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diff --git a/src/gfx/init_gu1.c b/src/gfx/init_gu1.c
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+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nsc/gfx/init_gu1.c,v 1.1 2002/12/10 15:12:27 alanh Exp $ */
+/*
+ * $Workfile: init_gu1.c $
+ *
+ * This file contains routines used in the initialization of Geode-family 
+ * processors.
+ *
+ * NSC_LIC_ALTERNATIVE_PREAMBLE
+ *
+ * Revision 1.0
+ *
+ * National Semiconductor Alternative GPL-BSD License
+ *
+ * National Semiconductor Corporation licenses this software 
+ * ("Software"):
+ *
+ *      Durango
+ *
+ * under one of the two following licenses, depending on how the 
+ * Software is received by the Licensee.
+ * 
+ * If this Software is received as part of the Linux Framebuffer or
+ * other GPL licensed software, then the GPL license designated 
+ * NSC_LIC_GPL applies to this Software; in all other circumstances 
+ * then the BSD-style license designated NSC_LIC_BSD shall apply.
+ *
+ * END_NSC_LIC_ALTERNATIVE_PREAMBLE */
+
+/* NSC_LIC_BSD
+ *
+ * National Semiconductor Corporation Open Source License for Durango
+ *
+ * (BSD License with Export Notice)
+ *
+ * Copyright (c) 1999-2001
+ * National Semiconductor Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ *   * Redistributions of source code must retain the above copyright 
+ *     notice, this list of conditions and the following disclaimer. 
+ *
+ *   * Redistributions in binary form must reproduce the above 
+ *     copyright notice, this list of conditions and the following 
+ *     disclaimer in the documentation and/or other materials provided 
+ *     with the distribution. 
+ *
+ *   * Neither the name of the National Semiconductor Corporation nor 
+ *     the names of its contributors may be used to endorse or promote 
+ *     products derived from this software without specific prior 
+ *     written permission. 
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
+ * NATIONAL SEMICONDUCTOR CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY 
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE,
+ * INTELLECTUAL PROPERTY INFRINGEMENT, OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF 
+ * YOUR JURISDICTION. It is licensee's responsibility to comply with 
+ * any export regulations applicable in licensee's jurisdiction. Under 
+ * CURRENT (2001) U.S. export regulations this software 
+ * is eligible for export from the U.S. and can be downloaded by or 
+ * otherwise exported or reexported worldwide EXCEPT to U.S. embargoed 
+ * destinations which include Cuba, Iraq, Libya, North Korea, Iran, 
+ * Syria, Sudan, Afghanistan and any other country to which the U.S. 
+ * has embargoed goods and services. 
+ *
+ * END_NSC_LIC_BSD */
+
+/* NSC_LIC_GPL
+ *
+ * National Semiconductor Corporation Gnu General Public License for Durango
+ *
+ * (GPL License with Export Notice)
+ *
+ * Copyright (c) 1999-2001
+ * National Semiconductor Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted 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  
+ *
+ * In addition to the terms of the GNU General Public License, neither 
+ * the name of the National Semiconductor Corporation nor the names of 
+ * its contributors may be used to endorse or promote products derived 
+ * from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
+ * NATIONAL SEMICONDUCTOR CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY 
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE, 
+ * INTELLECTUAL PROPERTY INFRINGEMENT, OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE. See the GNU General Public License for more details. 
+ *
+ * EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF 
+ * YOUR JURISDICTION. It is licensee's responsibility to comply with 
+ * any export regulations applicable in licensee's jurisdiction. Under 
+ * CURRENT (2001) U.S. export regulations this software 
+ * is eligible for export from the U.S. and can be downloaded by or 
+ * otherwise exported or reexported worldwide EXCEPT to U.S. embargoed 
+ * destinations which include Cuba, Iraq, Libya, North Korea, Iran, 
+ * Syria, Sudan, Afghanistan and any other country to which the U.S. 
+ * has embargoed goods and services. 
+ *
+ * You should have received a copy of the GNU General Public License 
+ * along with this file; if not, write to the Free Software Foundation, 
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
+ *
+ * END_NSC_LIC_GPL */
+
+unsigned char gfx_gxm_config_read(unsigned char index);
+unsigned long gu1_get_core_freq(void);
+unsigned long gu1_detect_cpu(void);
+unsigned long gu1_detect_video(void);
+unsigned long gu1_get_cpu_register_base(void);
+unsigned long gu1_get_graphics_register_base(void);
+unsigned long gu1_get_frame_buffer_base(void);
+unsigned long gu1_get_frame_buffer_size(void);
+unsigned long gu1_get_vid_register_base(void);
+unsigned long gu1_get_vip_register_base(void);
+
+/*-----------------------------------------------------------------------------
+ * gfx_gxm_config_read
+ *
+ * This routine reads the value of the specified GXm configuration register.
+ *-----------------------------------------------------------------------------
+ */
+unsigned char
+gfx_gxm_config_read(unsigned char index)
+{
+   unsigned char value = 0xFF;
+   unsigned char lock;
+
+   OUTB(0x22, GXM_CONFIG_CCR3);
+   lock = INB(0x23);
+   OUTB(0x22, GXM_CONFIG_CCR3);
+   OUTB(0x23, (unsigned char)(lock | 0x10));
+   OUTB(0x22, index);
+   value = INB(0x23);
+   OUTB(0x22, GXM_CONFIG_CCR3);
+   OUTB(0x23, lock);
+   return (value);
+}
+
+/*-----------------------------------------------------------------------------
+ * gfx_get_core_freq
+ *
+ * This routine returns the core clock frequency of a GXm if valid jumper settings are
+ * detected; 0 if not. It assumes that a 33.3 MHz PCI clock is being used. 
+ *-----------------------------------------------------------------------------
+ */
+#if GFX_INIT_DYNAMIC
+unsigned long
+gu1_get_core_freq(void)
+#else
+unsigned long
+gfx_get_core_freq(void)
+#endif
+{
+   unsigned char dir0, dir1;
+
+   dir0 = gfx_gxm_config_read(GXM_CONFIG_DIR0) & 0x0F;
+   dir1 = gfx_gxm_config_read(GXM_CONFIG_DIR1);
+
+   /* REVISION 4.0 AND UP */
+
+   if (dir1 >= 0x50) {
+      switch (dir0) {
+      case 0:
+      case 2:
+	 return 133;
+
+      case 5:
+	 return 166;
+      case 3:
+	 return 200;
+      case 6:
+	 return 233;
+      case 7:
+	 return 266;
+      case 4:
+	 return 300;
+      case 1:
+	 return 333;
+      default:
+	 return (0);
+      }
+   } else {
+      switch (dir0) {
+      case 0:
+      case 2:
+	 return 133;
+
+      case 7:
+	 return 166;
+
+      case 1:
+      case 3:
+	 return 200;
+
+      case 4:
+      case 6:
+	 return 233;
+
+      case 5:
+	 return 266;
+      default:
+	 return (0);
+      }
+   }
+   return (0);
+}
+
+/*-----------------------------------------------------------------------------
+ * gfx_get_cpu_register_base
+ * 
+ * This routine returns the base address for graphics registers.
+ *-----------------------------------------------------------------------------
+ */
+#if GFX_INIT_DYNAMIC
+unsigned long
+gu1_get_cpu_register_base(void)
+#else
+unsigned long
+gfx_get_cpu_register_base(void)
+#endif
+{
+   unsigned long base;
+
+   base = (unsigned long)gfx_gxm_config_read(GXM_CONFIG_GCR);
+   base = (base & 0x03) << 30;
+   return (base);
+}
+
+/*-----------------------------------------------------------------------------
+ * gfx_get_frame_buffer_base
+ * 
+ * This routine returns the base address for graphics memory.  This is an 
+ * offset of 0x00800000 from the base address specified in the GCR register.
+ *
+ * The function returns zero if the GCR indicates the graphics subsystem
+ * is disabled.
+ *-----------------------------------------------------------------------------
+ */
+#if GFX_INIT_DYNAMIC
+unsigned long
+gu1_get_frame_buffer_base(void)
+#else
+unsigned long
+gfx_get_frame_buffer_base(void)
+#endif
+{
+   unsigned long base;
+
+   base = (unsigned long)gfx_gxm_config_read(GXM_CONFIG_GCR);
+   base = (base & 0x03) << 30;
+   if (base)
+      base |= 0x00800000;
+   return (base);
+}
+
+/*-----------------------------------------------------------------------------
+ * gfx_get_frame_buffer_size
+ * 
+ * This routine returns the total size of graphics memory, in bytes.
+ *
+ * Currently this routine is hardcoded to return 2 Meg.
+ *-----------------------------------------------------------------------------
+ */
+#if GFX_INIT_DYNAMIC
+unsigned long
+gu1_get_frame_buffer_size(void)
+#else
+unsigned long
+gfx_get_frame_buffer_size(void)
+#endif
+{
+#if FB4MB
+   return (0x00400000);
+#else
+   return (0x00200000);
+#endif
+}
+
+/*-----------------------------------------------------------------------------
+ * gfx_get_vid_register_base
+ * 
+ * This routine returns the base address for the video hardware.  It assumes
+ * an offset of 0x00010000 from the base address specified by the GCR.
+ *
+ * The function returns zero if the GCR indicates the graphics subsystem
+ * is disabled.
+ *-----------------------------------------------------------------------------
+ */
+#if GFX_INIT_DYNAMIC
+unsigned long
+gu1_get_vid_register_base(void)
+#else
+unsigned long
+gfx_get_vid_register_base(void)
+#endif
+{
+   unsigned long base;
+
+   base = (unsigned long)gfx_gxm_config_read(GXM_CONFIG_GCR);
+   base = (base & 0x03) << 30;
+   if (base)
+      base |= 0x00010000;
+   return (base);
+}
+
+/*-----------------------------------------------------------------------------
+ * gfx_get_vip_register_base
+ * 
+ * This routine returns the base address for the VIP hardware.  This is 
+ * only applicable to the SC1200, for which this routine assumes an offset 
+ * of 0x00015000 from the base address specified by the GCR.
+ *
+ * The function returns zero if the GCR indicates the graphics subsystem
+ * is disabled.
+ *-----------------------------------------------------------------------------
+ */
+#if GFX_INIT_DYNAMIC
+unsigned long
+gu1_get_vip_register_base(void)
+#else
+unsigned long
+gfx_get_vip_register_base(void)
+#endif
+{
+   unsigned long base = 0;
+
+   if ((gfx_cpu_version & 0xFF) == GFX_CPU_SC1200) {
+      base = (unsigned long)gfx_gxm_config_read(GXM_CONFIG_GCR);
+      base = (base & 0x03) << 30;
+      if (base)
+	 base |= 0x00015000;
+   }
+   return (base);
+}
+
+/* END OF FILE */