Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/arm/mach-s3c/cpu.c b/arch/arm/mach-s3c/cpu.c
new file mode 100644
index 0000000..6e97725
--- /dev/null
+++ b/arch/arm/mach-s3c/cpu.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
+// http://www.samsung.com
+//
+// Samsung CPU Support
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <mach/map-base.h>
+#include "cpu.h"
+
+unsigned long samsung_cpu_id;
+
+void __init s3c64xx_init_cpu(void)
+{
+ samsung_cpu_id = readl_relaxed(S3C_VA_SYS + 0x118);
+ if (!samsung_cpu_id) {
+ /*
+ * S3C6400 has the ID register in a different place,
+ * and needs a write before it can be read.
+ */
+ writel_relaxed(0x0, S3C_VA_SYS + 0xA1C);
+ samsung_cpu_id = readl_relaxed(S3C_VA_SYS + 0xA1C);
+ }
+
+ pr_info("Samsung CPU ID: 0x%08lx\n", samsung_cpu_id);
+}