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kernel/linux-rt-4.4.41/arch/arm/mach-imx/devices/platform-flexcan.c 1.62 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (C) 2010 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de>
   *
   * 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 "../hardware.h"
  #include "devices-common.h"
  
  #define imx_flexcan_data_entry_single(soc, _id, _hwid, _size)		\
  	{								\
  		.id = _id,						\
  		.iobase = soc ## _CAN ## _hwid ## _BASE_ADDR,		\
  		.iosize = _size,					\
  		.irq = soc ## _INT_CAN ## _hwid,			\
  	}
  
  #define imx_flexcan_data_entry(soc, _id, _hwid, _size)			\
  	[_id] = imx_flexcan_data_entry_single(soc, _id, _hwid, _size)
  
  #ifdef CONFIG_SOC_IMX25
  const struct imx_flexcan_data imx25_flexcan_data[] __initconst = {
  #define imx25_flexcan_data_entry(_id, _hwid)				\
  	imx_flexcan_data_entry(MX25, _id, _hwid, SZ_16K)
  	imx25_flexcan_data_entry(0, 1),
  	imx25_flexcan_data_entry(1, 2),
  };
  #endif /* ifdef CONFIG_SOC_IMX25 */
  
  #ifdef CONFIG_SOC_IMX35
  const struct imx_flexcan_data imx35_flexcan_data[] __initconst = {
  #define imx35_flexcan_data_entry(_id, _hwid)				\
  	imx_flexcan_data_entry(MX35, _id, _hwid, SZ_16K)
  	imx35_flexcan_data_entry(0, 1),
  	imx35_flexcan_data_entry(1, 2),
  };
  #endif /* ifdef CONFIG_SOC_IMX35 */
  
  struct platform_device *__init imx_add_flexcan(
  		const struct imx_flexcan_data *data)
  {
  	struct resource res[] = {
  		{
  			.start = data->iobase,
  			.end = data->iobase + data->iosize - 1,
  			.flags = IORESOURCE_MEM,
  		}, {
  			.start = data->irq,
  			.end = data->irq,
  			.flags = IORESOURCE_IRQ,
  		},
  	};
  
  	return imx_add_platform_device("flexcan", data->id,
  			res, ARRAY_SIZE(res), NULL, 0);
  }