epia-m support

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1655 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/superio/via/vt1211/Config.lb

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+config chip.h
+object vt1211.o

src/superio/via/vt1211/chip.h

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+#ifndef _SUPERIO_VIA_VT1211
+#define _SUPERIO_VIA_VT1211
+
+extern struct chip_control superio_via_vt1211_control;
+
+struct superio_via_vt1211_config {
+	/* PCI function enables */
+	/* i.e. so that pci scan bus will find them. */
+	/* I am putting in IDE as an example but obviously this needs
+	 * to be more complete!
+	 */
+	/* enables of functions of devices */
+	int enable_com_ports;
+	int enable_fdc;
+	int enable_lpt;
+	int enable_hwmon;
+};
+
+#endif /* _SUPERIO_VIA_VT1211 */

src/superio/via/vt1211/vt1211.c

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+/*
+ * (C) Copyright 2004 Nick Barker <nick.barker9@btinternet.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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+ /* vt1211 routines and defines*/
+
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/pci_ids.h>
+#include <device/chip.h>
+#include <console/console.h>
+#include "vt1211.h"
+#include "chip.h"
+
+
+static unsigned char vt1211hwmonitorinits[]={
+ 0x10,0x3, 0x11,0x10, 0x12,0xd, 0x13,0x7f,
+ 0x14,0x21, 0x15,0x81, 0x16,0xbd, 0x17,0x8a,
+ 0x18,0x0, 0x19,0x0, 0x1a,0x0, 0x1b,0x0,
+ 0x1d,0xff, 0x1e,0x0, 0x1f,0x73, 0x20,0x67,
+ 0x21,0xc1, 0x22,0xca, 0x23,0x74, 0x24,0xc2,
+ 0x25,0xc7, 0x26,0xc9, 0x27,0x7f, 0x29,0x0,
+ 0x2a,0x0, 0x2b,0xff, 0x2c,0x0, 0x2d,0xff,
+ 0x2e,0x0, 0x2f,0xff, 0x30,0x0, 0x31,0xff,
+ 0x32,0x0, 0x33,0xff, 0x34,0x0, 0x39,0xff,
+ 0x3a,0x0, 0x3b,0xff, 0x3c,0xff, 0x3d,0xff,
+ 0x3e,0x0, 0x3f,0xb0, 0x43,0xff, 0x44,0xff,
+ 0x46,0xff, 0x47,0x50, 0x4a,0x3, 0x4b,0xc0,
+ 0x4c,0x0, 0x4d,0x0, 0x4e,0xf, 0x5d,0x77,
+ 0x5c,0x0, 0x5f,0x33, 0x40,0x1};
+
+static void start_conf_pnp(int dev)
+{
+	outb(0x87,0x2e);
+	outb(0x87,0x2e);
+	outb(7,0x2e);
+	outb(dev,0x2f);
+}
+static void write_pnp(int reg, int val)
+{
+	outb(reg,0x2e);
+	outb(val,0x2f);
+}
+static void end_conf_pnp()
+{
+	outb(0xaa,0x2e);
+}
+
+static void vt1211_init(struct superio_via_vt1211_config *conf)
+{
+
+	int i;
+ 	// Activate the vt1211 hardware monitor
+	if(conf->enable_hwmon){
+		start_conf_pnp(0x0b);
+		write_pnp(0x60,0xec); 
+		write_pnp(0x30,1);
+		end_conf_pnp();
+
+	 	// initialize vt1211 hardware monitor registers, which are at 0xECXX
+ 		for(i=0;i<sizeof(vt1211hwmonitorinits);i+=2)
+ 			outb(vt1211hwmonitorinits[i+1],0xec00+vt1211hwmonitorinits[i]);
+	}
+	if( conf->enable_fdc){
+		// activate FDC
+		start_conf_pnp(0); // fdc is device 0
+		write_pnp(0x60,0xfc); // io address
+		write_pnp(0x70,0x06); // interupt
+		write_pnp(0x74,0x02); // dma
+		write_pnp(0x30,0x01); // activate it
+		end_conf_pnp();
+	}	
+
+	if( conf->enable_com_ports ){
+		// activate com2
+		start_conf_pnp(3);
+		write_pnp(0x60,0xbe);
+		write_pnp(0x70,0x3);
+		write_pnp(0xf0,0x02);
+		write_pnp(0x30,0x01);
+		end_conf_pnp();
+	}
+
+	if( conf->enable_lpt ){
+		// activate lpt
+		start_conf_pnp(1);
+		write_pnp(0x60,0xde);
+		write_pnp(0x70,0x07);
+		write_pnp(0x74,0x3);
+		write_pnp(0x30,0x01);
+		end_conf_pnp();
+	}
+
+}
+
+static void superio_init(struct chip *chip, enum chip_pass pass)
+{
+
+	struct superio_via_vt1211_config *conf = 
+		(struct superio_via_vt1211_config *)chip->chip_info;
+
+	switch (pass) {
+	case CONF_PASS_PRE_PCI:
+		break;
+		
+	case CONF_PASS_POST_PCI:
+		vt1211_init(conf);
+		break;
+
+	case CONF_PASS_PRE_BOOT:
+		break;
+		
+	default:
+		/* nothing yet */
+		break;
+	}
+}
+
+static void enumerate(struct chip *chip)
+{
+	extern struct device_operations default_pci_ops_bus;
+	chip_enumerate(chip);
+	chip->dev->ops = &default_pci_ops_bus;
+}
+
+struct chip_control superio_via_vt1211_control = {
+	.enumerate = enumerate,
+	.enable    = superio_init,
+	.name      = "VIA vt1211"
+};

src/superio/via/vt1211/vt1211.h

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+/*
+ * (C) Copyright 2004 Nick Barker <nick.barker9@btinternet.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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+ /* vt1211 routines and defines*/
+