95 lines
2.4 KiB
C
95 lines
2.4 KiB
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,
|
|
},
|
|
};
|
|
|
|
#ifdef CONFIG_BCM47XX_SSB
|
|
static int __init uart8250_init_ssb(void)
|
|
{
|
|
int i;
|
|
struct ssb_mipscore *mcore = &(bcm47xx_bus.ssb.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);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_BCM47XX_BCMA
|
|
static int __init uart8250_init_bcma(void)
|
|
{
|
|
int i;
|
|
struct bcma_drv_cc *cc = &(bcm47xx_bus.bcma.bus.drv_cc);
|
|
|
|
memset(&uart8250_data, 0, sizeof(uart8250_data));
|
|
|
|
for (i = 0; i < cc->nr_serial_ports; i++) {
|
|
struct plat_serial8250_port *p = &(uart8250_data[i]);
|
|
struct bcma_serial_port *bcma_port;
|
|
bcma_port = &(cc->serial_ports[i]);
|
|
|
|
p->mapbase = (unsigned int) bcma_port->regs;
|
|
p->membase = (void *) bcma_port->regs;
|
|
p->irq = bcma_port->irq;
|
|
p->uartclk = bcma_port->baud_base;
|
|
p->regshift = bcma_port->reg_shift;
|
|
p->iotype = UPIO_MEM;
|
|
p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
|
|
}
|
|
return platform_device_register(&uart8250_device);
|
|
}
|
|
#endif
|
|
|
|
static int __init uart8250_init(void)
|
|
{
|
|
switch (bcm47xx_bus_type) {
|
|
#ifdef CONFIG_BCM47XX_SSB
|
|
case BCM47XX_BUS_TYPE_SSB:
|
|
return uart8250_init_ssb();
|
|
#endif
|
|
#ifdef CONFIG_BCM47XX_BCMA
|
|
case BCM47XX_BUS_TYPE_BCMA:
|
|
return uart8250_init_bcma();
|
|
#endif
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
module_init(uart8250_init);
|
|
|
|
MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("8250 UART probe driver for the BCM47XX platforms");
|