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/* linux/arch/arm/mach-s5p64x0/dma.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Copyright (C) 2010 Samsung Electronics Co. Ltd.
* Jaswinder Singh <jassi.brar@samsung.com>
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/dma-mapping.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl330.h>
#include <asm/irq.h>
#include <mach/map.h>
#include <mach/irqs.h>
#include <mach/regs-clock.h>
#include <mach/dma.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/irqs.h>
static u8 s5p6440_pdma_peri[] = {
DMACH_UART0_RX,
DMACH_UART0_TX,
DMACH_UART1_RX,
DMACH_UART1_TX,
DMACH_UART2_RX,
DMACH_UART2_TX,
DMACH_UART3_RX,
DMACH_UART3_TX,
DMACH_MAX,
DMACH_MAX,
DMACH_PCM0_TX,
DMACH_PCM0_RX,
DMACH_I2S0_TX,
DMACH_I2S0_RX,
DMACH_SPI0_TX,
DMACH_SPI0_RX,
DMACH_MAX,
DMACH_MAX,
DMACH_MAX,
DMACH_MAX,
DMACH_SPI1_TX,
DMACH_SPI1_RX,
};
static struct dma_pl330_platdata s5p6440_pdma_pdata = {
.nr_valid_peri = ARRAY_SIZE(s5p6440_pdma_peri),
.peri_id = s5p6440_pdma_peri,
};
static u8 s5p6450_pdma_peri[] = {
DMACH_UART0_RX,
DMACH_UART0_TX,
DMACH_UART1_RX,
DMACH_UART1_TX,
DMACH_UART2_RX,
DMACH_UART2_TX,
DMACH_UART3_RX,
DMACH_UART3_TX,
DMACH_UART4_RX,
DMACH_UART4_TX,
DMACH_PCM0_TX,
DMACH_PCM0_RX,
DMACH_I2S0_TX,
DMACH_I2S0_RX,
DMACH_SPI0_TX,
DMACH_SPI0_RX,
DMACH_PCM1_TX,
DMACH_PCM1_RX,
DMACH_PCM2_TX,
DMACH_PCM2_RX,
DMACH_SPI1_TX,
DMACH_SPI1_RX,
DMACH_USI_TX,
DMACH_USI_RX,
DMACH_MAX,
DMACH_I2S1_TX,
DMACH_I2S1_RX,
DMACH_I2S2_TX,
DMACH_I2S2_RX,
DMACH_PWM,
DMACH_UART5_RX,
DMACH_UART5_TX,
};
static struct dma_pl330_platdata s5p6450_pdma_pdata = {
.nr_valid_peri = ARRAY_SIZE(s5p6450_pdma_peri),
.peri_id = s5p6450_pdma_peri,
};
static AMBA_AHB_DEVICE(s5p64x0_pdma, "dma-pl330", 0x00041330,
S5P64X0_PA_PDMA, {IRQ_DMA0}, NULL);
static int __init s5p64x0_dma_init(void)
{
if (soc_is_s5p6450()) {
dma_cap_set(DMA_SLAVE, s5p6450_pdma_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, s5p6450_pdma_pdata.cap_mask);
s5p64x0_pdma_device.dev.platform_data = &s5p6450_pdma_pdata;
} else {
dma_cap_set(DMA_SLAVE, s5p6440_pdma_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, s5p6440_pdma_pdata.cap_mask);
s5p64x0_pdma_device.dev.platform_data = &s5p6440_pdma_pdata;
}
amba_device_register(&s5p64x0_pdma_device, &iomem_resource);
return 0;
}
arch_initcall(s5p64x0_dma_init);
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