diff options
| -rw-r--r-- | drivers/net/dm9000x.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/dm9000x.c b/drivers/net/dm9000x.c index 05d07f3..c6c24dd 100644 --- a/drivers/net/dm9000x.c +++ b/drivers/net/dm9000x.c @@ -42,6 +42,9 @@ v1.2 03/18/2003 Weilun Huang <weilun_huang@davicom.com.tw>: 06/03/2008 Remy Bohmer <linux@bohmer.net> - Added autodetect of databus width. - Made debug code compile again. + - Adapt eth_send such that it matches the DM9000* + application notes. Needed to make it work properly + for DM9000A. These changes are tested with DM9000{A,EP,E} together with a 200MHz Atmel AT91SAM92161 core @@ -505,15 +508,16 @@ int eth_send(volatile void *packet, int length) { char *data_ptr; - u32 tmplen, i; int tmo; struct board_info *db = &dm9000_info; DM9000_DMP_PACKET("eth_send", packet, length); + DM9000_iow(DM9000_ISR, IMR_PTM); /* Clear Tx bit in ISR */ + /* Move data to DM9000 TX RAM */ data_ptr = (char *) packet; - DM9000_outb(DM9000_MWCMD, DM9000_IO); + DM9000_outb(DM9000_MWCMD, DM9000_IO); /* Prepare for TX-data */ /* push the data to the TX-fifo */ (db->outblk)(data_ptr, length); @@ -523,16 +527,19 @@ eth_send(volatile void *packet, int length) DM9000_iow(DM9000_TXPLH, (length >> 8) & 0xff); /* Issue TX polling command */ - DM9000_iow(DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */ + DM9000_iow(DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */ /* wait for end of transmission */ tmo = get_timer(0) + 5 * CFG_HZ; - while (DM9000_ior(DM9000_TCR) & TCR_TXREQ) { + while ( !(DM9000_ior(DM9000_NSR) & (NSR_TX1END | NSR_TX2END)) || + !(DM9000_ior(DM9000_ISR) & IMR_PTM) ) { if (get_timer(0) >= tmo) { printf("transmission timeout\n"); break; } } + DM9000_iow(DM9000_ISR, IMR_PTM); /* Clear Tx bit in ISR */ + DM9000_DBG("transmit done\n\n"); return 0; } |