LXR linux/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
  31const 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
  42const 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
  55const 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
  67const 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
  76struct 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}
  96