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[MIPS] Use platform_device for Cobalt UART
Signed-off-by: Yoichi Yuasa <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
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/* | ||
* Registration of Cobalt UART platform device. | ||
* | ||
* Copyright (C) 2007 Yoichi Yuasa <[email protected]> | ||
* | ||
* This program is free software; you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation; either version 2 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* This program is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
*/ | ||
#include <linux/errno.h> | ||
#include <linux/init.h> | ||
#include <linux/ioport.h> | ||
#include <linux/platform_device.h> | ||
#include <linux/serial_8250.h> | ||
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#include <cobalt.h> | ||
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static struct resource cobalt_uart_resource[] __initdata = { | ||
{ | ||
.start = 0x1c800000, | ||
.end = 0x1c800007, | ||
.flags = IORESOURCE_MEM, | ||
}, | ||
{ | ||
.start = COBALT_SERIAL_IRQ, | ||
.end = COBALT_SERIAL_IRQ, | ||
.flags = IORESOURCE_IRQ, | ||
}, | ||
}; | ||
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static struct plat_serial8250_port cobalt_serial8250_port[] = { | ||
{ | ||
.irq = COBALT_SERIAL_IRQ, | ||
.uartclk = 18432000, | ||
.iotype = UPIO_MEM, | ||
.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | ||
.mapbase = 0x1c800000, | ||
}, | ||
{}, | ||
}; | ||
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static __init int cobalt_uart_add(void) | ||
{ | ||
struct platform_device *pdev; | ||
int retval; | ||
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/* | ||
* Cobalt Qube1 and RAQ1 have no UART. | ||
*/ | ||
if (cobalt_board_id <= COBALT_BRD_ID_RAQ1) | ||
return 0; | ||
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pdev = platform_device_alloc("serial8250", -1); | ||
if (!pdev) | ||
return -ENOMEM; | ||
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pdev->id = PLAT8250_DEV_PLATFORM; | ||
pdev->dev.platform_data = cobalt_serial8250_port; | ||
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retval = platform_device_add_resources(pdev, cobalt_uart_resource, ARRAY_SIZE(cobalt_uart_resource)); | ||
if (retval) | ||
goto err_free_device; | ||
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retval = platform_device_add(pdev); | ||
if (retval) | ||
goto err_free_device; | ||
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return 0; | ||
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err_free_device: | ||
platform_device_put(pdev); | ||
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return retval; | ||
} | ||
device_initcall(cobalt_uart_add); |
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