--- zzzz-none-000/linux-4.4.271/arch/arm64/kernel/cpuinfo.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/arch/arm64/kernel/cpuinfo.c	2023-04-19 10:22:27.000000000 +0000
@@ -34,6 +34,9 @@
 #include <linux/smp.h>
 #include <linux/delay.h>
 
+char* (*arch_read_hardware_id)(void);
+EXPORT_SYMBOL(arch_read_hardware_id);
+
 /*
  * In case the boot CPU is hotpluggable, we record its initial state and
  * current state separately. Certain system registers may contain different
@@ -156,6 +159,11 @@
 		seq_printf(m, "CPU revision\t: %d\n\n", MIDR_REVISION(midr));
 	}
 
+	if (!arch_read_hardware_id)
+                seq_printf(m, "Hardware\t: %s\n", machine_name);
+        else
+                seq_printf(m, "Hardware\t: %s\n", arch_read_hardware_id());
+
 	return 0;
 }