7c4cab7f40
With the 'struct dma_pl330_peri' removed, the platfrom data for dma driver can be simplified to a simple list of peripheral request ids. Cc: Jassi Brar <jassisinghbrar@gmail.com> Acked-by: Boojin Kim <boojin.kim@samsung.com> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
158 lines
3.5 KiB
C
158 lines
3.5 KiB
C
/* linux/arch/arm/mach-s5pc100/dma.c
|
|
*
|
|
* Copyright (c) 2011 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 <plat/devs.h>
|
|
#include <plat/irqs.h>
|
|
|
|
#include <mach/map.h>
|
|
#include <mach/irqs.h>
|
|
#include <mach/dma.h>
|
|
|
|
static u64 dma_dmamask = DMA_BIT_MASK(32);
|
|
|
|
u8 pdma0_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_IRDA,
|
|
DMACH_I2S0_RX,
|
|
DMACH_I2S0_TX,
|
|
DMACH_I2S0S_TX,
|
|
DMACH_I2S1_RX,
|
|
DMACH_I2S1_TX,
|
|
DMACH_I2S2_RX,
|
|
DMACH_I2S2_TX,
|
|
DMACH_SPI0_RX,
|
|
DMACH_SPI0_TX,
|
|
DMACH_SPI1_RX,
|
|
DMACH_SPI1_TX,
|
|
DMACH_SPI2_RX,
|
|
DMACH_SPI2_TX,
|
|
DMACH_AC97_MICIN,
|
|
DMACH_AC97_PCMIN,
|
|
DMACH_AC97_PCMOUT,
|
|
DMACH_EXTERNAL,
|
|
DMACH_PWM,
|
|
DMACH_SPDIF,
|
|
DMACH_HSI_RX,
|
|
DMACH_HSI_TX,
|
|
};
|
|
|
|
struct dma_pl330_platdata s5pc100_pdma0_pdata = {
|
|
.nr_valid_peri = ARRAY_SIZE(pdma0_peri),
|
|
.peri_id = pdma0_peri,
|
|
};
|
|
|
|
struct amba_device s5pc100_device_pdma0 = {
|
|
.dev = {
|
|
.init_name = "dma-pl330.0",
|
|
.dma_mask = &dma_dmamask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
.platform_data = &s5pc100_pdma0_pdata,
|
|
},
|
|
.res = {
|
|
.start = S5PC100_PA_PDMA0,
|
|
.end = S5PC100_PA_PDMA0 + SZ_4K,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
.irq = {IRQ_PDMA0, NO_IRQ},
|
|
.periphid = 0x00041330,
|
|
};
|
|
|
|
u8 pdma1_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_IRDA,
|
|
DMACH_I2S0_RX,
|
|
DMACH_I2S0_TX,
|
|
DMACH_I2S0S_TX,
|
|
DMACH_I2S1_RX,
|
|
DMACH_I2S1_TX,
|
|
DMACH_I2S2_RX,
|
|
DMACH_I2S2_TX,
|
|
DMACH_SPI0_RX,
|
|
DMACH_SPI0_TX,
|
|
DMACH_SPI1_RX,
|
|
DMACH_SPI1_TX,
|
|
DMACH_SPI2_RX,
|
|
DMACH_SPI2_TX,
|
|
DMACH_PCM0_RX,
|
|
DMACH_PCM0_TX,
|
|
DMACH_PCM1_RX,
|
|
DMACH_PCM1_TX,
|
|
DMACH_MSM_REQ0,
|
|
DMACH_MSM_REQ1,
|
|
DMACH_MSM_REQ2,
|
|
DMACH_MSM_REQ3,
|
|
};
|
|
|
|
struct dma_pl330_platdata s5pc100_pdma1_pdata = {
|
|
.nr_valid_peri = ARRAY_SIZE(pdma1_peri),
|
|
.peri_id = pdma1_peri,
|
|
};
|
|
|
|
struct amba_device s5pc100_device_pdma1 = {
|
|
.dev = {
|
|
.init_name = "dma-pl330.1",
|
|
.dma_mask = &dma_dmamask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
.platform_data = &s5pc100_pdma1_pdata,
|
|
},
|
|
.res = {
|
|
.start = S5PC100_PA_PDMA1,
|
|
.end = S5PC100_PA_PDMA1 + SZ_4K,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
.irq = {IRQ_PDMA1, NO_IRQ},
|
|
.periphid = 0x00041330,
|
|
};
|
|
|
|
static int __init s5pc100_dma_init(void)
|
|
{
|
|
dma_cap_set(DMA_SLAVE, s5pc100_pdma0_pdata.cap_mask);
|
|
dma_cap_set(DMA_CYCLIC, s5pc100_pdma0_pdata.cap_mask);
|
|
amba_device_register(&s5pc100_device_pdma0, &iomem_resource);
|
|
|
|
dma_cap_set(DMA_SLAVE, s5pc100_pdma1_pdata.cap_mask);
|
|
dma_cap_set(DMA_CYCLIC, s5pc100_pdma1_pdata.cap_mask);
|
|
amba_device_register(&s5pc100_device_pdma1, &iomem_resource);
|
|
|
|
return 0;
|
|
}
|
|
arch_initcall(s5pc100_dma_init);
|