Add initial support for the Intel 82810 northbridge.

Signed-off-by: Corey Osgood <corey.osgood@gmail.com>
Acked-by: Joseph Smith <joe@smittys.pointclark.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2720 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 59 insertions, 0 deletions

diff --git a/src/northbridge/intel/i82810/i82810.h b/src/northbridge/intel/i82810/i82810.h
new file mode 100644
index 0000000000..0b406cead4
--- /dev/null
+++ b/src/northbridge/intel/i82810/i82810.h
@@ -0,0 +1,59 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Corey Osgood <corey@slightlyhackish.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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/*
+ * Datasheet:
+ *   - Name: Intel 810 Chipset:
+ *           82810/82810-DC100 Graphics and Memory Controller Hub (GMCH)
+ *   - URL: http://www.intel.com/design/chipsets/datashts/290656.htm
+ *   - PDF: ftp://download.intel.com/design/chipsets/datashts/29065602.pdf
+ *   - Order Number: 290656-002
+ */
+
+/*
+ * PCI Configuration Registers.
+ *
+ * Any addresses between 0x00 and 0xff not listed below are reserved and
+ * should not be touched.
+ */
+
+#define VID	0x00 /* Vendor Identification   */
+#define DID	0x02 /* Device Identification   */
+#define PCICMD	0x04 /* PCI Command Register    */
+#define PCISTS	0x06 /* PCI Status Register     */
+#define RID	0x08 /* Revision Identification */
+#define SUBC	0x0a /* Sub-Class Code          */
+#define BCC	0x0b /* Base Class Code         */
+#define MLT	0x0d /* Master Latency Timer    */
+#define HDR	0x0e /* Header Type             */
+#define SVID	0x2c /* Subsystem Vendor Identification  */
+#define SID	0x2e /* Subsystem Identification         */
+#define CAPPTR	0x34 /* Capabilities Pointer             */
+
+/* TODO: Descriptions  */
+#define GMCHCFG	0x50
+#define PAM	0x51
+#define DRP	0x52
+#define DRAMT	0x53
+#define FDHC	0x58
+#define SMRAM	0x70 /* System Management RAM Control */
+#define MISSC	0x72
+#define MISSC2	0x80
+#define BUFF_SC	0x92