Add support for the NSC PC87309 Super I/O.

Pre-RAM serial output on COM1 and COM2 has been tested. The rest is not
yet tested on real hardware.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2574 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

5 files changed, 194 insertions, 0 deletions

diff --git a/src/superio/nsc/pc87309/Config.lb b/src/superio/nsc/pc87309/Config.lb
new file mode 100644
index 0000000000..e1c007021b
--- /dev/null
+++ b/src/superio/nsc/pc87309/Config.lb
@@ -0,0 +1,23 @@
+## 
+## This file is part of the LinuxBIOS project.
+## 
+## Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
+## 
+## 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+## 
+
+config chip.h
+object superio.o
+
diff --git a/src/superio/nsc/pc87309/chip.h b/src/superio/nsc/pc87309/chip.h
new file mode 100644
index 0000000000..17d7041239
--- /dev/null
+++ b/src/superio/nsc/pc87309/chip.h
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <pc80/keyboard.h>
+#include <uart8250.h>
+
+extern struct chip_operations superio_nsc_pc87309_ops;
+
+struct superio_nsc_pc87309_config {
+	struct uart8250 com1, com2;
+	struct pc_keyboard keyboard;
+};
diff --git a/src/superio/nsc/pc87309/pc87309.h b/src/superio/nsc/pc87309/pc87309.h
new file mode 100644
index 0000000000..6ed5997109
--- /dev/null
+++ b/src/superio/nsc/pc87309/pc87309.h
@@ -0,0 +1,30 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/* Datasheet: PC87309 SuperI/O Plug and Play Compatible Chip. */
+/* Status: Pre-RAM serial output is tested and works. The rest is untested. */
+
+#define PC87309_FDC  0x00	/* Floppy */
+#define PC87309_PP   0x01	/* Parallel port */
+#define PC87309_SP2  0x02	/* Com2 / IR */
+#define PC87309_SP1  0x03	/* Com1 */
+#define PC87309_PM   0x04	/* Power management */
+#define PC87309_KBCM 0x05	/* Mouse */
+#define PC87309_KBCK 0x06	/* Keyboard */
diff --git a/src/superio/nsc/pc87309/pc87309_early_serial.c b/src/superio/nsc/pc87309/pc87309_early_serial.c
new file mode 100644
index 0000000000..51ec4e6237
--- /dev/null
+++ b/src/superio/nsc/pc87309/pc87309_early_serial.c
@@ -0,0 +1,30 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/romcc_io.h>
+#include "pc87309.h"
+
+static void pc87309_enable_serial(device_t dev, unsigned int iobase)
+{
+	pnp_set_logical_device(dev);
+	pnp_set_enable(dev, 0);
+	pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
+	pnp_set_enable(dev, 1);
+}
diff --git a/src/superio/nsc/pc87309/superio.c b/src/superio/nsc/pc87309/superio.c
new file mode 100644
index 0000000000..ebfe615f18
--- /dev/null
+++ b/src/superio/nsc/pc87309/superio.c
@@ -0,0 +1,82 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include <uart8250.h>
+#include <pc80/keyboard.h>
+#include "chip.h"
+#include "pc87309.h"
+
+static void init(device_t dev)
+{
+	struct superio_nsc_pc87309_config *conf;
+	struct resource *res0, *res1;
+
+	if (!dev->enabled) {
+		return;
+	}
+	conf = dev->chip_info;
+	switch (dev->path.u.pnp.device) {
+	case PC87309_SP1:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		init_uart8250(res0->base, &conf->com1);
+		break;
+	case PC87309_SP2:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		init_uart8250(res0->base, &conf->com2);
+		break;
+	case PC87309_KBCK:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		res1 = find_resource(dev, PNP_IDX_IO1);
+		init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
+		break;
+	}
+}
+
+static struct device_operations ops = {
+	.read_resources	  = pnp_read_resources,
+	.set_resources	  = pnp_set_resources,
+	.enable_resources = pnp_enable_resources,
+	.enable 	  = pnp_enable,
+	.init		  = init,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+	{&ops, PC87309_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07fa, 0},},
+	{&ops, PC87309_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x04f8, 0},},
+	{&ops, PC87309_SP2,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, {0x7f8, 0},},
+	{&ops, PC87309_SP1,  PNP_IO0 | PNP_IRQ0, {0x7f8, 0},},
+	// TODO: PM.
+	{&ops, PC87309_KBCM, PNP_IRQ0},
+	{&ops, PC87309_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x7f8, 0}, {0x7f8, 0x4},},
+};
+
+static void enable_dev(struct device *dev)
+{
+	pnp_enable_devices(dev, &pnp_ops,
+		sizeof(pnp_dev_info) / sizeof(pnp_dev_info[0]), pnp_dev_info);
+}
+
+struct chip_operations superio_nsc_pc87309_ops = {
+	CHIP_NAME("NSC PC87309 Super I/O")
+	.enable_dev = enable_dev,
+};