| /* |
| * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it under |
| * the terms of the GNU General Public License version 2 as published by the |
| * Free Software Foundation. |
| */ |
| #include <linux/compiler.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/err.h> |
| #include <linux/init.h> |
| |
| #include <mach/mx23.h> |
| #include <mach/mx28.h> |
| #include <mach/devices-common.h> |
| |
| static struct platform_device *__init mxs_add_dma(const char *devid, |
| resource_size_t base) |
| { |
| struct resource res[] = { |
| { |
| .start = base, |
| .end = base + SZ_8K - 1, |
| .flags = IORESOURCE_MEM, |
| } |
| }; |
| |
| return mxs_add_platform_device_dmamask(devid, -1, |
| res, ARRAY_SIZE(res), NULL, 0, |
| DMA_BIT_MASK(32)); |
| } |
| |
| static int __init mxs_add_mxs_dma(void) |
| { |
| char *apbh = "mxs-dma-apbh"; |
| char *apbx = "mxs-dma-apbx"; |
| |
| if (cpu_is_mx23()) { |
| mxs_add_dma(apbh, MX23_APBH_DMA_BASE_ADDR); |
| mxs_add_dma(apbx, MX23_APBX_DMA_BASE_ADDR); |
| } |
| |
| if (cpu_is_mx28()) { |
| mxs_add_dma(apbh, MX28_APBH_DMA_BASE_ADDR); |
| mxs_add_dma(apbx, MX28_APBX_DMA_BASE_ADDR); |
| } |
| |
| return 0; |
| } |
| arch_initcall(mxs_add_mxs_dma); |