Source-Changes-HG archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
[src/trunk]: src/sys/dev/ic - Support 64-bit DMA addresses for the Tx and Rx ...
details: https://anonhg.NetBSD.org/src/rev/f4b28a1e7b4d
branches: trunk
changeset: 969770:f4b28a1e7b4d
user: thorpej <thorpej%NetBSD.org@localhost>
date: Sun Mar 01 05:50:56 2020 +0000
description:
- Support 64-bit DMA addresses for the Tx and Rx ring addresses.
- g/c and unused define.
diffstat:
sys/dev/ic/gem.c | 15 ++++++++-------
sys/dev/ic/gemvar.h | 4 +---
2 files changed, 9 insertions(+), 10 deletions(-)
diffs (63 lines):
diff -r 8f79efdbaee9 -r f4b28a1e7b4d sys/dev/ic/gem.c
--- a/sys/dev/ic/gem.c Sun Mar 01 05:39:05 2020 +0000
+++ b/sys/dev/ic/gem.c Sun Mar 01 05:50:56 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: gem.c,v 1.128 2020/02/07 00:56:48 thorpej Exp $ */
+/* $NetBSD: gem.c,v 1.129 2020/03/01 05:50:56 thorpej Exp $ */
/*
*
@@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gem.c,v 1.128 2020/02/07 00:56:48 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gem.c,v 1.129 2020/03/01 05:50:56 thorpej Exp $");
#include "opt_inet.h"
@@ -815,8 +815,8 @@
GEM_CDSYNC(sc, BUS_DMASYNC_PREREAD);
/* Reprogram Descriptor Ring Base Addresses */
- /* NOTE: we use only 32-bit DMA addresses here. */
- bus_space_write_4(t, h, GEM_RX_RING_PTR_HI, 0);
+ bus_space_write_4(t, h, GEM_RX_RING_PTR_HI,
+ ((uint64_t)GEM_CDRXADDR(sc, 0)) >> 32);
bus_space_write_4(t, h, GEM_RX_RING_PTR_LO, GEM_CDRXADDR(sc, 0));
/* Redo ERX Configuration */
@@ -1171,11 +1171,12 @@
gem_setladrf(sc);
/* step 6 & 7. Program Descriptor Ring Base Addresses */
- /* NOTE: we use only 32-bit DMA addresses here. */
- bus_space_write_4(t, h, GEM_TX_RING_PTR_HI, 0);
+ bus_space_write_4(t, h, GEM_TX_RING_PTR_HI,
+ ((uint64_t)GEM_CDTXADDR(sc, 0)) >> 32);
bus_space_write_4(t, h, GEM_TX_RING_PTR_LO, GEM_CDTXADDR(sc, 0));
- bus_space_write_4(t, h, GEM_RX_RING_PTR_HI, 0);
+ bus_space_write_4(t, h, GEM_RX_RING_PTR_HI,
+ ((uint64_t)GEM_CDRXADDR(sc, 0)) >> 32);
bus_space_write_4(t, h, GEM_RX_RING_PTR_LO, GEM_CDRXADDR(sc, 0));
/* step 8. Global Configuration & Interrupt Mask */
diff -r 8f79efdbaee9 -r f4b28a1e7b4d sys/dev/ic/gemvar.h
--- a/sys/dev/ic/gemvar.h Sun Mar 01 05:39:05 2020 +0000
+++ b/sys/dev/ic/gemvar.h Sun Mar 01 05:50:56 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: gemvar.h,v 1.26 2019/09/13 07:55:06 msaitoh Exp $ */
+/* $NetBSD: gemvar.h,v 1.27 2020/03/01 05:50:56 thorpej Exp $ */
/*
*
@@ -246,8 +246,6 @@
#define GEM_CDTXADDR(sc, x) ((sc)->sc_cddma + GEM_CDTXOFF((x)))
#define GEM_CDRXADDR(sc, x) ((sc)->sc_cddma + GEM_CDRXOFF((x)))
-#define GEM_CDADDR(sc) ((sc)->sc_cddma + GEM_CDOFF)
-
#define GEM_CDTXSYNC(sc, x, n, ops) \
do { \
int __x, __n; \
Home |
Main Index |
Thread Index |
Old Index