arm: rmobile: Add support Renesas R8A7740

Renesas R8A7740 is CPU with Cortex-A9.
This supports the basic register definition and GPIO.

Signed-off-by: Hideyuki Sano <hideyuki.sano.dn@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

3 files changed, 56 insertions, 0 deletions

diff --git a/arch/arm/cpu/armv7/rmobile/Makefile b/arch/arm/cpu/armv7/rmobile/Makefile
index dd0aede..6554f36 100644
--- a/arch/arm/cpu/armv7/rmobile/Makefile
+++ b/arch/arm/cpu/armv7/rmobile/Makefile
@@ -30,6 +30,8 @@ COBJS-y += cpu_info.o
 
 COBJS-$(CONFIG_DISPLAY_BOARDINFO) += board.o
 COBJS-$(CONFIG_GLOBAL_TIMER) += timer.o
+COBJS-$(CONFIG_R8A7740) += cpu_info-r8a7740.o
+COBJS-$(CONFIG_R8A7740) += pfc-r8a7740.o
 COBJS-$(CONFIG_SH73A0) += cpu_info-sh73a0.o
 COBJS-$(CONFIG_SH73A0) += pfc-sh73a0.o
 COBJS-$(CONFIG_TMU_TIMER) += $(TOPDIR)/arch/sh/lib/time.o
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7740.c b/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7740.c
new file mode 100644
index 0000000..f9b0ab8
--- /dev/null
+++ b/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7740.c
@@ -0,0 +1,48 @@
+/*
+ * (C) Copyright 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * (C) Copyright 2012 Renesas Solutions Corp.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/io.h>
+
+u32 rmobile_get_cpu_type(void)
+{
+	u32 id;
+	u32 type;
+	struct r8a7740_hpb *hpb = (struct r8a7740_hpb *)HPB_BASE;
+
+	id = readl(hpb->cccr);
+	type = (id >> 8) & 0xFF;
+
+	return type;
+}
+
+u32 get_cpu_rev(void)
+{
+	u32 id;
+	u32 rev;
+	struct r8a7740_hpb *hpb = (struct r8a7740_hpb *)HPB_BASE;
+
+	id = readl(hpb->cccr);
+	rev = (id >> 4) & 0xF;
+
+	return rev;
+}
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info.c b/arch/arm/cpu/armv7/rmobile/cpu_info.c
index 87287ce..0e2b82e 100644
--- a/arch/arm/cpu/armv7/rmobile/cpu_info.c
+++ b/arch/arm/cpu/armv7/rmobile/cpu_info.c
@@ -68,6 +68,12 @@ int print_cpuinfo(void)
 		       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;
+
 	default:
 		printf("CPU: Renesas Electronics CPU rev %d.%d\n",
 		       rmobile_get_cpu_rev_integer(),