Add initial support for SMSC SIO1007 SuperI/O chip

early_serial and some ACPI needed for compilation

Change-Id: I5dd970676488697156e0630392884f31149ac85b
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://review.coreboot.org/824
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

2 files changed, 363 insertions, 0 deletions

diff --git a/src/superio/smsc/sio1007/acpi/superio.asl b/src/superio/smsc/sio1007/acpi/superio.asl
new file mode 100644
index 0000000000..5bb45fad9a
--- /dev/null
+++ b/src/superio/smsc/sio1007/acpi/superio.asl
@@ -0,0 +1,299 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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
+ */
+
+// Scope is \_SB.PCI0.LPCB
+
+Device (SIO) {
+	Name (_ADR, 0x2E)
+	OperationRegion (SIOA, SystemIO, 0x2E, 0x02)
+	Field (SIOA, ByteAcc, NoLock, Preserve)
+	{
+		SI2E, 8,
+		SI2F, 8,
+	}
+
+	IndexField (SI2E, SI2F, ByteAcc, NoLock, Preserve)
+	{
+		Offset (0x02),
+		SCNT, 8,	/* Configure Control */
+		Offset (0x07),
+		SLDN, 8,	/* Logical Device Number */
+		Offset (0x30),
+		SACT, 8,	/* Activate */
+		Offset (0x60),
+		IO0H, 8,	/* Base Address 0 MSB */
+		IO0L, 8,	/* Base Address 0 LSB */
+		Offset (0x62),
+		IO1H, 8,	/* Base Address 1 MSB */
+		IO1L, 8,	/* Base Address 1 LSB */
+		Offset (0x70),
+		IQ00, 8,	/* Interrupt Select */
+	}
+
+	Name (SFDC, 0)		/* Floppy Disk Controller */
+	Name (SSP1, 1)		/* Serial Port 1 */
+	Name (SENV, 4)		/* Environment Controller */
+	Name (SKBC, 5)		/* Keyboard */
+	Name (SKBM, 6)		/* Mouse */
+	Name (SGPI, 7)		/* GPIO */
+	Name (SINF, 10)		/* Consumer IR */
+
+	Method (ENTR, 0, NotSerialized)
+	{
+		Store (0x87, SI2E)
+		Store (0x01, SI2E)
+		Store (0x55, SI2E)
+		Store (0x55, SI2E)
+	}
+
+	Method (EXIT, 0, NotSerialized)
+	{
+		Store (0x02, SCNT)
+	}
+
+	/* Parse activate register for an LDN */
+	Method (ISEN, 1, NotSerialized)
+	{
+		ENTR ()
+		Store (Arg0, SLDN)
+		Store (SACT, Local0)
+		EXIT ()
+
+		/* Check if it exists */
+		If (LEqual (Local0, 0xFF))
+		{
+			Return (0x00)
+		}
+
+		/* Check if activated */
+		If (LEqual (Local0, One))
+		{
+			Return (0x0F)
+		}
+		Else
+		{
+			Return (0x0D)
+		}
+	}
+
+	/* Enable an LDN via the activate register */
+	Method (SENA, 1, NotSerialized)
+	{
+		ENTR ()
+		Store (Arg0, SLDN)
+		Store (One, SACT)
+		EXIT ()
+	}
+
+	/* Disable an LDN via the activate register */
+	Method (SDIS, 1, NotSerialized)
+	{
+		ENTR ()
+		Store (Arg0, SLDN)
+		Store (Zero, SACT)
+		EXIT ()
+	}
+
+#ifdef SIO_ENABLE_ENVC
+	Device (ENVC) {
+		Name (_HID, EISAID ("PNP0C02"))
+		Name (_UID, 10)
+
+		Method (_STA, 0, NotSerialized) {
+			Return (ISEN (SENV))
+		}
+
+		Name (_CRS, ResourceTemplate ()
+		{
+			IO (Decode16, SIO_ENVC_IO0, SIO_ENVC_IO0, 0x08, 0x08)
+			IO (Decode16, SIO_ENVC_IO1, SIO_ENVC_IO1, 0x04, 0x04)
+		})
+
+		Name (_PRS, ResourceTemplate ()
+		{
+			IO (Decode16, SIO_ENVC_IO0, SIO_ENVC_IO0, 0x08, 0x08)
+			IO (Decode16, SIO_ENVC_IO1, SIO_ENVC_IO1, 0x04, 0x04)
+		})
+
+		OperationRegion (ECAP, SystemIO, SIO_ENVC_IO0, 0x07)
+		Field (ECAP, ByteAcc, NoLock, Preserve)
+		{
+			Offset (0x05),
+			ECAI, 8,  // Address Index Register
+			ECAD, 8,  // Address Data Register
+		}
+
+		// Registers for thermal zone implementations
+		IndexField (ECAI, ECAD, ByteAcc, NoLock, Preserve)
+		{
+			Offset (0x29),
+			TIN1, 8,  // TMPIN1 Reading
+			TIN2, 8,  // TMPIN2 Reading
+			TIN3, 8,  // TMPIN3 Reading
+			Offset (0x6b),
+			F2PS, 8,  // FAN2 PWM Setting
+			Offset (0x73),
+			F3PS, 8,  // FAN3 PWM Setting
+		}
+	}
+#endif
+
+#ifdef SIO_ENABLE_GPIO
+	Device (GPIO) {
+		Name (_HID, EISAID ("PNP0C02"))
+		Name (_UID, 11)
+
+		Method (_STA, 0, NotSerialized) {
+			Return (0x0F)
+		}
+
+		Name (_CRS, ResourceTemplate ()
+		{
+			IO (Decode16, SIO_GPIO_IO0, SIO_GPIO_IO0, 0x01, 0x01)
+			IO (Decode16, SIO_GPIO_IO1, SIO_GPIO_IO1, 0x08, 0x08)
+		})
+
+		Name (_PRS, ResourceTemplate ()
+		{
+			IO (Decode16, SIO_GPIO_IO0, SIO_GPIO_IO0, 0x01, 0x01)
+			IO (Decode16, SIO_GPIO_IO1, SIO_GPIO_IO1, 0x08, 0x08)
+		})
+	}
+#endif
+
+#ifdef SIO_ENABLE_COM1
+	Device (COM1) {
+		Name (_HID, EISAID ("PNP0501"))
+		Name (_UID, 1)
+
+		Method (_STA, 0, NotSerialized) {
+			Return (ISEN (SSP1))
+		}
+
+		Name (_CRS, ResourceTemplate ()
+		{
+			IO (Decode16, 0x03F8, 0x03F8, 0x08, 0x08)
+			IRQNoFlags () {4}
+		})
+
+		Name (_PRS, ResourceTemplate ()
+		{
+			IO (Decode16, 0x03F8, 0x03F8, 0x08, 0x08)
+			IRQNoFlags () {4}
+		})
+	}
+#endif
+
+#ifdef SIO_ENABLE_PS2K
+	Device (PS2K)		// Keyboard
+	{
+		Name (_HID, EISAID("PNP0303"))
+		Name (_CID, EISAID("PNP030B"))
+
+		Method (_STA, 0, NotSerialized) {
+			Return (ISEN (SKBC))
+		}
+
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x60, 0x60, 0x01, 0x01)
+			IO (Decode16, 0x64, 0x64, 0x01, 0x01)
+			IRQNoFlags () {1}
+		})
+
+		Name (_PRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x60, 0x60, 0x01, 0x01)
+			IO (Decode16, 0x64, 0x64, 0x01, 0x01)
+			IRQNoFlags () {1}
+		})
+	}
+#endif
+
+#ifdef SIO_ENABLE_PS2M
+	Device (PS2M)		// Mouse
+	{
+		Name (_HID, EISAID("PNP0F13"))
+
+		Method (_STA, 0, NotSerialized) {
+			Return (ISEN (SKBM))
+		}
+
+		Name (_CRS, ResourceTemplate()
+		{
+			IRQNoFlags () {12}
+		})
+
+		Name (_PRS, ResourceTemplate()
+		{
+			IRQNoFlags () {12}
+		})
+	}
+#endif
+
+#ifdef SIO_ENABLE_FDC0
+	Device (FDC0)		// Floppy controller
+	{
+		Name (_HID, EISAID ("PNP0700"))
+
+		Method (_STA, 0, NotSerialized) {
+			Return (ISEN (SFDC))
+		}
+
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x03F0, 0x03F0, 0x01, 0x06)
+			IO (Decode16, 0x03F7, 0x03F7, 0x01, 0x01)
+			IRQNoFlags () {6}
+			DMA (Compatibility, NotBusMaster, Transfer8) {2}
+		})
+
+		Name (_PRS, ResourceTemplate()
+		{
+			IO (Decode16, 0x03F0, 0x03F0, 0x01, 0x06)
+			IO (Decode16, 0x03F7, 0x03F7, 0x01, 0x01)
+			IRQNoFlags () {6}
+			DMA (Compatibility, NotBusMaster, Transfer8) {2}
+		})
+	}
+#endif
+
+#ifdef SIO_ENABLE_INFR
+	Device (INFR)		// Infrared controller
+	{
+		Name (_HID, EISAID ("PNP0510"))
+
+		Method (_STA, 0, NotSerialized) {
+			Return (ISEN (SINF))
+		}
+
+		Name (_CRS, ResourceTemplate()
+		{
+			IO (Decode16, SIO_INFR_IO0, SIO_INFR_IO0, 0x08, 0x08)
+			IRQNoFlags () { SIO_INFR_IRQ }
+		})
+
+		Name (_PRS, ResourceTemplate()
+		{
+			IO (Decode16, SIO_INFR_IO0, SIO_INFR_IO0, 0x08, 0x08)
+			IRQNoFlags () { SIO_INFR_IRQ }
+		})
+	}
+#endif
+}
diff --git a/src/superio/smsc/sio1007/early_serial.c b/src/superio/smsc/sio1007/early_serial.c
new file mode 100644
index 0000000000..859e351765
--- /dev/null
+++ b/src/superio/smsc/sio1007/early_serial.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 The ChromiumOS Authors.  All rights reserved.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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
+ */
+
+/*
+ * The chip could be bootstrap mapped to one of four LPC addresses:
+ * 0x2e, 0x4e, 0x162e, and 0x164e.
+ */
+const u16 sio1007_lpc_ports[] = {0x2e, 0x4e, 0x162e, 0x164e};
+
+static void sio1007_setreg(u16 lpc_port, u8 reg, u8 value, u8 mask)
+{
+	u8 reg_value;
+
+	outb(reg, lpc_port);
+	reg_value = inb(lpc_port + 1);
+	reg_value &= ~mask;
+	reg_value |= (value & mask);
+	outb(reg_value, lpc_port + 1);
+}
+
+static int sio1007_enable_uart_at(u16 port)
+{
+	/* Enable config mode. */
+	outb(0x55, port);
+	if (inb(port) != 0x55)
+		return 0; /* There is no LPC device at this address. */
+
+	/* Registers 12 and 13 hold config address, look for a match. */
+	outb(0x12, port);
+	if (inb(port + 1) != (port & 0xff))
+		return 0;
+
+	outb(0x13, port);
+	if (inb(port + 1) != (port >> 8))
+		return 0;
+
+	/* This must be the sio1007, enable the UART. */
+	/* turn on power */
+	sio1007_setreg(port, 0x2, 1 << 3, 1 << 3);
+	/* enable high speed */
+	sio1007_setreg(port, 0xc, 1 << 6, 1 << 6);
+	/* set the base address */
+	sio1007_setreg(port, 0x24, CONFIG_TTYS0_BASE >> 2, 0xff);
+
+	/* Disable config mode. */
+	outb(0xaa, port);
+	return 1;
+}