arm: rmobile: Merge functions to get the CPU information of R8A7790 and R8A7791

Functions to get the CPU information of R8A7790 and R8A7791 are common.
This merges these as cpu_info-rcar.c.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/arm/cpu/armv7/rmobile/Makefile b/arch/arm/cpu/armv7/rmobile/Makefile
index 2221999..fad004c 100644
--- a/arch/arm/cpu/armv7/rmobile/Makefile
+++ b/arch/arm/cpu/armv7/rmobile/Makefile
@@ -11,7 +11,7 @@
 obj-$(CONFIG_DISPLAY_BOARDINFO) += board.o
 obj-$(CONFIG_GLOBAL_TIMER) += timer.o
 obj-$(CONFIG_R8A7740) += lowlevel_init.o cpu_info-r8a7740.o pfc-r8a7740.o
-obj-$(CONFIG_R8A7790) += lowlevel_init_ca15.o cpu_info-r8a7790.o pfc-r8a7790.o
-obj-$(CONFIG_R8A7791) += lowlevel_init_ca15.o cpu_info-r8a7791.o pfc-r8a7791.o
+obj-$(CONFIG_R8A7790) += lowlevel_init_ca15.o cpu_info-rcar.o pfc-r8a7790.o
+obj-$(CONFIG_R8A7791) += lowlevel_init_ca15.o cpu_info-rcar.o pfc-r8a7791.o
 obj-$(CONFIG_SH73A0) += lowlevel_init.o cpu_info-sh73a0.o pfc-sh73a0.o
 obj-$(CONFIG_TMU_TIMER) += ../../../../sh/lib/time.o
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7791.c b/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7791.c
deleted file mode 100644
index 2de58ed..0000000
--- a/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7791.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * arch/arm/cpu/armv7/rmobile/cpu_info-r8a7791.c
- *
- * Copyright (C) 2013 Renesas Electronics Corporation
- *
- * SPDX-License-Identifier: GPL-2.0
- */
-#include <common.h>
-#include <asm/io.h>
-
-#define PRR 0xFF000044
-
-u32 rmobile_get_cpu_type(void)
-{
-	u32 product;
-
-	product = readl(PRR);
-
-	return (u32)((product & 0x00007F00) >> 8);
-}
-
-u32 rmobile_get_cpu_rev_integer(void)
-{
-	u32 product;
-
-	product = readl(PRR);
-
-	return (u32)((product & 0x000000F0) >> 4);
-}
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7790.c b/arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
similarity index 64%
rename from arch/arm/cpu/armv7/rmobile/cpu_info-r8a7790.c
rename to arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
index 7232e23..0289ece 100644
--- a/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7790.c
+++ b/arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
@@ -1,8 +1,7 @@
 /*
- * arch/arm/cpu/armv7/rmobile/cpu_info-r8a7790.c
- *     This file is r8a7790 processor support.
+ * arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
  *
- * Copyright (C) 2013 Renesas Electronics Corporation
+ * Copyright (C) 2013,2014 Renesas Electronics Corporation
  *
  * SPDX-License-Identifier: GPL-2.0
  */