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hpt366: disallow Ultra133 for HPT374 

Eliminate UltraATA/133 support for HPT374 -- the chip isn't capable of this mode
according to the manual, and doesn't even seem to tolerate 66 MHz DPLL clock...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Geller Sandor <wildy@petra.hos.u-szeged.hu>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
hifive-unleashed-5.1
Sergei Shtylyov 2007-06-08 15:14:32 +02:00 committed by Bartlomiej Zolnierkiewicz
parent ea30759643
commit 278978e953
1 changed files with 4 additions and 4 deletions
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8
drivers/ide/pci/hpt366.c
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@ -1,5 +1,5 @@
/*
* linux/drivers/ide/pci/hpt366.c Version 1.03 May 4, 2007
* linux/drivers/ide/pci/hpt366.c Version 1.04 Jun 4, 2007
*
* Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org>
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
@ -106,7 +106,8 @@
* switch to calculating PCI clock frequency based on the chip's base DPLL
* frequency
* - switch to using the DPLL clock and enable UltraATA/133 mode by default on
* anything newer than HPT370/A
* anything newer than HPT370/A (except HPT374 that is not capable of this
* mode according to the manual)
* - fold PCI clock detection and DPLL setup code into init_chipset_hpt366(),
* also fixing the interchanged 25/40 MHz PCI clock cases for HPT36x chips;
* unify HPT36x/37x timing setup code and the speedproc handlers by joining
@ -365,7 +366,6 @@ static u32 sixty_six_base_hpt37x[] = {
};
#define HPT366_DEBUG_DRIVE_INFO 0
#define HPT374_ALLOW_ATA133_6 1
#define HPT371_ALLOW_ATA133_6 1
#define HPT302_ALLOW_ATA133_6 1
#define HPT372_ALLOW_ATA133_6 1
@ -450,7 +450,7 @@ static struct hpt_info hpt370a __devinitdata = {
static struct hpt_info hpt374 __devinitdata = {
.chip_type = HPT374,
.max_mode = HPT374_ALLOW_ATA133_6 ? 4 : 3,
.max_mode = 3,
.dpll_clk = 48,
.settings = hpt37x_settings
};