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hwmon: (coretemp) Add support for Atom D2000 and N2000 series CPU models

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commit 5592906f8b upstream.

Document the Atom series D2000 and N2000 (Cedar Trail) as being supported.
List and set TjMax for those series.

Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: "R, Durgadoss" <durgadoss.r@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Qiang Huang <h.huangqiang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Guenter Roeck 2012-06-17 18:05:05 +02:00 committed by Greg Kroah-Hartman
parent b32e4b1ae1
commit 2a3c503897
2 changed files with 7 additions and 1 deletions
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5
Documentation/hwmon/coretemp
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@ -7,7 +7,8 @@ Supported chips:
CPUID: family 0x6, models 0xe (Pentium M DC), 0xf (Core 2 DC 65nm),
0x16 (Core 2 SC 65nm), 0x17 (Penryn 45nm),
0x1a (Nehalem), 0x1c (Atom), 0x1e (Lynnfield),
0x26 (Tunnel Creek Atom), 0x27 (Medfield Atom)
0x26 (Tunnel Creek Atom), 0x27 (Medfield Atom),
0x36 (Cedar Trail Atom)
Datasheet: Intel 64 and IA-32 Architectures Software Developer's Manual
Volume 3A: System Programming Guide
http://softwarecommunity.intel.com/Wiki/Mobility/720.htm
@ -68,6 +69,8 @@ Process Processor TjMax(C)
32nm Atom Processors
Z2460 90
D2700/2550/2500 100
N2850/2800/2650/2600 100
45nm Xeon Processors 5400 Quad-Core
X5492, X5482, X5472, X5470, X5460, X5450 85

3
drivers/hwmon/coretemp.c
View file

@ -224,6 +224,9 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id,
tjmax = 90000;
pci_dev_put(host_bridge);
} else if (c->x86_model == 0x36) {
usemsr_ee = 0;
tjmax = 100000;
}
if (c->x86_model > 0xe && usemsr_ee) {