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Patch by Rafaël Carré - Sansa AMS i2c :

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* remove peripheral reset (already made in system_init).
  * Move empty i2c_init() from i2c-as3525.c (and remove that file)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20645 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken 2009-04-07 17:20:31 +00:00
parent 9ab84b073f
commit 070ee525ac
3 changed files with 5 additions and 34 deletions
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1
firmware/SOURCES
View file

@ -366,7 +366,6 @@ target/arm/adc-as3514.c
target/arm/as3525/audio-as3525.c target/arm/as3525/audio-as3525.c
target/arm/as3525/debug-as3525.c target/arm/as3525/debug-as3525.c
target/arm/as3525/fmradio-i2c-as3525.c target/arm/as3525/fmradio-i2c-as3525.c
target/arm/as3525/i2c-as3525.c
target/arm/as3525/i2s-as3525.c target/arm/as3525/i2s-as3525.c
target/arm/as3525/pcm-as3525.c target/arm/as3525/pcm-as3525.c
#endif /* BOOTLOADER */ #endif /* BOOTLOADER */

10
firmware/target/arm/as3525/ascodec-as3525.c
View file

@ -41,6 +41,7 @@
#include "clock-target.h" #include "clock-target.h"
#include "kernel.h" #include "kernel.h"
#include "as3525.h" #include "as3525.h"
#include "i2c.h"
#define I2C2_DATA *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x00)) #define I2C2_DATA *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x00))
#define I2C2_SLAD0 *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x04)) #define I2C2_SLAD0 *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x04))
@ -57,14 +58,13 @@
static struct mutex as_mtx SHAREDBSS_ATTR; static struct mutex as_mtx SHAREDBSS_ATTR;
void i2c_init(void)
{
}
/* initialises the internal i2c bus and prepares for transfers to the codec */ /* initialises the internal i2c bus and prepares for transfers to the codec */
void ascodec_init(void) void ascodec_init(void)
{ {
/* reset device */
CCU_SRC = CCU_SRC_I2C_AUDIO_EN;
CCU_SRL = CCU_SRL_MAGIC_NUMBER;
CCU_SRL = 0;
/* enable clock */ /* enable clock */
CGU_PERI |= CGU_I2C_AUDIO_MASTER_CLOCK_ENABLE; CGU_PERI |= CGU_I2C_AUDIO_MASTER_CLOCK_ENABLE;

28
firmware/target/arm/as3525/i2c-as3525.c
View file

@ -1,28 +0,0 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright © 2008 Rafaël Carré
*
* 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 "i2c.h"
/* TODO */
void i2c_init(void)
{
}