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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2014 by Cástor Muñoz
*
* 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 <config.h>
#include "s5l8702.h"
#include "pl080.h"
#include "dma-s5l8702.h"
/* s5l8702 PL080 controllers configuration */
struct dmac s5l8702_dmac0 = {
.baddr = S5L8702_DMAC0_BASE,
.m1 = DMACCONFIG_M_LITTLE_ENDIAN,
.m2 = DMACCONFIG_M_LITTLE_ENDIAN,
};
struct dmac s5l8702_dmac1 = {
.baddr = S5L8702_DMAC1_BASE,
.m1 = DMACCONFIG_M_LITTLE_ENDIAN,
.m2 = DMACCONFIG_M_LITTLE_ENDIAN,
};
void ICODE_ATTR INT_DMAC0(void)
{
dmac_callback(&s5l8702_dmac0);
}
void ICODE_ATTR INT_DMAC1(void)
{
dmac_callback(&s5l8702_dmac1);
}
void dma_init_ctrl(struct dmac* dmac, int irq, int clockgate, int onoff)
{
/* init DMAC */
VIC0INTENCLEAR = (1 << irq); /* disable interrupts */
PWRCON(0) &= ~(1 << clockgate); /* unmask clock gate */
dmac_open(dmac); /* init/reset controller */
if (onoff)
VIC0INTENABLE = (1 << irq); /* enable interrupts */
else
PWRCON(0) |= (1 << clockgate); /* mask clockgate */
}
void dma_init(void)
{
dma_init_ctrl(&s5l8702_dmac0, IRQ_DMAC0, CLOCKGATE_DMAC0, 1);
dma_init_ctrl(&s5l8702_dmac1, IRQ_DMAC1, CLOCKGATE_DMAC1, 0);
}
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