arch/arm/mach-imx/devices/platform-imx-uart.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 "../hardware.h"
  10 #include "devices-common.h"
  11
  12 #define imx_imx_uart_3irq_data_entry(soc, _id, _hwid, _size)            \
  13         [_id] = {                                                       \
  14                 .id = _id,                                              \
  15                 .iobase = soc ## _UART ## _hwid ## _BASE_ADDR,          \
  16                 .iosize = _size,                                        \
  17                 .irqrx = soc ## _INT_UART ## _hwid ## RX,               \
  18                 .irqtx = soc ## _INT_UART ## _hwid ## TX,               \
  19                 .irqrts = soc ## _INT_UART ## _hwid ## RTS,             \
  20         }
  21
  22 #define imx_imx_uart_1irq_data_entry(soc, _id, _hwid, _size)            \
  23         [_id] = {                                                       \
  24                 .id = _id,                                              \
  25                 .iobase = soc ## _UART ## _hwid ## _BASE_ADDR,          \
  26                 .iosize = _size,                                        \
  27                 .irq = soc ## _INT_UART ## _hwid,                       \
  28         }
  29
  30 #ifdef CONFIG_SOC_IMX21
  31 const struct imx_imx_uart_1irq_data imx21_imx_uart_data[] __initconst = {
  32 #define imx21_imx_uart_data_entry(_id, _hwid)                           \
  33         imx_imx_uart_1irq_data_entry(MX21, _id, _hwid, SZ_4K)
  34         imx21_imx_uart_data_entry(0, 1),
  35         imx21_imx_uart_data_entry(1, 2),
  36         imx21_imx_uart_data_entry(2, 3),
  37         imx21_imx_uart_data_entry(3, 4),
  38 };
  39 #endif
  40
  41 #ifdef CONFIG_SOC_IMX27
  42 const struct imx_imx_uart_1irq_data imx27_imx_uart_data[] __initconst = {
  43 #define imx27_imx_uart_data_entry(_id, _hwid)                           \
  44         imx_imx_uart_1irq_data_entry(MX27, _id, _hwid, SZ_4K)
  45         imx27_imx_uart_data_entry(0, 1),
  46         imx27_imx_uart_data_entry(1, 2),
  47         imx27_imx_uart_data_entry(2, 3),
  48         imx27_imx_uart_data_entry(3, 4),
  49         imx27_imx_uart_data_entry(4, 5),
  50         imx27_imx_uart_data_entry(5, 6),
  51 };
  52 #endif /* ifdef CONFIG_SOC_IMX27 */
  53
  54 #ifdef CONFIG_SOC_IMX31
  55 const struct imx_imx_uart_1irq_data imx31_imx_uart_data[] __initconst = {
  56 #define imx31_imx_uart_data_entry(_id, _hwid)                           \
  57         imx_imx_uart_1irq_data_entry(MX31, _id, _hwid, SZ_4K)
  58         imx31_imx_uart_data_entry(0, 1),
  59         imx31_imx_uart_data_entry(1, 2),
  60         imx31_imx_uart_data_entry(2, 3),
  61         imx31_imx_uart_data_entry(3, 4),
  62         imx31_imx_uart_data_entry(4, 5),
  63 };
  64 #endif /* ifdef CONFIG_SOC_IMX31 */
  65
  66 #ifdef CONFIG_SOC_IMX35
  67 const struct imx_imx_uart_1irq_data imx35_imx_uart_data[] __initconst = {
  68 #define imx35_imx_uart_data_entry(_id, _hwid)                           \
  69         imx_imx_uart_1irq_data_entry(MX35, _id, _hwid, SZ_16K)
  70         imx35_imx_uart_data_entry(0, 1),
  71         imx35_imx_uart_data_entry(1, 2),
  72         imx35_imx_uart_data_entry(2, 3),
  73 };
  74 #endif /* ifdef CONFIG_SOC_IMX35 */
  75
  76 struct platform_device *__init imx_add_imx_uart_1irq(
  77                 const struct imx_imx_uart_1irq_data *data,
  78                 const struct imxuart_platform_data *pdata)
  79 {
  80         struct resource res[] = {
  81                 {
  82                         .start = data->iobase,
  83                         .end = data->iobase + data->iosize - 1,
  84                         .flags = IORESOURCE_MEM,
  85                 }, {
  86                         .start = data->irq,
  87                         .end = data->irq,
  88                         .flags = IORESOURCE_IRQ,
  89                 },
  90         };
  91
  92         /* i.mx21 type uart runs on all i.mx except i.mx1 */
  93         return imx_add_platform_device("imx21-uart", data->id,
  94                         res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
  95 }