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authorCorey Osgood <corey_osgood@verizon.net>2007-03-17 14:00:23 +0000
committerUwe Hermann <uwe@hermann-uwe.de>2007-03-17 14:00:23 +0000
commit36b601ca3cd46344f844b7ef8fb304958d4091ad (patch)
tree7a4f195ae957e2181647eaae4c1959cc92f74ef5 /src/southbridge/via/vt82c686/vt82c686.h
parent681d7887f4f166a970d690b7321ec88cc4d024a7 (diff)
Add initial pre-RAM serial output support for the VIA VT82C686(A/B)
southbridge (with integrated Super-I/O). Signed-off-by: Corey Osgood <corey_osgood@verizon.net> Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Corey Osgood <corey_osgood@verizon.net> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2571 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/via/vt82c686/vt82c686.h')
-rw-r--r--src/southbridge/via/vt82c686/vt82c686.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/southbridge/via/vt82c686/vt82c686.h b/src/southbridge/via/vt82c686/vt82c686.h
new file mode 100644
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+++ b/src/southbridge/via/vt82c686/vt82c686.h
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+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Corey Osgood <corey_osgood@verizon.net>
+ *
+ * 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
+ */
+
+/* Datasheets:
+ * Name: VT82C686A "Super South" South Bridge
+ * Link: http://www.datasheets.org.uk/datasheet.php?article=3510260
+ * Name: VT82C686B "Super South" South Bridge
+ * Link: http://www.datasheet4u.com/html/V/T/8/VT82C686B_VIA.pdf.html
+ */
+
+/* Super I/0 Configuration Registers. */
+/* Any registers not listed here are reserved. */
+#define VT82C686_SIO_DEV_ID 0xe0 /* Super-I/O Device ID */
+#define VT82C686_SIO_REV 0xe1 /* Super-I/O Device Revision */
+#define VT82C686_FS 0xe2 /* Function Select */
+#define VT82C686_FDC 0xe3 /* Floppy */
+#define VT82C686_PP 0xe6 /* Parallel Port */
+#define VT82C686_SP1 0xe7 /* Serial Port 1 */
+#define VT82C686_SP2 0xe8 /* Serial Port 2 */
+#define VT82C686_SP_CFG 0xee /* Serial Port Configuration */
+#define VT82C686_POWER 0xef /* Power Down Control */
+#define VT82C686_PP_CTRL 0xf0 /* Parallel Port Control */
+#define VT82C686_SP_CTRL 0xf1 /* Serial Port Control */
+#define VT82C686_FDC_CFG 0xf6 /* Floppy Controller Configuration */
+#define VT82C686_FDC_DC 0xf8 /* Floppy Drive Control */
+#define VT82C686_GPIO 0xfc /* General Purpose I/O */
+
+/* For reference, used PCI IDs and their names in pci_ids.h: */
+/*
+PCI_VENDOR_ID_VIA 0x1106
+PCI_DEVICE_ID_VIA_82C686 0x0686 // Function 0, PCI Config
+PCI_DEVICE_ID_VIA_82C586_1 0x0571 // Function 1, IDE Controller
+PCI_DEVICE_ID_VIA_82C586_2 0x3038 // Functions 2 & 3, USB Ports 0-1 & 2-3
+PCI_DEVICE_ID_VIA_82C586_3 0x3040 // Possible 2nd USB Controller?
+PCI_DEVICE_ID_VIA_82C686_4 0x3057 // Function 4, Power Management
+PCI_DEVICE_ID_VIA_82C686_5 0x3058 // Function 5, AC'97 Codec
+PCI_DEVICE_ID_VIA_82C686_6 0x3068 // Function 6, MC'97 Codec
+*/
+