OpenCloudOS-Kernel/arch/arm/mach-imx/devices/platform-imx-uart.c

133 lines
3.8 KiB
C

/*
* Copyright (C) 2009-2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#include "../hardware.h"
#include "devices-common.h"
#define imx_imx_uart_3irq_data_entry(soc, _id, _hwid, _size) \
[_id] = { \
.id = _id, \
.iobase = soc ## _UART ## _hwid ## _BASE_ADDR, \
.iosize = _size, \
.irqrx = soc ## _INT_UART ## _hwid ## RX, \
.irqtx = soc ## _INT_UART ## _hwid ## TX, \
.irqrts = soc ## _INT_UART ## _hwid ## RTS, \
}
#define imx_imx_uart_1irq_data_entry(soc, _id, _hwid, _size) \
[_id] = { \
.id = _id, \
.iobase = soc ## _UART ## _hwid ## _BASE_ADDR, \
.iosize = _size, \
.irq = soc ## _INT_UART ## _hwid, \
}
#ifdef CONFIG_SOC_IMX1
const struct imx_imx_uart_3irq_data imx1_imx_uart_data[] __initconst = {
#define imx1_imx_uart_data_entry(_id, _hwid) \
imx_imx_uart_3irq_data_entry(MX1, _id, _hwid, 0xd0)
imx1_imx_uart_data_entry(0, 1),
imx1_imx_uart_data_entry(1, 2),
};
#endif /* ifdef CONFIG_SOC_IMX1 */
#ifdef CONFIG_SOC_IMX21
const struct imx_imx_uart_1irq_data imx21_imx_uart_data[] __initconst = {
#define imx21_imx_uart_data_entry(_id, _hwid) \
imx_imx_uart_1irq_data_entry(MX21, _id, _hwid, SZ_4K)
imx21_imx_uart_data_entry(0, 1),
imx21_imx_uart_data_entry(1, 2),
imx21_imx_uart_data_entry(2, 3),
imx21_imx_uart_data_entry(3, 4),
};
#endif
#ifdef CONFIG_SOC_IMX27
const struct imx_imx_uart_1irq_data imx27_imx_uart_data[] __initconst = {
#define imx27_imx_uart_data_entry(_id, _hwid) \
imx_imx_uart_1irq_data_entry(MX27, _id, _hwid, SZ_4K)
imx27_imx_uart_data_entry(0, 1),
imx27_imx_uart_data_entry(1, 2),
imx27_imx_uart_data_entry(2, 3),
imx27_imx_uart_data_entry(3, 4),
imx27_imx_uart_data_entry(4, 5),
imx27_imx_uart_data_entry(5, 6),
};
#endif /* ifdef CONFIG_SOC_IMX27 */
#ifdef CONFIG_SOC_IMX31
const struct imx_imx_uart_1irq_data imx31_imx_uart_data[] __initconst = {
#define imx31_imx_uart_data_entry(_id, _hwid) \
imx_imx_uart_1irq_data_entry(MX31, _id, _hwid, SZ_4K)
imx31_imx_uart_data_entry(0, 1),
imx31_imx_uart_data_entry(1, 2),
imx31_imx_uart_data_entry(2, 3),
imx31_imx_uart_data_entry(3, 4),
imx31_imx_uart_data_entry(4, 5),
};
#endif /* ifdef CONFIG_SOC_IMX31 */
#ifdef CONFIG_SOC_IMX35
const struct imx_imx_uart_1irq_data imx35_imx_uart_data[] __initconst = {
#define imx35_imx_uart_data_entry(_id, _hwid) \
imx_imx_uart_1irq_data_entry(MX35, _id, _hwid, SZ_16K)
imx35_imx_uart_data_entry(0, 1),
imx35_imx_uart_data_entry(1, 2),
imx35_imx_uart_data_entry(2, 3),
};
#endif /* ifdef CONFIG_SOC_IMX35 */
struct platform_device *__init imx_add_imx_uart_3irq(
const struct imx_imx_uart_3irq_data *data,
const struct imxuart_platform_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + data->iosize - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irqrx,
.end = data->irqrx,
.flags = IORESOURCE_IRQ,
}, {
.start = data->irqtx,
.end = data->irqtx,
.flags = IORESOURCE_IRQ,
}, {
.start = data->irqrts,
.end = data->irqrx,
.flags = IORESOURCE_IRQ,
},
};
return imx_add_platform_device("imx1-uart", data->id, res,
ARRAY_SIZE(res), pdata, sizeof(*pdata));
}
struct platform_device *__init imx_add_imx_uart_1irq(
const struct imx_imx_uart_1irq_data *data,
const struct imxuart_platform_data *pdata)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + data->iosize - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
};
/* i.mx21 type uart runs on all i.mx except i.mx1 */
return imx_add_platform_device("imx21-uart", data->id,
res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
}