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Diffstat (limited to 'roms/u-boot/arch/arm/mach-uniphier/soc-info.c')
-rw-r--r--roms/u-boot/arch/arm/mach-uniphier/soc-info.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-uniphier/soc-info.c b/roms/u-boot/arch/arm/mach-uniphier/soc-info.c
new file mode 100644
index 000000000..b0221016d
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-uniphier/soc-info.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 Socionext Inc.
+ * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/io.h>
+#include <linux/types.h>
+
+#include "sg-regs.h"
+#include "soc-info.h"
+
+unsigned int uniphier_get_soc_id(void)
+{
+ u32 rev = readl(sg_base + SG_REVISION);
+
+ return FIELD_GET(SG_REVISION_TYPE_MASK, rev);
+}
+
+unsigned int uniphier_get_soc_model(void)
+{
+ u32 rev = readl(sg_base + SG_REVISION);
+
+ return FIELD_GET(SG_REVISION_MODEL_MASK, rev);
+}
+
+unsigned int uniphier_get_soc_revision(void)
+{
+ u32 rev = readl(sg_base + SG_REVISION);
+
+ return FIELD_GET(SG_REVISION_REV_MASK, rev);
+}