Commit 278978e9 authored by Sergei Shtylyov's avatar Sergei Shtylyov Committed by Bartlomiej Zolnierkiewicz

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: default avatarSergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Geller Sandor <wildy@petra.hos.u-szeged.hu>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent ea307596
/*
* 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
};
......
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