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serial.c

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/ssb/ssb.h>
#include <bcm47xx.h>

static struct plat_serial8250_port uart8250_data[5];

static struct platform_device uart8250_device = {
      .name             = "serial8250",
      .id               = PLAT8250_DEV_PLATFORM,
      .dev              = {
            .platform_data    = uart8250_data,
      },
};

static int __init uart8250_init(void)
{
      int i;
      struct ssb_mipscore *mcore = &(ssb_bcm47xx.mipscore);

      memset(&uart8250_data, 0,  sizeof(uart8250_data));

      for (i = 0; i < mcore->nr_serial_ports; i++) {
            struct plat_serial8250_port *p = &(uart8250_data[i]);
            struct ssb_serial_port *ssb_port = &(mcore->serial_ports[i]);

            p->mapbase = (unsigned int) ssb_port->regs;
            p->membase = (void *) ssb_port->regs;
            p->irq = ssb_port->irq + 2;
            p->uartclk = ssb_port->baud_base;
            p->regshift = ssb_port->reg_shift;
            p->iotype = UPIO_MEM;
            p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
      }
      return platform_device_register(&uart8250_device);
}

module_init(uart8250_init);

MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("8250 UART probe driver for the BCM47XX platforms");

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