diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index bdec502910171ce87bd7688c90da24b902f678e1..f31e3c20b14ed65346b2c5b3db4804b9549152cf 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -111,6 +111,7 @@
 #define PHYTIUM_CPU_PART_2000PLUS	0X662
 #define PHYTIUM_CPU_PART_2004		0X663
 #define PHYTIUM_CPU_PART_2500		0X663
+#define PHYTIUM_CPU_PART_FTC862		0x862
 
 #define AMPERE_CPU_PART_AMPERE1        0xAC3
 
@@ -144,6 +145,7 @@
 #define MIDR_FT_2000PLUS MIDR_CPU_MODEL(ARM_CPU_IMP_PHYTIUM, PHYTIUM_CPU_PART_2000PLUS)
 #define MIDR_FT_2004     MIDR_CPU_MODEL(ARM_CPU_IMP_PHYTIUM, PHYTIUM_CPU_PART_2004)
 #define MIDR_FT_2500	 MIDR_CPU_MODEL(ARM_CPU_IMP_PHYTIUM, PHYTIUM_CPU_PART_2500)
+#define MIDR_PHYTIUM_FTC862	MIDR_CPU_MODEL(ARM_CPU_IMP_PHYTIUM, PHYTIUM_CPU_PART_FTC862)
 #define MIDR_AMPERE1 MIDR_CPU_MODEL(ARM_CPU_IMP_AMPERE, AMPERE_CPU_PART_AMPERE1)
 
 #ifndef __ASSEMBLY__
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index e3fd8d36c00639aa39dc09514fb85fe5e320b4b5..58b5b9472422943ec009f19a59bcfd93ca0c50f7 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -634,6 +634,19 @@ static int __init reserve_park_mem(void)
 }
 #endif
 
+#ifdef CONFIG_ARCH_PHYTIUM
+#define SOCID_PS23064 0x8
+#define RMV_PS23064 0x510783f00000
+static inline void phytium_ps23064_quirk(void)
+{
+	if (read_sysreg_s(SYS_AIDR_EL1) == SOCID_PS23064 &&
+		read_cpuid_id() == MIDR_PHYTIUM_FTC862) {
+		pr_warn("Enable Phytium S5000C-128 Core quirk\n");
+		memblock_remove(RMV_PS23064, (1ULL << PHYS_MASK_SHIFT) - RMV_PS23064);
+	}
+}
+#endif
+
 void __init arm64_memblock_init(void)
 {
 	const s64 linear_region_size = -(s64)PAGE_OFFSET;
@@ -643,7 +656,10 @@ void __init arm64_memblock_init(void)
 
 	/* Remove memory above our supported physical address size */
 	memblock_remove(1ULL << PHYS_MASK_SHIFT, ULLONG_MAX);
-
+#ifdef CONFIG_ARCH_PHYTIUM
+	if (IS_ENABLED(CONFIG_KASAN))
+		phytium_ps23064_quirk();
+#endif
 	/*
 	 * Ensure that the linear region takes up exactly half of the kernel
 	 * virtual address space. This way, we can distinguish a linear address