diff options
| author | Jason Wright <jason@cvs.openbsd.org> | 1998-07-22 17:27:16 +0000 |
|---|---|---|
| committer | Jason Wright <jason@cvs.openbsd.org> | 1998-07-22 17:27:16 +0000 |
| commit | 0a2aa220d1dfef6dc5a4a45e698f97a2c2cd1e3c (patch) | |
| tree | 4feff3344470dbb752aa35526329072570592f32 /sys | |
| parent | 326d82c0eca41e6fd0ef72c157222b003b8ec63a (diff) | |
o Simplify address calculations
o Set desc.tx_addr in meminit not in start
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/sparc/dev/stp2002base.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/sys/arch/sparc/dev/stp2002base.c b/sys/arch/sparc/dev/stp2002base.c index eb8524f5252..5921d4629f4 100644 --- a/sys/arch/sparc/dev/stp2002base.c +++ b/sys/arch/sparc/dev/stp2002base.c @@ -1,4 +1,4 @@ -/* $OpenBSD: stp2002base.c,v 1.1 1998/07/17 21:33:11 jason Exp $ */ +/* $OpenBSD: stp2002base.c,v 1.2 1998/07/22 17:27:15 jason Exp $ */ /* * Copyright (c) 1998 Jason L. Wright (jason@thought.net) @@ -93,24 +93,24 @@ stp2002_meminit(stp) M_NOWAIT); /* XXX must be aligned on 64 byte boundary */ - stp->stp_rx_dvma = (u_long) stp->stp_desc_dva + - (((u_long) &stp->stp_desc->stp_rxd[0]) - ((u_long)stp->stp_desc)); - stp->stp_tx_dvma = (u_long) stp->stp_desc_dva + - (((u_long) &stp->stp_desc->stp_txd[0]) - ((u_long)stp->stp_desc)); + stp->stp_rx_dvma = (u_int32_t)&stp->stp_desc_dva->stp_rxd[0]; + stp->stp_tx_dvma = (u_int32_t)&stp->stp_desc_dva->stp_txd[0]; desc = stp->stp_desc; /* setup tx descriptors */ stp->stp_first_td = stp->stp_last_td = stp->stp_no_td = 0; - for (i = 0; i < STP_TX_RING_SIZE; i++) + for (i = 0; i < STP_TX_RING_SIZE; i++) { + stp->stp_desc->stp_txd[i].tx_addr = + (u_int32_t) &stp->stp_bufs_dva->tx_buf[i][0]; desc->stp_txd[i].tx_flags = 0; + } /* setup rx descriptors */ stp->stp_last_rd = 0; for (i = 0; i < STP_RX_RING_SIZE; i++) { - desc->stp_rxd[i].rx_addr = (u_long) stp->stp_bufs_dva + - (((u_long) &(stp->stp_bufs->rx_buf[i])) - - ((u_long) stp->stp_bufs)); + desc->stp_rxd[i].rx_addr = + (u_int32_t) &stp->stp_bufs_dva->rx_buf[i][0]; desc->stp_rxd[i].rx_flags = STP_RXFLAG_OWN | ((STP_RX_PKT_BUF_SZ - STP_RX_OFFSET) << 16); @@ -320,9 +320,6 @@ stp2002_start(stp) /* * Initialize transmit registers and start transmission */ - stp->stp_desc->stp_txd[bix].tx_addr = (u_long) stp->stp_bufs_dva + - (((u_long) &(stp->stp_bufs->tx_buf[bix])) - - ((u_long) stp->stp_bufs)); stp->stp_desc->stp_txd[bix].tx_flags = STP_TXFLAG_OWN | STP_TXFLAG_SOP | STP_TXFLAG_EOP | (len & STP_TXFLAG_SIZE); |