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

   1 /*
   2  * Copyright (C) 2009-2010 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 <asm/sizes.h>
  10
  11 #include "../hardware.h"
  12 #include "devices-common.h"
  13
  14 #define imx_mxc_nand_data_entry_single(soc, _devid, _size)              \
  15         {                                                               \
  16                 .devid = _devid,                                        \
  17                 .iobase = soc ## _NFC_BASE_ADDR,                        \
  18                 .iosize = _size,                                        \
  19                 .irq = soc ## _INT_NFC                                  \
  20         }
  21
  22 #define imx_mxc_nandv3_data_entry_single(soc, _devid, _size)            \
  23         {                                                               \
  24                 .devid = _devid,                                        \
  25                 .id = -1,                                               \
  26                 .iobase = soc ## _NFC_BASE_ADDR,                        \
  27                 .iosize = _size,                                        \
  28                 .axibase = soc ## _NFC_AXI_BASE_ADDR,                   \
  29                 .irq = soc ## _INT_NFC                                  \
  30         }
  31
  32 #ifdef CONFIG_SOC_IMX21
  33 const struct imx_mxc_nand_data imx21_mxc_nand_data __initconst =
  34         imx_mxc_nand_data_entry_single(MX21, "imx21-nand", SZ_4K);
  35 #endif /* ifdef CONFIG_SOC_IMX21 */
  36
  37 #ifdef CONFIG_SOC_IMX27
  38 const struct imx_mxc_nand_data imx27_mxc_nand_data __initconst =
  39         imx_mxc_nand_data_entry_single(MX27, "imx27-nand", SZ_4K);
  40 #endif /* ifdef CONFIG_SOC_IMX27 */
  41
  42 #ifdef CONFIG_SOC_IMX31
  43 const struct imx_mxc_nand_data imx31_mxc_nand_data __initconst =
  44         imx_mxc_nand_data_entry_single(MX31, "imx27-nand", SZ_4K);
  45 #endif
  46
  47 #ifdef CONFIG_SOC_IMX35
  48 const struct imx_mxc_nand_data imx35_mxc_nand_data __initconst =
  49         imx_mxc_nand_data_entry_single(MX35, "imx25-nand", SZ_8K);
  50 #endif
  51
  52 struct platform_device *__init imx_add_mxc_nand(
  53                 const struct imx_mxc_nand_data *data,
  54                 const struct mxc_nand_platform_data *pdata)
  55 {
  56         /* AXI has to come first, that's how the mxc_nand driver expect it */
  57         struct resource res[] = {
  58                 {
  59                         .start = data->iobase,
  60                         .end = data->iobase + data->iosize - 1,
  61                         .flags = IORESOURCE_MEM,
  62                 }, {
  63                         .start = data->irq,
  64                         .end = data->irq,
  65                         .flags = IORESOURCE_IRQ,
  66                 }, {
  67                         .start = data->axibase,
  68                         .end = data->axibase + SZ_16K - 1,
  69                         .flags = IORESOURCE_MEM,
  70                 },
  71         };
  72         return imx_add_platform_device(data->devid, data->id,
  73                         res, ARRAY_SIZE(res) - !data->axibase,
  74                         pdata, sizeof(*pdata));
  75 }