1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> 7 */ 8 9 #include <linux/module.h> 10 #include <linux/init.h> 11 #include <linux/serial.h> 12 #include <linux/serial_8250.h> 13 #include <linux/ssb/ssb.h> 14 #include <bcm47xx.h> 15 16 static struct plat_serial8250_port uart8250_data[5]; 17 18 static struct platform_device uart8250_device = { 19 .name = "serial8250", 20 .id = PLAT8250_DEV_PLATFORM, 21 .dev = { 22 .platform_data = uart8250_data, 23 }, 24 }; 25 26 static int __init uart8250_init(void) 27 { 28 int i; 29 struct ssb_mipscore *mcore = &(ssb_bcm47xx.mipscore); 30 31 memset(&uart8250_data, 0, sizeof(uart8250_data)); 32 33 for (i = 0; i < mcore->nr_serial_ports; i++) { 34 struct plat_serial8250_port *p = &(uart8250_data[i]); 35 struct ssb_serial_port *ssb_port = &(mcore->serial_ports[i]); 36 37 p->mapbase = (unsigned int) ssb_port->regs; 38 p->membase = (void *) ssb_port->regs; 39 p->irq = ssb_port->irq + 2; 40 p->uartclk = ssb_port->baud_base; 41 p->regshift = ssb_port->reg_shift; 42 p->iotype = UPIO_MEM; 43 p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; 44 } 45 return platform_device_register(&uart8250_device); 46 } 47 48 module_init(uart8250_init); 49 50 MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>"); 51 MODULE_LICENSE("GPL"); 52 MODULE_DESCRIPTION("8250 UART probe driver for the BCM47XX platforms"); 53