 +322,11 @@ static char *getline(void)
*/
int smc911x_eeprom ( int argc , char * argv [ ] )
{
/* Avoid initializing on stack as gcc likes to call memset() */
struct eth_device dev ;
dev . name = __func__ ;
dev . iobase = CONFIG_SMC911X_BASE ;
/* Print the ABI version */
app_startup ( argv ) ;
if ( XF_VERSION ! = get_version ( ) ) {
@ -328,7 +338,7 @@ int smc911x_eeprom(int argc, char *argv[])
/* Initialize the MAC/EEPROM somewhat */
puts ( " \n " ) ;
if ( smc911x_init ( ) )
if ( smc911x_init ( & dev ) )
return 1 ;
/* Dump helpful usage information */
@ -360,11 +370,11 @@ int smc911x_eeprom(int argc, char *argv[])
/* Now parse the command */
switch ( line [ 0 ] ) {
case ' W ' : write_stuff ( line ) ; break ;
case ' D ' : dump_eeprom ( ) ; break ;
case ' M ' : dump_regs ( ) ; break ;
case ' C ' : copy_from_eeprom ( ) ; break ;
case ' P ' : print_macaddr ( ) ; break ;
case ' W ' : write_stuff ( & dev , line ) ; break ;
case ' D ' : dump_eeprom ( & dev ) ; break ;
case ' M ' : dump_regs ( & dev ) ; break ;
case ' C ' : copy_from_eeprom ( & dev ) ; break ;
case ' P ' : print_macaddr ( & dev ) ; break ;
unknown_cmd :
default : puts ( " ERROR: Unknown command! \n \n " ) ;
case ' ? ' :
@ -373,11 +383,3 @@ int smc911x_eeprom(int argc, char *argv[])
}
}
}
# else
int smc911x_eeprom ( int argc , char * argv [ ] )
{
puts ( " Not supported for this board \n " ) ;
return 1 ;
}
# endif