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/dma-mapping.h>
25 #include <linux/amba/bus.h>
26 #include <linux/amba/pl330.h>
31 #include <mach/irqs.h>
32 #include <mach/regs-clock.h>
36 #include <plat/devs.h>
37 #include <plat/irqs.h>
39 static u64 dma_dmamask = DMA_BIT_MASK(32);
41 u8 s5p6440_pdma_peri[] = {
66 struct dma_pl330_platdata s5p6440_pdma_pdata = {
67 .nr_valid_peri = ARRAY_SIZE(s5p6440_pdma_peri),
68 .peri_id = s5p6440_pdma_peri,
71 u8 s5p6450_pdma_peri[] = {
106 struct dma_pl330_platdata s5p6450_pdma_pdata = {
107 .nr_valid_peri = ARRAY_SIZE(s5p6450_pdma_peri),
108 .peri_id = s5p6450_pdma_peri,
111 struct amba_device s5p64x0_device_pdma = {
113 .init_name = "dma-pl330",
114 .dma_mask = &dma_dmamask,
115 .coherent_dma_mask = DMA_BIT_MASK(32),
118 .start = S5P64X0_PA_PDMA,
119 .end = S5P64X0_PA_PDMA + SZ_4K,
120 .flags = IORESOURCE_MEM,
123 .periphid = 0x00041330,
126 static int __init s5p64x0_dma_init(void)
128 if (soc_is_s5p6450()) {
129 dma_cap_set(DMA_SLAVE, s5p6450_pdma_pdata.cap_mask);
130 dma_cap_set(DMA_CYCLIC, s5p6450_pdma_pdata.cap_mask);
131 s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata;
133 dma_cap_set(DMA_SLAVE, s5p6440_pdma_pdata.cap_mask);
134 dma_cap_set(DMA_CYCLIC, s5p6440_pdma_pdata.cap_mask);
135 s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata;
138 amba_device_register(&s5p64x0_device_pdma, &iomem_resource);
142 arch_initcall(s5p64x0_dma_init);