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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/platform_device.h>
#include <linux/dma-mapping.h>
#include <mach/map.h>
#include <mach/irqs.h>
#include <mach/regs-clock.h>
#include <plat/devs.h>
#include <plat/s3c-pl330-pdata.h>
static u64 dma_dmamask = DMA_BIT_MASK(32);
static struct resource s5p64x0_pdma_resource[] = {
[0] = {
.start = S5P64X0_PA_PDMA,
.end = S5P64X0_PA_PDMA + SZ_4K,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DMA0,
.end = IRQ_DMA0,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c_pl330_platdata s5p6440_pdma_pdata = {
.peri = {
[0] = DMACH_UART0_RX,
[1] = DMACH_UART0_TX,
[2] = DMACH_UART1_RX,
[3] = DMACH_UART1_TX,
[4] = DMACH_UART2_RX,
[5] = DMACH_UART2_TX,
[6] = DMACH_UART3_RX,
[7] = DMACH_UART3_TX,
[8] = DMACH_MAX,
[9] = DMACH_MAX,
[10] = DMACH_PCM0_TX,
[11] = DMACH_PCM0_RX,
[12] = DMACH_I2S0_TX,
[13] = DMACH_I2S0_RX,
[14] = DMACH_SPI0_TX,
[15] = DMACH_SPI0_RX,
[16] = DMACH_MAX,
[17] = DMACH_MAX,
[18] = DMACH_MAX,
[19] = DMACH_MAX,
[20] = DMACH_SPI1_TX,
[21] = DMACH_SPI1_RX,
[22] = DMACH_MAX,
[23] = DMACH_MAX,
[24] = DMACH_MAX,
[25] = DMACH_MAX,
[26] = DMACH_MAX,
[27] = DMACH_MAX,
[28] = DMACH_MAX,
[29] = DMACH_PWM,
[30] = DMACH_MAX,
[31] = DMACH_MAX,
},
};
static struct s3c_pl330_platdata s5p6450_pdma_pdata = {
.peri = {
[0] = DMACH_UART0_RX,
[1] = DMACH_UART0_TX,
[2] = DMACH_UART1_RX,
[3] = DMACH_UART1_TX,
[4] = DMACH_UART2_RX,
[5] = DMACH_UART2_TX,
[6] = DMACH_UART3_RX,
[7] = DMACH_UART3_TX,
[8] = DMACH_UART4_RX,
[9] = DMACH_UART4_TX,
[10] = DMACH_PCM0_TX,
[11] = DMACH_PCM0_RX,
[12] = DMACH_I2S0_TX,
[13] = DMACH_I2S0_RX,
[14] = DMACH_SPI0_TX,
[15] = DMACH_SPI0_RX,
[16] = DMACH_PCM1_TX,
[17] = DMACH_PCM1_RX,
[18] = DMACH_PCM2_TX,
[19] = DMACH_PCM2_RX,
[20] = DMACH_SPI1_TX,
[21] = DMACH_SPI1_RX,
[22] = DMACH_USI_TX,
[23] = DMACH_USI_RX,
[24] = DMACH_MAX,
[25] = DMACH_I2S1_TX,
[26] = DMACH_I2S1_RX,
[27] = DMACH_I2S2_TX,
[28] = DMACH_I2S2_RX,
[29] = DMACH_PWM,
[30] = DMACH_UART5_RX,
[31] = DMACH_UART5_TX,
},
};
static struct platform_device s5p64x0_device_pdma = {
.name = "s3c-pl330",
.id = -1,
.num_resources = ARRAY_SIZE(s5p64x0_pdma_resource),
.resource = s5p64x0_pdma_resource,
.dev = {
.dma_mask = &dma_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static int __init s5p64x0_dma_init(void)
{
unsigned int id;
id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000;
if (id == 0x50000)
s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata;
else
s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata;
platform_device_register(&s5p64x0_device_pdma);
return 0;
}
arch_initcall(s5p64x0_dma_init);
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