GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/arm/mach-rmobile/cpu_info-sh73a0.c

@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * (C) Copyright 2012 Renesas Solutions Corp.
+ */
+#include <common.h>
+#include <asm/io.h>
+
+u32 rmobile_get_cpu_type(void)
+{
+	u32 id;
+	u32 type;
+	struct sh73a0_hpb *hpb = (struct sh73a0_hpb *)HPB_BASE;
+
+	id = readl(&hpb->cccr);
+	type = (id >> 8) & 0xFF;
+
+	return type;
+}
+
+u32 rmobile_get_cpu_rev_integer(void)
+{
+	u32 id;
+	u32 rev;
+	struct sh73a0_hpb *hpb = (struct sh73a0_hpb *)HPB_BASE;
+
+	id = readl(&hpb->cccr);
+	rev = ((id >> 4) & 0xF) + 1;
+
+	return rev;
+}
+
+u32 rmobile_get_cpu_rev_fraction(void)
+{
+	u32 id;
+	u32 rev;
+	struct sh73a0_hpb *hpb = (struct sh73a0_hpb *)HPB_BASE;
+
+	id = readl(&hpb->cccr);
+	rev = id & 0xF;
+
+	return rev;
+}