diff options
Diffstat (limited to 'arch/arm/mach-s5p6442/dma.c')
-rw-r--r-- | arch/arm/mach-s5p6442/dma.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p6442/dma.c b/arch/arm/mach-s5p6442/dma.c new file mode 100644 index 000000000000..ad4f8704b93d --- /dev/null +++ b/arch/arm/mach-s5p6442/dma.c | |||
@@ -0,0 +1,105 @@ | |||
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 | |||
31 | static u64 dma_dmamask = DMA_BIT_MASK(32); | ||
32 | |||
33 | static struct resource s5p6442_pdma_resource[] = { | ||
34 | [0] = { | ||
35 | .start = S5P6442_PA_PDMA, | ||
36 | .end = S5P6442_PA_PDMA + SZ_4K, | ||
37 | .flags = IORESOURCE_MEM, | ||
38 | }, | ||
39 | [1] = { | ||
40 | .start = IRQ_PDMA, | ||
41 | .end = IRQ_PDMA, | ||
42 | .flags = IORESOURCE_IRQ, | ||
43 | }, | ||
44 | }; | ||
45 | |||
46 | static struct s3c_pl330_platdata s5p6442_pdma_pdata = { | ||
47 | .peri = { | ||
48 | [0] = DMACH_UART0_RX, | ||
49 | [1] = DMACH_UART0_TX, | ||
50 | [2] = DMACH_UART1_RX, | ||
51 | [3] = DMACH_UART1_TX, | ||
52 | [4] = DMACH_UART2_RX, | ||
53 | [5] = DMACH_UART2_TX, | ||
54 | [6] = DMACH_MAX, | ||
55 | [7] = DMACH_MAX, | ||
56 | [8] = DMACH_MAX, | ||
57 | [9] = DMACH_I2S0_RX, | ||
58 | [10] = DMACH_I2S0_TX, | ||
59 | [11] = DMACH_I2S0S_TX, | ||
60 | [12] = DMACH_I2S1_RX, | ||
61 | [13] = DMACH_I2S1_TX, | ||
62 | [14] = DMACH_MAX, | ||
63 | [15] = DMACH_MAX, | ||
64 | [16] = DMACH_SPI0_RX, | ||
65 | [17] = DMACH_SPI0_TX, | ||
66 | [18] = DMACH_MAX, | ||
67 | [19] = DMACH_MAX, | ||
68 | [20] = DMACH_PCM0_RX, | ||
69 | [21] = DMACH_PCM0_TX, | ||
70 | [22] = DMACH_PCM1_RX, | ||
71 | [23] = DMACH_PCM1_TX, | ||
72 | [24] = DMACH_MAX, | ||
73 | [25] = DMACH_MAX, | ||
74 | [26] = DMACH_MAX, | ||
75 | [27] = DMACH_MSM_REQ0, | ||
76 | [28] = DMACH_MSM_REQ1, | ||
77 | [29] = DMACH_MSM_REQ2, | ||
78 | [30] = DMACH_MSM_REQ3, | ||
79 | [31] = DMACH_MAX, | ||
80 | }, | ||
81 | }; | ||
82 | |||
83 | static struct platform_device s5p6442_device_pdma = { | ||
84 | .name = "s3c-pl330", | ||
85 | .id = 1, | ||
86 | .num_resources = ARRAY_SIZE(s5p6442_pdma_resource), | ||
87 | .resource = s5p6442_pdma_resource, | ||
88 | .dev = { | ||
89 | .dma_mask = &dma_dmamask, | ||
90 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
91 | .platform_data = &s5p6442_pdma_pdata, | ||
92 | }, | ||
93 | }; | ||
94 | |||
95 | static struct platform_device *s5p6442_dmacs[] __initdata = { | ||
96 | &s5p6442_device_pdma, | ||
97 | }; | ||
98 | |||
99 | static int __init s5p6442_dma_init(void) | ||
100 | { | ||
101 | platform_add_devices(s5p6442_dmacs, ARRAY_SIZE(s5p6442_dmacs)); | ||
102 | |||
103 | return 0; | ||
104 | } | ||
105 | arch_initcall(s5p6442_dma_init); | ||