1 files changed, 73 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/cpu-info.c b/arch/arm/mach-uniphier/cpu-info.c
new file mode 100644
index 0000000..a9c8167
--- /dev/null
+++ b/arch/arm/mach-uniphier/cpu-info.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2013-2014 Panasonic Corporation
+ * Copyright (C) 2015-2017 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+
+#include "soc-info.h"
+
+int print_cpuinfo(void)
+{
+	unsigned int id, model, rev, required_model = 1, required_rev = 1;
+
+	id = uniphier_get_soc_id();
+	model = uniphier_get_soc_model();
+	rev = uniphier_get_soc_revision();
+
+	puts("CPU:   ");
+
+	switch (id) {
+	case UNIPHIER_SLD3_ID:
+		puts("sLD3 (MN2WS0220)");
+		required_model = 2;
+		break;
+	case UNIPHIER_LD4_ID:
+		puts("LD4 (MN2WS0250)");
+		required_rev = 2;
+		break;
+	case UNIPHIER_PRO4_ID:
+		puts("Pro4 (MN2WS0230)");
+		break;
+	case UNIPHIER_SLD8_ID:
+		puts("sLD8 (MN2WS0270)");
+		break;
+	case UNIPHIER_PRO5_ID:
+		puts("Pro5 (MN2WS0300)");
+		break;
+	case UNIPHIER_PXS2_ID:
+		puts("PXs2 (MN2WS0310)");
+		break;
+	case UNIPHIER_LD6B_ID:
+		puts("LD6b (MN2WS0320)");
+		break;
+	case UNIPHIER_LD11_ID:
+		puts("LD11 (SC1405AP1)");
+		break;
+	case UNIPHIER_LD20_ID:
+		puts("LD20 (SC1401AJ1)");
+		break;
+	default:
+		printf("Unknown Processor ID (0x%x)\n", id);
+		return -ENOTSUPP;
+	}
+
+	printf(" model %d (revision %d)\n", model, rev);
+
+	if (model < required_model) {
+		printf("Only model %d or newer is supported.\n",
+		       required_model);
+		return -ENOTSUPP;
+	} else if (rev < required_rev) {
+		printf("Only revision %d or newer is supported.\n",
+		       required_rev);
+		return -ENOTSUPP;
+	}
+
+	return 0;
+}