1 /* linux/arch/arm/mach-s5p64x0/dma.c
3 * Copyright (c) 2010 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/platform_device.h>
25 #include <linux/dma-mapping.h>
28 #include <mach/irqs.h>
29 #include <mach/regs-clock.h>
31 #include <plat/devs.h>
32 #include <plat/s3c-pl330-pdata.h>
34 static u64 dma_dmamask = DMA_BIT_MASK(32);
36 static struct resource s5p64x0_pdma_resource[] = {
38 .start = S5P64X0_PA_PDMA,
39 .end = S5P64X0_PA_PDMA + SZ_4K,
40 .flags = IORESOURCE_MEM,
45 .flags = IORESOURCE_IRQ,
49 static struct s3c_pl330_platdata s5p6440_pdma_pdata = {
86 static struct s3c_pl330_platdata s5p6450_pdma_pdata = {
100 [12] = DMACH_I2S0_TX,
101 [13] = DMACH_I2S0_RX,
102 [14] = DMACH_SPI0_TX,
103 [15] = DMACH_SPI0_RX,
104 [16] = DMACH_PCM1_TX,
105 [17] = DMACH_PCM1_RX,
106 [18] = DMACH_PCM2_TX,
107 [19] = DMACH_PCM2_RX,
108 [20] = DMACH_SPI1_TX,
109 [21] = DMACH_SPI1_RX,
113 [25] = DMACH_I2S1_TX,
114 [26] = DMACH_I2S1_RX,
115 [27] = DMACH_I2S2_TX,
116 [28] = DMACH_I2S2_RX,
118 [30] = DMACH_UART5_RX,
119 [31] = DMACH_UART5_TX,
123 static struct platform_device s5p64x0_device_pdma = {
126 .num_resources = ARRAY_SIZE(s5p64x0_pdma_resource),
127 .resource = s5p64x0_pdma_resource,
129 .dma_mask = &dma_dmamask,
130 .coherent_dma_mask = DMA_BIT_MASK(32),
134 static int __init s5p64x0_dma_init(void)
138 id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000;
141 s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata;
143 s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata;
145 platform_device_register(&s5p64x0_device_pdma);
149 arch_initcall(s5p64x0_dma_init);