1
/* linux/arch/arm/mach-exynos4/dma.c
3
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
4
* http://www.samsung.com
6
* Copyright (C) 2010 Samsung Electronics Co. Ltd.
7
* Jaswinder Singh <jassi.brar@samsung.com>
9
* This program is free software; you can redistribute it and/or modify
10
* it under the terms of the GNU General Public License as published by
11
* the Free Software Foundation; either version 2 of the License, or
12
* (at your option) any later version.
14
* This program is distributed in the hope that it will be useful,
15
* but WITHOUT ANY WARRANTY; without even the implied warranty of
16
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17
* GNU General Public License for more details.
19
* You should have received a copy of the GNU General Public License
20
* along with this program; if not, write to the Free Software
21
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24
#include <linux/dma-mapping.h>
25
#include <linux/amba/bus.h>
26
#include <linux/amba/pl330.h>
29
#include <plat/devs.h>
30
#include <plat/irqs.h>
33
#include <mach/irqs.h>
36
static u64 dma_dmamask = DMA_BIT_MASK(32);
38
struct dma_pl330_peri pdma0_peri[28] = {
40
.peri_id = (u8)DMACH_PCM0_RX,
43
.peri_id = (u8)DMACH_PCM0_TX,
46
.peri_id = (u8)DMACH_PCM2_RX,
49
.peri_id = (u8)DMACH_PCM2_TX,
52
.peri_id = (u8)DMACH_MSM_REQ0,
54
.peri_id = (u8)DMACH_MSM_REQ2,
56
.peri_id = (u8)DMACH_SPI0_RX,
59
.peri_id = (u8)DMACH_SPI0_TX,
62
.peri_id = (u8)DMACH_SPI2_RX,
65
.peri_id = (u8)DMACH_SPI2_TX,
68
.peri_id = (u8)DMACH_I2S0S_TX,
71
.peri_id = (u8)DMACH_I2S0_RX,
74
.peri_id = (u8)DMACH_I2S0_TX,
77
.peri_id = (u8)DMACH_UART0_RX,
80
.peri_id = (u8)DMACH_UART0_TX,
83
.peri_id = (u8)DMACH_UART2_RX,
86
.peri_id = (u8)DMACH_UART2_TX,
89
.peri_id = (u8)DMACH_UART4_RX,
92
.peri_id = (u8)DMACH_UART4_TX,
95
.peri_id = (u8)DMACH_SLIMBUS0_RX,
98
.peri_id = (u8)DMACH_SLIMBUS0_TX,
101
.peri_id = (u8)DMACH_SLIMBUS2_RX,
104
.peri_id = (u8)DMACH_SLIMBUS2_TX,
107
.peri_id = (u8)DMACH_SLIMBUS4_RX,
110
.peri_id = (u8)DMACH_SLIMBUS4_TX,
113
.peri_id = (u8)DMACH_AC97_MICIN,
116
.peri_id = (u8)DMACH_AC97_PCMIN,
119
.peri_id = (u8)DMACH_AC97_PCMOUT,
124
struct dma_pl330_platdata exynos4_pdma0_pdata = {
125
.nr_valid_peri = ARRAY_SIZE(pdma0_peri),
129
struct amba_device exynos4_device_pdma0 = {
131
.init_name = "dma-pl330.0",
132
.dma_mask = &dma_dmamask,
133
.coherent_dma_mask = DMA_BIT_MASK(32),
134
.platform_data = &exynos4_pdma0_pdata,
137
.start = EXYNOS4_PA_PDMA0,
138
.end = EXYNOS4_PA_PDMA0 + SZ_4K,
139
.flags = IORESOURCE_MEM,
141
.irq = {IRQ_PDMA0, NO_IRQ},
142
.periphid = 0x00041330,
145
struct dma_pl330_peri pdma1_peri[25] = {
147
.peri_id = (u8)DMACH_PCM0_RX,
150
.peri_id = (u8)DMACH_PCM0_TX,
153
.peri_id = (u8)DMACH_PCM1_RX,
156
.peri_id = (u8)DMACH_PCM1_TX,
159
.peri_id = (u8)DMACH_MSM_REQ1,
161
.peri_id = (u8)DMACH_MSM_REQ3,
163
.peri_id = (u8)DMACH_SPI1_RX,
166
.peri_id = (u8)DMACH_SPI1_TX,
169
.peri_id = (u8)DMACH_I2S0S_TX,
172
.peri_id = (u8)DMACH_I2S0_RX,
175
.peri_id = (u8)DMACH_I2S0_TX,
178
.peri_id = (u8)DMACH_I2S1_RX,
181
.peri_id = (u8)DMACH_I2S1_TX,
184
.peri_id = (u8)DMACH_UART0_RX,
187
.peri_id = (u8)DMACH_UART0_TX,
190
.peri_id = (u8)DMACH_UART1_RX,
193
.peri_id = (u8)DMACH_UART1_TX,
196
.peri_id = (u8)DMACH_UART3_RX,
199
.peri_id = (u8)DMACH_UART3_TX,
202
.peri_id = (u8)DMACH_SLIMBUS1_RX,
205
.peri_id = (u8)DMACH_SLIMBUS1_TX,
208
.peri_id = (u8)DMACH_SLIMBUS3_RX,
211
.peri_id = (u8)DMACH_SLIMBUS3_TX,
214
.peri_id = (u8)DMACH_SLIMBUS5_RX,
217
.peri_id = (u8)DMACH_SLIMBUS5_TX,
222
struct dma_pl330_platdata exynos4_pdma1_pdata = {
223
.nr_valid_peri = ARRAY_SIZE(pdma1_peri),
227
struct amba_device exynos4_device_pdma1 = {
229
.init_name = "dma-pl330.1",
230
.dma_mask = &dma_dmamask,
231
.coherent_dma_mask = DMA_BIT_MASK(32),
232
.platform_data = &exynos4_pdma1_pdata,
235
.start = EXYNOS4_PA_PDMA1,
236
.end = EXYNOS4_PA_PDMA1 + SZ_4K,
237
.flags = IORESOURCE_MEM,
239
.irq = {IRQ_PDMA1, NO_IRQ},
240
.periphid = 0x00041330,
243
static int __init exynos4_dma_init(void)
245
amba_device_register(&exynos4_device_pdma0, &iomem_resource);
246
amba_device_register(&exynos4_device_pdma1, &iomem_resource);
250
arch_initcall(exynos4_dma_init);