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-rw-r--r--arch/arm/mach-s5pv310/dma.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv310/dma.c b/arch/arm/mach-s5pv310/dma.c
new file mode 100644
index 000000000000..20066c7c9e56
--- /dev/null
+++ b/arch/arm/mach-s5pv310/dma.c
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1/*
2 * Copyright (C) 2010 Samsung Electronics Co. Ltd.
3 * Jaswinder Singh <jassi.brar@samsung.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20#include <linux/platform_device.h>
21#include <linux/dma-mapping.h>
22
23#include <plat/devs.h>
24#include <plat/irqs.h>
25
26#include <mach/map.h>
27#include <mach/irqs.h>
28
29#include <plat/s3c-pl330-pdata.h>
30
31static u64 dma_dmamask = DMA_BIT_MASK(32);
32
33static struct resource s5pv310_pdma0_resource[] = {
34 [0] = {
35 .start = S5PV310_PA_PDMA0,
36 .end = S5PV310_PA_PDMA0 + SZ_4K,
37 .flags = IORESOURCE_MEM,
38 },
39 [1] = {
40 .start = IRQ_PDMA0,
41 .end = IRQ_PDMA0,
42 .flags = IORESOURCE_IRQ,
43 },
44};
45
46static struct s3c_pl330_platdata s5pv310_pdma0_pdata = {
47 .peri = {
48 [0] = DMACH_PCM0_RX,
49 [1] = DMACH_PCM0_TX,
50 [2] = DMACH_PCM2_RX,
51 [3] = DMACH_PCM2_TX,
52 [4] = DMACH_MSM_REQ0,
53 [5] = DMACH_MSM_REQ2,
54 [6] = DMACH_SPI0_RX,
55 [7] = DMACH_SPI0_TX,
56 [8] = DMACH_SPI2_RX,
57 [9] = DMACH_SPI2_TX,
58 [10] = DMACH_I2S0S_TX,
59 [11] = DMACH_I2S0_RX,
60 [12] = DMACH_I2S0_TX,
61 [13] = DMACH_I2S2_RX,
62 [14] = DMACH_I2S2_TX,
63 [15] = DMACH_UART0_RX,
64 [16] = DMACH_UART0_TX,
65 [17] = DMACH_UART2_RX,
66 [18] = DMACH_UART2_TX,
67 [19] = DMACH_UART4_RX,
68 [20] = DMACH_UART4_TX,
69 [21] = DMACH_SLIMBUS0_RX,
70 [22] = DMACH_SLIMBUS0_TX,
71 [23] = DMACH_SLIMBUS2_RX,
72 [24] = DMACH_SLIMBUS2_TX,
73 [25] = DMACH_SLIMBUS4_RX,
74 [26] = DMACH_SLIMBUS4_TX,
75 [27] = DMACH_AC97_MICIN,
76 [28] = DMACH_AC97_PCMIN,
77 [29] = DMACH_AC97_PCMOUT,
78 [30] = DMACH_MAX,
79 [31] = DMACH_MAX,
80 },
81};
82
83static struct platform_device s5pv310_device_pdma0 = {
84 .name = "s3c-pl330",
85 .id = 0,
86 .num_resources = ARRAY_SIZE(s5pv310_pdma0_resource),
87 .resource = s5pv310_pdma0_resource,
88 .dev = {
89 .dma_mask = &dma_dmamask,
90 .coherent_dma_mask = DMA_BIT_MASK(32),
91 .platform_data = &s5pv310_pdma0_pdata,
92 },
93};
94
95static struct resource s5pv310_pdma1_resource[] = {
96 [0] = {
97 .start = S5PV310_PA_PDMA1,
98 .end = S5PV310_PA_PDMA1 + SZ_4K,
99 .flags = IORESOURCE_MEM,
100 },
101 [1] = {
102 .start = IRQ_PDMA1,
103 .end = IRQ_PDMA1,
104 .flags = IORESOURCE_IRQ,
105 },
106};
107
108static struct s3c_pl330_platdata s5pv310_pdma1_pdata = {
109 .peri = {
110 [0] = DMACH_PCM0_RX,
111 [1] = DMACH_PCM0_TX,
112 [2] = DMACH_PCM1_RX,
113 [3] = DMACH_PCM1_TX,
114 [4] = DMACH_MSM_REQ1,
115 [5] = DMACH_MSM_REQ3,
116 [6] = DMACH_SPI1_RX,
117 [7] = DMACH_SPI1_TX,
118 [8] = DMACH_I2S0S_TX,
119 [9] = DMACH_I2S0_RX,
120 [10] = DMACH_I2S0_TX,
121 [11] = DMACH_I2S1_RX,
122 [12] = DMACH_I2S1_TX,
123 [13] = DMACH_UART0_RX,
124 [14] = DMACH_UART0_TX,
125 [15] = DMACH_UART1_RX,
126 [16] = DMACH_UART1_TX,
127 [17] = DMACH_UART3_RX,
128 [18] = DMACH_UART3_TX,
129 [19] = DMACH_SLIMBUS1_RX,
130 [20] = DMACH_SLIMBUS1_TX,
131 [21] = DMACH_SLIMBUS3_RX,
132 [22] = DMACH_SLIMBUS3_TX,
133 [23] = DMACH_SLIMBUS5_RX,
134 [24] = DMACH_SLIMBUS5_TX,
135 [25] = DMACH_SLIMBUS0AUX_RX,
136 [26] = DMACH_SLIMBUS0AUX_TX,
137 [27] = DMACH_SPDIF,
138 [28] = DMACH_MAX,
139 [29] = DMACH_MAX,
140 [30] = DMACH_MAX,
141 [31] = DMACH_MAX,
142 },
143};
144
145static struct platform_device s5pv310_device_pdma1 = {
146 .name = "s3c-pl330",
147 .id = 1,
148 .num_resources = ARRAY_SIZE(s5pv310_pdma1_resource),
149 .resource = s5pv310_pdma1_resource,
150 .dev = {
151 .dma_mask = &dma_dmamask,
152 .coherent_dma_mask = DMA_BIT_MASK(32),
153 .platform_data = &s5pv310_pdma1_pdata,
154 },
155};
156
157static struct platform_device *s5pv310_dmacs[] __initdata = {
158 &s5pv310_device_pdma0,
159 &s5pv310_device_pdma1,
160};
161
162static int __init s5pv310_dma_init(void)
163{
164 platform_add_devices(s5pv310_dmacs, ARRAY_SIZE(s5pv310_dmacs));
165
166 return 0;
167}
168arch_initcall(s5pv310_dma_init);