superio/fintek: Add f81803A

Add f81803A plus the capability to control the fan with any fintek SIO.
This will be done through a common API, though currently only F81803A will
have it implemented.

BUG=none.
TEST=Tested later with padmelon board.

Change-Id: I3d336e76bccc38452b1b1aefef5d4a4f7ee129a8
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33623
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

1 files changed, 78 insertions, 0 deletions

diff --git a/src/superio/fintek/f81803a/superio.c b/src/superio/fintek/f81803a/superio.c
new file mode 100644
index 0000000000..a07b69e97e
--- /dev/null
+++ b/src/superio/fintek/f81803a/superio.c
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * 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.
+ */
+
+#include <device/device.h>
+#include <device/pnp.h>
+#include <superio/conf_mode.h>
+#include <console/console.h>
+#include <stdlib.h>
+#include <pc80/keyboard.h>
+#include "f81803a.h"
+
+static void f81803a_pme_init(struct device *dev)
+{
+	pnp_enter_conf_mode(dev);
+	pnp_write_config(dev, LDN_REG, F81803A_PME);
+	/* enable ERP function*/
+	/* also set PSIN to generate PSOUT*/
+	pnp_write_config(dev, PME_ERP_ENABLE_REG, ERP_ENABLE | ERP_PSOUT_EN);
+	pnp_exit_conf_mode(dev);
+}
+
+static void f81803a_init(struct device *dev)
+{
+	if (!dev->enabled)
+		return;
+	switch (dev->path.pnp.device) {
+	/* TODO: Might potentially need code for GPIO or WDT. */
+	case F81803A_KBC:
+		pc_keyboard_init(NO_AUX_DEVICE);
+		break;
+	case F81803A_PME:
+		f81803a_pme_init(dev);
+		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			= f81803a_init,
+	.ops_pnp_mode		= &pnp_conf_mode_8787_aa,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+	{ &ops, F81803A_SP1,  PNP_IO0 | PNP_IRQ0, 0x7f8, },
+	{ &ops, F81803A_SP2,  PNP_IO0 | PNP_IRQ0, 0x7f8, },
+	{ &ops, F81803A_HWM,  PNP_IO0 | PNP_IRQ0, 0xff8, },
+	{ &ops, F81803A_KBC,  PNP_IO0 | PNP_IRQ0 | PNP_IRQ1, 0x07f8, },
+	{ &ops, F81803A_GPIO, PNP_IO0 | PNP_IRQ0, 0x7f8, },
+	{ &ops, F81803A_WDT,  PNP_IO0, 0x7f8 },
+	{ &ops, F81803A_PME, },
+};
+
+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_f81803a_ops = {
+	CHIP_NAME("Fintek F81803A Super I/O")
+	.enable_dev = enable_dev
+};