1 files changed, 77 insertions, 0 deletions
diff --git a/arch/arm/mach-rmobile/cpu_info.c b/arch/arm/mach-rmobile/cpu_info.c
new file mode 100644
index 0000000..129ab0c
--- /dev/null
+++ b/arch/arm/mach-rmobile/cpu_info.c
@@ -0,0 +1,77 @@
+/*
+ * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * (C) Copyright 2012 Renesas Solutions Corp.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_ARCH_CPU_INIT
+int arch_cpu_init(void)
+{
+	icache_enable();
+	return 0;
+}
+#endif
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+	dcache_enable();
+}
+#endif
+
+#ifdef CONFIG_DISPLAY_CPUINFO
+static u32 __rmobile_get_cpu_type(void)
+{
+	return 0x0;
+}
+u32 rmobile_get_cpu_type(void)
+		__attribute__((weak, alias("__rmobile_get_cpu_type")));
+
+static u32 __rmobile_get_cpu_rev_integer(void)
+{
+	return 0;
+}
+u32 rmobile_get_cpu_rev_integer(void)
+		__attribute__((weak, alias("__rmobile_get_cpu_rev_integer")));
+
+static u32 __rmobile_get_cpu_rev_fraction(void)
+{
+	return 0;
+}
+u32 rmobile_get_cpu_rev_fraction(void)
+		__attribute__((weak, alias("__rmobile_get_cpu_rev_fraction")));
+
+/* CPU infomation table */
+static const struct {
+	u16 cpu_type;
+	u8 cpu_name[10];
+} rmobile_cpuinfo[] = {
+	{ 0x37, "SH73A0" },
+	{ 0x40, "R8A7740" },
+	{ 0x45, "R8A7790" },
+	{ 0x47, "R8A7791" },
+	{ 0x4A, "R8A7792" },
+	{ 0x4B, "R8A7793" },
+	{ 0x4C, "R8A7794" },
+	{ 0x0, "CPU" },
+};
+
+int print_cpuinfo(void)
+{
+	int i = 0;
+	u32 cpu_type = rmobile_get_cpu_type();
+	for (; i < ARRAY_SIZE(rmobile_cpuinfo); i++) {
+		if (rmobile_cpuinfo[i].cpu_type == cpu_type) {
+			printf("CPU: Renesas Electronics %s rev %d.%d\n",
+			       rmobile_cpuinfo[i].cpu_name,
+			       rmobile_get_cpu_rev_integer(),
+			       rmobile_get_cpu_rev_fraction());
+			break;
+		}
+	}
+	return 0;
+}
+#endif /* CONFIG_DISPLAY_CPUINFO */