[coreboot-gerrit] Change in coreboot[master]: [Test]cpu/intel/speedstep/acpi.c: Add Netburst CPUs
Elyes HAOUAS (Code Review)
gerrit at coreboot.org
Sun Nov 26 17:19:33 CET 2017
Elyes HAOUAS has uploaded this change for review. ( https://review.coreboot.org/22604
Change subject: [Test]cpu/intel/speedstep/acpi.c: Add Netburst CPUs
......................................................................
[Test]cpu/intel/speedstep/acpi.c: Add Netburst CPUs
Change-Id: I06e162d3260dedeb3b16583460633507fbcbd52a
Signed-off-by: Elyes HAOUAS <ehaouas at noos.fr>
---
M src/cpu/intel/speedstep/acpi.c
1 file changed, 17 insertions(+), 2 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/04/22604/1
diff --git a/src/cpu/intel/speedstep/acpi.c b/src/cpu/intel/speedstep/acpi.c
index c154da0..5ffca65 100644
--- a/src/cpu/intel/speedstep/acpi.c
+++ b/src/cpu/intel/speedstep/acpi.c
@@ -48,9 +48,24 @@
*/
static int get_fsb(void)
{
- const u32 fsbcode = rdmsr(MSR_FSB_FREQ).lo & 7;
+
+ u32 fsbcode;
+ struct cpuinfo_x86 c;
+
+ get_fms(&c, cpuid_eax(1));
+ if ((c.x86)) == 0xf && (c.x86_model) >= 2){
+ fsbcode = (rdmsr(MSR_EBC_FREQUENCY_ID).lo >> 16) & 7;
+ } else {
+ fsbcode = rdmsr(MSR_FSB_FREQ).lo & 7;
+ }
+
switch (fsbcode) {
- case 0: return 800; /* / 3 == 266 */
+ case 0:
+ if ((c.x86)) == 0xf && (c.x86_model) == 2) {
+ return 300; /* / 3 == 100 */
+ } else {
+ return 800; /* / 3 == 266 */
+ }
case 1: return 400; /* / 3 == 133 */
case 2: return 600; /* / 3 == 200 */
case 3: return 500; /* / 3 == 166 */
--
To view, visit https://review.coreboot.org/22604
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I06e162d3260dedeb3b16583460633507fbcbd52a
Gerrit-Change-Number: 22604
Gerrit-PatchSet: 1
Gerrit-Owner: Elyes HAOUAS <ehaouas at noos.fr>
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