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/*
* 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/setup.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 ((readb(&uart->iu_lsr) & 0x20) == 0)
;
writeb(c, &uart->iu_thr);
}
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