summaryrefslogtreecommitdiff
path: root/board/sc520_cdp/u-boot.lds
diff options
context:
space:
mode:
authorwdenk <wdenk>2002-11-18 00:14:45 +0000
committerwdenk <wdenk>2002-11-18 00:14:45 +0000
commit2262cfeef91458b01a1bfe3812ccbbfdf8b82807 (patch)
tree3657d48c8ce9089fc96682848859d035a1e8f115 /board/sc520_cdp/u-boot.lds
parent1d0350ed0b1b0f63e3fb5db6b19397b84a2ea1c7 (diff)
downloadu-boot-imx-2262cfeef91458b01a1bfe3812ccbbfdf8b82807.zip
u-boot-imx-2262cfeef91458b01a1bfe3812ccbbfdf8b82807.tar.gz
u-boot-imx-2262cfeef91458b01a1bfe3812ccbbfdf8b82807.tar.bz2
* 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
Diffstat (limited to 'board/sc520_cdp/u-boot.lds')
-rw-r--r--board/sc520_cdp/u-boot.lds85
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) );
+}