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
6 * Copyright (C) 2001, 2002 Ralf Baechle
8 #include <linux/init.h>
11 #include <asm/semaphore.h>
12 #include <asm/sn/addrs.h>
13 #include <asm/sn/sn0/hub.h>
14 #include <asm/sn/klconfig.h>
15 #include <asm/sn/ioc3.h>
16 #include <asm/sn/sn_private.h>
18 #include <linux/serial.h>
19 #include <linux/serial_core.h>
21 #define IOC3_CLK (22000000 / 3)
22 #define IOC3_FLAGS (0)
24 static inline struct ioc3_uartregs
*console_uart(void)
29 nasid
= (master_nasid
== INVALID_NASID
) ? get_nasid() : master_nasid
;
30 ioc3
= (struct ioc3
*)KL_CONFIG_CH_CONS_INFO(nasid
)->memory_base
;
32 return &ioc3
->sregs
.uarta
;
35 void __init
prom_putchar(char c
)
37 struct ioc3_uartregs
*uart
= console_uart();
39 while ((uart
->iu_lsr
& 0x20) == 0);
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