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

1 files changed, 82 insertions, 0 deletions

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,
+};