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Kukjin Kimf1fee582010-09-08 19:25:44 +09001/* 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
Kukjin Kima3d93582011-08-20 02:30:08 +090031#include <plat/cpu.h>
Kukjin Kimf1fee582010-09-08 19:25:44 +090032#include <plat/devs.h>
33#include <plat/s3c-pl330-pdata.h>
34
35static u64 dma_dmamask = DMA_BIT_MASK(32);
36
37static struct resource s5p64x0_pdma_resource[] = {
38 [0] = {
39 .start = S5P64X0_PA_PDMA,
40 .end = S5P64X0_PA_PDMA + SZ_4K,
41 .flags = IORESOURCE_MEM,
42 },
43 [1] = {
44 .start = IRQ_DMA0,
45 .end = IRQ_DMA0,
46 .flags = IORESOURCE_IRQ,
47 },
48};
49
50static struct s3c_pl330_platdata s5p6440_pdma_pdata = {
51 .peri = {
52 [0] = DMACH_UART0_RX,
53 [1] = DMACH_UART0_TX,
54 [2] = DMACH_UART1_RX,
55 [3] = DMACH_UART1_TX,
56 [4] = DMACH_UART2_RX,
57 [5] = DMACH_UART2_TX,
58 [6] = DMACH_UART3_RX,
59 [7] = DMACH_UART3_TX,
60 [8] = DMACH_MAX,
61 [9] = DMACH_MAX,
62 [10] = DMACH_PCM0_TX,
63 [11] = DMACH_PCM0_RX,
64 [12] = DMACH_I2S0_TX,
65 [13] = DMACH_I2S0_RX,
66 [14] = DMACH_SPI0_TX,
67 [15] = DMACH_SPI0_RX,
68 [16] = DMACH_MAX,
69 [17] = DMACH_MAX,
70 [18] = DMACH_MAX,
71 [19] = DMACH_MAX,
72 [20] = DMACH_SPI1_TX,
73 [21] = DMACH_SPI1_RX,
74 [22] = DMACH_MAX,
75 [23] = DMACH_MAX,
76 [24] = DMACH_MAX,
77 [25] = DMACH_MAX,
78 [26] = DMACH_MAX,
79 [27] = DMACH_MAX,
80 [28] = DMACH_MAX,
81 [29] = DMACH_PWM,
82 [30] = DMACH_MAX,
83 [31] = DMACH_MAX,
84 },
85};
86
87static struct s3c_pl330_platdata s5p6450_pdma_pdata = {
88 .peri = {
89 [0] = DMACH_UART0_RX,
90 [1] = DMACH_UART0_TX,
91 [2] = DMACH_UART1_RX,
92 [3] = DMACH_UART1_TX,
93 [4] = DMACH_UART2_RX,
94 [5] = DMACH_UART2_TX,
95 [6] = DMACH_UART3_RX,
96 [7] = DMACH_UART3_TX,
97 [8] = DMACH_UART4_RX,
98 [9] = DMACH_UART4_TX,
99 [10] = DMACH_PCM0_TX,
100 [11] = DMACH_PCM0_RX,
101 [12] = DMACH_I2S0_TX,
102 [13] = DMACH_I2S0_RX,
103 [14] = DMACH_SPI0_TX,
104 [15] = DMACH_SPI0_RX,
105 [16] = DMACH_PCM1_TX,
106 [17] = DMACH_PCM1_RX,
107 [18] = DMACH_PCM2_TX,
108 [19] = DMACH_PCM2_RX,
109 [20] = DMACH_SPI1_TX,
110 [21] = DMACH_SPI1_RX,
111 [22] = DMACH_USI_TX,
112 [23] = DMACH_USI_RX,
113 [24] = DMACH_MAX,
114 [25] = DMACH_I2S1_TX,
115 [26] = DMACH_I2S1_RX,
116 [27] = DMACH_I2S2_TX,
117 [28] = DMACH_I2S2_RX,
118 [29] = DMACH_PWM,
119 [30] = DMACH_UART5_RX,
120 [31] = DMACH_UART5_TX,
121 },
122};
123
124static struct platform_device s5p64x0_device_pdma = {
125 .name = "s3c-pl330",
Seungwhan Youn9d59c172010-10-19 18:42:34 +0900126 .id = -1,
Kukjin Kimf1fee582010-09-08 19:25:44 +0900127 .num_resources = ARRAY_SIZE(s5p64x0_pdma_resource),
128 .resource = s5p64x0_pdma_resource,
129 .dev = {
130 .dma_mask = &dma_dmamask,
131 .coherent_dma_mask = DMA_BIT_MASK(32),
132 },
133};
134
135static int __init s5p64x0_dma_init(void)
136{
Kukjin Kima3d93582011-08-20 02:30:08 +0900137 if (soc_is_s5p6450())
Kukjin Kimf1fee582010-09-08 19:25:44 +0900138 s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata;
139 else
140 s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata;
141
142 platform_device_register(&s5p64x0_device_pdma);
143
144 return 0;
145}
146arch_initcall(s5p64x0_dma_init);