Add support for Renesas M3885x Embedded Controller

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>
Acked-by: Peter Stuge <peter@stuge.se>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5028 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

8 files changed, 153 insertions, 0 deletions

diff --git a/src/superio/Kconfig b/src/superio/Kconfig
index 65ebf4a53e..7526428343 100644
--- a/src/superio/Kconfig
+++ b/src/superio/Kconfig
@@ -2,6 +2,7 @@ source src/superio/fintek/Kconfig
 source src/superio/intel/Kconfig
 source src/superio/ite/Kconfig
 source src/superio/nsc/Kconfig
+source src/superio/renesas/Kconfig
 source src/superio/serverengines/Kconfig
 source src/superio/smsc/Kconfig
 source src/superio/via/Kconfig
diff --git a/src/superio/Makefile.inc b/src/superio/Makefile.inc
index d662a3fb79..88c02bdc70 100644
--- a/src/superio/Makefile.inc
+++ b/src/superio/Makefile.inc
@@ -2,6 +2,7 @@ subdirs-y += fintek
 subdirs-y += intel
 subdirs-y += ite
 subdirs-y += nsc
+subdirs-y += renesas
 # subdirs-y += serverengines
 subdirs-y += smsc
 subdirs-y += via
diff --git a/src/superio/renesas/Kconfig b/src/superio/renesas/Kconfig
new file mode 100644
index 0000000000..a61090fdd4
--- /dev/null
+++ b/src/superio/renesas/Kconfig
@@ -0,0 +1,2 @@
+config SUPERIO_RENESAS_M3885X
+	bool
diff --git a/src/superio/renesas/Makefile.inc b/src/superio/renesas/Makefile.inc
new file mode 100644
index 0000000000..f15642276f
--- /dev/null
+++ b/src/superio/renesas/Makefile.inc
@@ -0,0 +1 @@
+subdirs-y += m3885x
diff --git a/src/superio/renesas/m3885x/Config.lb b/src/superio/renesas/m3885x/Config.lb
new file mode 100644
index 0000000000..3828fd4161
--- /dev/null
+++ b/src/superio/renesas/m3885x/Config.lb
@@ -0,0 +1,21 @@
+## 
+## This file is part of the coreboot project.
+## 
+## Copyright (C) 2009 coresystems GmbH
+## 
+## 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; version 2 of the License.
+## 
+## 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+## 
+
+config chip.h
+object superio.o
diff --git a/src/superio/renesas/m3885x/Makefile.inc b/src/superio/renesas/m3885x/Makefile.inc
new file mode 100644
index 0000000000..1b85138229
--- /dev/null
+++ b/src/superio/renesas/m3885x/Makefile.inc
@@ -0,0 +1,20 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2009 coresystems GmbH
+##
+## 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; version 2 of the License.
+##
+## 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+##
+
+obj-$(CONFIG_SUPERIO_RENESAS_M3885X) += superio.o
diff --git a/src/superio/renesas/m3885x/chip.h b/src/superio/renesas/m3885x/chip.h
new file mode 100644
index 0000000000..b333d1744b
--- /dev/null
+++ b/src/superio/renesas/m3885x/chip.h
@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2009 coresystems GmbH
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <device/device.h>
+#include <pc80/keyboard.h>
+
+extern struct chip_operations superio_renesas_m3885x_ops;
+
+struct superio_renesas_m3885x_config {
+	struct pc_keyboard keyboard;
+};
+
diff --git a/src/superio/renesas/m3885x/superio.c b/src/superio/renesas/m3885x/superio.c
new file mode 100644
index 0000000000..3ed4943200
--- /dev/null
+++ b/src/superio/renesas/m3885x/superio.c
@@ -0,0 +1,79 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2009 coresystems GmbH
+ *
+ * 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; version 2 of the License
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include <console/console.h>
+#include <device/smbus.h>
+#include <string.h>
+#include <bitops.h>
+#include <uart8250.h>
+#include <assert.h>
+#include <stdlib.h>
+#include "chip.h"
+
+void set_kbc_ps2_mode(void);
+void m3885_configure_multikey(void);
+
+static void m3885x_init(device_t dev)
+{
+	struct superio_renesas_m3885x_config *conf = dev->chip_info;
+
+	if (!dev->enabled)
+		return;
+
+	printk_debug("Renesas M3885x: Initializing keyboard.\n");
+	set_kbc_ps2_mode();
+	init_pc_keyboard(0x60, 0x64, &conf->keyboard);
+	m3885_configure_multikey();
+}
+
+
+static void m3885x_read_resources(device_t dev)
+{
+	// nothing, but this function avoids an error on serial console.
+}
+
+static void m3885x_enable_resources(device_t dev)
+{
+	// nothing, but this function avoids an error on serial console.
+}
+
+static struct device_operations ops = {
+	.init             = m3885x_init,
+	.read_resources   = m3885x_read_resources,
+	.enable_resources = m3885x_enable_resources
+};
+
+static struct pnp_info pnp_dev_info[] = {
+        { &ops, 0, 0, { 0, 0 }, }
+};
+
+static void enable_dev(device_t dev)
+{
+	pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+}
+
+struct chip_operations superio_renesas_m3885x_ops = {
+	CHIP_NAME("Renesas M3885x Super I/O")
+	.enable_dev = enable_dev,
+};
+
+