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Diffstat (limited to 'src/superio/fintek/f81216h/superio.c')
-rw-r--r--src/superio/fintek/f81216h/superio.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/superio/fintek/f81216h/superio.c b/src/superio/fintek/f81216h/superio.c
new file mode 100644
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+++ b/src/superio/fintek/f81216h/superio.c
@@ -0,0 +1,119 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.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 <superio/conf_mode.h>
+#include <console/console.h>
+#include <stdlib.h>
+
+#include "chip.h"
+#include "f81216h.h"
+
+
+static void pnp_enter_ext_func_mode(struct device *dev)
+{
+ const struct superio_fintek_f81216h_config *conf = dev->chip_info;
+
+ u8 key;
+
+ /**
+ * KEY1 KEY0 Enter key
+ * 0 0 0x77 (default)
+ * 0 1 0xA0
+ * 1 0 0x87
+ * 1 1 0x67
+ *
+ * See page 17 of data sheet.
+ */
+ switch(conf->conf_key_mode) {
+ case 0:
+ key = 0x77; /* (default) */
+ break;
+ case 1:
+ key = 0xa0;
+ break;
+ case 2:
+ key = 0x87;
+ break;
+ case 3:
+ key = 0x67;
+ break;
+ default:
+ key = 0x77; /* safe to be hw default */
+ }
+
+ outb(key, dev->path.pnp.port);
+ outb(key, dev->path.pnp.port);
+}
+
+static void pnp_exit_ext_func_mode(struct device *dev)
+{
+ outb(0xaa, dev->path.pnp.port);
+}
+
+static const struct pnp_mode_ops pnp_conf_mode_ops = {
+ .enter_conf_mode = pnp_enter_ext_func_mode,
+ .exit_conf_mode = pnp_exit_ext_func_mode,
+};
+
+
+static void f81216h_init(struct device *dev)
+{
+ if (!dev->enabled)
+ return;
+
+ switch(dev->path.pnp.device) {
+ case F81216H_SP1:
+ case F81216H_SP2:
+ case F81216H_SP3:
+ case F81216H_SP4:
+ case F81216H_WDT:
+ break;
+ }
+}
+
+static struct device_operations ops = {
+ .read_resources = pnp_read_resources,
+ .set_resources = pnp_set_resources,
+ .enable_resources = pnp_enable_resources,
+ .enable = pnp_alt_enable,
+ .init = f81216h_init,
+ .ops_pnp_mode = &pnp_conf_mode_ops,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+ { &ops, F81216H_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, F81216H_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, F81216H_SP3, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, F81216H_SP4, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, F81216H_WDT, },
+};
+
+static void enable_dev(struct device *dev)
+{
+ pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+}
+
+struct chip_operations superio_fintek_f81216h_ops = {
+ CHIP_NAME("Fintek F81216H/D/DG/F/FG Super I/O")
+ .enable_dev = enable_dev
+};