* Patch by Daniel Engström, 13 Nov 2002:

  Add support for i386 architecture and AMD SC520 board

* Patch by Pierre Aubert, 12 Nov 2002:
  Add support for DOS filesystem and booting from DOS floppy disk

1 files changed, 85 insertions, 0 deletions

diff --git a/board/sc520_cdp/u-boot.lds b/board/sc520_cdp/u-boot.lds
new file mode 100644
index 0000000..ac8d3db
--- /dev/null
+++ b/board/sc520_cdp/u-boot.lds
@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH(i386)
+ENTRY(_start)
+
+SECTIONS
+{	
+	. = 0x387e0000;                     /* Where bootcode in the flash is mapped */
+	.text  : { *(.text); }
+	
+        . = ALIGN(4);
+        .rodata : { *(.rodata) }
+
+        . = 0x400000; 	                    /* Ram data segment to use */
+	_i386boot_romdata_dest = ABSOLUTE(.);
+        .data : AT ( LOADADDR(.rodata) + SIZEOF(.rodata) ) { *(.data) }
+	_i386boot_romdata_start = LOADADDR(.data); 	
+
+        . = ALIGN(4);
+        .got : AT ( LOADADDR(.data) + SIZEOF(.data) ) { *(.got) }
+	_i386boot_romdata_size = SIZEOF(.data) + SIZEOF(.got); 	
+
+
+        . = ALIGN(4);
+	_i386boot_bss_start = ABSOLUTE(.);
+        .bss : { *(.bss) }	
+	_i386boot_bss_size = SIZEOF(.bss);
+	
+	
+	/* 16bit realmode trampoline code */
+	.realmode 0x7c0 : AT ( LOADADDR(.got) + SIZEOF(.got) ) { *(.realmode) }
+    
+	_i386boot_realmode = LOADADDR(.realmode);
+	_i386boot_realmode_size = SIZEOF(.realmode);
+	
+	/* 16bit BIOS emulation code (just enough to boot Linux) */
+	.bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { *(.bios) }
+    
+	_i386boot_bios = LOADADDR(.bios);
+	_i386boot_bios_size = SIZEOF(.bios);
+	
+
+	/* The load addresses below assumes that the flash
+	 * will be mapped so that 0x387f0000 == 0xffff0000
+	 * at reset time
+	 *
+	 * The fe00 and ff00 offsets of the start32 and start16 
+	 * segments are arbitrary, the just have to be mapped
+	 * at reset and the code have to fit.
+	 * The fff0 offset of reset is important, however.
+	 */
+	 
+	 
+	. = 0xfffffe00;
+	.start32 : AT (0x387ffe00) { *(.start32); } 
+	
+	. = 0xff00;
+	.start16 : AT (0x387fff00) { *(.start16); }  
+	
+	. = 0xfff0;
+	.reset : AT (0x387ffff0) { *(.reset); }  
+	_i386boot_end = (LOADADDR(.reset) + SIZEOF(.reset) );
+}