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Viewing changes to arch/mips/bcm47xx/serial.c

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/mips/bcm47xx/serial.c
 
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/*
 
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 * This file is subject to the terms and conditions of the GNU General Public
 
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 * License.  See the file "COPYING" in the main directory of this archive
 
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 * for more details.
 
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 *
 
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 * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
 
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 */
 
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#include <linux/module.h>
 
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#include <linux/init.h>
 
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#include <linux/serial.h>
 
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#include <linux/serial_8250.h>
 
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#include <linux/ssb/ssb.h>
 
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#include <bcm47xx.h>
 
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static struct plat_serial8250_port uart8250_data[5];
 
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static struct platform_device uart8250_device = {
 
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        .name                   = "serial8250",
 
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        .id                     = PLAT8250_DEV_PLATFORM,
 
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        .dev                    = {
 
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                .platform_data  = uart8250_data,
 
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        },
 
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};
 
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#ifdef CONFIG_BCM47XX_SSB
 
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static int __init uart8250_init_ssb(void)
 
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{
 
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        int i;
 
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        struct ssb_mipscore *mcore = &(bcm47xx_bus.ssb.mipscore);
 
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        memset(&uart8250_data, 0,  sizeof(uart8250_data));
 
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        for (i = 0; i < mcore->nr_serial_ports; i++) {
 
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                struct plat_serial8250_port *p = &(uart8250_data[i]);
 
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                struct ssb_serial_port *ssb_port = &(mcore->serial_ports[i]);
 
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                p->mapbase = (unsigned int) ssb_port->regs;
 
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                p->membase = (void *) ssb_port->regs;
 
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                p->irq = ssb_port->irq + 2;
 
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                p->uartclk = ssb_port->baud_base;
 
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                p->regshift = ssb_port->reg_shift;
 
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                p->iotype = UPIO_MEM;
 
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                p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
 
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        }
 
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        return platform_device_register(&uart8250_device);
 
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}
 
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#endif
 
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#ifdef CONFIG_BCM47XX_BCMA
 
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static int __init uart8250_init_bcma(void)
 
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{
 
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        int i;
 
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        struct bcma_drv_cc *cc = &(bcm47xx_bus.bcma.bus.drv_cc);
 
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        memset(&uart8250_data, 0,  sizeof(uart8250_data));
 
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        for (i = 0; i < cc->nr_serial_ports; i++) {
 
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                struct plat_serial8250_port *p = &(uart8250_data[i]);
 
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                struct bcma_serial_port *bcma_port;
 
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                bcma_port = &(cc->serial_ports[i]);
 
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                p->mapbase = (unsigned int) bcma_port->regs;
 
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                p->membase = (void *) bcma_port->regs;
 
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                p->irq = bcma_port->irq + 2;
 
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                p->uartclk = bcma_port->baud_base;
 
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                p->regshift = bcma_port->reg_shift;
 
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                p->iotype = UPIO_MEM;
 
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                p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
 
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        }
 
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        return platform_device_register(&uart8250_device);
 
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}
 
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#endif
 
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static int __init uart8250_init(void)
 
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{
 
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        switch (bcm47xx_bus_type) {
 
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#ifdef CONFIG_BCM47XX_SSB
 
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        case BCM47XX_BUS_TYPE_SSB:
 
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                return uart8250_init_ssb();
 
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#endif
 
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#ifdef CONFIG_BCM47XX_BCMA
 
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        case BCM47XX_BUS_TYPE_BCMA:
 
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                return uart8250_init_bcma();
 
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#endif
 
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        }
 
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        return -EINVAL;
 
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}
 
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module_init(uart8250_init);
 
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MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
 
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MODULE_LICENSE("GPL");
 
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MODULE_DESCRIPTION("8250 UART probe driver for the BCM47XX platforms");