[src/trunk]: src/sys/arch/macppc/dev tweak timings

[dbj <dbj%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/634de9768f83
branches:  trunk
changeset: 520383:634de9768f83
user:      dbj <dbj%NetBSD.org@localhost>
date:      Wed Jan 09 05:23:07 2002 +0000

description:
tweak timings

diffstat:

 sys/arch/macppc/dev/wdc_obio.c |  28 ++++++++++++++--------------
 1 files changed, 14 insertions(+), 14 deletions(-)

diffs (47 lines):

diff -r 4a9d4caf7d11 -r 634de9768f83 sys/arch/macppc/dev/wdc_obio.c
--- a/sys/arch/macppc/dev/wdc_obio.c    Wed Jan 09 05:02:44 2002 +0000
+++ b/sys/arch/macppc/dev/wdc_obio.c    Wed Jan 09 05:23:07 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: wdc_obio.c,v 1.18 2002/01/07 22:11:19 dbj Exp $        */
+/*     $NetBSD: wdc_obio.c,v 1.19 2002/01/09 05:23:07 dbj Exp $        */
 
 /*-
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -235,24 +235,24 @@
        int active;     /* minimum command active time [ns] */
 };
 static struct ide_timings pio_timing[5] = {
-       { 600, 165 },    /* Mode 0 */
-       { 383, 125 },    /*      1 */
-       { 240, 100 },    /*      2 */
-       { 180,  80 },    /*      3 */
-       { 120,  70 }     /*      4 */
+       { 600, 180 },    /* Mode 0 */
+       { 390, 150 },    /*      1 */
+       { 240, 105 },    /*      2 */
+       { 180,  90 },    /*      3 */
+       { 120,  75 }     /*      4 */
 };
 static struct ide_timings dma_timing[3] = {
-       { 480, 215 },   /* Mode 0 */
-       { 150,  80 },   /* Mode 1 */
-       { 120,  70 },   /* Mode 2 */
+       { 480, 240 },   /* Mode 0 */
+       { 165,  90 },   /* Mode 1 */
+       { 120,  75 }    /* Mode 2 */
 };
 
 static struct ide_timings udma_timing[5] = {
-       {114,   0},     /* Mode 0 */
-       { 75,   0},     /* Mode 1 */
-       { 55,   0},     /* Mode 2 */
-       { 45, 100},     /* Mode 3 */
-       { 25, 100}      /* Mode 4 */
+       {120, 180},     /* Mode 0 */
+       { 90, 150},     /* Mode 1 */
+       { 60, 120},     /* Mode 2 */
+       { 45, 90},      /* Mode 3 */
+       { 30, 90}       /* Mode 4 */
 };
 
 #define TIME_TO_TICK(time) howmany((time), 30)