x86: Move common Intel CPU info code into a function
Add cpu_intel_get_info() to find out the CPU info on modern Intel CPUs.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: add parameter and return value descriptions]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/broadwell/cpu_full.c b/arch/x86/cpu/broadwell/cpu_full.c
index c1db184..d8b8482 100644
--- a/arch/x86/cpu/broadwell/cpu_full.c
+++ b/arch/x86/cpu/broadwell/cpu_full.c
@@ -645,14 +645,7 @@
static int broadwell_get_info(struct udevice *dev, struct cpu_info *info)
{
- msr_t msr;
-
- msr = msr_read(IA32_PERF_CTL);
- info->cpu_freq = ((msr.lo >> 8) & 0xff) * BROADWELL_BCLK * 1000000;
- info->features = 1 << CPU_FEAT_L1_CACHE | 1 << CPU_FEAT_MMU |
- 1 << CPU_FEAT_UCODE | 1 << CPU_FEAT_DEVICE_ID;
-
- return 0;
+ return cpu_intel_get_info(info, BROADWELL_BCLK);
}
static int broadwell_get_count(struct udevice *dev)