69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2014 by Cástor Muñoz
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <config.h>
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#include "s5l8702.h"
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#include "pl080.h"
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#include "dma-s5l8702.h"
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/* s5l8702 PL080 controllers configuration */
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struct dmac s5l8702_dmac0 = {
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.baddr = S5L8702_DMAC0_BASE,
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.m1 = DMACCONFIG_M_LITTLE_ENDIAN,
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.m2 = DMACCONFIG_M_LITTLE_ENDIAN,
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};
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struct dmac s5l8702_dmac1 = {
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.baddr = S5L8702_DMAC1_BASE,
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.m1 = DMACCONFIG_M_LITTLE_ENDIAN,
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.m2 = DMACCONFIG_M_LITTLE_ENDIAN,
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};
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void ICODE_ATTR INT_DMAC0(void)
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{
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dmac_callback(&s5l8702_dmac0);
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}
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void ICODE_ATTR INT_DMAC1(void)
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{
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dmac_callback(&s5l8702_dmac1);
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}
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void dma_init_ctrl(struct dmac* dmac, int irq, int clockgate, int onoff)
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{
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/* init DMAC */
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VIC0INTENCLEAR = (1 << irq); /* disable interrupts */
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PWRCON(0) &= ~(1 << clockgate); /* unmask clock gate */
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dmac_open(dmac); /* init/reset controller */
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if (onoff)
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VIC0INTENABLE = (1 << irq); /* enable interrupts */
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else
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PWRCON(0) |= (1 << clockgate); /* mask clockgate */
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}
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void dma_init(void)
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{
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dma_init_ctrl(&s5l8702_dmac0, IRQ_DMAC0, CLOCKGATE_DMAC0, 1);
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dma_init_ctrl(&s5l8702_dmac1, IRQ_DMAC1, CLOCKGATE_DMAC1, 0);
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}
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