70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
|
|
* arch/arm/mach-ns9xxx/plat-serial8250.c
|
|
*
|
|
* Copyright (C) 2008 by Digi International Inc.
|
|
* All rights reserved.
|
|
*
|
|
* 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 <linux/platform_device.h>
|
|
#include <linux/serial_8250.h>
|
|
|
|
#include <asm/arch-ns9xxx/regs-board-a9m9750dev.h>
|
|
#include <asm/arch-ns9xxx/board.h>
|
|
|
|
#define DRIVER_NAME "serial8250"
|
|
|
|
static int __init ns9xxx_plat_serial8250_init(void)
|
|
{
|
|
struct plat_serial8250_port *pdata;
|
|
struct platform_device *pdev;
|
|
int ret = -ENOMEM;
|
|
int i;
|
|
|
|
if (!board_is_a9m9750dev())
|
|
return -ENODEV;
|
|
|
|
pdev = platform_device_alloc(DRIVER_NAME, 0);
|
|
if (!pdev)
|
|
goto err;
|
|
|
|
pdata = kzalloc(5 * sizeof(*pdata), GFP_KERNEL);
|
|
if (!pdata)
|
|
goto err;
|
|
|
|
pdev->dev.platform_data = pdata;
|
|
|
|
pdata[0].iobase = FPGA_UARTA_BASE;
|
|
pdata[1].iobase = FPGA_UARTB_BASE;
|
|
pdata[2].iobase = FPGA_UARTC_BASE;
|
|
pdata[3].iobase = FPGA_UARTD_BASE;
|
|
|
|
for (i = 0; i < 4; ++i) {
|
|
pdata[i].membase = (void __iomem *)pdata[i].iobase;
|
|
pdata[i].mapbase = pdata[i].iobase;
|
|
pdata[i].iotype = UPIO_MEM;
|
|
pdata[i].uartclk = 18432000;
|
|
pdata[i].flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
|
|
}
|
|
|
|
pdata[0].irq = IRQ_FPGA_UARTA;
|
|
pdata[1].irq = IRQ_FPGA_UARTB;
|
|
pdata[2].irq = IRQ_FPGA_UARTC;
|
|
pdata[3].irq = IRQ_FPGA_UARTD;
|
|
|
|
ret = platform_device_add(pdev);
|
|
if (ret) {
|
|
err:
|
|
platform_device_put(pdev);
|
|
|
|
printk(KERN_WARNING "Could not add %s (errno=%d)\n",
|
|
DRIVER_NAME, ret);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(ns9xxx_plat_serial8250_init);
|