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authorPatrick Georgi <patrick@georgi-clan.de>2013-02-09 15:56:04 +0100
committerPatrick Georgi <patrick@georgi-clan.de>2013-02-11 20:51:33 +0100
commit8cc846897132f6d6baa49118005815aefb5f560f (patch)
tree113b69cccb4728084be3c5f83f04fe9f56db43e5 /src/cpu
parent3b19cbae37ab340bd530e35412800a171733fda6 (diff)
Intel: Replace MSR 0xcd with MSR_FSB_FREQ
And move the corresponding #define to speedstep.h Change-Id: I8c884b8ab9ba54e01cfed7647a59deafeac94f2d Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/2339 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/intel/model_1067x/model_1067x_init.c1
-rw-r--r--src/cpu/intel/speedstep/acpi.c2
-rw-r--r--src/cpu/x86/lapic/apic_timer.c5
3 files changed, 4 insertions, 4 deletions
diff --git a/src/cpu/intel/model_1067x/model_1067x_init.c b/src/cpu/intel/model_1067x/model_1067x_init.c
index e81a6a7291..c821474446 100644
--- a/src/cpu/intel/model_1067x/model_1067x_init.c
+++ b/src/cpu/intel/model_1067x/model_1067x_init.c
@@ -99,7 +99,6 @@ static void enable_vmx(void)
}
#define MSR_BBL_CR_CTL3 0x11e
-#define MSR_FSB_FREQ 0xcd
static void configure_c_states(const int quad)
{
diff --git a/src/cpu/intel/speedstep/acpi.c b/src/cpu/intel/speedstep/acpi.c
index 910055d443..dfcc82e2da 100644
--- a/src/cpu/intel/speedstep/acpi.c
+++ b/src/cpu/intel/speedstep/acpi.c
@@ -67,7 +67,7 @@ static int determine_total_number_of_cores(void)
*/
static int get_fsb(void)
{
- const u32 fsbcode = rdmsr(0xcd).lo & 7;
+ const u32 fsbcode = rdmsr(MSR_FSB_FREQ).lo & 7;
switch (fsbcode) {
case 0: return 800; /* / 3 == 266 */
case 1: return 400; /* / 3 == 133 */
diff --git a/src/cpu/x86/lapic/apic_timer.c b/src/cpu/x86/lapic/apic_timer.c
index 53209fbbff..93e948fb0e 100644
--- a/src/cpu/x86/lapic/apic_timer.c
+++ b/src/cpu/x86/lapic/apic_timer.c
@@ -25,6 +25,7 @@
#include <cpu/x86/car.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/lapic.h>
+#include <cpu/intel/speedstep.h>
/* NOTE: This code uses global variables, so it can not be used during
* memory init.
@@ -53,11 +54,11 @@ static int set_timer_fsb(void)
switch (c.x86_model) {
case 0xe: /* Core Solo/Duo */
case 0x1c: /* Atom */
- timer_fsb = core_fsb[rdmsr(0xcd).lo & 7];
+ timer_fsb = core_fsb[rdmsr(MSR_FSB_FREQ).lo & 7];
break;
case 0xf: /* Core 2 or Xeon */
case 0x17: /* Enhanced Core */
- timer_fsb = core2_fsb[rdmsr(0xcd).lo & 7];
+ timer_fsb = core2_fsb[rdmsr(MSR_FSB_FREQ).lo & 7];
break;
case 0x2a: /* SandyBridge BCLK fixed at 100MHz*/
case 0x3a: /* IvyBridge BCLK fixed at 100MHz*/