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-rw-r--r--arch/arm/mach-s5pv210/dma.c317
1 files changed, 205 insertions, 112 deletions
diff --git a/arch/arm/mach-s5pv210/dma.c b/arch/arm/mach-s5pv210/dma.c
index 497d3439a142..86b749c18b77 100644
--- a/arch/arm/mach-s5pv210/dma.c
+++ b/arch/arm/mach-s5pv210/dma.c
@@ -1,4 +1,8 @@
1/* 1/* linux/arch/arm/mach-s5pv210/dma.c
2 *
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
5 *
2 * Copyright (C) 2010 Samsung Electronics Co. Ltd. 6 * Copyright (C) 2010 Samsung Electronics Co. Ltd.
3 * Jaswinder Singh <jassi.brar@samsung.com> 7 * Jaswinder Singh <jassi.brar@samsung.com>
4 * 8 *
@@ -17,151 +21,240 @@
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */ 22 */
19 23
20#include <linux/platform_device.h>
21#include <linux/dma-mapping.h> 24#include <linux/dma-mapping.h>
25#include <linux/amba/bus.h>
26#include <linux/amba/pl330.h>
22 27
28#include <asm/irq.h>
23#include <plat/devs.h> 29#include <plat/devs.h>
24#include <plat/irqs.h> 30#include <plat/irqs.h>
25 31
26#include <mach/map.h> 32#include <mach/map.h>
27#include <mach/irqs.h> 33#include <mach/irqs.h>
28 34#include <mach/dma.h>
29#include <plat/s3c-pl330-pdata.h>
30 35
31static u64 dma_dmamask = DMA_BIT_MASK(32); 36static u64 dma_dmamask = DMA_BIT_MASK(32);
32 37
33static struct resource s5pv210_pdma0_resource[] = { 38struct dma_pl330_peri pdma0_peri[28] = {
34 [0] = { 39 {
35 .start = S5PV210_PA_PDMA0, 40 .peri_id = (u8)DMACH_UART0_RX,
36 .end = S5PV210_PA_PDMA0 + SZ_4K, 41 .rqtype = DEVTOMEM,
37 .flags = IORESOURCE_MEM, 42 }, {
38 }, 43 .peri_id = (u8)DMACH_UART0_TX,
39 [1] = { 44 .rqtype = MEMTODEV,
40 .start = IRQ_PDMA0, 45 }, {
41 .end = IRQ_PDMA0, 46 .peri_id = (u8)DMACH_UART1_RX,
42 .flags = IORESOURCE_IRQ, 47 .rqtype = DEVTOMEM,
48 }, {
49 .peri_id = (u8)DMACH_UART1_TX,
50 .rqtype = MEMTODEV,
51 }, {
52 .peri_id = (u8)DMACH_UART2_RX,
53 .rqtype = DEVTOMEM,
54 }, {
55 .peri_id = (u8)DMACH_UART2_TX,
56 .rqtype = MEMTODEV,
57 }, {
58 .peri_id = (u8)DMACH_UART3_RX,
59 .rqtype = DEVTOMEM,
60 }, {
61 .peri_id = (u8)DMACH_UART3_TX,
62 .rqtype = MEMTODEV,
63 }, {
64 .peri_id = DMACH_MAX,
65 }, {
66 .peri_id = (u8)DMACH_I2S0_RX,
67 .rqtype = DEVTOMEM,
68 }, {
69 .peri_id = (u8)DMACH_I2S0_TX,
70 .rqtype = MEMTODEV,
71 }, {
72 .peri_id = (u8)DMACH_I2S0S_TX,
73 .rqtype = MEMTODEV,
74 }, {
75 .peri_id = (u8)DMACH_I2S1_RX,
76 .rqtype = DEVTOMEM,
77 }, {
78 .peri_id = (u8)DMACH_I2S1_TX,
79 .rqtype = MEMTODEV,
80 }, {
81 .peri_id = (u8)DMACH_MAX,
82 }, {
83 .peri_id = (u8)DMACH_MAX,
84 }, {
85 .peri_id = (u8)DMACH_SPI0_RX,
86 .rqtype = DEVTOMEM,
87 }, {
88 .peri_id = (u8)DMACH_SPI0_TX,
89 .rqtype = MEMTODEV,
90 }, {
91 .peri_id = (u8)DMACH_SPI1_RX,
92 .rqtype = DEVTOMEM,
93 }, {
94 .peri_id = (u8)DMACH_SPI1_TX,
95 .rqtype = MEMTODEV,
96 }, {
97 .peri_id = (u8)DMACH_MAX,
98 }, {
99 .peri_id = (u8)DMACH_MAX,
100 }, {
101 .peri_id = (u8)DMACH_AC97_MICIN,
102 .rqtype = DEVTOMEM,
103 }, {
104 .peri_id = (u8)DMACH_AC97_PCMIN,
105 .rqtype = DEVTOMEM,
106 }, {
107 .peri_id = (u8)DMACH_AC97_PCMOUT,
108 .rqtype = MEMTODEV,
109 }, {
110 .peri_id = (u8)DMACH_MAX,
111 }, {
112 .peri_id = (u8)DMACH_PWM,
113 }, {
114 .peri_id = (u8)DMACH_SPDIF,
115 .rqtype = MEMTODEV,
43 }, 116 },
44}; 117};
45 118
46static struct s3c_pl330_platdata s5pv210_pdma0_pdata = { 119struct dma_pl330_platdata s5pv210_pdma0_pdata = {
47 .peri = { 120 .nr_valid_peri = ARRAY_SIZE(pdma0_peri),
48 [0] = DMACH_UART0_RX, 121 .peri = pdma0_peri,
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_UART3_RX,
55 [7] = DMACH_UART3_TX,
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_SPI1_RX,
67 [19] = DMACH_SPI1_TX,
68 [20] = DMACH_MAX,
69 [21] = DMACH_MAX,
70 [22] = DMACH_AC97_MICIN,
71 [23] = DMACH_AC97_PCMIN,
72 [24] = DMACH_AC97_PCMOUT,
73 [25] = DMACH_MAX,
74 [26] = DMACH_PWM,
75 [27] = DMACH_SPDIF,
76 [28] = DMACH_MAX,
77 [29] = DMACH_MAX,
78 [30] = DMACH_MAX,
79 [31] = DMACH_MAX,
80 },
81}; 122};
82 123
83static struct platform_device s5pv210_device_pdma0 = { 124struct amba_device s5pv210_device_pdma0 = {
84 .name = "s3c-pl330", 125 .dev = {
85 .id = 0, 126 .init_name = "dma-pl330.0",
86 .num_resources = ARRAY_SIZE(s5pv210_pdma0_resource),
87 .resource = s5pv210_pdma0_resource,
88 .dev = {
89 .dma_mask = &dma_dmamask, 127 .dma_mask = &dma_dmamask,
90 .coherent_dma_mask = DMA_BIT_MASK(32), 128 .coherent_dma_mask = DMA_BIT_MASK(32),
91 .platform_data = &s5pv210_pdma0_pdata, 129 .platform_data = &s5pv210_pdma0_pdata,
92 }, 130 },
93}; 131 .res = {
94 132 .start = S5PV210_PA_PDMA0,
95static struct resource s5pv210_pdma1_resource[] = { 133 .end = S5PV210_PA_PDMA0 + SZ_4K,
96 [0] = {
97 .start = S5PV210_PA_PDMA1,
98 .end = S5PV210_PA_PDMA1 + SZ_4K,
99 .flags = IORESOURCE_MEM, 134 .flags = IORESOURCE_MEM,
100 }, 135 },
101 [1] = { 136 .irq = {IRQ_PDMA0, NO_IRQ},
102 .start = IRQ_PDMA1, 137 .periphid = 0x00041330,
103 .end = IRQ_PDMA1,
104 .flags = IORESOURCE_IRQ,
105 },
106}; 138};
107 139
108static struct s3c_pl330_platdata s5pv210_pdma1_pdata = { 140struct dma_pl330_peri pdma1_peri[32] = {
109 .peri = { 141 {
110 [0] = DMACH_UART0_RX, 142 .peri_id = (u8)DMACH_UART0_RX,
111 [1] = DMACH_UART0_TX, 143 .rqtype = DEVTOMEM,
112 [2] = DMACH_UART1_RX, 144 }, {
113 [3] = DMACH_UART1_TX, 145 .peri_id = (u8)DMACH_UART0_TX,
114 [4] = DMACH_UART2_RX, 146 .rqtype = MEMTODEV,
115 [5] = DMACH_UART2_TX, 147 }, {
116 [6] = DMACH_UART3_RX, 148 .peri_id = (u8)DMACH_UART1_RX,
117 [7] = DMACH_UART3_TX, 149 .rqtype = DEVTOMEM,
118 [8] = DMACH_MAX, 150 }, {
119 [9] = DMACH_I2S0_RX, 151 .peri_id = (u8)DMACH_UART1_TX,
120 [10] = DMACH_I2S0_TX, 152 .rqtype = MEMTODEV,
121 [11] = DMACH_I2S0S_TX, 153 }, {
122 [12] = DMACH_I2S1_RX, 154 .peri_id = (u8)DMACH_UART2_RX,
123 [13] = DMACH_I2S1_TX, 155 .rqtype = DEVTOMEM,
124 [14] = DMACH_I2S2_RX, 156 }, {
125 [15] = DMACH_I2S2_TX, 157 .peri_id = (u8)DMACH_UART2_TX,
126 [16] = DMACH_SPI0_RX, 158 .rqtype = MEMTODEV,
127 [17] = DMACH_SPI0_TX, 159 }, {
128 [18] = DMACH_SPI1_RX, 160 .peri_id = (u8)DMACH_UART3_RX,
129 [19] = DMACH_SPI1_TX, 161 .rqtype = DEVTOMEM,
130 [20] = DMACH_MAX, 162 }, {
131 [21] = DMACH_MAX, 163 .peri_id = (u8)DMACH_UART3_TX,
132 [22] = DMACH_PCM0_RX, 164 .rqtype = MEMTODEV,
133 [23] = DMACH_PCM0_TX, 165 }, {
134 [24] = DMACH_PCM1_RX, 166 .peri_id = DMACH_MAX,
135 [25] = DMACH_PCM1_TX, 167 }, {
136 [26] = DMACH_MSM_REQ0, 168 .peri_id = (u8)DMACH_I2S0_RX,
137 [27] = DMACH_MSM_REQ1, 169 .rqtype = DEVTOMEM,
138 [28] = DMACH_MSM_REQ2, 170 }, {
139 [29] = DMACH_MSM_REQ3, 171 .peri_id = (u8)DMACH_I2S0_TX,
140 [30] = DMACH_PCM2_RX, 172 .rqtype = MEMTODEV,
141 [31] = DMACH_PCM2_TX, 173 }, {
174 .peri_id = (u8)DMACH_I2S0S_TX,
175 .rqtype = MEMTODEV,
176 }, {
177 .peri_id = (u8)DMACH_I2S1_RX,
178 .rqtype = DEVTOMEM,
179 }, {
180 .peri_id = (u8)DMACH_I2S1_TX,
181 .rqtype = MEMTODEV,
182 }, {
183 .peri_id = (u8)DMACH_I2S2_RX,
184 .rqtype = DEVTOMEM,
185 }, {
186 .peri_id = (u8)DMACH_I2S2_TX,
187 .rqtype = MEMTODEV,
188 }, {
189 .peri_id = (u8)DMACH_SPI0_RX,
190 .rqtype = DEVTOMEM,
191 }, {
192 .peri_id = (u8)DMACH_SPI0_TX,
193 .rqtype = MEMTODEV,
194 }, {
195 .peri_id = (u8)DMACH_SPI1_RX,
196 .rqtype = DEVTOMEM,
197 }, {
198 .peri_id = (u8)DMACH_SPI1_TX,
199 .rqtype = MEMTODEV,
200 }, {
201 .peri_id = (u8)DMACH_MAX,
202 }, {
203 .peri_id = (u8)DMACH_MAX,
204 }, {
205 .peri_id = (u8)DMACH_PCM0_RX,
206 .rqtype = DEVTOMEM,
207 }, {
208 .peri_id = (u8)DMACH_PCM0_TX,
209 .rqtype = MEMTODEV,
210 }, {
211 .peri_id = (u8)DMACH_PCM1_RX,
212 .rqtype = DEVTOMEM,
213 }, {
214 .peri_id = (u8)DMACH_PCM1_TX,
215 .rqtype = MEMTODEV,
216 }, {
217 .peri_id = (u8)DMACH_MSM_REQ0,
218 }, {
219 .peri_id = (u8)DMACH_MSM_REQ1,
220 }, {
221 .peri_id = (u8)DMACH_MSM_REQ2,
222 }, {
223 .peri_id = (u8)DMACH_MSM_REQ3,
224 }, {
225 .peri_id = (u8)DMACH_PCM2_RX,
226 .rqtype = DEVTOMEM,
227 }, {
228 .peri_id = (u8)DMACH_PCM2_TX,
229 .rqtype = MEMTODEV,
142 }, 230 },
143}; 231};
144 232
145static struct platform_device s5pv210_device_pdma1 = { 233struct dma_pl330_platdata s5pv210_pdma1_pdata = {
146 .name = "s3c-pl330", 234 .nr_valid_peri = ARRAY_SIZE(pdma1_peri),
147 .id = 1, 235 .peri = pdma1_peri,
148 .num_resources = ARRAY_SIZE(s5pv210_pdma1_resource), 236};
149 .resource = s5pv210_pdma1_resource, 237
150 .dev = { 238struct amba_device s5pv210_device_pdma1 = {
239 .dev = {
240 .init_name = "dma-pl330.1",
151 .dma_mask = &dma_dmamask, 241 .dma_mask = &dma_dmamask,
152 .coherent_dma_mask = DMA_BIT_MASK(32), 242 .coherent_dma_mask = DMA_BIT_MASK(32),
153 .platform_data = &s5pv210_pdma1_pdata, 243 .platform_data = &s5pv210_pdma1_pdata,
154 }, 244 },
155}; 245 .res = {
156 246 .start = S5PV210_PA_PDMA1,
157static struct platform_device *s5pv210_dmacs[] __initdata = { 247 .end = S5PV210_PA_PDMA1 + SZ_4K,
158 &s5pv210_device_pdma0, 248 .flags = IORESOURCE_MEM,
159 &s5pv210_device_pdma1, 249 },
250 .irq = {IRQ_PDMA1, NO_IRQ},
251 .periphid = 0x00041330,
160}; 252};
161 253
162static int __init s5pv210_dma_init(void) 254static int __init s5pv210_dma_init(void)
163{ 255{
164 platform_add_devices(s5pv210_dmacs, ARRAY_SIZE(s5pv210_dmacs)); 256 amba_device_register(&s5pv210_device_pdma0, &iomem_resource);
257 amba_device_register(&s5pv210_device_pdma1, &iomem_resource);
165 258
166 return 0; 259 return 0;
167} 260}
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