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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2009-2010 Pengutronix
   4  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   5  */
   6 #include <linux/sizes.h>
   7
   8 #include "../hardware.h"
   9 #include "devices-common.h"
  10
  11 #define imx_mxc_nand_data_entry_single(soc, _devid, _size)              \
  12         {                                                               \
  13                 .devid = _devid,                                        \
  14                 .iobase = soc ## _NFC_BASE_ADDR,                        \
  15                 .iosize = _size,                                        \
  16                 .irq = soc ## _INT_NFC                                  \
  17         }
  18
  19 #define imx_mxc_nandv3_data_entry_single(soc, _devid, _size)            \
  20         {                                                               \
  21                 .devid = _devid,                                        \
  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, "imx21-nand", SZ_4K);
  32 #endif /* ifdef CONFIG_SOC_IMX21 */
  33
  34 #ifdef CONFIG_SOC_IMX27
  35 const struct imx_mxc_nand_data imx27_mxc_nand_data __initconst =
  36         imx_mxc_nand_data_entry_single(MX27, "imx27-nand", SZ_4K);
  37 #endif /* ifdef CONFIG_SOC_IMX27 */
  38
  39 #ifdef CONFIG_SOC_IMX31
  40 const struct imx_mxc_nand_data imx31_mxc_nand_data __initconst =
  41         imx_mxc_nand_data_entry_single(MX31, "imx27-nand", SZ_4K);
  42 #endif
  43
  44 #ifdef CONFIG_SOC_IMX35
  45 const struct imx_mxc_nand_data imx35_mxc_nand_data __initconst =
  46         imx_mxc_nand_data_entry_single(MX35, "imx25-nand", SZ_8K);
  47 #endif
  48
  49 struct platform_device *__init imx_add_mxc_nand(
  50                 const struct imx_mxc_nand_data *data,
  51                 const struct mxc_nand_platform_data *pdata)
  52 {
  53         /* AXI has to come first, that's how the mxc_nand driver expect it */
  54         struct resource res[] = {
  55                 {
  56                         .start = data->iobase,
  57                         .end = data->iobase + data->iosize - 1,
  58                         .flags = IORESOURCE_MEM,
  59                 }, {
  60                         .start = data->irq,
  61                         .end = data->irq,
  62                         .flags = IORESOURCE_IRQ,
  63                 }, {
  64                         .start = data->axibase,
  65                         .end = data->axibase + SZ_16K - 1,
  66                         .flags = IORESOURCE_MEM,
  67                 },
  68         };
  69         return imx_add_platform_device(data->devid, data->id,
  70                         res, ARRAY_SIZE(res) - !data->axibase,
  71                         pdata, sizeof(*pdata));
  72 }