diff options
Diffstat (limited to 'arch/arm/mach-s5p64x0')
-rw-r--r-- | arch/arm/mach-s5p64x0/dma.c | 149 | ||||
-rw-r--r-- | arch/arm/mach-s5p64x0/include/mach/dma.h | 26 |
2 files changed, 175 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p64x0/dma.c b/arch/arm/mach-s5p64x0/dma.c new file mode 100644 index 000000000000..29a8c2410049 --- /dev/null +++ b/arch/arm/mach-s5p64x0/dma.c | |||
@@ -0,0 +1,149 @@ | |||
1 | /* linux/arch/arm/mach-s5p64x0/dma.c | ||
2 | * | ||
3 | * Copyright (c) 2010 Samsung Electronics Co., Ltd. | ||
4 | * http://www.samsung.com | ||
5 | * | ||
6 | * Copyright (C) 2010 Samsung Electronics Co. Ltd. | ||
7 | * Jaswinder Singh <jassi.brar@samsung.com> | ||
8 | * | ||
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. | ||
13 | * | ||
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. | ||
18 | * | ||
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. | ||
22 | */ | ||
23 | |||
24 | #include <linux/platform_device.h> | ||
25 | #include <linux/dma-mapping.h> | ||
26 | |||
27 | #include <mach/map.h> | ||
28 | #include <mach/irqs.h> | ||
29 | #include <mach/regs-clock.h> | ||
30 | |||
31 | #include <plat/devs.h> | ||
32 | #include <plat/s3c-pl330-pdata.h> | ||
33 | |||
34 | static u64 dma_dmamask = DMA_BIT_MASK(32); | ||
35 | |||
36 | static struct resource s5p64x0_pdma_resource[] = { | ||
37 | [0] = { | ||
38 | .start = S5P64X0_PA_PDMA, | ||
39 | .end = S5P64X0_PA_PDMA + SZ_4K, | ||
40 | .flags = IORESOURCE_MEM, | ||
41 | }, | ||
42 | [1] = { | ||
43 | .start = IRQ_DMA0, | ||
44 | .end = IRQ_DMA0, | ||
45 | .flags = IORESOURCE_IRQ, | ||
46 | }, | ||
47 | }; | ||
48 | |||
49 | static struct s3c_pl330_platdata s5p6440_pdma_pdata = { | ||
50 | .peri = { | ||
51 | [0] = DMACH_UART0_RX, | ||
52 | [1] = DMACH_UART0_TX, | ||
53 | [2] = DMACH_UART1_RX, | ||
54 | [3] = DMACH_UART1_TX, | ||
55 | [4] = DMACH_UART2_RX, | ||
56 | [5] = DMACH_UART2_TX, | ||
57 | [6] = DMACH_UART3_RX, | ||
58 | [7] = DMACH_UART3_TX, | ||
59 | [8] = DMACH_MAX, | ||
60 | [9] = DMACH_MAX, | ||
61 | [10] = DMACH_PCM0_TX, | ||
62 | [11] = DMACH_PCM0_RX, | ||
63 | [12] = DMACH_I2S0_TX, | ||
64 | [13] = DMACH_I2S0_RX, | ||
65 | [14] = DMACH_SPI0_TX, | ||
66 | [15] = DMACH_SPI0_RX, | ||
67 | [16] = DMACH_MAX, | ||
68 | [17] = DMACH_MAX, | ||
69 | [18] = DMACH_MAX, | ||
70 | [19] = DMACH_MAX, | ||
71 | [20] = DMACH_SPI1_TX, | ||
72 | [21] = DMACH_SPI1_RX, | ||
73 | [22] = DMACH_MAX, | ||
74 | [23] = DMACH_MAX, | ||
75 | [24] = DMACH_MAX, | ||
76 | [25] = DMACH_MAX, | ||
77 | [26] = DMACH_MAX, | ||
78 | [27] = DMACH_MAX, | ||
79 | [28] = DMACH_MAX, | ||
80 | [29] = DMACH_PWM, | ||
81 | [30] = DMACH_MAX, | ||
82 | [31] = DMACH_MAX, | ||
83 | }, | ||
84 | }; | ||
85 | |||
86 | static struct s3c_pl330_platdata s5p6450_pdma_pdata = { | ||
87 | .peri = { | ||
88 | [0] = DMACH_UART0_RX, | ||
89 | [1] = DMACH_UART0_TX, | ||
90 | [2] = DMACH_UART1_RX, | ||
91 | [3] = DMACH_UART1_TX, | ||
92 | [4] = DMACH_UART2_RX, | ||
93 | [5] = DMACH_UART2_TX, | ||
94 | [6] = DMACH_UART3_RX, | ||
95 | [7] = DMACH_UART3_TX, | ||
96 | [8] = DMACH_UART4_RX, | ||
97 | [9] = DMACH_UART4_TX, | ||
98 | [10] = DMACH_PCM0_TX, | ||
99 | [11] = DMACH_PCM0_RX, | ||
100 | [12] = DMACH_I2S0_TX, | ||
101 | [13] = DMACH_I2S0_RX, | ||
102 | [14] = DMACH_SPI0_TX, | ||
103 | [15] = DMACH_SPI0_RX, | ||
104 | [16] = DMACH_PCM1_TX, | ||
105 | [17] = DMACH_PCM1_RX, | ||
106 | [18] = DMACH_PCM2_TX, | ||
107 | [19] = DMACH_PCM2_RX, | ||
108 | [20] = DMACH_SPI1_TX, | ||
109 | [21] = DMACH_SPI1_RX, | ||
110 | [22] = DMACH_USI_TX, | ||
111 | [23] = DMACH_USI_RX, | ||
112 | [24] = DMACH_MAX, | ||
113 | [25] = DMACH_I2S1_TX, | ||
114 | [26] = DMACH_I2S1_RX, | ||
115 | [27] = DMACH_I2S2_TX, | ||
116 | [28] = DMACH_I2S2_RX, | ||
117 | [29] = DMACH_PWM, | ||
118 | [30] = DMACH_UART5_RX, | ||
119 | [31] = DMACH_UART5_TX, | ||
120 | }, | ||
121 | }; | ||
122 | |||
123 | static struct platform_device s5p64x0_device_pdma = { | ||
124 | .name = "s3c-pl330", | ||
125 | .id = 0, | ||
126 | .num_resources = ARRAY_SIZE(s5p64x0_pdma_resource), | ||
127 | .resource = s5p64x0_pdma_resource, | ||
128 | .dev = { | ||
129 | .dma_mask = &dma_dmamask, | ||
130 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
131 | }, | ||
132 | }; | ||
133 | |||
134 | static int __init s5p64x0_dma_init(void) | ||
135 | { | ||
136 | unsigned int id; | ||
137 | |||
138 | id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000; | ||
139 | |||
140 | if (id == 0x50000) | ||
141 | s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata; | ||
142 | else | ||
143 | s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata; | ||
144 | |||
145 | platform_device_register(&s5p64x0_device_pdma); | ||
146 | |||
147 | return 0; | ||
148 | } | ||
149 | arch_initcall(s5p64x0_dma_init); | ||
diff --git a/arch/arm/mach-s5p64x0/include/mach/dma.h b/arch/arm/mach-s5p64x0/include/mach/dma.h new file mode 100644 index 000000000000..81209eb1409b --- /dev/null +++ b/arch/arm/mach-s5p64x0/include/mach/dma.h | |||
@@ -0,0 +1,26 @@ | |||
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 | #ifndef __MACH_DMA_H | ||
21 | #define __MACH_DMA_H | ||
22 | |||
23 | /* This platform uses the common S3C DMA API driver for PL330 */ | ||
24 | #include <plat/s3c-dma-pl330.h> | ||
25 | |||
26 | #endif /* __MACH_DMA_H */ | ||