1 /* linux/arch/arm/mach-exynos4/dma.c
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
6 * Copyright (C) 2010 Samsung Electronics Co. Ltd.
7 * Jaswinder Singh <jassi.brar@samsung.com>
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.
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.
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.
24 #include <linux/dma-mapping.h>
25 #include <linux/amba/bus.h>
26 #include <linux/amba/pl330.h>
29 #include <plat/devs.h>
30 #include <plat/irqs.h>
33 #include <mach/irqs.h>
36 static u64 dma_dmamask = DMA_BIT_MASK(32);
38 struct dma_pl330_peri pdma0_peri[28] = {
40 .peri_id = (u8)DMACH_PCM0_RX,
43 .peri_id = (u8)DMACH_PCM0_TX,
46 .peri_id = (u8)DMACH_PCM2_RX,
49 .peri_id = (u8)DMACH_PCM2_TX,
52 .peri_id = (u8)DMACH_MSM_REQ0,
54 .peri_id = (u8)DMACH_MSM_REQ2,
56 .peri_id = (u8)DMACH_SPI0_RX,
59 .peri_id = (u8)DMACH_SPI0_TX,
62 .peri_id = (u8)DMACH_SPI2_RX,
65 .peri_id = (u8)DMACH_SPI2_TX,
68 .peri_id = (u8)DMACH_I2S0S_TX,
71 .peri_id = (u8)DMACH_I2S0_RX,
74 .peri_id = (u8)DMACH_I2S0_TX,
77 .peri_id = (u8)DMACH_UART0_RX,
80 .peri_id = (u8)DMACH_UART0_TX,
83 .peri_id = (u8)DMACH_UART2_RX,
86 .peri_id = (u8)DMACH_UART2_TX,
89 .peri_id = (u8)DMACH_UART4_RX,
92 .peri_id = (u8)DMACH_UART4_TX,
95 .peri_id = (u8)DMACH_SLIMBUS0_RX,
98 .peri_id = (u8)DMACH_SLIMBUS0_TX,
101 .peri_id = (u8)DMACH_SLIMBUS2_RX,
104 .peri_id = (u8)DMACH_SLIMBUS2_TX,
107 .peri_id = (u8)DMACH_SLIMBUS4_RX,
110 .peri_id = (u8)DMACH_SLIMBUS4_TX,
113 .peri_id = (u8)DMACH_AC97_MICIN,
116 .peri_id = (u8)DMACH_AC97_PCMIN,
119 .peri_id = (u8)DMACH_AC97_PCMOUT,
124 struct dma_pl330_platdata exynos4_pdma0_pdata = {
125 .nr_valid_peri = ARRAY_SIZE(pdma0_peri),
129 struct amba_device exynos4_device_pdma0 = {
131 .init_name = "dma-pl330.0",
132 .dma_mask = &dma_dmamask,
133 .coherent_dma_mask = DMA_BIT_MASK(32),
134 .platform_data = &exynos4_pdma0_pdata,
137 .start = EXYNOS4_PA_PDMA0,
138 .end = EXYNOS4_PA_PDMA0 + SZ_4K,
139 .flags = IORESOURCE_MEM,
141 .irq = {IRQ_PDMA0, NO_IRQ},
142 .periphid = 0x00041330,
145 struct dma_pl330_peri pdma1_peri[25] = {
147 .peri_id = (u8)DMACH_PCM0_RX,
150 .peri_id = (u8)DMACH_PCM0_TX,
153 .peri_id = (u8)DMACH_PCM1_RX,
156 .peri_id = (u8)DMACH_PCM1_TX,
159 .peri_id = (u8)DMACH_MSM_REQ1,
161 .peri_id = (u8)DMACH_MSM_REQ3,
163 .peri_id = (u8)DMACH_SPI1_RX,
166 .peri_id = (u8)DMACH_SPI1_TX,
169 .peri_id = (u8)DMACH_I2S0S_TX,
172 .peri_id = (u8)DMACH_I2S0_RX,
175 .peri_id = (u8)DMACH_I2S0_TX,
178 .peri_id = (u8)DMACH_I2S1_RX,
181 .peri_id = (u8)DMACH_I2S1_TX,
184 .peri_id = (u8)DMACH_UART0_RX,
187 .peri_id = (u8)DMACH_UART0_TX,
190 .peri_id = (u8)DMACH_UART1_RX,
193 .peri_id = (u8)DMACH_UART1_TX,
196 .peri_id = (u8)DMACH_UART3_RX,
199 .peri_id = (u8)DMACH_UART3_TX,
202 .peri_id = (u8)DMACH_SLIMBUS1_RX,
205 .peri_id = (u8)DMACH_SLIMBUS1_TX,
208 .peri_id = (u8)DMACH_SLIMBUS3_RX,
211 .peri_id = (u8)DMACH_SLIMBUS3_TX,
214 .peri_id = (u8)DMACH_SLIMBUS5_RX,
217 .peri_id = (u8)DMACH_SLIMBUS5_TX,
222 struct dma_pl330_platdata exynos4_pdma1_pdata = {
223 .nr_valid_peri = ARRAY_SIZE(pdma1_peri),
227 struct amba_device exynos4_device_pdma1 = {
229 .init_name = "dma-pl330.1",
230 .dma_mask = &dma_dmamask,
231 .coherent_dma_mask = DMA_BIT_MASK(32),
232 .platform_data = &exynos4_pdma1_pdata,
235 .start = EXYNOS4_PA_PDMA1,
236 .end = EXYNOS4_PA_PDMA1 + SZ_4K,
237 .flags = IORESOURCE_MEM,
239 .irq = {IRQ_PDMA1, NO_IRQ},
240 .periphid = 0x00041330,
243 static int __init exynos4_dma_init(void)
245 amba_device_register(&exynos4_device_pdma0, &iomem_resource);
246 amba_device_register(&exynos4_device_pdma1, &iomem_resource);
250 arch_initcall(exynos4_dma_init);