Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * 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 <linux/init.h>

#include <asm/page.h>

#include <asm/semaphore.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 __init prom_putchar(char c)

{

        struct ioc3_uartregs *uart = console_uart();

        while ((uart->iu_lsr & 0x20) == 0);

        uart->iu_thr = c;

}