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authorMarc Jones <marcj303@gmail.com>2010-09-10 22:13:34 +0000
committerMarc Jones <marc.jones@amd.com>2010-09-10 22:13:34 +0000
commit43882f1714a5fd415cdf3dab1dfd6328fb2f0a33 (patch)
treed981ca39e2c4699e4d439e15612092663454472c /src/superio/fintek/f71859/superio.c
parent36224b479bff4002df22d3552ffb4e6c90ca1e30 (diff)
downloadcoreboot-43882f1714a5fd415cdf3dab1dfd6328fb2f0a33.tar.xz
Add F71859 SIO.
Signed-off-by: Marc Jones <marcj303@gmail.com> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5802 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/superio/fintek/f71859/superio.c')
-rwxr-xr-xsrc/superio/fintek/f71859/superio.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/superio/fintek/f71859/superio.c b/src/superio/fintek/f71859/superio.c
new file mode 100755
index 0000000000..caf6f12e4d
--- /dev/null
+++ b/src/superio/fintek/f71859/superio.c
@@ -0,0 +1,103 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 Marc Jones <marcj303@gmail.com>
+ * Copyright (C) 2008 Corey Osgood <corey.osgood@gmail.com>
+ *
+ * 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 <console/console.h>
+#include <stdlib.h>
+#include <uart8250.h>
+#include "chip.h"
+#include "f71859.h"
+
+static void pnp_enter_conf_state(device_t dev)
+{
+ outb(0x87, dev->path.pnp.port);
+}
+
+static void pnp_exit_conf_state(device_t dev)
+{
+ outb(0xaa, dev->path.pnp.port);
+}
+
+static void f71859_init(device_t dev)
+{
+ struct superio_fintek_f71859_config *conf = dev->chip_info;
+ struct resource *res0;
+
+ if (!dev->enabled)
+ return;
+
+ switch(dev->path.pnp.device) {
+ /* TODO: Might potentially need code for HWM or FDC etc. */
+ case F71859_SP1:
+ res0 = find_resource(dev, PNP_IDX_IO0);
+ init_uart8250(res0->base, &conf->com1);
+ break;
+ }
+}
+
+static void f71859_pnp_set_resources(device_t dev)
+{
+ pnp_enter_conf_state(dev);
+ pnp_set_resources(dev);
+ pnp_exit_conf_state(dev);
+}
+
+static void f71859_pnp_enable_resources(device_t dev)
+{
+ pnp_enter_conf_state(dev);
+ pnp_enable_resources(dev);
+ pnp_exit_conf_state(dev);
+}
+
+static void f71859_pnp_enable(device_t dev)
+{
+ pnp_enter_conf_state(dev);
+ pnp_set_logical_device(dev);
+ (dev->enabled) ? pnp_set_enable(dev, 1) : pnp_set_enable(dev, 0);
+ pnp_exit_conf_state(dev);
+}
+
+static struct device_operations ops = {
+ .read_resources = pnp_read_resources,
+ .set_resources = f71859_pnp_set_resources,
+ .enable_resources = f71859_pnp_enable_resources,
+ .enable = f71859_pnp_enable,
+ .init = f71859_init,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+ /* TODO: Some of the 0x7f8 etc. values may not be correct. */
+ { &ops, F71859_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+
+};
+
+static void enable_dev(device_t dev)
+{
+ pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+}
+
+struct chip_operations superio_fintek_f71859_ops = {
+ CHIP_NAME("Fintek F71859 Super I/O")
+ .enable_dev = enable_dev
+};