superio/ite/it8623e: add support for SIO chip ITE IT8623E

This change adds basic support for the SuperIO chip ITE IT8623E.
Due to the lack of a datasheet, defaults are shown as "not available (NA)"
in superiotool's register dump. LDNs defined in it8623e.h are
definitely correct and working as expected.

Change-Id: I05832c4db7ab59541337f11200640316376e792e
Signed-off-by: Gergely Kiss <mail.gery@gmail.com>
Reviewed-on: https://review.coreboot.org/23001
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

1 files changed, 74 insertions, 0 deletions

diff --git a/src/superio/ite/it8623e/superio.c b/src/superio/ite/it8623e/superio.c
new file mode 100644
index 0000000000..e1ae5036a9
--- /dev/null
+++ b/src/superio/ite/it8623e/superio.c
@@ -0,0 +1,74 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2007 Philipp Degler <pdegler@rumms.uni-mannheim.de>
+ * Copyright (C) 2017 Gergely Kiss <mail.gery@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.
+ */
+
+#include <device/device.h>
+#include <device/pnp.h>
+#include <pc80/keyboard.h>
+#include <arch/io.h>
+#include <stdlib.h>
+#include <superio/conf_mode.h>
+
+#include "it8623e.h"
+
+static void it8623e_init(struct device *dev)
+{
+
+	if (!dev->enabled)
+		return;
+
+	switch (dev->path.pnp.device) {
+	case IT8623E_EC:
+		break;
+	case IT8623E_KBCK:
+		pc_keyboard_init(NO_AUX_DEVICE);
+		break;
+	case IT8623E_KBCM:
+		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             = it8623e_init,
+	.ops_pnp_mode     = &pnp_conf_mode_870155_aa,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+	{ &ops, IT8623E_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x0ff8, },
+	{ &ops, IT8623E_SP1, PNP_IO0 | PNP_IRQ0, 0x0ff8, },
+	{ &ops, IT8623E_SP2, PNP_IO0 | PNP_IRQ0, 0x0ff8, },
+	{ &ops, IT8623E_PP, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_DRQ0, 0x0ff8, 0x0ff8, },
+	{ &ops, IT8623E_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x0ff0, 0x0ff0, },
+	{ &ops, IT8623E_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x0fff, 0x0fff, },
+	{ &ops, IT8623E_KBCM, PNP_IRQ0, },
+	{ &ops, IT8623E_GPIO, PNP_IO0 | PNP_IO1 | PNP_IO2 | PNP_IRQ0, 0x0fff, 0x0fe0, 0x0fff, },
+};
+
+static void enable_dev(struct device *dev)
+{
+	pnp_enable_devices(dev, &ops,
+		ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+}
+
+struct chip_operations superio_ite_it8623e_ops = {
+	CHIP_NAME("ITE IT8623E Super I/O")
+	.enable_dev = enable_dev,
+};