| /* | |
| * 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) 2001, 2002 Ralf Baechle | |
| */ | |
| #include <asm/page.h> | |
| #include <asm/sn/addrs.h> | |
| #include <asm/sn/sn0/hub.h> | |
| #include <asm/sn/klconfig.h> | |
| #include <asm/sn/ioc3.h> | |
| #include <asm/sn/sn_private.h> | |
| #include <linux/serial.h> | |
| #include <linux/serial_core.h> | |
| #define IOC3_CLK (22000000 / 3) | |
| #define IOC3_FLAGS (0) | |
| static inline struct ioc3_uartregs *console_uart(void) | |
| { | |
| struct ioc3 *ioc3; | |
| nasid_t nasid; | |
| nasid = (master_nasid == INVALID_NASID) ? get_nasid() : master_nasid; | |
| ioc3 = (struct ioc3 *)KL_CONFIG_CH_CONS_INFO(nasid)->memory_base; | |
| return &ioc3->sregs.uarta; | |
| } | |
| void prom_putchar(char c) | |
| { | |
| struct ioc3_uartregs *uart = console_uart(); | |
| while ((uart->iu_lsr & 0x20) == 0); | |
| uart->iu_thr = c; | |
| } |