u-boot-brain/arch/powerpc/cpu/mpc85xx/u-boot-spl.lds
Prabhakar Kushwaha 49efe85b35 powerpc/mpc85xx: Avoid hardcoding in SPL linker script
SPL linker has fix location of bootpg and reset vector with respect to text base.
It is not necessary to have fixed locations.

Avoid such hardcoding.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2014-04-22 17:58:50 -07:00

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/*
* (C) Copyright 2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de
*
* Copyright 2009 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "config.h" /* CONFIG_BOARDDIR */
OUTPUT_ARCH(powerpc)
#ifdef CONFIG_SYS_MPC85XX_NO_RESETVEC
PHDRS
{
text PT_LOAD;
bss PT_LOAD;
}
#endif
SECTIONS
{
. = CONFIG_SPL_TEXT_BASE;
.text : {
*(.text*)
}
_etext = .;
.reloc : {
_GOT2_TABLE_ = .;
KEEP(*(.got2))
KEEP(*(.got))
PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
_FIXUP_TABLE_ = .;
KEEP(*(.fixup))
}
__got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1;
__fixup_entries = (. - _FIXUP_TABLE_) >> 2;
. = ALIGN(8);
.data : {
*(.rodata*)
*(.data*)
*(.sdata*)
}
_edata = .;
. = ALIGN(4);
.u_boot_list : {
KEEP(*(SORT(.u_boot_list*)));
}
. = .;
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(8);
__init_begin = .;
__init_end = .;
/* For ifc, elbc, esdhc, espi, all need the SPL without section .resetvec */
#ifdef CONFIG_SYS_MPC85XX_NO_RESETVEC
.bootpg ADDR(.text) - 0x1000 :
{
KEEP(*(.bootpg))
} :text = 0xffff
#else
#if defined(CONFIG_FSL_IFC) /* Restrict bootpg at 4K boundry for IFC */
#ifndef BOOT_PAGE_OFFSET
#define BOOT_PAGE_OFFSET 0x1000
#endif
.bootpg ADDR(.text) + BOOT_PAGE_OFFSET :
{
arch/powerpc/cpu/mpc85xx/start.o (.bootpg)
}
#ifndef RESET_VECTOR_OFFSET
#define RESET_VECTOR_OFFSET 0x1ffc /* IFC has 8K sram */
#endif
#elif defined(CONFIG_FSL_ELBC)
#define RESET_VECTOR_OFFSET 0xffc /* LBC has 4k sram */
#else
#error unknown NAND controller
#endif
.resetvec ADDR(.text) + RESET_VECTOR_OFFSET : {
KEEP(*(.resetvec))
} = 0xffff
#endif
/*
* Make sure that the bss segment isn't linked at 0x0, otherwise its
* address won't be updated during relocation fixups.
*/
. |= 0x10;
. = ALIGN(4);
__bss_start = .;
.bss : {
*(.sbss*)
*(.bss*)
}
. = ALIGN(4);
__bss_end = .;
}