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/*
* U-boot - u-boot.lds.S
*
* Copyright (c) 2005-2008 Analog Device Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* 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
*/
#include <config.h>
#include <asm/blackfin.h>
#undef ALIGN
#undef ENTRY
#undef bfin
#ifndef LDS_BOARD_TEXT
# define LDS_BOARD_TEXT
#endif
/* If we don't actually load anything into L1 data, this will avoid
* a syntax error. If we do actually load something into L1 data,
* we'll get a linker memory load error (which is what we'd want).
* This is here in the first place so we can quickly test building
* for different CPU's which may lack non-cache L1 data.
*/
#ifndef L1_DATA_B_SRAM
# define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE
# define L1_DATA_B_SRAM_SIZE 0
#endif
/* The 0xC offset is so we don't clobber the tiny LDR jump block. */
#ifdef CONFIG_BFIN_BOOTROM_USES_EVT1
# define L1_CODE_ORIGIN L1_INST_SRAM
#else
# define L1_CODE_ORIGIN L1_INST_SRAM + 0xC
#endif
OUTPUT_ARCH(bfin)
MEMORY
{
#if CONFIG_MEM_SIZE
ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN
# define ram_code ram
# define ram_data ram
#else
# define ram_code l1_code
# define ram_data l1_data
#endif
l1_code : ORIGIN = L1_CODE_ORIGIN, LENGTH = L1_INST_SRAM_SIZE
l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
}
ENTRY(_start)
SECTIONS
{
.text.pre :
{
cpu/blackfin/start.o (.text .text.*)
LDS_BOARD_TEXT
} >ram_code
.text.init :
{
cpu/blackfin/initcode.o (.text .text.*)
} >ram_code
__initcode_lma = LOADADDR(.text.init);
__initcode_len = SIZEOF(.text.init);
.text :
{
*(.text .text.*)
} >ram_code
.rodata :
{
. = ALIGN(4);
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
*(.eh_frame)
. = ALIGN(4);
} >ram_data
.data :
{
. = ALIGN(256);
*(.data .data.*)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
} >ram_data
.u_boot_cmd :
{
___u_boot_cmd_start = .;
*(.u_boot_cmd)
___u_boot_cmd_end = .;
} >ram_data
.text_l1 :
{
. = ALIGN(4);
__stext_l1 = .;
*(.l1.text)
. = ALIGN(4);
__etext_l1 = .;
} >l1_code AT>ram_code
__text_l1_lma = LOADADDR(.text_l1);
__text_l1_len = SIZEOF(.text_l1);
ASSERT (__text_l1_len <= L1_INST_SRAM_SIZE, "L1 text overflow!")
.data_l1 :
{
. = ALIGN(4);
__sdata_l1 = .;
*(.l1.data)
*(.l1.bss)
. = ALIGN(4);
__edata_l1 = .;
} >l1_data AT>ram_data
__data_l1_lma = LOADADDR(.data_l1);
__data_l1_len = SIZEOF(.data_l1);
ASSERT (__data_l1_len <= L1_DATA_B_SRAM_SIZE, "L1 data B overflow!")
.bss :
{
. = ALIGN(4);
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss .bss.*)
*(COMMON)
} >ram_data
__bss_vma = ADDR(.bss);
__bss_len = SIZEOF(.bss);
}
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