1 /* linux/arch/arm/mach-s5pc100/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[30] = {
40 .peri_id = (u8)DMACH_UART0_RX,
43 .peri_id = (u8)DMACH_UART0_TX,
46 .peri_id = (u8)DMACH_UART1_RX,
49 .peri_id = (u8)DMACH_UART1_TX,
52 .peri_id = (u8)DMACH_UART2_RX,
55 .peri_id = (u8)DMACH_UART2_TX,
58 .peri_id = (u8)DMACH_UART3_RX,
61 .peri_id = (u8)DMACH_UART3_TX,
64 .peri_id = DMACH_IRDA,
66 .peri_id = (u8)DMACH_I2S0_RX,
69 .peri_id = (u8)DMACH_I2S0_TX,
72 .peri_id = (u8)DMACH_I2S0S_TX,
75 .peri_id = (u8)DMACH_I2S1_RX,
78 .peri_id = (u8)DMACH_I2S1_TX,
81 .peri_id = (u8)DMACH_I2S2_RX,
84 .peri_id = (u8)DMACH_I2S2_TX,
87 .peri_id = (u8)DMACH_SPI0_RX,
90 .peri_id = (u8)DMACH_SPI0_TX,
93 .peri_id = (u8)DMACH_SPI1_RX,
96 .peri_id = (u8)DMACH_SPI1_TX,
99 .peri_id = (u8)DMACH_SPI2_RX,
102 .peri_id = (u8)DMACH_SPI2_TX,
105 .peri_id = (u8)DMACH_AC97_MICIN,
108 .peri_id = (u8)DMACH_AC97_PCMIN,
111 .peri_id = (u8)DMACH_AC97_PCMOUT,
114 .peri_id = (u8)DMACH_EXTERNAL,
116 .peri_id = (u8)DMACH_PWM,
118 .peri_id = (u8)DMACH_SPDIF,
121 .peri_id = (u8)DMACH_HSI_RX,
124 .peri_id = (u8)DMACH_HSI_TX,
129 struct dma_pl330_platdata s5pc100_pdma0_pdata = {
130 .nr_valid_peri = ARRAY_SIZE(pdma0_peri),
134 struct amba_device s5pc100_device_pdma0 = {
136 .init_name = "dma-pl330.0",
137 .dma_mask = &dma_dmamask,
138 .coherent_dma_mask = DMA_BIT_MASK(32),
139 .platform_data = &s5pc100_pdma0_pdata,
142 .start = S5PC100_PA_PDMA0,
143 .end = S5PC100_PA_PDMA0 + SZ_4K,
144 .flags = IORESOURCE_MEM,
146 .irq = {IRQ_PDMA0, NO_IRQ},
147 .periphid = 0x00041330,
150 struct dma_pl330_peri pdma1_peri[30] = {
152 .peri_id = (u8)DMACH_UART0_RX,
155 .peri_id = (u8)DMACH_UART0_TX,
158 .peri_id = (u8)DMACH_UART1_RX,
161 .peri_id = (u8)DMACH_UART1_TX,
164 .peri_id = (u8)DMACH_UART2_RX,
167 .peri_id = (u8)DMACH_UART2_TX,
170 .peri_id = (u8)DMACH_UART3_RX,
173 .peri_id = (u8)DMACH_UART3_TX,
176 .peri_id = DMACH_IRDA,
178 .peri_id = (u8)DMACH_I2S0_RX,
181 .peri_id = (u8)DMACH_I2S0_TX,
184 .peri_id = (u8)DMACH_I2S0S_TX,
187 .peri_id = (u8)DMACH_I2S1_RX,
190 .peri_id = (u8)DMACH_I2S1_TX,
193 .peri_id = (u8)DMACH_I2S2_RX,
196 .peri_id = (u8)DMACH_I2S2_TX,
199 .peri_id = (u8)DMACH_SPI0_RX,
202 .peri_id = (u8)DMACH_SPI0_TX,
205 .peri_id = (u8)DMACH_SPI1_RX,
208 .peri_id = (u8)DMACH_SPI1_TX,
211 .peri_id = (u8)DMACH_SPI2_RX,
214 .peri_id = (u8)DMACH_SPI2_TX,
217 .peri_id = (u8)DMACH_PCM0_RX,
220 .peri_id = (u8)DMACH_PCM1_TX,
223 .peri_id = (u8)DMACH_PCM1_RX,
226 .peri_id = (u8)DMACH_PCM1_TX,
229 .peri_id = (u8)DMACH_MSM_REQ0,
231 .peri_id = (u8)DMACH_MSM_REQ1,
233 .peri_id = (u8)DMACH_MSM_REQ2,
235 .peri_id = (u8)DMACH_MSM_REQ3,
239 struct dma_pl330_platdata s5pc100_pdma1_pdata = {
240 .nr_valid_peri = ARRAY_SIZE(pdma1_peri),
244 struct amba_device s5pc100_device_pdma1 = {
246 .init_name = "dma-pl330.1",
247 .dma_mask = &dma_dmamask,
248 .coherent_dma_mask = DMA_BIT_MASK(32),
249 .platform_data = &s5pc100_pdma1_pdata,
252 .start = S5PC100_PA_PDMA1,
253 .end = S5PC100_PA_PDMA1 + SZ_4K,
254 .flags = IORESOURCE_MEM,
256 .irq = {IRQ_PDMA1, NO_IRQ},
257 .periphid = 0x00041330,
260 static int __init s5pc100_dma_init(void)
262 amba_device_register(&s5pc100_device_pdma0, &iomem_resource);
263 amba_device_register(&s5pc100_device_pdma1, &iomem_resource);
267 arch_initcall(s5pc100_dma_init);