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_IMX1
  31 const struct imx_imx_uart_3irq_data imx1_imx_uart_data[] __initconst = {
  32 #define imx1_imx_uart_data_entry(_id, _hwid)                            \
  33         imx_imx_uart_3irq_data_entry(MX1, _id, _hwid, 0xd0)
  34         imx1_imx_uart_data_entry(0, 1),
  35         imx1_imx_uart_data_entry(1, 2),
  36 };
  37 #endif /* ifdef CONFIG_SOC_IMX1 */
  38
  39 #ifdef CONFIG_SOC_IMX21
  40 const struct imx_imx_uart_1irq_data imx21_imx_uart_data[] __initconst = {
  41 #define imx21_imx_uart_data_entry(_id, _hwid)                           \
  42         imx_imx_uart_1irq_data_entry(MX21, _id, _hwid, SZ_4K)
  43         imx21_imx_uart_data_entry(0, 1),
  44         imx21_imx_uart_data_entry(1, 2),
  45         imx21_imx_uart_data_entry(2, 3),
  46         imx21_imx_uart_data_entry(3, 4),
  47 };
  48 #endif
  49
  50 #ifdef CONFIG_SOC_IMX27
  51 const struct imx_imx_uart_1irq_data imx27_imx_uart_data[] __initconst = {
  52 #define imx27_imx_uart_data_entry(_id, _hwid)                           \
  53         imx_imx_uart_1irq_data_entry(MX27, _id, _hwid, SZ_4K)
  54         imx27_imx_uart_data_entry(0, 1),
  55         imx27_imx_uart_data_entry(1, 2),
  56         imx27_imx_uart_data_entry(2, 3),
  57         imx27_imx_uart_data_entry(3, 4),
  58         imx27_imx_uart_data_entry(4, 5),
  59         imx27_imx_uart_data_entry(5, 6),
  60 };
  61 #endif /* ifdef CONFIG_SOC_IMX27 */
  62
  63 #ifdef CONFIG_SOC_IMX31
  64 const struct imx_imx_uart_1irq_data imx31_imx_uart_data[] __initconst = {
  65 #define imx31_imx_uart_data_entry(_id, _hwid)                           \
  66         imx_imx_uart_1irq_data_entry(MX31, _id, _hwid, SZ_4K)
  67         imx31_imx_uart_data_entry(0, 1),
  68         imx31_imx_uart_data_entry(1, 2),
  69         imx31_imx_uart_data_entry(2, 3),
  70         imx31_imx_uart_data_entry(3, 4),
  71         imx31_imx_uart_data_entry(4, 5),
  72 };
  73 #endif /* ifdef CONFIG_SOC_IMX31 */
  74
  75 #ifdef CONFIG_SOC_IMX35
  76 const struct imx_imx_uart_1irq_data imx35_imx_uart_data[] __initconst = {
  77 #define imx35_imx_uart_data_entry(_id, _hwid)                           \
  78         imx_imx_uart_1irq_data_entry(MX35, _id, _hwid, SZ_16K)
  79         imx35_imx_uart_data_entry(0, 1),
  80         imx35_imx_uart_data_entry(1, 2),
  81         imx35_imx_uart_data_entry(2, 3),
  82 };
  83 #endif /* ifdef CONFIG_SOC_IMX35 */
  84
  85 struct platform_device *__init imx_add_imx_uart_3irq(
  86                 const struct imx_imx_uart_3irq_data *data,
  87                 const struct imxuart_platform_data *pdata)
  88 {
  89         struct resource res[] = {
  90                 {
  91                         .start = data->iobase,
  92                         .end = data->iobase + data->iosize - 1,
  93                         .flags = IORESOURCE_MEM,
  94                 }, {
  95                         .start = data->irqrx,
  96                         .end = data->irqrx,
  97                         .flags = IORESOURCE_IRQ,
  98                 }, {
  99                         .start = data->irqtx,
 100                         .end = data->irqtx,
 101                         .flags = IORESOURCE_IRQ,
 102                 }, {
 103                         .start = data->irqrts,
 104                         .end = data->irqrx,
 105                         .flags = IORESOURCE_IRQ,
 106                 },
 107         };
 108
 109         return imx_add_platform_device("imx1-uart", data->id, res,
 110                         ARRAY_SIZE(res), pdata, sizeof(*pdata));
 111 }
 112
 113 struct platform_device *__init imx_add_imx_uart_1irq(
 114                 const struct imx_imx_uart_1irq_data *data,
 115                 const struct imxuart_platform_data *pdata)
 116 {
 117         struct resource res[] = {
 118                 {
 119                         .start = data->iobase,
 120                         .end = data->iobase + data->iosize - 1,
 121                         .flags = IORESOURCE_MEM,
 122                 }, {
 123                         .start = data->irq,
 124                         .end = data->irq,
 125                         .flags = IORESOURCE_IRQ,
 126                 },
 127         };
 128
 129         /* i.mx21 type uart runs on all i.mx except i.mx1 */
 130         return imx_add_platform_device("imx21-uart", data->id,
 131                         res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
 132 }