You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
3.0 KiB
95 lines
3.0 KiB
18 years ago
|
/*
|
||
|
* Registration of Lasat UART platform device.
|
||
|
*
|
||
|
* Copyright (C) 2007 Brian Murphy <brian@murphy.dk>
|
||
|
*
|
||
|
* 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 St, 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>
|
||
|
|
||
|
#include <asm/bootinfo.h>
|
||
|
#include <asm/lasat/lasat.h>
|
||
|
#include <asm/lasat/serial.h>
|
||
|
|
||
|
static struct resource lasat_serial_res[2] __initdata;
|
||
|
|
||
|
static struct plat_serial8250_port lasat_serial8250_port[] = {
|
||
|
{
|
||
|
.iotype = UPIO_MEM,
|
||
|
.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF |
|
||
|
UPF_SKIP_TEST,
|
||
|
},
|
||
|
{},
|
||
|
};
|
||
|
|
||
|
static __init int lasat_uart_add(void)
|
||
|
{
|
||
|
struct platform_device *pdev;
|
||
|
int retval;
|
||
|
|
||
|
pdev = platform_device_alloc("serial8250", -1);
|
||
|
if (!pdev)
|
||
|
return -ENOMEM;
|
||
|
|
||
|
if (mips_machtype == MACH_LASAT_100) {
|
||
|
lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_100);
|
||
|
lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_100 * 8 - 1;
|
||
|
lasat_serial_res[0].flags = IORESOURCE_MEM;
|
||
|
lasat_serial_res[1].start = LASATINT_UART_100;
|
||
|
lasat_serial_res[1].end = LASATINT_UART_100;
|
||
|
lasat_serial_res[1].flags = IORESOURCE_IRQ;
|
||
|
|
||
|
lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_100;
|
||
|
lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_100 * 16;
|
||
|
lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_100;
|
||
|
lasat_serial8250_port[0].irq = LASATINT_UART_100;
|
||
|
} else {
|
||
|
lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_200);
|
||
|
lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_200 * 8 - 1;
|
||
|
lasat_serial_res[0].flags = IORESOURCE_MEM;
|
||
|
lasat_serial_res[1].start = LASATINT_UART_200;
|
||
|
lasat_serial_res[1].end = LASATINT_UART_200;
|
||
|
lasat_serial_res[1].flags = IORESOURCE_IRQ;
|
||
|
|
||
|
lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_200;
|
||
|
lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_200 * 16;
|
||
|
lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_200;
|
||
|
lasat_serial8250_port[0].irq = LASATINT_UART_200;
|
||
|
}
|
||
|
|
||
|
pdev->id = PLAT8250_DEV_PLATFORM;
|
||
|
pdev->dev.platform_data = lasat_serial8250_port;
|
||
|
|
||
|
retval = platform_device_add_resources(pdev, lasat_serial_res, ARRAY_SIZE(lasat_serial_res));
|
||
|
if (retval)
|
||
|
goto err_free_device;
|
||
|
|
||
|
retval = platform_device_add(pdev);
|
||
|
if (retval)
|
||
|
goto err_free_device;
|
||
|
|
||
|
return 0;
|
||
|
|
||
|
err_free_device:
|
||
|
platform_device_put(pdev);
|
||
|
|
||
|
return retval;
|
||
|
}
|
||
|
device_initcall(lasat_uart_add);
|