incubator-nuttx/boards/arm/imx6/sabre-6quad/scripts/dramboot.ld

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/****************************************************************************
* boards/arm/imx6/sabre-6quad/scripts/dramboot.ld
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/* The i.MX6 has 256 KB of OCRAM beginning at virtual address 0x0090:0000
* This memory configuration, however, loads into the 1GB DDR3 on board
* the Sabre 6Quad K which lies at 0x1000:0000. Code is positioned at
* 0x10800000 which the standard load address of Linux when used with uBoot.
*
* Vectors in low memory are assumed and 16KB of OCRAM is reserved at the
* high end of OCRAM for the page table.
*/
MEMORY
{
oscram (W!RX) : ORIGIN = 0x00900000, LENGTH = 256K - 16K
ddr3 (W!RX) : ORIGIN = 0x10800000, LENGTH = 1024M - 8M
}
ENTRY(entry)
ENTRY(_stext)
SECTIONS
{
.text :
{
_stext = ABSOLUTE(.);
*(.vectors)
*(.text .text.*)
*(.fixup)
*(.gnu.warning)
*(.rodata .rodata.*)
*(.gnu.linkonce.t.*)
*(.glue_7)
*(.glue_7t)
*(.got)
*(.gcc_except_table)
*(.gnu.linkonce.r.*)
*(.ARM.extab*)
*(.gnu.linkonce.armextab.*)
_etext = ABSOLUTE(.);
} > ddr3
.init_section :
{
_sinit = ABSOLUTE(.);
KEEP(*(.init_array .init_array.*))
_einit = ABSOLUTE(.);
} > ddr3
.ARM.extab :
{
*(.ARM.extab*)
} > ddr3
/* .ARM.exidx is sorted, so has to go in its own output section. */
PROVIDE_HIDDEN (__exidx_start = .);
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} > ddr3
PROVIDE_HIDDEN (__exidx_end = .);
/* Uninitialized data */
.data :
{
_sdata = ABSOLUTE(.);
*(.data .data.*)
*(.gnu.linkonce.d.*)
CONSTRUCTORS
. = ALIGN(4);
_edata = ABSOLUTE(.);
} > ddr3
.bss :
{
_sbss = ABSOLUTE(.);
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(4);
_ebss = ABSOLUTE(.);
} > ddr3
.noinit :
{
_snoinit = ABSOLUTE(.);
*(.noinit*)
_enoinit = ABSOLUTE(.);
} > ddr3
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_info 0 : { *(.debug_info) }
.debug_line 0 : { *(.debug_line) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_aranges 0 : { *(.debug_aranges) }
}