arch/arm/plat-mxc/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 #include <mach/hardware.h>
  11 #include <mach/devices-common.h>
  12
  13 #define imx_mxc_nand_data_entry_single(soc, _size)                      \
  14         {                                                               \
  15                 .iobase = soc ## _NFC_BASE_ADDR,                        \
  16                 .iosize = _size,                                        \
  17                 .irq = soc ## _INT_NFC                                  \
  18         }
  19
  20 #define imx_mxc_nandv3_data_entry_single(soc, _size)                    \
  21         {                                                               \
  22                 .id = -1,                                               \
  23                 .iobase = soc ## _NFC_BASE_ADDR,                        \
  24                 .iosize = _size,                                        \
  25                 .axibase = soc ## _NFC_AXI_BASE_ADDR,                   \
  26                 .irq = soc ## _INT_NFC                                  \
  27         }
  28
  29 #ifdef CONFIG_SOC_IMX21
  30 const struct imx_mxc_nand_data imx21_mxc_nand_data __initconst =
  31         imx_mxc_nand_data_entry_single(MX21, SZ_4K);
  32 #endif /* ifdef CONFIG_SOC_IMX21 */
  33
  34 #ifdef CONFIG_SOC_IMX25
  35 const struct imx_mxc_nand_data imx25_mxc_nand_data __initconst =
  36         imx_mxc_nand_data_entry_single(MX25, SZ_8K);
  37 #endif /* ifdef CONFIG_SOC_IMX25 */
  38
  39 #ifdef CONFIG_SOC_IMX27
  40 const struct imx_mxc_nand_data imx27_mxc_nand_data __initconst =
  41         imx_mxc_nand_data_entry_single(MX27, SZ_4K);
  42 #endif /* ifdef CONFIG_SOC_IMX27 */
  43
  44 #ifdef CONFIG_SOC_IMX31
  45 const struct imx_mxc_nand_data imx31_mxc_nand_data __initconst =
  46         imx_mxc_nand_data_entry_single(MX31, SZ_4K);
  47 #endif
  48
  49 #ifdef CONFIG_SOC_IMX35
  50 const struct imx_mxc_nand_data imx35_mxc_nand_data __initconst =
  51         imx_mxc_nand_data_entry_single(MX35, SZ_8K);
  52 #endif
  53
  54 #ifdef CONFIG_ARCH_MX51
  55 const struct imx_mxc_nand_data imx51_mxc_nand_data __initconst =
  56         imx_mxc_nandv3_data_entry_single(MX51, SZ_16K);
  57 #endif
  58
  59 struct platform_device *__init imx_add_mxc_nand(
  60                 const struct imx_mxc_nand_data *data,
  61                 const struct mxc_nand_platform_data *pdata)
  62 {
  63         /* AXI has to come first, that's how the mxc_nand driver expect it */
  64         struct resource res[] = {
  65                 {
  66                         .start = data->axibase,
  67                         .end = data->axibase + SZ_16K - 1,
  68                         .flags = IORESOURCE_MEM,
  69                 }, {
  70                         .start = data->iobase,
  71                         .end = data->iobase + data->iosize - 1,
  72                         .flags = IORESOURCE_MEM,
  73                 }, {
  74                         .start = data->irq,
  75                         .end = data->irq,
  76                         .flags = IORESOURCE_IRQ,
  77                 },
  78         };
  79         return imx_add_platform_device("mxc_nand", data->id,
  80                         res + !data->axibase,
  81                         ARRAY_SIZE(res) - !data->axibase,
  82                         pdata, sizeof(*pdata));
  83 }