add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/arch/x86/events/zhaoxin/core.c
..
..
@@ -541,7 +541,13 @@
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 	switch (boot_cpu_data.x86) {
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 	case 0x06:
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-		if (boot_cpu_data.x86_model == 0x0f || boot_cpu_data.x86_model == 0x19) {
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+		/*
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+		 * Support Zhaoxin CPU from ZXC series, exclude Nano series through FMS.
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+		 * Nano FMS: Family=6, Model=F, Stepping=[0-A][C-D]
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+		 * ZXC FMS: Family=6, Model=F, Stepping=E-F OR Family=6, Model=0x19, Stepping=0-3
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+		 */
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+		if ((boot_cpu_data.x86_model == 0x0f && boot_cpu_data.x86_stepping >= 0x0e) ||
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+			boot_cpu_data.x86_model == 0x19) {
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 			x86_pmu.max_period = x86_pmu.cntval_mask >> 1;
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