/* * 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 #include #include #include #include #include #include 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 *mx23_apbh = "imx23-dma-apbh"; char *mx23_apbx = "imx23-dma-apbx"; char *mx28_apbh = "imx28-dma-apbh"; char *mx28_apbx = "imx28-dma-apbx"; if (cpu_is_mx23()) { mxs_add_dma(mx23_apbh, MX23_APBH_DMA_BASE_ADDR); mxs_add_dma(mx23_apbx, MX23_APBX_DMA_BASE_ADDR); } if (cpu_is_mx28()) { mxs_add_dma(mx28_apbh, MX28_APBH_DMA_BASE_ADDR); mxs_add_dma(mx28_apbx, MX28_APBX_DMA_BASE_ADDR); } return 0; } arch_initcall(mxs_add_mxs_dma);