rockbox/bootloader/sansa_as3525.c
Rafaël Carré b3ee07c22e Sansav2 : initializes SDRAM
The AS3525 SoC ships with an ARM PL172 MPMC controller
Also correct the memory sizes in tools/configure

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18899 a1c6a512-1295-4272-9138-f99709370657
2008-10-28 11:24:29 +00:00

73 lines
2.2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Rafaël Carré
*
* Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
* and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <system.h>
#include <inttypes.h>
#include "lcd.h"
#include "common.h"
#include "config.h"
#include "as3525-codec.h"
int show_logo(void);
void main(void)
{
int i;
unsigned char buf[8];
system_init();
lcd_init_device();
lcd_clear_display();
lcd_update();
#ifdef HAVE_LCD_ENABLE
lcd_enable(true);
#endif
show_logo();
/* show player id to demonstrate communication with codec part */
as3525_codec_init();
for (i = 0; i < 8; i++) {
buf[i] = as3525_codec_read(0x38 + i);
}
printf("ID: %02X%02X%02X%02X%02X%02X%02X%02X", buf[7], buf[6], buf[5], buf[4], buf[3], buf[2], buf[1], buf[0]);
#ifdef SANSA_CLIP
/* Use hardware scrolling */
lcd_write_command(0x26); /* scroll setup */
lcd_write_command(0x01); /* columns scrolled per step */
lcd_write_command(0x00); /* start page */
lcd_write_command(0x00); /* steps freqency */
lcd_write_command(0x07); /* end page (including) */
lcd_write_command(0x2F); /* start horizontal scrolling */
#endif
/* never returns */
while(1) ;
}