1 /* 1 /*
2 * BRIEF MODULE DESCRIPTION 2 * BRIEF MODULE DESCRIPTION
3 * Serial port initialisation. 3 * Serial port initialisation.
4 * 4 *
5 * Copyright 2004 IDT Inc. (rischelp@idt.com) 5 * Copyright 2004 IDT Inc. (rischelp@idt.com)
6 * 6 *
7 * This program is free software; you can red 7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Publ 8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version. 10 * option) any later version.
11 * 11 *
12 * THIS SOFTWARE IS PROVIDED ``AS IS'' A 12 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
13 * WARRANTIES, INCLUDING, BUT NOT LIMITED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS FOR A PARTICUL 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
15 * NO EVENT SHALL THE AUTHOR BE LIABL 15 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
16 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQU 16 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
17 * NOT LIMITED TO, PROCUREMENT OF SUBSTITU 17 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
18 * USE, DATA, OR PROFITS; OR BUSINESS INTER 18 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
19 * ANY THEORY OF LIABILITY, WHETHER IN CONTR 19 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISIN 20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
21 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSS 21 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22 * 22 *
23 * You should have received a copy of the GN 23 * You should have received a copy of the GNU General Public License along
24 * with this program; if not, write to the F 24 * with this program; if not, write to the Free Software Foundation, Inc.,
25 * 675 Mass Ave, Cambridge, MA 02139, USA. 25 * 675 Mass Ave, Cambridge, MA 02139, USA.
26 */ 26 */
27 27
28 #include <linux/init.h> 28 #include <linux/init.h>
29 #include <linux/tty.h> 29 #include <linux/tty.h>
30 #include <linux/serial_core.h> 30 #include <linux/serial_core.h>
31 #include <linux/serial_8250.h> 31 #include <linux/serial_8250.h>
32 #include <linux/irq.h> 32 #include <linux/irq.h>
33 33
34 #include <asm/serial.h> 34 #include <asm/serial.h>
35 #include <asm/mach-rc32434/rb.h> 35 #include <asm/mach-rc32434/rb.h>
36 36
37 extern unsigned int idt_cpu_freq; 37 extern unsigned int idt_cpu_freq;
38 38
39 static struct uart_port rb532_uart = { 39 static struct uart_port rb532_uart = {
40 .flags = UPF_BOOT_AUTOCONF, 40 .flags = UPF_BOOT_AUTOCONF,
41 .line = 0, 41 .line = 0,
42 .irq = UART0_IRQ, 42 .irq = UART0_IRQ,
43 .iotype = UPIO_MEM, 43 .iotype = UPIO_MEM,
44 .membase = (char *)KSEG1ADDR(REGBASE + 44 .membase = (char *)KSEG1ADDR(REGBASE + UART0BASE),
45 .regshift = 2 45 .regshift = 2
46 }; 46 };
47 47
48 int __init setup_serial_port(void) 48 int __init setup_serial_port(void)
49 { 49 {
50 rb532_uart.uartclk = idt_cpu_freq; 50 rb532_uart.uartclk = idt_cpu_freq;
51 51
52 return early_serial_setup(&rb532_uart) 52 return early_serial_setup(&rb532_uart);
53 } 53 }
54 arch_initcall(setup_serial_port); 54 arch_initcall(setup_serial_port);
55 55
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