1 files changed, 74 insertions, 0 deletions
diff --git a/cpu/amd/geode_lx/gplvsa_ii/lxvg/init.c b/cpu/amd/geode_lx/gplvsa_ii/lxvg/init.c
new file mode 100755
index 0000000..ad00a0a
--- /dev/null
+++ b/cpu/amd/geode_lx/gplvsa_ii/lxvg/init.c
@@ -0,0 +1,74 @@
+/*
+* Copyright (c) 2007-2008 Advanced Micro Devices,Inc. ("AMD").
+*
+* This library is free software; you can redistribute it and/or modify
+* it under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of the
+* License, or (at your option) any later version.
+*
+* This code 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
+* Lesser General Public License for more details.
+
+* You should have received a copy of the GNU Lesser General
+* Public License along with this library; if not, write to the
+* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+* Boston, MA 02111-1307 USA
+*/
+// This module performs LXVG initialization.
+
+
+#include "lxvg.h"
+#include "vsa2.h"
+#include "pci.h"
+#include "vr.h"
+
+
+//---------------------------------------------------------------------------
+// lxvg_initialize
+//
+// This routine initializes LXVG.  This is the routine called when
+// VG_CONFIG virtual register is written the first time.
+//---------------------------------------------------------------------------
+
+void lxvg_initialize(unsigned short init_parms)
+{
+	int index;
+	unsigned char *ptr;
+
+	// CLEAR THE ENTIRE LXVG DATA STRUCTURE TO ZERO - This is a tedious loop
+
+	ptr = (unsigned char *) &VGdata;
+	for (index = 0; index < sizeof(VGdata); index++)
+		*ptr++ = 0;
+
+	// Start with virtual registers = 0
+	for (index = 0; index < MAX_VG+1; index++)
+	{
+		if (index != VG_CONFIG)
+		{
+			vReg[index] = 0;
+		}
+	}
+
+	// DEVICE DEPENDENT INITIALIZATION
+	// -------------------------------
+	// This MUST be done first.	 The routine handles all of the MBUS related
+	// initialization and determines various register and base address values
+	// that get used during later initialization.
+	hw_initialize(init_parms);
+
+	// If we haven't initialized because of error, just leave...
+	if (VGState & SF_DISABLED) return;
+
+
+	// LXVG is operating strictly as a secondary controller
+	VGState |= SF_DRIVER_ENABLED;
+
+	// Disable the graphics system in the PCI header command register
+	WRITE_PCI_BYTE(vga_config_addr+0x04, 0);
+	return;
+}
+
+// END OF FILE