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