diff options
Diffstat (limited to 'drivers/smc91111.c')
| -rw-r--r-- | drivers/smc91111.c | 74 |
1 files changed, 37 insertions, 37 deletions
diff --git a/drivers/smc91111.c b/drivers/smc91111.c index 486c11c..45bc248 100644 --- a/drivers/smc91111.c +++ b/drivers/smc91111.c @@ -7,7 +7,7 @@ . Rolf Offermanns <rof@sysgo.de> . . Copyright (C) 2001 Standard Microsystems Corporation (SMSC) - . Developed by Simple Network Magic Corporation (SNMC) + . 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 @@ -17,12 +17,12 @@ . . 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 + . 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 + . 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 @@ -36,27 +36,27 @@ . EEPROM interface for configuration . . Arguments: - . io = for the base address + . io = for the base address . irq = for the IRQ . . author: - . Erik Stahlman ( erik@vt.edu ) - . Daris A Nevil ( dnevil@snmc.com ) + . Erik Stahlman ( erik@vt.edu ) + . Daris A Nevil ( dnevil@snmc.com ) . . . Hardware multicast code from Peter Cammaert ( pc@denkart.be ) . . Sources: - . o SMSC LAN91C111 databook (www.smsc.com) - . o smc9194.c by Erik Stahlman - . o skeleton.c by Donald Becker ( becker@cesdis.gsfc.nasa.gov ) + . o SMSC LAN91C111 databook (www.smsc.com) + . o smc9194.c by Erik Stahlman + . 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 - . 03/16/01 Daris A Nevil Modified smc9194.c for use with LAN91C111 + . 07/25/01 Woojung Huh Modify for ADS Bitsy + . 04/25/01 Daris A Nevil Initial public release through SMSC + . 03/16/01 Daris A Nevil Modified smc9194.c for use with LAN91C111 ----------------------------------------------------------------------------*/ #include <common.h> @@ -113,7 +113,7 @@ static const char version[] = /*------------------------------------------------------------------------ . - . The internal workings of the driver. If you are changing anything + . The internal workings of the driver. If you are changing anything . here with the SMC stuff, you should have the datasheet and know . what you are doing. . @@ -138,7 +138,7 @@ static const char version[] = #define ETH_ZLEN 60 -#ifdef CONFIG_SMC_USE_32_BIT +#ifdef CONFIG_SMC_USE_32_BIT #define USE_32_BIT 1 #else #undef USE_32_BIT @@ -253,7 +253,7 @@ void smc_get_macaddr( byte *addr ) { #endif /* 0 */ /*********************************************** - * Show available memory * + * Show available memory * ***********************************************/ void dump_memory_info(void) { @@ -337,8 +337,8 @@ static inline void smc_wait_mmu_release_complete (void) /* . Function: smc_reset( void ) . Purpose: - . This sets the SMC91111 chip to its normal state, hopefully from whatever - . mess that any other DOS driver has put it in. + . This sets the SMC91111 chip to its normal state, hopefully from whatever + . mess that any other DOS driver has put it in. . . Maybe I should reset more registers to defaults in here? SOFTRST should . do that for me. @@ -436,7 +436,7 @@ static void smc_enable() . (1) maybe utilize power down mode. . Why not yet? Because while the chip will go into power down mode, . 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. + . in the register space. Empirical results do not show this working. */ static void smc_shutdown() { @@ -459,7 +459,7 @@ static void smc_shutdown() . This sends the actual packet to the SMC9xxx chip. . . Algorithm: - . First, see if a saved_skb is available. + . First, see if a saved_skb is available. . ( this should NOT be called if there is no 'saved_skb' . Now, find the packet number that the chip allocated . Point the data pointers at it in memory @@ -467,9 +467,9 @@ static void smc_shutdown() . Dump the packet to chip memory . Check if a last byte is needed ( odd length packet ) . if so, set the control flag right - . Tell the card to send it + . Tell the card to send it . Enable the transmit interrupt, so I know if it failed - . Free the kernel data if I actually sent it. + . Free the kernel data if I actually sent it. */ static int smc_send_packet (volatile void *packet, int packet_length) { @@ -512,9 +512,9 @@ static int smc_send_packet (volatile void *packet, int packet_length) SMC_outw (MC_ALLOC | numPages, MMU_CMD_REG); /* FIXME: the ALLOC_INT bit never gets set * - * so the following will always give a * - * memory allocation error. * - * same code works in armboot though * + * so the following will always give a * + * memory allocation error. * + * same code works in armboot though * * -ro */ @@ -583,7 +583,7 @@ 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 + . 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? */ @@ -596,7 +596,7 @@ again: SMC_outsw (SMC91111_DATA_REG, buf, (length) >> 1); #endif /* USE_32_BIT */ - /* Send the last byte, if there is one. */ + /* Send the last byte, if there is one. */ if ((length & 1) == 0) { SMC_outw (0, SMC91111_DATA_REG); } else { @@ -690,7 +690,7 @@ static int smc_open (bd_t * bd) 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 */ + 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 @@ -723,10 +723,10 @@ static int smc_open (bd_t * bd) */ static int smc_rcv() { - int packet_number; + int packet_number; word status; word packet_length; - int is_error = 0; + int is_error = 0; #ifdef USE_32_BIT dword stat_len; #endif @@ -749,8 +749,8 @@ static int smc_rcv() 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( SMC91111_DATA_REG ); + packet_length = SMC_inw( SMC91111_DATA_REG ); #endif packet_length &= 0x07ff; /* mask off top bits */ @@ -773,7 +773,7 @@ static int smc_rcv() /* 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 */ + performance */ SMC_insl( SMC91111_DATA_REG , NetRxPackets[0], packet_length >> 2 ); /* read the left over bytes */ if (packet_length & 3) { @@ -825,7 +825,7 @@ static int smc_rcv() . smc_close . . this makes the board clean up everything that it can - . and not talk to the outside world. Caused by + . and not talk to the outside world. Caused by . an 'ifconfig ethX down' . -----------------------------------------------------*/ @@ -1380,7 +1380,7 @@ int smc_get_ethaddr (bd_t * bd) s = s_env_mac; } - for (reg = 0; reg < 6; ++reg) { /* turn string into mac value */ + 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; @@ -1403,7 +1403,7 @@ int smc_get_ethaddr (bd_t * bd) 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 (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: " @@ -1422,7 +1422,7 @@ int smc_get_ethaddr (bd_t * bd) 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 */ 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]); + v_mac[2], v_mac[3], v_mac[4], v_mac[5]); return (0); } |