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975b71bc10
Make sure that when we setup the stack before calling s_init() we have the stack have 8-byte alignment for ABI compliance. Tested-by: Allen Martin <amartin@nvidia.com> Signed-off-by: Tom Rini <trini@ti.com>
52 lines
1.4 KiB
ArmAsm
52 lines
1.4 KiB
ArmAsm
/*
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* A lowlevel_init function that sets up the stack to call a C function to
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* perform further init.
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*
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* (C) Copyright 2010
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* Texas Instruments, <www.ti.com>
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*
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* Author :
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* Aneesh V <aneesh@ti.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <asm-offsets.h>
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#include <config.h>
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#include <linux/linkage.h>
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ENTRY(lowlevel_init)
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/*
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* Setup a temporary stack
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*/
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ldr sp, =CONFIG_SYS_INIT_SP_ADDR
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bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
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/*
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* Save the old lr(passed in ip) and the current lr to stack
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*/
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push {ip, lr}
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/*
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* go setup pll, mux, memory
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*/
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bl s_init
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pop {ip, pc}
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ENDPROC(lowlevel_init)
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