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-rw-r--r--src/superio/intel/i3100/i3100.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/src/superio/intel/i3100/i3100.h b/src/superio/intel/i3100/i3100.h
index 0619735e2a..5fe8e086e7 100644
--- a/src/superio/intel/i3100/i3100.h
+++ b/src/superio/intel/i3100/i3100.h
@@ -18,11 +18,30 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-/* Datasheet: http://www.intel.com/design/intarch/datashts/313458.htm */
+/*
+ * Datasheet:
+ * - Name: Intel 3100 Chipset
+ * - URL: http://www.intel.com/design/intarch/datashts/313458.htm
+ * - PDF: http://download.intel.com/design/intarch/datashts/31345803.pdf
+ * - Revision / Date: 007, October 2008
+ * - Order number: 313458-007US
+ */
#ifndef SUPERIO_INTEL_I3100_I3100_H
#define SUPERIO_INTEL_I3100_I3100_H
+/*
+ * The SIW ("Serial I/O and Watchdog Timer") integrated into the i3100 is
+ * very similar to a Super I/O, both in functionality and config mechanism.
+ *
+ * The SIW contains:
+ * - UART(s)
+ * - Serial interrupt controller
+ * - Watchdog timer (WDT)
+ * - LPC interface
+ */
+
+/* Logical device numbers (LDNs). */
#define I3100_SP1 0x04 /* Com1 */
#define I3100_SP2 0x05 /* Com2 */
#define I3100_WDT 0x06 /* Watchdog timer */