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Diffstat (limited to 'roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c')
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c b/roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c
new file mode 100644
index 00000000..83d5282e
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/rmobile/cpu_info.c
@@ -0,0 +1,79 @@
+/*
+ * (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")));
+
+int print_cpuinfo(void)
+{
+ switch (rmobile_get_cpu_type()) {
+ case 0x37:
+ printf("CPU: Renesas Electronics SH73A0 rev %d.%d\n",
+ rmobile_get_cpu_rev_integer(),
+ rmobile_get_cpu_rev_fraction());
+ break;
+ case 0x40:
+ printf("CPU: Renesas Electronics R8A7740 rev %d.%d\n",
+ rmobile_get_cpu_rev_integer(),
+ rmobile_get_cpu_rev_fraction());
+ break;
+
+ case 0x45:
+ printf("CPU: Renesas Electronics R8A7790 rev %d\n",
+ rmobile_get_cpu_rev_integer());
+ break;
+
+ case 0x47:
+ printf("CPU: Renesas Electronics R8A7791 rev %d\n",
+ rmobile_get_cpu_rev_integer());
+ break;
+
+ default:
+ printf("CPU: Renesas Electronics CPU rev %d.%d\n",
+ rmobile_get_cpu_rev_integer(),
+ rmobile_get_cpu_rev_fraction());
+ break;
+ }
+ return 0;
+}
+#endif /* CONFIG_DISPLAY_CPUINFO */