1727e47d2e
Squashed commit of the following:
Author: Gregory Nutt <gnutt@nuttx.org>
Many small changes related to coding style.
Author: Petro Karashchenko <petro.karashchenko@gmail.com>
configs/beaglebone-black: Adds initial support for the BeagleBone Black board.
arch/arm/src/am335x: Adds initial support for the TI AM355x family.
139 lines
3.8 KiB
Plaintext
139 lines
3.8 KiB
Plaintext
/****************************************************************************
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* configs/beaglebone-black/scripts/sdram.ld
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*
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* Copyright (C) 2018 Petro Karashchenko. All rights reserved.
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* Author: Petro Karashchenko <petro.karashchenko@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/* The Beaglebone Black and 512MB of SDRAM beginning at virtual address
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* 0x8000:0000. Execution begins at address 0x8a00000, leaving 352MB for NuttX.
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*
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* Vectors in low memory are assumed and 16KB of OCMC0 is reserved at the
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* high end of OCMC0 for the page table.
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*/
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MEMORY
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{
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isram (W!RX) : ORIGIN = 0x402F0400, LENGTH = 63K
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ocmc0 (W!RX) : ORIGIN = 0x40300000, LENGTH = 64K -16K
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ddr (W!RX) : ORIGIN = 0x8a000000, LENGTH = 512M - 160M
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}
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(entry)
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ENTRY(_stext)
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SECTIONS
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{
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.text :
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{
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_stext = ABSOLUTE(.);
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*(.vectors)
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*(.text .text.*)
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*(.fixup)
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*(.gnu.warning)
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*(.rodata .rodata.*)
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*(.gnu.linkonce.t.*)
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*(.glue_7)
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*(.glue_7t)
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*(.got)
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*(.gcc_except_table)
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*(.gnu.linkonce.r.*)
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*(.ARM.extab*)
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*(.gnu.linkonce.armextab.*)
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_etext = ABSOLUTE(.);
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} > ddr
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.init_section :
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{
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_sinit = ABSOLUTE(.);
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*(.init_array .init_array.*)
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_einit = ABSOLUTE(.);
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} > ddr
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.ARM.extab :
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{
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*(.ARM.extab*)
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} > ddr
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/* .ARM.exidx is sorted, so has to go in its own output section. */
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PROVIDE_HIDDEN (__exidx_start = .);
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.ARM.exidx :
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{
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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} > ddr
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PROVIDE_HIDDEN (__exidx_end = .);
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.data :
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{
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_sdata = ABSOLUTE(.);
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*(.data .data.*)
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*(.gnu.linkonce.d.*)
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CONSTRUCTORS
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_edata = ABSOLUTE(.);
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} > ddr
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.bss :
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{
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_sbss = ABSOLUTE(.);
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*(.bss .bss.*)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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_ebss = ABSOLUTE(.);
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} > ddr
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/* Uninitialized data */
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.noinit :
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{
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_snoinit = ABSOLUTE(.);
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*(.noinit*)
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_enoinit = ABSOLUTE(.);
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} > ddr
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_info 0 : { *(.debug_info) }
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.debug_line 0 : { *(.debug_line) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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.debug_aranges 0 : { *(.debug_aranges) }
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}
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