8bde7f776c
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
96 lines
2.0 KiB
ArmAsm
96 lines
2.0 KiB
ArmAsm
/*
|
|
* Memory Setup stuff - taken from ???
|
|
*
|
|
* 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 */
|
|
|
|
SYSCON1: .long 0x80000100
|
|
SYSCON2: .long 0x80001100
|
|
SYSCON3: .long 0x80002200
|
|
MEMCFG1: .long 0x80000180
|
|
MEMCFG2: .long 0x800001C0
|
|
SDCONF: .long 0x80002300
|
|
SDRFPR: .long 0x80002340
|
|
|
|
syscon1_val: .long 0x00040100
|
|
syscon2_val: .long 0x00000102
|
|
syscon3_val: .long 0x0000020E
|
|
memcfg1_val: .long 0x1f101710
|
|
memcfg2_mask: .long 0x0000ffff @ only set lower 16 bits
|
|
memcfg2_val: .long 0x00001f13 @ upper 16 bits are reserved for CS7 + CS6
|
|
sdrfpr_val: .long 0x00000240
|
|
sdconf_val: .long 0x00000522
|
|
/* setting up the memory */
|
|
|
|
.globl memsetup
|
|
memsetup:
|
|
/*
|
|
* SYSCON1-3
|
|
*/
|
|
ldr r0, SYSCON1
|
|
ldr r1, syscon1_val
|
|
str r1, [r0]
|
|
|
|
ldr r0, SYSCON2
|
|
ldr r1, syscon2_val
|
|
str r1, [r0]
|
|
|
|
ldr r0, SYSCON3
|
|
ldr r1, syscon3_val
|
|
str r1, [r0]
|
|
|
|
/*
|
|
* MEMCFG1
|
|
*/
|
|
ldr r0, MEMCFG1
|
|
ldr r1, memcfg1_val
|
|
str r1, [r0]
|
|
|
|
/*
|
|
* MEMCFG2
|
|
*/
|
|
ldr r0, MEMCFG2
|
|
ldr r2, [r0]
|
|
ldr r1, memcfg2_mask
|
|
bic r2, r2, r1
|
|
ldr r1, memcfg2_val
|
|
orr r2, r2, r1
|
|
str r2, [r0]
|
|
|
|
/*
|
|
* SDRFPR,SDCONF
|
|
*/
|
|
ldr r0, SDCONF
|
|
ldr r1, sdconf_val
|
|
str r1, [r0]
|
|
|
|
ldr r0, SDRFPR
|
|
ldr r1, sdrfpr_val
|
|
str r1, [r0]
|
|
|
|
/* everything is fine now */
|
|
mov pc, lr
|