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| author | wdenk <wdenk> | 2005-04-02 23:52:25 +0000 | 
|---|---|---|
| committer | wdenk <wdenk> | 2005-04-02 23:52:25 +0000 | 
| commit | 400558b561e2bdb47f87b96b3510dda0881a3662 (patch) | |
| tree | 479fa3918e0031a95cdac9468cb8396e1f1a9b60 /board/lart/lowlevel_init.S | |
| parent | 414eec35e3832f4f9ce8a25ace7ead638be1f76f (diff) | |
| download | olio-uboot-2014.01-400558b561e2bdb47f87b96b3510dda0881a3662.tar.xz olio-uboot-2014.01-400558b561e2bdb47f87b96b3510dda0881a3662.zip | |
Prepare for SoC rework of ARM code:
- rename CONFIG_BOOTBINFUNC into  CONFIG_INIT_CRITICAL
- rename memsetup into lowlevel_init (function name and source files)
Diffstat (limited to 'board/lart/lowlevel_init.S')
| -rw-r--r-- | board/lart/lowlevel_init.S | 94 | 
1 files changed, 94 insertions, 0 deletions
| diff --git a/board/lart/lowlevel_init.S b/board/lart/lowlevel_init.S new file mode 100644 index 000000000..db9fd63de --- /dev/null +++ b/board/lart/lowlevel_init.S @@ -0,0 +1,94 @@ +/* + * Memory Setup stuff - taken from blob memsetup.S + * + * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and + *                     Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) + * + * 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 <version.h> + + +/* some parameters for the board */ + +MEM_BASE:	.long	0xa0000000 +MEM_START:	.long	0xc0000000 + +#define	MDCNFG	0x00 +#define MDCAS0	0x04 +#define MDCAS1	0x08 +#define MDCAS2	0x0c +#define MSC0	0x10 +#define MSC1	0x14 +#define MECR	0x18 + +mdcas0:		.long	0xc71c703f +mdcas1:		.long	0xffc71c71 +mdcas2:		.long	0xffffffff +/* mdcnfg:		.long   0x0bb2bcbf */ +mdcnfg:		.long	0x0334b22f	@ alt +/* mcs0:		.long   0xfff8fff8 */ +msc0:		.long	0xad8c4888	@ alt +mecr:		.long	0x00060006 +/* mecr:		.long	0x994a994a	@ alt */ + +/* setting up the memory */ + +.globl lowlevel_init +lowlevel_init: +	ldr	r0, MEM_BASE + +	/* Setup the flash memory */ +	ldr	r1, msc0 +	str	r1, [r0, #MSC0] + +	/* Set up the DRAM */ + +	/* MDCAS0 */ +	ldr	r1, mdcas0 +	str	r1, [r0, #MDCAS0] + +	/* MDCAS1 */ +	ldr	r1, mdcas1 +	str	r1, [r0, #MDCAS1] + +	/* MDCAS2 */ +	ldr	r1, mdcas2 +	str	r1, [r0, #MDCAS2] + +	/* MDCNFG */ +	ldr	r1, mdcnfg +	str	r1, [r0, #MDCNFG] + +	/* Set up PCMCIA space */ +	ldr	r1, mecr +	str	r1, [r0, #MECR] + +	/* Load something to activate bank */ +	ldr	r1, MEM_START + +.rept	8 +	ldr	r0, [r1] +.endr + +	/* everything is fine now */ +	mov	pc, lr |