From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/arch/x86/events/zhaoxin/core.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/kernel/arch/x86/events/zhaoxin/core.c b/kernel/arch/x86/events/zhaoxin/core.c
index e68827e..e927346 100644
--- a/kernel/arch/x86/events/zhaoxin/core.c
+++ b/kernel/arch/x86/events/zhaoxin/core.c
@@ -541,7 +541,13 @@
switch (boot_cpu_data.x86) {
case 0x06:
- if (boot_cpu_data.x86_model == 0x0f || boot_cpu_data.x86_model == 0x19) {
+ /*
+ * Support Zhaoxin CPU from ZXC series, exclude Nano series through FMS.
+ * Nano FMS: Family=6, Model=F, Stepping=[0-A][C-D]
+ * ZXC FMS: Family=6, Model=F, Stepping=E-F OR Family=6, Model=0x19, Stepping=0-3
+ */
+ if ((boot_cpu_data.x86_model == 0x0f && boot_cpu_data.x86_stepping >= 0x0e) ||
+ boot_cpu_data.x86_model == 0x19) {
x86_pmu.max_period = x86_pmu.cntval_mask >> 1;
--
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