/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id $ * * Copyright (C) 2006,2007 by Marcoen Hirschberg * * All files in this archive are subject to the GNU General Public License. * See the file COPYING in the source tree root for full license agreement. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/#include "config.h"#include "cpu.h"#include "kernel.h"#include "thread.h"#include "system.h"#include "power.h"#include "panic.h"#include "pcf50606.h"#include "ata-target.h"#include "mmu-imx31.h"#include "backlight-target.h"#define INTERRUPT_PENDING (*(volatile long*)0x43F8C024)#define DMA_PENDING (1 << 3)#define CONTROLLER_IDLE (1 << 4)#define ATA_RST (1 << 6)void ata_reset(void){ ATA_CONTROL &= ~ATA_RST; sleep(1); ATA_CONTROL |= ATA_RST; sleep(1);}/* This function is called before enabling the USB bus */void ata_enable(bool on){ (void)on;}bool ata_is_coldstart(void){ return 0;}void ata_device_init(void){ bool reassert_dma_pending = false; if(ATA_CONTROL & DMA_PENDING) reassert_dma_pending = true; ATA_CONTROL &= ~DMA_PENDING; while(!(INTERRUPT_PENDING & CONTROLLER_IDLE)) sleep(1); /* Setup the timing for PIO mode */ /* TODO */ /* If DMA_PENDING was set before we changed the timings * we need to reset it, otherwise a DMA read will fail */ if(reassert_dma_pending) ATA_CONTROL |= DMA_PENDING;}#if !defined(BOOTLOADER)void copy_read_sectors(unsigned char* buf, int wordcount){ (void)buf; (void)wordcount;}#endif