arch/arm/mach-imx/devices/platform-fec.c

   1 /*
   2  * Copyright (C) 2010 Pengutronix
   3  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License version 2 as published by the
   7  * Free Software Foundation.
   8  */
   9 #include <linux/dma-mapping.h>
  10 #include <asm/sizes.h>
  11
  12 #include "../hardware.h"
  13 #include "devices-common.h"
  14
  15 #define imx_fec_data_entry_single(soc, _devid)                          \
  16         {                                                               \
  17                 .devid = _devid,                                        \
  18                 .iobase = soc ## _FEC_BASE_ADDR,                        \
  19                 .irq = soc ## _INT_FEC,                                 \
  20         }
  21
  22 #ifdef CONFIG_SOC_IMX27
  23 const struct imx_fec_data imx27_fec_data __initconst =
  24         imx_fec_data_entry_single(MX27, "imx27-fec");
  25 #endif /* ifdef CONFIG_SOC_IMX27 */
  26
  27 #ifdef CONFIG_SOC_IMX35
  28 /* i.mx35 has the i.mx27 type fec */
  29 const struct imx_fec_data imx35_fec_data __initconst =
  30         imx_fec_data_entry_single(MX35, "imx27-fec");
  31 #endif
  32
  33 struct platform_device *__init imx_add_fec(
  34                 const struct imx_fec_data *data,
  35                 const struct fec_platform_data *pdata)
  36 {
  37         struct resource res[] = {
  38                 {
  39                         .start = data->iobase,
  40                         .end = data->iobase + SZ_4K - 1,
  41                         .flags = IORESOURCE_MEM,
  42                 }, {
  43                         .start = data->irq,
  44                         .end = data->irq,
  45                         .flags = IORESOURCE_IRQ,
  46                 },
  47         };
  48
  49         return imx_add_platform_device_dmamask(data->devid, 0,
  50                         res, ARRAY_SIZE(res),
  51                         pdata, sizeof(*pdata), DMA_BIT_MASK(32));
  52 }