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authorJean Delvare <khali@linux-fr.org>2012-06-17 18:05:05 +0200
committerJean Delvare <khali@endymion.delvare>2012-06-17 18:05:05 +0200
commitfcc14ac1a86931f38da047cf8fb634c6db7b58bc (patch)
treeb406a4a86f41e17ded7634e86023145bc6106603
parentfb09185a88cad9c59e22e84f8c0594303595e9af (diff)
downloadlinux-fcc14ac1a86931f38da047cf8fb634c6db7b58bc.tar.bz2
hwmon: (coretemp) Improve support of recent Atom CPU models
Document the new Atom series (Tunnel Creek and Medfield) as being supported, and list TjMax for the Atom E600 series. Also enable the Atom tjmax heuristic for these Atom CPU models. Signed-off-by: Jean Delvare <khali@linux-fr.org> Reviewed-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Alexander Stein <alexander.stein@systec-electronic.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: "R, Durgadoss" <durgadoss.r@intel.com>
-rw-r--r--Documentation/hwmon/coretemp8
-rw-r--r--drivers/hwmon/coretemp.c3
2 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/hwmon/coretemp b/Documentation/hwmon/coretemp
index 84d46c0c71a3..f6aed440c3d7 100644
--- a/Documentation/hwmon/coretemp
+++ b/Documentation/hwmon/coretemp
@@ -6,7 +6,8 @@ Supported chips:
Prefix: 'coretemp'
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)
+ 0x1a (Nehalem), 0x1c (Atom), 0x1e (Lynnfield),
+ 0x26 (Tunnel Creek Atom), 0x27 (Medfield 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
@@ -65,6 +66,9 @@ Process Processor TjMax(C)
U3400 105
P4505/P4500 90
+32nm Atom Processors
+ Z2460 90
+
45nm Xeon Processors 5400 Quad-Core
X5492, X5482, X5472, X5470, X5460, X5450 85
E5472, E5462, E5450/40/30/20/10/05 85
@@ -85,6 +89,8 @@ Process Processor TjMax(C)
N475/470/455/450 100
N280/270 90
330/230 125
+ E680/660/640/620 90
+ E680T/660T/640T/620T 110
45nm Core2 Processors
Solo ULV SU3500/3300 100
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index b9d512331ed4..495add52c802 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -210,7 +210,8 @@ static int __cpuinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id,
/* Atom CPUs */
- if (c->x86_model == 0x1c) {
+ if (c->x86_model == 0x1c || c->x86_model == 0x26
+ || c->x86_model == 0x27) {
usemsr_ee = 0;
host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));