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Diffstat (limited to 'arch/arm/mach-s5p64x0/dma.c')
-rw-r--r--arch/arm/mach-s5p64x0/dma.c269
1 files changed, 181 insertions, 88 deletions
diff --git a/arch/arm/mach-s5p64x0/dma.c b/arch/arm/mach-s5p64x0/dma.c
index 0e5b3e63e5b3..442dd4ad12da 100644
--- a/arch/arm/mach-s5p64x0/dma.c
+++ b/arch/arm/mach-s5p64x0/dma.c
@@ -21,115 +21,208 @@
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22*/ 22*/
23 23
24#include <linux/platform_device.h>
25#include <linux/dma-mapping.h> 24#include <linux/dma-mapping.h>
25#include <linux/amba/bus.h>
26#include <linux/amba/pl330.h>
27
28#include <asm/irq.h>
26 29
27#include <mach/map.h> 30#include <mach/map.h>
28#include <mach/irqs.h> 31#include <mach/irqs.h>
29#include <mach/regs-clock.h> 32#include <mach/regs-clock.h>
33#include <mach/dma.h>
30 34
31#include <plat/cpu.h> 35#include <plat/cpu.h>
32#include <plat/devs.h> 36#include <plat/devs.h>
33#include <plat/s3c-pl330-pdata.h> 37#include <plat/irqs.h>
34 38
35static u64 dma_dmamask = DMA_BIT_MASK(32); 39static u64 dma_dmamask = DMA_BIT_MASK(32);
36 40
37static struct resource s5p64x0_pdma_resource[] = { 41struct dma_pl330_peri s5p6440_pdma_peri[22] = {
38 [0] = { 42 {
39 .start = S5P64X0_PA_PDMA, 43 .peri_id = (u8)DMACH_UART0_RX,
40 .end = S5P64X0_PA_PDMA + SZ_4K, 44 .rqtype = DEVTOMEM,
41 .flags = IORESOURCE_MEM, 45 }, {
42 }, 46 .peri_id = (u8)DMACH_UART0_TX,
43 [1] = { 47 .rqtype = MEMTODEV,
44 .start = IRQ_DMA0, 48 }, {
45 .end = IRQ_DMA0, 49 .peri_id = (u8)DMACH_UART1_RX,
46 .flags = IORESOURCE_IRQ, 50 .rqtype = DEVTOMEM,
51 }, {
52 .peri_id = (u8)DMACH_UART1_TX,
53 .rqtype = MEMTODEV,
54 }, {
55 .peri_id = (u8)DMACH_UART2_RX,
56 .rqtype = DEVTOMEM,
57 }, {
58 .peri_id = (u8)DMACH_UART2_TX,
59 .rqtype = MEMTODEV,
60 }, {
61 .peri_id = (u8)DMACH_UART3_RX,
62 .rqtype = DEVTOMEM,
63 }, {
64 .peri_id = (u8)DMACH_UART3_TX,
65 .rqtype = MEMTODEV,
66 }, {
67 .peri_id = DMACH_MAX,
68 }, {
69 .peri_id = DMACH_MAX,
70 }, {
71 .peri_id = (u8)DMACH_PCM0_TX,
72 .rqtype = MEMTODEV,
73 }, {
74 .peri_id = (u8)DMACH_PCM0_RX,
75 .rqtype = DEVTOMEM,
76 }, {
77 .peri_id = (u8)DMACH_I2S0_TX,
78 .rqtype = MEMTODEV,
79 }, {
80 .peri_id = (u8)DMACH_I2S0_RX,
81 .rqtype = DEVTOMEM,
82 }, {
83 .peri_id = (u8)DMACH_SPI0_TX,
84 .rqtype = MEMTODEV,
85 }, {
86 .peri_id = (u8)DMACH_SPI0_RX,
87 .rqtype = DEVTOMEM,
88 }, {
89 .peri_id = (u8)DMACH_MAX,
90 }, {
91 .peri_id = (u8)DMACH_MAX,
92 }, {
93 .peri_id = (u8)DMACH_MAX,
94 }, {
95 .peri_id = (u8)DMACH_MAX,
96 }, {
97 .peri_id = (u8)DMACH_SPI1_TX,
98 .rqtype = MEMTODEV,
99 }, {
100 .peri_id = (u8)DMACH_SPI1_RX,
101 .rqtype = DEVTOMEM,
47 }, 102 },
48}; 103};
49 104
50static struct s3c_pl330_platdata s5p6440_pdma_pdata = { 105struct dma_pl330_platdata s5p6440_pdma_pdata = {
51 .peri = { 106 .nr_valid_peri = ARRAY_SIZE(s5p6440_pdma_peri),
52 [0] = DMACH_UART0_RX, 107 .peri = s5p6440_pdma_peri,
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}; 108};
86 109
87static struct s3c_pl330_platdata s5p6450_pdma_pdata = { 110struct dma_pl330_peri s5p6450_pdma_peri[32] = {
88 .peri = { 111 {
89 [0] = DMACH_UART0_RX, 112 .peri_id = (u8)DMACH_UART0_RX,
90 [1] = DMACH_UART0_TX, 113 .rqtype = DEVTOMEM,
91 [2] = DMACH_UART1_RX, 114 }, {
92 [3] = DMACH_UART1_TX, 115 .peri_id = (u8)DMACH_UART0_TX,
93 [4] = DMACH_UART2_RX, 116 .rqtype = MEMTODEV,
94 [5] = DMACH_UART2_TX, 117 }, {
95 [6] = DMACH_UART3_RX, 118 .peri_id = (u8)DMACH_UART1_RX,
96 [7] = DMACH_UART3_TX, 119 .rqtype = DEVTOMEM,
97 [8] = DMACH_UART4_RX, 120 }, {
98 [9] = DMACH_UART4_TX, 121 .peri_id = (u8)DMACH_UART1_TX,
99 [10] = DMACH_PCM0_TX, 122 .rqtype = MEMTODEV,
100 [11] = DMACH_PCM0_RX, 123 }, {
101 [12] = DMACH_I2S0_TX, 124 .peri_id = (u8)DMACH_UART2_RX,
102 [13] = DMACH_I2S0_RX, 125 .rqtype = DEVTOMEM,
103 [14] = DMACH_SPI0_TX, 126 }, {
104 [15] = DMACH_SPI0_RX, 127 .peri_id = (u8)DMACH_UART2_TX,
105 [16] = DMACH_PCM1_TX, 128 .rqtype = MEMTODEV,
106 [17] = DMACH_PCM1_RX, 129 }, {
107 [18] = DMACH_PCM2_TX, 130 .peri_id = (u8)DMACH_UART3_RX,
108 [19] = DMACH_PCM2_RX, 131 .rqtype = DEVTOMEM,
109 [20] = DMACH_SPI1_TX, 132 }, {
110 [21] = DMACH_SPI1_RX, 133 .peri_id = (u8)DMACH_UART3_TX,
111 [22] = DMACH_USI_TX, 134 .rqtype = MEMTODEV,
112 [23] = DMACH_USI_RX, 135 }, {
113 [24] = DMACH_MAX, 136 .peri_id = (u8)DMACH_UART4_RX,
114 [25] = DMACH_I2S1_TX, 137 .rqtype = DEVTOMEM,
115 [26] = DMACH_I2S1_RX, 138 }, {
116 [27] = DMACH_I2S2_TX, 139 .peri_id = (u8)DMACH_UART4_TX,
117 [28] = DMACH_I2S2_RX, 140 .rqtype = MEMTODEV,
118 [29] = DMACH_PWM, 141 }, {
119 [30] = DMACH_UART5_RX, 142 .peri_id = (u8)DMACH_PCM0_TX,
120 [31] = DMACH_UART5_TX, 143 .rqtype = MEMTODEV,
144 }, {
145 .peri_id = (u8)DMACH_PCM0_RX,
146 .rqtype = DEVTOMEM,
147 }, {
148 .peri_id = (u8)DMACH_I2S0_TX,
149 .rqtype = MEMTODEV,
150 }, {
151 .peri_id = (u8)DMACH_I2S0_RX,
152 .rqtype = DEVTOMEM,
153 }, {
154 .peri_id = (u8)DMACH_SPI0_TX,
155 .rqtype = MEMTODEV,
156 }, {
157 .peri_id = (u8)DMACH_SPI0_RX,
158 .rqtype = DEVTOMEM,
159 }, {
160 .peri_id = (u8)DMACH_PCM1_TX,
161 .rqtype = MEMTODEV,
162 }, {
163 .peri_id = (u8)DMACH_PCM1_RX,
164 .rqtype = DEVTOMEM,
165 }, {
166 .peri_id = (u8)DMACH_PCM2_TX,
167 .rqtype = MEMTODEV,
168 }, {
169 .peri_id = (u8)DMACH_PCM2_RX,
170 .rqtype = DEVTOMEM,
171 }, {
172 .peri_id = (u8)DMACH_SPI1_TX,
173 .rqtype = MEMTODEV,
174 }, {
175 .peri_id = (u8)DMACH_SPI1_RX,
176 .rqtype = DEVTOMEM,
177 }, {
178 .peri_id = (u8)DMACH_USI_TX,
179 .rqtype = MEMTODEV,
180 }, {
181 .peri_id = (u8)DMACH_USI_RX,
182 .rqtype = DEVTOMEM,
183 }, {
184 .peri_id = (u8)DMACH_MAX,
185 }, {
186 .peri_id = (u8)DMACH_I2S1_TX,
187 .rqtype = MEMTODEV,
188 }, {
189 .peri_id = (u8)DMACH_I2S1_RX,
190 .rqtype = DEVTOMEM,
191 }, {
192 .peri_id = (u8)DMACH_I2S2_TX,
193 .rqtype = MEMTODEV,
194 }, {
195 .peri_id = (u8)DMACH_I2S2_RX,
196 .rqtype = DEVTOMEM,
197 }, {
198 .peri_id = (u8)DMACH_PWM,
199 }, {
200 .peri_id = (u8)DMACH_UART5_RX,
201 .rqtype = DEVTOMEM,
202 }, {
203 .peri_id = (u8)DMACH_UART5_TX,
204 .rqtype = MEMTODEV,
121 }, 205 },
122}; 206};
123 207
124static struct platform_device s5p64x0_device_pdma = { 208struct dma_pl330_platdata s5p6450_pdma_pdata = {
125 .name = "s3c-pl330", 209 .nr_valid_peri = ARRAY_SIZE(s5p6450_pdma_peri),
126 .id = -1, 210 .peri = s5p6450_pdma_peri,
127 .num_resources = ARRAY_SIZE(s5p64x0_pdma_resource), 211};
128 .resource = s5p64x0_pdma_resource, 212
129 .dev = { 213struct amba_device s5p64x0_device_pdma = {
214 .dev = {
215 .init_name = "dma-pl330",
130 .dma_mask = &dma_dmamask, 216 .dma_mask = &dma_dmamask,
131 .coherent_dma_mask = DMA_BIT_MASK(32), 217 .coherent_dma_mask = DMA_BIT_MASK(32),
132 }, 218 },
219 .res = {
220 .start = S5P64X0_PA_PDMA,
221 .end = S5P64X0_PA_PDMA + SZ_4K,
222 .flags = IORESOURCE_MEM,
223 },
224 .irq = {IRQ_DMA0, NO_IRQ},
225 .periphid = 0x00041330,
133}; 226};
134 227
135static int __init s5p64x0_dma_init(void) 228static int __init s5p64x0_dma_init(void)
@@ -139,7 +232,7 @@ static int __init s5p64x0_dma_init(void)
139 else 232 else
140 s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata; 233 s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata;
141 234
142 platform_device_register(&s5p64x0_device_pdma); 235 amba_device_register(&s5p64x0_device_pdma, &iomem_resource);
143 236
144 return 0; 237 return 0;
145} 238}
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