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path: root/drivers/smc91111.c
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Diffstat (limited to 'drivers/smc91111.c')
-rw-r--r--drivers/smc91111.c227
1 files changed, 109 insertions, 118 deletions
diff --git a/drivers/smc91111.c b/drivers/smc91111.c
index f29a8a4..9bee025 100644
--- a/drivers/smc91111.c
+++ b/drivers/smc91111.c
@@ -52,7 +52,7 @@
. o skeleton.c by Donald Becker ( becker@cesdis.gsfc.nasa.gov )
.
. History:
- . 06/19/03 Richard Woodruff Made u-boot environment aware and added mac addr checks.
+ . 06/19/03 Richard Woodruff Made u-boot environment aware and added mac addr checks.
. 10/17/01 Marco Hasewinkel Modify for DNP/1110
. 07/25/01 Woojung Huh Modify for ADS Bitsy
. 04/25/01 Daris A Nevil Initial public release through SMSC
@@ -153,9 +153,6 @@ extern int eth_rx(void);
extern int eth_send(volatile void *packet, int length);
-
-
-
/*
. This is called by register_netdev(). It is responsible for
. checking the portlist for the SMC9000 series chipset. If it finds
@@ -201,7 +198,7 @@ static void smc_phy_configure(void);
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.
+ . 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);
@@ -238,18 +235,18 @@ void smc_set_mac_addr(const char *addr) {
#if 0
void smc_get_macaddr( byte *addr ) {
/* MAC ADDRESS AT FLASHBLOCK 1 / OFFSET 0x10 */
- unsigned char *dnp1110_mac = (unsigned char *) (0xE8000000 + 0x20010);
+ 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);
- }
+ 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 */
@@ -258,16 +255,16 @@ void smc_get_macaddr( byte *addr ) {
***********************************************/
void dump_memory_info(void)
{
- word mem_info;
- word old_bank;
+ word mem_info;
+ word old_bank;
- old_bank = SMC_inw(BANK_SELECT)&0xF;
+ 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(0);
+ mem_info = SMC_inw( MIR_REG );
+ PRINTK2("Memory: %4d available\n", (mem_info >> 8)*2048);
- SMC_SELECT_BANK(old_bank);
+ SMC_SELECT_BANK(old_bank);
}
/*
. A rather simple routine to print out a packet for debugging purposes.
@@ -279,7 +276,6 @@ static void print_packet( byte *, int );
#define tx_done(dev) 1
-
/* this does a soft reset on the device */
static void smc_reset( void );
@@ -308,9 +304,9 @@ static int poll4int( byte mask, int timeout ) {
SMC_SELECT_BANK(2);
while((SMC_inw(SMC91111_INT_REG) & mask) == 0)
{
- if (get_timer(0) >= tmo) {
+ if (get_timer(0) >= tmo) {
is_timeout = 1;
- break;
+ break;
}
}
@@ -329,7 +325,7 @@ static inline void smc_wait_mmu_release_complete(void)
int count = 0;
/* assume bank 2 selected */
while ( SMC_inw(MMU_CMD_REG) & MC_BUSY ) {
- udelay(1); // Wait until not busy
+ udelay(1); /* Wait until not busy */
if( ++count > 200) break;
}
}
@@ -398,7 +394,7 @@ static void smc_reset( void )
/* Note: It doesn't seem that waiting for the MMU busy is needed here,
but this is a place where future chipsets _COULD_ break. Be wary
- of issuing another MMU command right after this */
+ of issuing another MMU command right after this */
/* Disable all interrupts */
SMC_outb( 0, IM_REG );
@@ -526,11 +522,11 @@ again:
if ( status & IM_ALLOC_INT ) {
/* acknowledge the interrupt */
SMC_outb( IM_ALLOC_INT, SMC91111_INT_REG );
- break;
+ break;
}
- } while ( -- time_out );
+ } while ( -- time_out );
- if ( !time_out ) {
+ if ( !time_out ) {
PRINTK2("%s: memory allocation, try %d failed ...\n",
SMC_DEV_NAME, try);
if (try < SMC_ALLOC_MAX_TRY)
@@ -564,7 +560,7 @@ again:
/* point to the beginning of the packet */
SMC_outw( PTR_AUTOINC , PTR_REG );
- PRINTK3("%s: Trying to xmit packet of length %x\n",
+ PRINTK3("%s: Trying to xmit packet of length %x\n",
SMC_DEV_NAME, length);
#if SMC_DEBUG > 2
@@ -573,7 +569,7 @@ again:
#endif
/* send the packet length ( +6 for status, length and ctl byte )
- and the status word ( set to zeros ) */
+ and the status word ( set to zeros ) */
#ifdef USE_32_BIT
SMC_outl( (length +6 ) << 16 , SMC91111_DATA_REG );
#else
@@ -585,8 +581,8 @@ again:
/* send the actual data
. I _think_ it's faster to send the longs first, and then
. mop up by sending the last word. It depends heavily
- . on alignment, at least on the 486. Maybe it would be
- . a good idea to check which is optimal? But that could take
+ . on alignment, at least on the 486. Maybe it would be
+ . a good idea to check which is optimal? But that could take
. almost as much time as is saved?
*/
#ifdef USE_32_BIT
@@ -614,15 +610,15 @@ again:
SMC_DEV_NAME);
/* release packet */
- SMC_outw(MC_FREEPKT, MMU_CMD_REG);
+ SMC_outw(MC_FREEPKT, MMU_CMD_REG);
- /* wait for MMU getting ready (low) */
- while (SMC_inw(MMU_CMD_REG) & MC_BUSY)
- {
- udelay(10);
- }
+ /* wait for MMU getting ready (low) */
+ while (SMC_inw(MMU_CMD_REG) & MC_BUSY)
+ {
+ udelay(10);
+ }
- PRINTK2("MMU ready\n");
+ PRINTK2("MMU ready\n");
return 0;
@@ -632,15 +628,15 @@ again:
PRINTK2("%s: Sent packet of length %d \n", SMC_DEV_NAME, length);
/* release packet */
- SMC_outw(MC_FREEPKT, MMU_CMD_REG);
+ SMC_outw(MC_FREEPKT, MMU_CMD_REG);
- /* wait for MMU getting ready (low) */
- while (SMC_inw(MMU_CMD_REG) & MC_BUSY)
- {
- udelay(10);
- }
+ /* wait for MMU getting ready (low) */
+ while (SMC_inw(MMU_CMD_REG) & MC_BUSY)
+ {
+ udelay(10);
+ }
- PRINTK2("MMU ready\n");
+ PRINTK2("MMU ready\n");
}
@@ -690,11 +686,11 @@ static int smc_open(bd_t *bd)
/* 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 */
+ 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
@@ -783,7 +779,6 @@ static int smc_rcv()
packet_length -= 4; /*4; */
-
/* set odd length for bug in LAN91C111, */
/* which never sets RS_ODDFRAME */
/* TODO ? */
@@ -843,7 +838,6 @@ static int smc_rcv()
}
-
/*----------------------------------------------------
. smc_close
.
@@ -1203,7 +1197,6 @@ static void smc_write_phy_register(byte phyreg, word phydata)
#endif /* !CONFIG_SMC91111_EXT_PHY */
-
/*------------------------------------------------------------
. Waits the specified number of milliseconds - kernel friendly
.-------------------------------------------------------------*/
@@ -1215,7 +1208,6 @@ static void smc_wait_ms(unsigned int ms)
#endif /* !CONFIG_SMC91111_EXT_PHY */
-
/*------------------------------------------------------------
. Configures the specified PHY using Autonegotiation. Calls
. smc_phy_fixed() if the user has requested a certain config.
@@ -1233,7 +1225,6 @@ static void smc_phy_configure()
PRINTK3("%s:smc_program_phy()\n", SMC_DEV_NAME);
-
/* Get the detected phy address */
phyaddr = SMC_PHY_ADDR;
@@ -1358,36 +1349,36 @@ static void smc_phy_configure()
static void print_packet( byte * buf, int length )
{
#if 0
- int i;
- int remainder;
- int lines;
+ int i;
+ int remainder;
+ int lines;
- printf("Packet of length %d \n", length );
+ printf("Packet of length %d \n", length );
#if SMC_DEBUG > 3
- lines = length / 16;
- remainder = length % 16;
-
- for ( i = 0; i < lines ; i ++ ) {
- int cur;
-
- for ( cur = 0; cur < 8; cur ++ ) {
- byte a, b;
-
- a = *(buf ++ );
- b = *(buf ++ );
- printf("%02x%02x ", a, b );
- }
- printf("\n");
- }
- for ( i = 0; i < remainder/2 ; i++ ) {
- byte a, b;
-
- a = *(buf ++ );
- b = *(buf ++ );
- printf("%02x%02x ", a, b );
- }
- printf("\n");
+ lines = length / 16;
+ remainder = length % 16;
+
+ for ( i = 0; i < lines ; i ++ ) {
+ int cur;
+
+ for ( cur = 0; cur < 8; cur ++ ) {
+ byte a, b;
+
+ a = *(buf ++ );
+ b = *(buf ++ );
+ printf("%02x%02x ", a, b );
+ }
+ printf("\n");
+ }
+ for ( i = 0; i < remainder/2 ; i++ ) {
+ byte a, b;
+
+ a = *(buf ++ );
+ b = *(buf ++ );
+ printf("%02x%02x ", a, b );
+ }
+ printf("\n");
#endif
#endif
}
@@ -1413,45 +1404,45 @@ int smc_get_ethaddr(bd_t *bd)
{
int env_size, rom_valid, env_present = 0, reg;
char *s = NULL, *e, *v_mac, es[] = "11:22:33:44:55:66";
- uchar s_env_mac[64], v_env_mac[6], v_rom_mac[6];
+ uchar s_env_mac[64], v_env_mac[6], v_rom_mac[6];
- env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_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);
+ printf("\n*** ERROR: ethaddr is not set properly!!\n");
+ return(-1);
}
-
+
if(env_size > 0){
- env_present = 1;
- s = s_env_mac;
+ 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;
+ 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 */
-
+
+ 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);
- }
+ 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 */
-
+
if(env_present && rom_valid) /* if both env and ROM are good */
- if(memcmp(v_env_mac, v_rom_mac, 6) != 0){
- printf("\n*** Warning: Environment and ROM MAC addresses don't match\n");
- printf("*** Using Environment MAC\n");
- }
+ if(memcmp(v_env_mac, v_rom_mac, 6) != 0){
+ printf("\n*** Warning: Environment and ROM MAC addresses don't match\n");
+ printf("*** Using Environment MAC\n");
+ }
memcpy (bd->bi_enetaddr, v_mac, 6); /* update global address to match env (allows env changing) */
smc_set_mac_addr(v_mac); /* use old function to update smc default */
return(0);
@@ -1460,7 +1451,7 @@ int smc_get_ethaddr(bd_t *bd)
int get_rom_mac(char *v_rom_mac)
{
int is_rom_present = 0;
-#ifdef HARDCODE_MAC /* used for testing or to supress run time warnings */
+#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);
@@ -1468,12 +1459,12 @@ int get_rom_mac(char *v_rom_mac)
#else
if(is_rom_present)
{
- /* if eeprom contents are valid
- * extract mac address into hw_mac_addr, 8 or 16 bit accesses
- * memcpy (v_rom_mac, hc_mac_addr, 6);
- * return(1);
- */
- }
+ /* if eeprom contents are valid
+ * extract mac address into hw_mac_addr, 8 or 16 bit accesses
+ * memcpy (v_rom_mac, hc_mac_addr, 6);
+ * return(1);
+ */
+ }
memset(v_rom_mac, 0, 6);
return(0);
#endif
generated by cgit v1.1 at 2024-11-23 00:46:29 +0000