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authorAngel Pons <th3fanbus@gmail.com>2020-10-28 19:29:49 +0100
committerAngel Pons <th3fanbus@gmail.com>2021-01-10 15:42:17 +0000
commit829fb2e9857fa9764edc2aadc292168a07939602 (patch)
tree1b003874cf139edc6d6ca63c81ceb7f7774fa355 /src/cpu
parent78c45bd3ef775a790f5cfe60462d37d5edb19e4f (diff)
cpu/intel/haswell: Do not determine CPU type at runtime
It is already known at compile-time. Change-Id: I20303cd1f79b71268a9d734c85a1291afe9177e9 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/46912 Reviewed-by: Nico Huber <nico.h@gmx.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/intel/haswell/haswell.h7
-rw-r--r--src/cpu/intel/haswell/haswell_init.c21
2 files changed, 4 insertions, 24 deletions
diff --git a/src/cpu/intel/haswell/haswell.h b/src/cpu/intel/haswell/haswell.h
index 07013325d6..deadbc567f 100644
--- a/src/cpu/intel/haswell/haswell.h
+++ b/src/cpu/intel/haswell/haswell.h
@@ -145,8 +145,9 @@ void set_power_limits(u8 power_limit_1_time);
int cpu_config_tdp_levels(void);
/* CPU identification */
-int haswell_family_model(void);
-int haswell_stepping(void);
-int haswell_is_ult(void);
+static inline int haswell_is_ult(void)
+{
+ return CONFIG(INTEL_LYNXPOINT_LP);
+}
#endif
diff --git a/src/cpu/intel/haswell/haswell_init.c b/src/cpu/intel/haswell/haswell_init.c
index 4b73c6a28c..15dcff54dd 100644
--- a/src/cpu/intel/haswell/haswell_init.c
+++ b/src/cpu/intel/haswell/haswell_init.c
@@ -186,27 +186,6 @@ static const u8 power_limit_time_msr_to_sec[] = {
[0x11] = 128,
};
-int haswell_family_model(void)
-{
- return cpuid_eax(1) & 0x0fff0ff0;
-}
-
-int haswell_stepping(void)
-{
- return cpuid_eax(1) & 0xf;
-}
-
-/* Dynamically determine if the part is ULT. */
-int haswell_is_ult(void)
-{
- static int ult = -1;
-
- if (ult < 0)
- ult = !!(haswell_family_model() == HASWELL_FAMILY_ULT);
-
- return ult;
-}
-
/* The core 100MHz BCLK is disabled in deeper c-states. One needs to calibrate
* the 100MHz BCLK against the 24MHz BCLK to restore the clocks properly
* when a core is woken up. */